File: | dev/pci/if_em_hw.c |
Warning: | line 5928, column 2 Value stored to 'ret_val' is never read |
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1 | /******************************************************************************* |
2 | |
3 | Copyright (c) 2001-2005, Intel Corporation |
4 | All rights reserved. |
5 | |
6 | Redistribution and use in source and binary forms, with or without |
7 | modification, are permitted provided that the following conditions are met: |
8 | |
9 | 1. Redistributions of source code must retain the above copyright notice, |
10 | this list of conditions and the following disclaimer. |
11 | |
12 | 2. Redistributions in binary form must reproduce the above copyright |
13 | notice, this list of conditions and the following disclaimer in the |
14 | documentation and/or other materials provided with the distribution. |
15 | |
16 | 3. Neither the name of the Intel Corporation nor the names of its |
17 | contributors may be used to endorse or promote products derived from |
18 | this software without specific prior written permission. |
19 | |
20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
21 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
24 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | POSSIBILITY OF SUCH DAMAGE. |
31 | |
32 | *******************************************************************************/ |
33 | |
34 | /* $OpenBSD: if_em_hw.c,v 1.113 2022/01/09 05:42:50 jsg Exp $ */ |
35 | /* |
36 | * if_em_hw.c Shared functions for accessing and configuring the MAC |
37 | */ |
38 | |
39 | #include <sys/param.h> |
40 | #include <sys/systm.h> |
41 | #include <sys/sockio.h> |
42 | #include <sys/mbuf.h> |
43 | #include <sys/malloc.h> |
44 | #include <sys/kernel.h> |
45 | #include <sys/device.h> |
46 | #include <sys/socket.h> |
47 | #include <sys/kstat.h> |
48 | |
49 | #include <net/if.h> |
50 | #include <net/if_media.h> |
51 | |
52 | #include <netinet/in.h> |
53 | #include <netinet/if_ether.h> |
54 | |
55 | #include <uvm/uvm_extern.h> |
56 | |
57 | #include <dev/pci/pcireg.h> |
58 | #include <dev/pci/pcivar.h> |
59 | |
60 | #include <dev/pci/if_em.h> |
61 | #include <dev/pci/if_em_hw.h> |
62 | #include <dev/pci/if_em_soc.h> |
63 | |
64 | #include <dev/mii/rgephyreg.h> |
65 | |
66 | #define STATIC |
67 | |
68 | static int32_t em_swfw_sync_acquire(struct em_hw *, uint16_t); |
69 | static void em_swfw_sync_release(struct em_hw *, uint16_t); |
70 | static int32_t em_read_kmrn_reg(struct em_hw *, uint32_t, uint16_t *); |
71 | static int32_t em_write_kmrn_reg(struct em_hw *hw, uint32_t, uint16_t); |
72 | static int32_t em_get_software_semaphore(struct em_hw *); |
73 | static void em_release_software_semaphore(struct em_hw *); |
74 | |
75 | static int32_t em_check_downshift(struct em_hw *); |
76 | static void em_clear_vfta(struct em_hw *); |
77 | void em_clear_vfta_i350(struct em_hw *); |
78 | static int32_t em_commit_shadow_ram(struct em_hw *); |
79 | static int32_t em_config_dsp_after_link_change(struct em_hw *, boolean_t); |
80 | static int32_t em_config_fc_after_link_up(struct em_hw *); |
81 | static int32_t em_match_gig_phy(struct em_hw *); |
82 | static int32_t em_detect_gig_phy(struct em_hw *); |
83 | static int32_t em_erase_ich8_4k_segment(struct em_hw *, uint32_t); |
84 | static int32_t em_get_auto_rd_done(struct em_hw *); |
85 | static int32_t em_get_cable_length(struct em_hw *, uint16_t *, uint16_t *); |
86 | static int32_t em_get_hw_eeprom_semaphore(struct em_hw *); |
87 | static int32_t em_get_phy_cfg_done(struct em_hw *); |
88 | static int32_t em_get_software_flag(struct em_hw *); |
89 | static int32_t em_ich8_cycle_init(struct em_hw *); |
90 | static int32_t em_ich8_flash_cycle(struct em_hw *, uint32_t); |
91 | static int32_t em_id_led_init(struct em_hw *); |
92 | static int32_t em_init_lcd_from_nvm_config_region(struct em_hw *, uint32_t, |
93 | uint32_t); |
94 | static int32_t em_init_lcd_from_nvm(struct em_hw *); |
95 | static int32_t em_phy_no_cable_workaround(struct em_hw *); |
96 | static void em_init_rx_addrs(struct em_hw *); |
97 | static void em_initialize_hardware_bits(struct em_softc *); |
98 | static void em_toggle_lanphypc_pch_lpt(struct em_hw *); |
99 | static int em_disable_ulp_lpt_lp(struct em_hw *hw, bool_Bool force); |
100 | static boolean_t em_is_onboard_nvm_eeprom(struct em_hw *); |
101 | static int32_t em_kumeran_lock_loss_workaround(struct em_hw *); |
102 | static int32_t em_mng_enable_host_if(struct em_hw *); |
103 | static int32_t em_read_eeprom_eerd(struct em_hw *, uint16_t, uint16_t, |
104 | uint16_t *); |
105 | static int32_t em_write_eeprom_eewr(struct em_hw *, uint16_t, uint16_t, |
106 | uint16_t *data); |
107 | static int32_t em_poll_eerd_eewr_done(struct em_hw *, int); |
108 | static void em_put_hw_eeprom_semaphore(struct em_hw *); |
109 | static int32_t em_read_ich8_byte(struct em_hw *, uint32_t, uint8_t *); |
110 | static int32_t em_verify_write_ich8_byte(struct em_hw *, uint32_t, uint8_t); |
111 | static int32_t em_write_ich8_byte(struct em_hw *, uint32_t, uint8_t); |
112 | static int32_t em_read_ich8_word(struct em_hw *, uint32_t, uint16_t *); |
113 | static int32_t em_read_ich8_dword(struct em_hw *, uint32_t, uint32_t *); |
114 | static int32_t em_read_ich8_data(struct em_hw *, uint32_t, uint32_t, |
115 | uint16_t *); |
116 | static int32_t em_write_ich8_data(struct em_hw *, uint32_t, uint32_t, |
117 | uint16_t); |
118 | static int32_t em_read_eeprom_ich8(struct em_hw *, uint16_t, uint16_t, |
119 | uint16_t *); |
120 | static int32_t em_write_eeprom_ich8(struct em_hw *, uint16_t, uint16_t, |
121 | uint16_t *); |
122 | static int32_t em_read_invm_i210(struct em_hw *, uint16_t, uint16_t, |
123 | uint16_t *); |
124 | static int32_t em_read_invm_word_i210(struct em_hw *, uint16_t, uint16_t *); |
125 | static void em_release_software_flag(struct em_hw *); |
126 | static int32_t em_set_d3_lplu_state(struct em_hw *, boolean_t); |
127 | static int32_t em_set_d0_lplu_state(struct em_hw *, boolean_t); |
128 | static int32_t em_set_lplu_state_pchlan(struct em_hw *, boolean_t); |
129 | static int32_t em_set_pci_ex_no_snoop(struct em_hw *, uint32_t); |
130 | static void em_set_pci_express_master_disable(struct em_hw *); |
131 | static int32_t em_wait_autoneg(struct em_hw *); |
132 | static void em_write_reg_io(struct em_hw *, uint32_t, uint32_t); |
133 | static int32_t em_set_phy_type(struct em_hw *); |
134 | static void em_phy_init_script(struct em_hw *); |
135 | static int32_t em_setup_copper_link(struct em_hw *); |
136 | static int32_t em_setup_fiber_serdes_link(struct em_hw *); |
137 | static int32_t em_adjust_serdes_amplitude(struct em_hw *); |
138 | static int32_t em_phy_force_speed_duplex(struct em_hw *); |
139 | static int32_t em_config_mac_to_phy(struct em_hw *); |
140 | static void em_raise_mdi_clk(struct em_hw *, uint32_t *); |
141 | static void em_lower_mdi_clk(struct em_hw *, uint32_t *); |
142 | static void em_shift_out_mdi_bits(struct em_hw *, uint32_t, uint16_t); |
143 | static uint16_t em_shift_in_mdi_bits(struct em_hw *); |
144 | static int32_t em_phy_reset_dsp(struct em_hw *); |
145 | static int32_t em_write_eeprom_spi(struct em_hw *, uint16_t, uint16_t, |
146 | uint16_t *); |
147 | static int32_t em_write_eeprom_microwire(struct em_hw *, uint16_t, uint16_t, |
148 | uint16_t *); |
149 | static int32_t em_spi_eeprom_ready(struct em_hw *); |
150 | static void em_raise_ee_clk(struct em_hw *, uint32_t *); |
151 | static void em_lower_ee_clk(struct em_hw *, uint32_t *); |
152 | static void em_shift_out_ee_bits(struct em_hw *, uint16_t, uint16_t); |
153 | static int32_t em_write_phy_reg_ex(struct em_hw *, uint32_t, uint16_t); |
154 | static int32_t em_read_phy_reg_ex(struct em_hw *, uint32_t, uint16_t *); |
155 | static uint16_t em_shift_in_ee_bits(struct em_hw *, uint16_t); |
156 | static int32_t em_acquire_eeprom(struct em_hw *); |
157 | static void em_release_eeprom(struct em_hw *); |
158 | static void em_standby_eeprom(struct em_hw *); |
159 | static int32_t em_set_vco_speed(struct em_hw *); |
160 | static int32_t em_polarity_reversal_workaround(struct em_hw *); |
161 | static int32_t em_set_phy_mode(struct em_hw *); |
162 | static int32_t em_host_if_read_cookie(struct em_hw *, uint8_t *); |
163 | static uint8_t em_calculate_mng_checksum(char *, uint32_t); |
164 | static int32_t em_configure_kmrn_for_10_100(struct em_hw *, uint16_t); |
165 | static int32_t em_configure_kmrn_for_1000(struct em_hw *); |
166 | static int32_t em_set_pciex_completion_timeout(struct em_hw *hw); |
167 | static int32_t em_set_mdio_slow_mode_hv(struct em_hw *); |
168 | int32_t em_hv_phy_workarounds_ich8lan(struct em_hw *); |
169 | int32_t em_lv_phy_workarounds_ich8lan(struct em_hw *); |
170 | int32_t em_link_stall_workaround_hv(struct em_hw *); |
171 | int32_t em_k1_gig_workaround_hv(struct em_hw *, boolean_t); |
172 | int32_t em_k1_workaround_lv(struct em_hw *); |
173 | int32_t em_k1_workaround_lpt_lp(struct em_hw *, boolean_t); |
174 | int32_t em_configure_k1_ich8lan(struct em_hw *, boolean_t); |
175 | void em_gate_hw_phy_config_ich8lan(struct em_hw *, boolean_t); |
176 | int32_t em_access_phy_wakeup_reg_bm(struct em_hw *, uint32_t, |
177 | uint16_t *, boolean_t); |
178 | int32_t em_access_phy_debug_regs_hv(struct em_hw *, uint32_t, |
179 | uint16_t *, boolean_t); |
180 | int32_t em_access_phy_reg_hv(struct em_hw *, uint32_t, uint16_t *, |
181 | boolean_t); |
182 | int32_t em_oem_bits_config_pchlan(struct em_hw *, boolean_t); |
183 | void em_power_up_serdes_link_82575(struct em_hw *); |
184 | int32_t em_get_pcs_speed_and_duplex_82575(struct em_hw *, uint16_t *, |
185 | uint16_t *); |
186 | int32_t em_set_eee_i350(struct em_hw *); |
187 | int32_t em_set_eee_pchlan(struct em_hw *); |
188 | int32_t em_valid_nvm_bank_detect_ich8lan(struct em_hw *, uint32_t *); |
189 | int32_t em_initialize_M88E1512_phy(struct em_hw *); |
190 | |
191 | /* IGP cable length table */ |
192 | static const uint16_t |
193 | em_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE128] = |
194 | {5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
195 | 5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25, |
196 | 25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40, |
197 | 40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60, |
198 | 60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90, |
199 | 90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, |
200 | 100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, |
201 | 110, |
202 | 110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120, 120, |
203 | 120}; |
204 | |
205 | static const uint16_t |
206 | em_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE113] = |
207 | {0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, |
208 | 0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, |
209 | 6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, |
210 | 21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, |
211 | 40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, |
212 | 60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, |
213 | 83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, |
214 | 121, 124}; |
215 | |
216 | /****************************************************************************** |
217 | * Set the phy type member in the hw struct. |
218 | * |
219 | * hw - Struct containing variables accessed by shared code |
220 | *****************************************************************************/ |
221 | STATIC int32_t |
222 | em_set_phy_type(struct em_hw *hw) |
223 | { |
224 | DEBUGFUNC("em_set_phy_type");; |
225 | |
226 | if (hw->mac_type == em_undefined) |
227 | return -E1000_ERR_PHY_TYPE6; |
228 | |
229 | switch (hw->phy_id) { |
230 | case M88E1000_E_PHY_ID0x01410C50: |
231 | case M88E1000_I_PHY_ID0x01410C30: |
232 | case M88E1011_I_PHY_ID0x01410C20: |
233 | case M88E1111_I_PHY_ID0x01410CC0: |
234 | case M88E1112_E_PHY_ID0x01410C90: |
235 | case M88E1543_E_PHY_ID0x01410EA0: |
236 | case M88E1512_E_PHY_ID0x01410DD0: |
237 | case I210_I_PHY_ID0x01410C00: |
238 | case I347AT4_E_PHY_ID0x01410DC0: |
239 | hw->phy_type = em_phy_m88; |
240 | break; |
241 | case IGP01E1000_I_PHY_ID0x02A80380: |
242 | if (hw->mac_type == em_82541 || |
243 | hw->mac_type == em_82541_rev_2 || |
244 | hw->mac_type == em_82547 || |
245 | hw->mac_type == em_82547_rev_2) { |
246 | hw->phy_type = em_phy_igp; |
247 | break; |
248 | } |
249 | case IGP03E1000_E_PHY_ID0x02A80390: |
250 | case IGP04E1000_E_PHY_ID0x02A80391: |
251 | hw->phy_type = em_phy_igp_3; |
252 | break; |
253 | case IFE_E_PHY_ID0x02A80330: |
254 | case IFE_PLUS_E_PHY_ID0x02A80320: |
255 | case IFE_C_E_PHY_ID0x02A80310: |
256 | hw->phy_type = em_phy_ife; |
257 | break; |
258 | case M88E1141_E_PHY_ID0x01410CD0: |
259 | hw->phy_type = em_phy_oem; |
260 | break; |
261 | case I82577_E_PHY_ID0x01540050: |
262 | hw->phy_type = em_phy_82577; |
263 | break; |
264 | case I82578_E_PHY_ID0x004DD040: |
265 | hw->phy_type = em_phy_82578; |
266 | break; |
267 | case I82579_E_PHY_ID0x01540090: |
268 | hw->phy_type = em_phy_82579; |
269 | break; |
270 | case I217_E_PHY_ID0x015400A0: |
271 | hw->phy_type = em_phy_i217; |
272 | break; |
273 | case I82580_I_PHY_ID0x015403A0: |
274 | case I350_I_PHY_ID0x015403B0: |
275 | hw->phy_type = em_phy_82580; |
276 | break; |
277 | case RTL8211_E_PHY_ID0x001CC912: |
278 | hw->phy_type = em_phy_rtl8211; |
279 | break; |
280 | case BME1000_E_PHY_ID0x01410CB0: |
281 | if (hw->phy_revision == 1) { |
282 | hw->phy_type = em_phy_bm; |
283 | break; |
284 | } |
285 | /* FALLTHROUGH */ |
286 | case GG82563_E_PHY_ID0x01410CA0: |
287 | if (hw->mac_type == em_80003es2lan) { |
288 | hw->phy_type = em_phy_gg82563; |
289 | break; |
290 | } |
291 | /* FALLTHROUGH */ |
292 | default: |
293 | /* Should never have loaded on this device */ |
294 | hw->phy_type = em_phy_undefined; |
295 | return -E1000_ERR_PHY_TYPE6; |
296 | } |
297 | |
298 | return E1000_SUCCESS0; |
299 | } |
300 | |
301 | /****************************************************************************** |
302 | * IGP phy init script - initializes the GbE PHY |
303 | * |
304 | * hw - Struct containing variables accessed by shared code |
305 | *****************************************************************************/ |
306 | static void |
307 | em_phy_init_script(struct em_hw *hw) |
308 | { |
309 | uint16_t phy_saved_data; |
310 | DEBUGFUNC("em_phy_init_script");; |
311 | |
312 | if (hw->phy_init_script) { |
313 | msec_delay(20)(*delay_func)(1000*(20)); |
314 | /* |
315 | * Save off the current value of register 0x2F5B to be |
316 | * restored at the end of this routine. |
317 | */ |
318 | em_read_phy_reg(hw, 0x2F5B, &phy_saved_data); |
319 | |
320 | /* Disabled the PHY transmitter */ |
321 | em_write_phy_reg(hw, 0x2F5B, 0x0003); |
322 | msec_delay(20)(*delay_func)(1000*(20)); |
323 | em_write_phy_reg(hw, 0x0000, 0x0140); |
324 | msec_delay(5)(*delay_func)(1000*(5)); |
325 | |
326 | switch (hw->mac_type) { |
327 | case em_82541: |
328 | case em_82547: |
329 | em_write_phy_reg(hw, 0x1F95, 0x0001); |
330 | em_write_phy_reg(hw, 0x1F71, 0xBD21); |
331 | em_write_phy_reg(hw, 0x1F79, 0x0018); |
332 | em_write_phy_reg(hw, 0x1F30, 0x1600); |
333 | em_write_phy_reg(hw, 0x1F31, 0x0014); |
334 | em_write_phy_reg(hw, 0x1F32, 0x161C); |
335 | em_write_phy_reg(hw, 0x1F94, 0x0003); |
336 | em_write_phy_reg(hw, 0x1F96, 0x003F); |
337 | em_write_phy_reg(hw, 0x2010, 0x0008); |
338 | break; |
339 | case em_82541_rev_2: |
340 | case em_82547_rev_2: |
341 | em_write_phy_reg(hw, 0x1F73, 0x0099); |
342 | break; |
343 | default: |
344 | break; |
345 | } |
346 | |
347 | em_write_phy_reg(hw, 0x0000, 0x3300); |
348 | msec_delay(20)(*delay_func)(1000*(20)); |
349 | |
350 | /* Now enable the transmitter */ |
351 | em_write_phy_reg(hw, 0x2F5B, phy_saved_data); |
352 | |
353 | if (hw->mac_type == em_82547) { |
354 | uint16_t fused, fine, coarse; |
355 | /* Move to analog registers page */ |
356 | em_read_phy_reg(hw, |
357 | IGP01E1000_ANALOG_SPARE_FUSE_STATUS0x20D1, &fused); |
358 | |
359 | if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED0x0100)) { |
360 | em_read_phy_reg(hw, |
361 | IGP01E1000_ANALOG_FUSE_STATUS0x20D0, &fused); |
362 | |
363 | fine = fused & |
364 | IGP01E1000_ANALOG_FUSE_FINE_MASK0x0F80; |
365 | coarse = fused & |
366 | IGP01E1000_ANALOG_FUSE_COARSE_MASK0x0070; |
367 | |
368 | if (coarse > |
369 | IGP01E1000_ANALOG_FUSE_COARSE_THRESH0x0040) { |
370 | coarse -= |
371 | IGP01E1000_ANALOG_FUSE_COARSE_100x0010; |
372 | fine -= |
373 | IGP01E1000_ANALOG_FUSE_FINE_10x0080; |
374 | } else if (coarse == |
375 | IGP01E1000_ANALOG_FUSE_COARSE_THRESH0x0040) |
376 | fine -= IGP01E1000_ANALOG_FUSE_FINE_100x0500; |
377 | |
378 | fused = (fused & |
379 | IGP01E1000_ANALOG_FUSE_POLY_MASK0xF000) | |
380 | (fine & |
381 | IGP01E1000_ANALOG_FUSE_FINE_MASK0x0F80) | |
382 | (coarse & |
383 | IGP01E1000_ANALOG_FUSE_COARSE_MASK0x0070); |
384 | |
385 | em_write_phy_reg(hw, |
386 | IGP01E1000_ANALOG_FUSE_CONTROL0x20DC, |
387 | fused); |
388 | |
389 | em_write_phy_reg(hw, |
390 | IGP01E1000_ANALOG_FUSE_BYPASS0x20DE, |
391 | IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL0x0002); |
392 | } |
393 | } |
394 | } |
395 | } |
396 | |
397 | /****************************************************************************** |
398 | * Set the mac type member in the hw struct. |
399 | * |
400 | * hw - Struct containing variables accessed by shared code |
401 | *****************************************************************************/ |
402 | int32_t |
403 | em_set_mac_type(struct em_hw *hw) |
404 | { |
405 | DEBUGFUNC("em_set_mac_type");; |
406 | |
407 | switch (hw->device_id) { |
408 | case E1000_DEV_ID_825420x1000: |
409 | switch (hw->revision_id) { |
410 | case E1000_82542_2_0_REV_ID2: |
411 | hw->mac_type = em_82542_rev2_0; |
412 | break; |
413 | case E1000_82542_2_1_REV_ID3: |
414 | hw->mac_type = em_82542_rev2_1; |
415 | break; |
416 | default: |
417 | /* Invalid 82542 revision ID */ |
418 | return -E1000_ERR_MAC_TYPE5; |
419 | } |
420 | break; |
421 | case E1000_DEV_ID_82543GC_FIBER0x1001: |
422 | case E1000_DEV_ID_82543GC_COPPER0x1004: |
423 | hw->mac_type = em_82543; |
424 | break; |
425 | case E1000_DEV_ID_82544EI_COPPER0x1008: |
426 | case E1000_DEV_ID_82544EI_FIBER0x1009: |
427 | case E1000_DEV_ID_82544GC_COPPER0x100C: |
428 | case E1000_DEV_ID_82544GC_LOM0x100D: |
429 | hw->mac_type = em_82544; |
430 | break; |
431 | case E1000_DEV_ID_82540EM0x100E: |
432 | case E1000_DEV_ID_82540EM_LOM0x1015: |
433 | case E1000_DEV_ID_82540EP0x1017: |
434 | case E1000_DEV_ID_82540EP_LOM0x1016: |
435 | case E1000_DEV_ID_82540EP_LP0x101E: |
436 | hw->mac_type = em_82540; |
437 | break; |
438 | case E1000_DEV_ID_82545EM_COPPER0x100F: |
439 | case E1000_DEV_ID_82545EM_FIBER0x1011: |
440 | hw->mac_type = em_82545; |
441 | break; |
442 | case E1000_DEV_ID_82545GM_COPPER0x1026: |
443 | case E1000_DEV_ID_82545GM_FIBER0x1027: |
444 | case E1000_DEV_ID_82545GM_SERDES0x1028: |
445 | hw->mac_type = em_82545_rev_3; |
446 | break; |
447 | case E1000_DEV_ID_82546EB_COPPER0x1010: |
448 | case E1000_DEV_ID_82546EB_FIBER0x1012: |
449 | case E1000_DEV_ID_82546EB_QUAD_COPPER0x101D: |
450 | hw->mac_type = em_82546; |
451 | break; |
452 | case E1000_DEV_ID_82546GB_COPPER0x1079: |
453 | case E1000_DEV_ID_82546GB_FIBER0x107A: |
454 | case E1000_DEV_ID_82546GB_SERDES0x107B: |
455 | case E1000_DEV_ID_82546GB_PCIE0x108A: |
456 | case E1000_DEV_ID_82546GB_QUAD_COPPER0x1099: |
457 | case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP30x10B5: |
458 | case E1000_DEV_ID_82546GB_20x109B: |
459 | hw->mac_type = em_82546_rev_3; |
460 | break; |
461 | case E1000_DEV_ID_82541EI0x1013: |
462 | case E1000_DEV_ID_82541EI_MOBILE0x1018: |
463 | case E1000_DEV_ID_82541ER_LOM0x1014: |
464 | hw->mac_type = em_82541; |
465 | break; |
466 | case E1000_DEV_ID_82541ER0x1078: |
467 | case E1000_DEV_ID_82541GI0x1076: |
468 | case E1000_DEV_ID_82541GI_LF0x107C: |
469 | case E1000_DEV_ID_82541GI_MOBILE0x1077: |
470 | hw->mac_type = em_82541_rev_2; |
471 | break; |
472 | case E1000_DEV_ID_82547EI0x1019: |
473 | case E1000_DEV_ID_82547EI_MOBILE0x101A: |
474 | hw->mac_type = em_82547; |
475 | break; |
476 | case E1000_DEV_ID_82547GI0x1075: |
477 | hw->mac_type = em_82547_rev_2; |
478 | break; |
479 | case E1000_DEV_ID_82571EB_AF0x10A1: |
480 | case E1000_DEV_ID_82571EB_AT0x10A0: |
481 | case E1000_DEV_ID_82571EB_COPPER0x105E: |
482 | case E1000_DEV_ID_82571EB_FIBER0x105F: |
483 | case E1000_DEV_ID_82571EB_SERDES0x1060: |
484 | case E1000_DEV_ID_82571EB_QUAD_COPPER0x10A4: |
485 | case E1000_DEV_ID_82571EB_QUAD_FIBER0x10A5: |
486 | case E1000_DEV_ID_82571EB_QUAD_COPPER_LP0x10BC: |
487 | case E1000_DEV_ID_82571EB_SERDES_DUAL0x10D9: |
488 | case E1000_DEV_ID_82571EB_SERDES_QUAD0x10DA: |
489 | case E1000_DEV_ID_82571PT_QUAD_COPPER0x10D5: |
490 | hw->mac_type = em_82571; |
491 | break; |
492 | case E1000_DEV_ID_82572EI_COPPER0x107D: |
493 | case E1000_DEV_ID_82572EI_FIBER0x107E: |
494 | case E1000_DEV_ID_82572EI_SERDES0x107F: |
495 | case E1000_DEV_ID_82572EI0x10B9: |
496 | hw->mac_type = em_82572; |
497 | break; |
498 | case E1000_DEV_ID_82573E0x108B: |
499 | case E1000_DEV_ID_82573E_IAMT0x108C: |
500 | case E1000_DEV_ID_82573E_PM0x10B3: |
501 | case E1000_DEV_ID_82573L0x109A: |
502 | case E1000_DEV_ID_82573L_PL_10x10B0: |
503 | case E1000_DEV_ID_82573L_PL_20x10B4: |
504 | case E1000_DEV_ID_82573V_PM0x10B2: |
505 | hw->mac_type = em_82573; |
506 | break; |
507 | case E1000_DEV_ID_82574L0x10D3: |
508 | case E1000_DEV_ID_82574LA0x10F6: |
509 | case E1000_DEV_ID_82583V0x150C: |
510 | hw->mac_type = em_82574; |
511 | break; |
512 | case E1000_DEV_ID_82575EB_PT0x10A7: |
513 | case E1000_DEV_ID_82575EB_PF0x10A9: |
514 | case E1000_DEV_ID_82575GB_QP0x10D6: |
515 | case E1000_DEV_ID_82575GB_QP_PM0x10E2: |
516 | hw->mac_type = em_82575; |
517 | hw->initialize_hw_bits_disable = 1; |
518 | break; |
519 | case E1000_DEV_ID_825760x10C9: |
520 | case E1000_DEV_ID_82576_FIBER0x10E6: |
521 | case E1000_DEV_ID_82576_SERDES0x10E7: |
522 | case E1000_DEV_ID_82576_QUAD_COPPER0x10E8: |
523 | case E1000_DEV_ID_82576_QUAD_CU_ET20x1526: |
524 | case E1000_DEV_ID_82576_NS0x150A: |
525 | case E1000_DEV_ID_82576_NS_SERDES0x1518: |
526 | case E1000_DEV_ID_82576_SERDES_QUAD0x150D: |
527 | hw->mac_type = em_82576; |
528 | hw->initialize_hw_bits_disable = 1; |
529 | break; |
530 | case E1000_DEV_ID_82580_COPPER0x150E: |
531 | case E1000_DEV_ID_82580_FIBER0x150F: |
532 | case E1000_DEV_ID_82580_QUAD_FIBER0x1527: |
533 | case E1000_DEV_ID_82580_SERDES0x1510: |
534 | case E1000_DEV_ID_82580_SGMII0x1511: |
535 | case E1000_DEV_ID_82580_COPPER_DUAL0x1516: |
536 | case E1000_DEV_ID_DH89XXCC_SGMII0x0438: |
537 | case E1000_DEV_ID_DH89XXCC_SERDES0x043A: |
538 | case E1000_DEV_ID_DH89XXCC_BACKPLANE0x043C: |
539 | case E1000_DEV_ID_DH89XXCC_SFP0x0440: |
540 | hw->mac_type = em_82580; |
541 | hw->initialize_hw_bits_disable = 1; |
542 | break; |
543 | case E1000_DEV_ID_I210_COPPER0x1533: |
544 | case E1000_DEV_ID_I210_COPPER_OEM10x1534: |
545 | case E1000_DEV_ID_I210_COPPER_IT0x1535: |
546 | case E1000_DEV_ID_I210_FIBER0x1536: |
547 | case E1000_DEV_ID_I210_SERDES0x1537: |
548 | case E1000_DEV_ID_I210_SGMII0x1538: |
549 | case E1000_DEV_ID_I210_COPPER_FLASHLESS0x157B: |
550 | case E1000_DEV_ID_I210_SERDES_FLASHLESS0x157C: |
551 | case E1000_DEV_ID_I211_COPPER0x1539: |
552 | hw->mac_type = em_i210; |
553 | hw->initialize_hw_bits_disable = 1; |
554 | hw->eee_enable = 1; |
555 | break; |
556 | case E1000_DEV_ID_I350_COPPER0x1521: |
557 | case E1000_DEV_ID_I350_FIBER0x1522: |
558 | case E1000_DEV_ID_I350_SERDES0x1523: |
559 | case E1000_DEV_ID_I350_SGMII0x1524: |
560 | case E1000_DEV_ID_I350_DA40x1546: |
561 | case E1000_DEV_ID_I354_BACKPLANE_1GBPS0x1F40: |
562 | case E1000_DEV_ID_I354_SGMII0x1F41: |
563 | case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS0x1F45: |
564 | hw->mac_type = em_i350; |
565 | hw->initialize_hw_bits_disable = 1; |
566 | hw->eee_enable = 1; |
567 | break; |
568 | case E1000_DEV_ID_80003ES2LAN_COPPER_SPT0x10BA: |
569 | case E1000_DEV_ID_80003ES2LAN_SERDES_SPT0x10BB: |
570 | case E1000_DEV_ID_80003ES2LAN_COPPER_DPT0x1096: |
571 | case E1000_DEV_ID_80003ES2LAN_SERDES_DPT0x1098: |
572 | hw->mac_type = em_80003es2lan; |
573 | break; |
574 | case E1000_DEV_ID_ICH8_IFE0x104C: |
575 | case E1000_DEV_ID_ICH8_IFE_G0x10C5: |
576 | case E1000_DEV_ID_ICH8_IFE_GT0x10C4: |
577 | case E1000_DEV_ID_ICH8_IGP_AMT0x104A: |
578 | case E1000_DEV_ID_ICH8_IGP_C0x104B: |
579 | case E1000_DEV_ID_ICH8_IGP_M0x104D: |
580 | case E1000_DEV_ID_ICH8_IGP_M_AMT0x1049: |
581 | case E1000_DEV_ID_ICH8_82567V_30x1501: |
582 | hw->mac_type = em_ich8lan; |
583 | break; |
584 | case E1000_DEV_ID_ICH9_BM0x10E5: |
585 | case E1000_DEV_ID_ICH9_IFE0x10C0: |
586 | case E1000_DEV_ID_ICH9_IFE_G0x10C2: |
587 | case E1000_DEV_ID_ICH9_IFE_GT0x10C3: |
588 | case E1000_DEV_ID_ICH9_IGP_AMT0x10BD: |
589 | case E1000_DEV_ID_ICH9_IGP_C0x294C: |
590 | case E1000_DEV_ID_ICH9_IGP_M0x10BF: |
591 | case E1000_DEV_ID_ICH9_IGP_M_AMT0x10F5: |
592 | case E1000_DEV_ID_ICH9_IGP_M_V0x10CB: |
593 | case E1000_DEV_ID_ICH10_R_BM_LF0x10CD: |
594 | case E1000_DEV_ID_ICH10_R_BM_LM0x10CC: |
595 | case E1000_DEV_ID_ICH10_R_BM_V0x10CE: |
596 | hw->mac_type = em_ich9lan; |
597 | break; |
598 | case E1000_DEV_ID_ICH10_D_BM_LF0x10DF: |
599 | case E1000_DEV_ID_ICH10_D_BM_LM0x10DE: |
600 | case E1000_DEV_ID_ICH10_D_BM_V0x1525: |
601 | hw->mac_type = em_ich10lan; |
602 | break; |
603 | case E1000_DEV_ID_PCH_M_HV_LC0x10EB: |
604 | case E1000_DEV_ID_PCH_M_HV_LM0x10EA: |
605 | case E1000_DEV_ID_PCH_D_HV_DC0x10F0: |
606 | case E1000_DEV_ID_PCH_D_HV_DM0x10EF: |
607 | hw->mac_type = em_pchlan; |
608 | hw->eee_enable = 1; |
609 | break; |
610 | case E1000_DEV_ID_PCH2_LV_LM0x1502: |
611 | case E1000_DEV_ID_PCH2_LV_V0x1503: |
612 | hw->mac_type = em_pch2lan; |
613 | break; |
614 | case E1000_DEV_ID_PCH_LPT_I217_LM0x153A: |
615 | case E1000_DEV_ID_PCH_LPT_I217_V0x153B: |
616 | case E1000_DEV_ID_PCH_LPTLP_I218_LM0x155A: |
617 | case E1000_DEV_ID_PCH_LPTLP_I218_V0x1559: |
618 | case E1000_DEV_ID_PCH_I218_LM20x15A0: |
619 | case E1000_DEV_ID_PCH_I218_V20x15A1: |
620 | case E1000_DEV_ID_PCH_I218_LM30x15A2: |
621 | case E1000_DEV_ID_PCH_I218_V30x15A3: |
622 | hw->mac_type = em_pch_lpt; |
623 | break; |
624 | case E1000_DEV_ID_PCH_SPT_I219_LM0x156F: |
625 | case E1000_DEV_ID_PCH_SPT_I219_V0x1570: |
626 | case E1000_DEV_ID_PCH_SPT_I219_LM20x15B7: |
627 | case E1000_DEV_ID_PCH_SPT_I219_V20x15B8: |
628 | case E1000_DEV_ID_PCH_LBG_I219_LM30x15B9: |
629 | case E1000_DEV_ID_PCH_SPT_I219_LM40x15D7: |
630 | case E1000_DEV_ID_PCH_SPT_I219_V40x15D8: |
631 | case E1000_DEV_ID_PCH_SPT_I219_LM50x15E3: |
632 | case E1000_DEV_ID_PCH_SPT_I219_V50x15D6: |
633 | case E1000_DEV_ID_PCH_CMP_I219_LM120x0D53: |
634 | case E1000_DEV_ID_PCH_CMP_I219_V120x0D55: |
635 | hw->mac_type = em_pch_spt; |
636 | break; |
637 | case E1000_DEV_ID_PCH_CNP_I219_LM60x15BD: |
638 | case E1000_DEV_ID_PCH_CNP_I219_V60x15BE: |
639 | case E1000_DEV_ID_PCH_CNP_I219_LM70x15BB: |
640 | case E1000_DEV_ID_PCH_CNP_I219_V70x15BC: |
641 | case E1000_DEV_ID_PCH_ICP_I219_LM80x15DF: |
642 | case E1000_DEV_ID_PCH_ICP_I219_V80x15E0: |
643 | case E1000_DEV_ID_PCH_ICP_I219_LM90x15E1: |
644 | case E1000_DEV_ID_PCH_ICP_I219_V90x15E2: |
645 | case E1000_DEV_ID_PCH_CMP_I219_LM100x0D4E: |
646 | case E1000_DEV_ID_PCH_CMP_I219_V100x0D4F: |
647 | case E1000_DEV_ID_PCH_CMP_I219_LM110x0D4C: |
648 | case E1000_DEV_ID_PCH_CMP_I219_V110x0D4D: |
649 | case E1000_DEV_ID_PCH_TGP_I219_LM130x15FB: |
650 | case E1000_DEV_ID_PCH_TGP_I219_V130x15FC: |
651 | case E1000_DEV_ID_PCH_TGP_I219_LM140x15F9: |
652 | case E1000_DEV_ID_PCH_TGP_I219_V140x15FA: |
653 | case E1000_DEV_ID_PCH_TGP_I219_LM150x15F4: |
654 | case E1000_DEV_ID_PCH_TGP_I219_V150x15F5: |
655 | case E1000_DEV_ID_PCH_ADP_I219_LM160x1A1E: |
656 | case E1000_DEV_ID_PCH_ADP_I219_V160x1A1F: |
657 | case E1000_DEV_ID_PCH_ADP_I219_LM170x1A1C: |
658 | case E1000_DEV_ID_PCH_ADP_I219_V170x1A1D: |
659 | case E1000_DEV_ID_PCH_MTP_I219_LM180x550A: |
660 | case E1000_DEV_ID_PCH_MTP_I219_V180x550B: |
661 | case E1000_DEV_ID_PCH_MTP_I219_LM190x550C: |
662 | case E1000_DEV_ID_PCH_MTP_I219_V190x550D: |
663 | hw->mac_type = em_pch_cnp; |
664 | break; |
665 | case E1000_DEV_ID_EP80579_LAN_10x5040: |
666 | hw->mac_type = em_icp_xxxx; |
667 | hw->icp_xxxx_port_num = 0; |
668 | break; |
669 | case E1000_DEV_ID_EP80579_LAN_20x5044: |
670 | case E1000_DEV_ID_EP80579_LAN_40x5041: |
671 | hw->mac_type = em_icp_xxxx; |
672 | hw->icp_xxxx_port_num = 1; |
673 | break; |
674 | case E1000_DEV_ID_EP80579_LAN_30x5048: |
675 | case E1000_DEV_ID_EP80579_LAN_50x5045: |
676 | hw->mac_type = em_icp_xxxx; |
677 | hw->icp_xxxx_port_num = 2; |
678 | break; |
679 | case E1000_DEV_ID_EP80579_LAN_60x5049: |
680 | hw->mac_type = em_icp_xxxx; |
681 | hw->icp_xxxx_port_num = 3; |
682 | break; |
683 | default: |
684 | /* Should never have loaded on this device */ |
685 | return -E1000_ERR_MAC_TYPE5; |
686 | } |
687 | |
688 | switch (hw->mac_type) { |
689 | case em_ich8lan: |
690 | case em_ich9lan: |
691 | case em_ich10lan: |
692 | case em_pchlan: |
693 | case em_pch2lan: |
694 | case em_pch_lpt: |
695 | case em_pch_spt: |
696 | case em_pch_cnp: |
697 | hw->swfwhw_semaphore_present = TRUE1; |
698 | hw->asf_firmware_present = TRUE1; |
699 | break; |
700 | case em_80003es2lan: |
701 | case em_82575: |
702 | case em_82576: |
703 | case em_82580: |
704 | case em_i210: |
705 | case em_i350: |
706 | hw->swfw_sync_present = TRUE1; |
707 | /* FALLTHROUGH */ |
708 | case em_82571: |
709 | case em_82572: |
710 | case em_82573: |
711 | case em_82574: |
712 | hw->eeprom_semaphore_present = TRUE1; |
713 | /* FALLTHROUGH */ |
714 | case em_82541: |
715 | case em_82547: |
716 | case em_82541_rev_2: |
717 | case em_82547_rev_2: |
718 | hw->asf_firmware_present = TRUE1; |
719 | break; |
720 | default: |
721 | break; |
722 | } |
723 | |
724 | return E1000_SUCCESS0; |
725 | } |
726 | |
727 | /** |
728 | * em_set_sfp_media_type_82575 - derives SFP module media type. |
729 | * @hw: pointer to the HW structure |
730 | * |
731 | * The media type is chosen based on SFP module. |
732 | * compatibility flags retrieved from SFP ID EEPROM. |
733 | **/ |
734 | STATIC int32_t em_set_sfp_media_type_82575(struct em_hw *hw) |
735 | { |
736 | struct sfp_e1000_flags eth_flags; |
737 | int32_t ret_val = E1000_ERR_CONFIG3; |
738 | uint32_t ctrl_ext = 0; |
739 | uint8_t transceiver_type = 0; |
740 | int32_t timeout = 3; |
741 | |
742 | /* Turn I2C interface ON and power on sfp cage */ |
743 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
744 | ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA0x00000080; |
745 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext | E1000_CTRL_I2C_ENA)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext | 0x02000000))); |
746 | |
747 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
748 | |
749 | /* Read SFP module data */ |
750 | while (timeout) { |
751 | ret_val = em_read_sfp_data_byte(hw, |
752 | E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_IDENTIFIER_OFFSET)(0x0000 + (0x00)), |
753 | &transceiver_type); |
754 | if (ret_val == E1000_SUCCESS0) |
755 | break; |
756 | msec_delay(100)(*delay_func)(1000*(100)); |
757 | timeout--; |
758 | } |
759 | if (ret_val != E1000_SUCCESS0) |
760 | goto out; |
761 | |
762 | ret_val = em_read_sfp_data_byte(hw, |
763 | E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_ETH_FLAGS_OFFSET)(0x0000 + (0x06)), |
764 | (uint8_t *)ð_flags); |
765 | if (ret_val != E1000_SUCCESS0) |
766 | goto out; |
767 | |
768 | /* Check if there is some SFP module plugged and powered */ |
769 | if ((transceiver_type == E1000_SFF_IDENTIFIER_SFP0x03) || |
770 | (transceiver_type == E1000_SFF_IDENTIFIER_SFF0x02)) { |
771 | if (eth_flags.e1000_base_lx || eth_flags.e1000_base_sx) { |
772 | hw->media_type = em_media_type_internal_serdes; |
773 | } else if (eth_flags.e100_base_fx || eth_flags.e100_base_lx) { |
774 | hw->media_type = em_media_type_internal_serdes; |
775 | hw->sgmii_active = TRUE1; |
776 | } else if (eth_flags.e1000_base_t) { |
777 | hw->media_type = em_media_type_copper; |
778 | hw->sgmii_active = TRUE1; |
779 | } else { |
780 | DEBUGOUT("PHY module has not been recognized\n"); |
781 | ret_val = E1000_ERR_CONFIG3; |
782 | goto out; |
783 | } |
784 | } else { |
785 | ret_val = E1000_ERR_CONFIG3; |
786 | goto out; |
787 | } |
788 | ret_val = E1000_SUCCESS0; |
789 | out: |
790 | /* Restore I2C interface setting */ |
791 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
792 | return ret_val; |
793 | } |
794 | |
795 | |
796 | /***************************************************************************** |
797 | * Set media type and TBI compatibility. |
798 | * |
799 | * hw - Struct containing variables accessed by shared code |
800 | * **************************************************************************/ |
801 | void |
802 | em_set_media_type(struct em_hw *hw) |
803 | { |
804 | uint32_t status, ctrl_ext, mdic; |
805 | DEBUGFUNC("em_set_media_type");; |
806 | |
807 | if (hw->mac_type != em_82543) { |
808 | /* tbi_compatibility is only valid on 82543 */ |
809 | hw->tbi_compatibility_en = FALSE0; |
810 | } |
811 | |
812 | if (hw->mac_type == em_82575 || hw->mac_type == em_82580 || |
813 | hw->mac_type == em_82576 || |
814 | hw->mac_type == em_i210 || hw->mac_type == em_i350) { |
815 | hw->media_type = em_media_type_copper; |
816 | hw->sgmii_active = FALSE0; |
817 | |
818 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
819 | switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK0x00C00000) { |
820 | case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX0x00400000: |
821 | hw->media_type = em_media_type_internal_serdes; |
822 | ctrl_ext |= E1000_CTRL_I2C_ENA0x02000000; |
823 | break; |
824 | case E1000_CTRL_EXT_LINK_MODE_SGMII0x00800000: |
825 | mdic = EM_READ_REG(hw, E1000_MDICNFG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (0x00E04))); |
826 | ctrl_ext |= E1000_CTRL_I2C_ENA0x02000000; |
827 | if (mdic & E1000_MDICNFG_EXT_MDIO0x80000000) { |
828 | hw->media_type = em_media_type_copper; |
829 | hw->sgmii_active = TRUE1; |
830 | break; |
831 | } |
832 | /* FALLTHROUGH */ |
833 | case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES0x00C00000: |
834 | ctrl_ext |= E1000_CTRL_I2C_ENA0x02000000; |
835 | if (em_set_sfp_media_type_82575(hw) != 0) { |
836 | hw->media_type = em_media_type_internal_serdes; |
837 | if ((ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK0x00C00000) == |
838 | E1000_CTRL_EXT_LINK_MODE_SGMII0x00800000) { |
839 | hw->media_type = em_media_type_copper; |
840 | hw->sgmii_active = TRUE1; |
841 | } |
842 | } |
843 | |
844 | ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK0x00C00000; |
845 | if (hw->sgmii_active) |
846 | ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII0x00800000; |
847 | else |
848 | ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES0x00C00000; |
849 | break; |
850 | default: |
851 | ctrl_ext &= ~E1000_CTRL_I2C_ENA0x02000000; |
852 | break; |
853 | } |
854 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
855 | return; |
856 | } |
857 | |
858 | switch (hw->device_id) { |
859 | case E1000_DEV_ID_82545GM_SERDES0x1028: |
860 | case E1000_DEV_ID_82546GB_SERDES0x107B: |
861 | case E1000_DEV_ID_82571EB_SERDES0x1060: |
862 | case E1000_DEV_ID_82571EB_SERDES_DUAL0x10D9: |
863 | case E1000_DEV_ID_82571EB_SERDES_QUAD0x10DA: |
864 | case E1000_DEV_ID_82572EI_SERDES0x107F: |
865 | case E1000_DEV_ID_80003ES2LAN_SERDES_DPT0x1098: |
866 | hw->media_type = em_media_type_internal_serdes; |
867 | break; |
868 | case E1000_DEV_ID_EP80579_LAN_10x5040: |
869 | case E1000_DEV_ID_EP80579_LAN_20x5044: |
870 | case E1000_DEV_ID_EP80579_LAN_30x5048: |
871 | case E1000_DEV_ID_EP80579_LAN_40x5041: |
872 | case E1000_DEV_ID_EP80579_LAN_50x5045: |
873 | case E1000_DEV_ID_EP80579_LAN_60x5049: |
874 | hw->media_type = em_media_type_copper; |
875 | break; |
876 | default: |
877 | switch (hw->mac_type) { |
878 | case em_82542_rev2_0: |
879 | case em_82542_rev2_1: |
880 | hw->media_type = em_media_type_fiber; |
881 | break; |
882 | case em_ich8lan: |
883 | case em_ich9lan: |
884 | case em_ich10lan: |
885 | case em_pchlan: |
886 | case em_pch2lan: |
887 | case em_pch_lpt: |
888 | case em_pch_spt: |
889 | case em_pch_cnp: |
890 | case em_82573: |
891 | case em_82574: |
892 | /* |
893 | * The STATUS_TBIMODE bit is reserved or reused for |
894 | * the this device. |
895 | */ |
896 | hw->media_type = em_media_type_copper; |
897 | break; |
898 | default: |
899 | status = E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
900 | if (status & E1000_STATUS_TBIMODE0x00000020) { |
901 | hw->media_type = em_media_type_fiber; |
902 | /* tbi_compatibility not valid on fiber */ |
903 | hw->tbi_compatibility_en = FALSE0; |
904 | } else { |
905 | hw->media_type = em_media_type_copper; |
906 | } |
907 | break; |
908 | } |
909 | } |
910 | } |
911 | /****************************************************************************** |
912 | * Reset the transmit and receive units; mask and clear all interrupts. |
913 | * |
914 | * hw - Struct containing variables accessed by shared code |
915 | *****************************************************************************/ |
916 | int32_t |
917 | em_reset_hw(struct em_hw *hw) |
918 | { |
919 | uint32_t ctrl; |
920 | uint32_t ctrl_ext; |
921 | uint32_t icr; |
922 | uint32_t manc; |
923 | uint32_t led_ctrl; |
924 | uint32_t timeout; |
925 | uint32_t extcnf_ctrl; |
926 | int32_t ret_val; |
927 | DEBUGFUNC("em_reset_hw");; |
928 | |
929 | /* For 82542 (rev 2.0), disable MWI before issuing a device reset */ |
930 | if (hw->mac_type == em_82542_rev2_0) { |
931 | DEBUGOUT("Disabling MWI on 82542 rev 2.0\n"); |
932 | em_pci_clear_mwi(hw); |
933 | } |
934 | if (hw->bus_type == em_bus_type_pci_express) { |
935 | /* |
936 | * Prevent the PCI-E bus from sticking if there is no TLP |
937 | * connection on the last TLP read/write transaction when MAC |
938 | * is reset. |
939 | */ |
940 | if (em_disable_pciex_master(hw) != E1000_SUCCESS0) { |
941 | DEBUGOUT("PCI-E Master disable polling has failed.\n"); |
942 | } |
943 | } |
944 | |
945 | /* Set the completion timeout for 82575 chips */ |
946 | if (hw->mac_type == em_82575 || hw->mac_type == em_82580 || |
947 | hw->mac_type == em_82576 || |
948 | hw->mac_type == em_i210 || hw->mac_type == em_i350) { |
949 | ret_val = em_set_pciex_completion_timeout(hw); |
950 | if (ret_val) { |
951 | DEBUGOUT("PCI-E Set completion timeout has failed.\n"); |
952 | } |
953 | } |
954 | |
955 | /* Clear interrupt mask to stop board from generating interrupts */ |
956 | DEBUGOUT("Masking off all interrupts\n"); |
957 | E1000_WRITE_REG(hw, IMC, 0xffffffff)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000D8 : em_translate_82542_register (0x000D8))), (0xffffffff))); |
958 | /* |
959 | * Disable the Transmit and Receive units. Then delay to allow any |
960 | * pending transactions to complete before we hit the MAC with the |
961 | * global reset. |
962 | */ |
963 | E1000_WRITE_REG(hw, RCTL, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))), (0))); |
964 | E1000_WRITE_REG(hw, TCTL, E1000_TCTL_PSP)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))), (0x00000008))); |
965 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
966 | /* |
967 | * The tbi_compatibility_on Flag must be cleared when Rctl is |
968 | * cleared. |
969 | */ |
970 | hw->tbi_compatibility_on = FALSE0; |
971 | /* |
972 | * Delay to allow any outstanding PCI transactions to complete before |
973 | * resetting the device |
974 | */ |
975 | msec_delay(10)(*delay_func)(1000*(10)); |
976 | |
977 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
978 | |
979 | /* Must reset the PHY before resetting the MAC */ |
980 | if ((hw->mac_type == em_82541) || (hw->mac_type == em_82547)) { |
981 | E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_PHY_RST))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((ctrl | 0x80000000)))); |
982 | msec_delay(5)(*delay_func)(1000*(5)); |
983 | } |
984 | /* |
985 | * Must acquire the MDIO ownership before MAC reset. Ownership |
986 | * defaults to firmware after a reset. |
987 | */ |
988 | if ((hw->mac_type == em_82573) || (hw->mac_type == em_82574)) { |
989 | timeout = 10; |
990 | |
991 | extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00F00 : em_translate_82542_register (0x00F00))))); |
992 | extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP0x00000020; |
993 | |
994 | do { |
995 | E1000_WRITE_REG(hw, EXTCNF_CTRL, extcnf_ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00F00 : em_translate_82542_register (0x00F00))), (extcnf_ctrl))); |
996 | extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00F00 : em_translate_82542_register (0x00F00))))); |
997 | |
998 | if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP0x00000020) |
999 | break; |
1000 | else |
1001 | extcnf_ctrl |= |
1002 | E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP0x00000020; |
1003 | |
1004 | msec_delay(2)(*delay_func)(1000*(2)); |
1005 | timeout--; |
1006 | } while (timeout); |
1007 | } |
1008 | /* Workaround for ICH8 bit corruption issue in FIFO memory */ |
1009 | if (hw->mac_type == em_ich8lan) { |
1010 | /* Set Tx and Rx buffer allocation to 8k apiece. */ |
1011 | E1000_WRITE_REG(hw, PBA, E1000_PBA_8K)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01000 : em_translate_82542_register (0x01000))), (0x0008))); |
1012 | /* Set Packet Buffer Size to 16k. */ |
1013 | E1000_WRITE_REG(hw, PBS, E1000_PBS_16K)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01008 : em_translate_82542_register (0x01008))), (0x0010))); |
1014 | } |
1015 | /* |
1016 | * Issue a global reset to the MAC. This will reset the chip's |
1017 | * transmit, receive, DMA, and link units. It will not effect the |
1018 | * current PCI configuration. The global reset bit is self- |
1019 | * clearing, and should clear within a microsecond. |
1020 | */ |
1021 | DEBUGOUT("Issuing a global reset to MAC\n"); |
1022 | |
1023 | switch (hw->mac_type) { |
1024 | case em_82544: |
1025 | case em_82540: |
1026 | case em_82545: |
1027 | case em_82546: |
1028 | case em_82541: |
1029 | case em_82541_rev_2: |
1030 | /* |
1031 | * These controllers can't ack the 64-bit write when issuing |
1032 | * the reset, so use IO-mapping as a workaround to issue the |
1033 | * reset |
1034 | */ |
1035 | E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_RST))em_write_reg_io((hw), 0x00000, (ctrl | 0x04000000)); |
1036 | break; |
1037 | case em_82545_rev_3: |
1038 | case em_82546_rev_3: |
1039 | /* Reset is performed on a shadow of the control register */ |
1040 | E1000_WRITE_REG(hw, CTRL_DUP, (ctrl | E1000_CTRL_RST))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00004 : em_translate_82542_register (0x00004))), ((ctrl | 0x04000000)))); |
1041 | break; |
1042 | case em_ich8lan: |
1043 | case em_ich9lan: |
1044 | case em_ich10lan: |
1045 | case em_pchlan: |
1046 | case em_pch2lan: |
1047 | case em_pch_lpt: |
1048 | case em_pch_spt: |
1049 | case em_pch_cnp: |
1050 | if (!hw->phy_reset_disable && |
1051 | em_check_phy_reset_block(hw) == E1000_SUCCESS0) { |
1052 | /* |
1053 | * PHY HW reset requires MAC CORE reset at the same |
1054 | * time to make sure the interface between MAC and |
1055 | * the external PHY is reset. |
1056 | */ |
1057 | ctrl |= E1000_CTRL_PHY_RST0x80000000; |
1058 | /* |
1059 | * Gate automatic PHY configuration by hardware on |
1060 | * non-managed 82579 |
1061 | */ |
1062 | if ((hw->mac_type == em_pch2lan) && |
1063 | !(E1000_READ_REG(hw, FWSM)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B54 : em_translate_82542_register (0x05B54))))) & E1000_FWSM_FW_VALID0x00008000)) { |
1064 | em_gate_hw_phy_config_ich8lan(hw, TRUE1); |
1065 | } |
1066 | } |
1067 | em_get_software_flag(hw); |
1068 | E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_RST))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((ctrl | 0x04000000)))); |
1069 | /* HW reset releases software_flag */ |
1070 | hw->sw_flag = 0; |
1071 | msec_delay(20)(*delay_func)(1000*(20)); |
1072 | |
1073 | /* Ungate automatic PHY configuration on non-managed 82579 */ |
1074 | if (hw->mac_type == em_pch2lan && !hw->phy_reset_disable && |
1075 | !(E1000_READ_REG(hw, FWSM)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B54 : em_translate_82542_register (0x05B54))))) & E1000_FWSM_FW_VALID0x00008000)) { |
1076 | msec_delay(10)(*delay_func)(1000*(10)); |
1077 | em_gate_hw_phy_config_ich8lan(hw, FALSE0); |
1078 | } |
1079 | break; |
1080 | default: |
1081 | E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_RST))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((ctrl | 0x04000000)))); |
1082 | break; |
1083 | } |
1084 | |
1085 | if (em_check_phy_reset_block(hw) == E1000_SUCCESS0) { |
1086 | if (hw->mac_type == em_pchlan) { |
1087 | ret_val = em_hv_phy_workarounds_ich8lan(hw); |
1088 | if (ret_val) |
1089 | return ret_val; |
1090 | } |
1091 | else if (hw->mac_type == em_pch2lan) { |
1092 | ret_val = em_lv_phy_workarounds_ich8lan(hw); |
1093 | if (ret_val) |
1094 | return ret_val; |
1095 | } |
1096 | } |
1097 | |
1098 | /* |
1099 | * After MAC reset, force reload of EEPROM to restore power-on |
1100 | * settings to device. Later controllers reload the EEPROM |
1101 | * automatically, so just wait for reload to complete. |
1102 | */ |
1103 | switch (hw->mac_type) { |
1104 | case em_82542_rev2_0: |
1105 | case em_82542_rev2_1: |
1106 | case em_82543: |
1107 | case em_82544: |
1108 | /* Wait for reset to complete */ |
1109 | usec_delay(10)(*delay_func)(10); |
1110 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1111 | ctrl_ext |= E1000_CTRL_EXT_EE_RST0x00002000; |
1112 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
1113 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1114 | /* Wait for EEPROM reload */ |
1115 | msec_delay(2)(*delay_func)(1000*(2)); |
1116 | break; |
1117 | case em_82541: |
1118 | case em_82541_rev_2: |
1119 | case em_82547: |
1120 | case em_82547_rev_2: |
1121 | /* Wait for EEPROM reload */ |
1122 | msec_delay(20)(*delay_func)(1000*(20)); |
1123 | break; |
1124 | case em_82573: |
1125 | case em_82574: |
1126 | if (em_is_onboard_nvm_eeprom(hw) == FALSE0) { |
1127 | usec_delay(10)(*delay_func)(10); |
1128 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1129 | ctrl_ext |= E1000_CTRL_EXT_EE_RST0x00002000; |
1130 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
1131 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1132 | } |
1133 | /* FALLTHROUGH */ |
1134 | |
1135 | /* Auto read done will delay 5ms or poll based on mac type */ |
1136 | ret_val = em_get_auto_rd_done(hw); |
1137 | if (ret_val) |
1138 | return ret_val; |
1139 | break; |
1140 | default: |
1141 | /* Wait for EEPROM reload (it happens automatically) */ |
1142 | msec_delay(5)(*delay_func)(1000*(5)); |
1143 | break; |
1144 | } |
1145 | |
1146 | /* Disable HW ARPs on ASF enabled adapters */ |
1147 | if (hw->mac_type >= em_82540 && hw->mac_type <= em_82547_rev_2 && |
1148 | hw->mac_type != em_icp_xxxx) { |
1149 | manc = E1000_READ_REG(hw, MANC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05820 : em_translate_82542_register (0x05820))))); |
1150 | manc &= ~(E1000_MANC_ARP_EN0x00002000); |
1151 | E1000_WRITE_REG(hw, MANC, manc)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05820 : em_translate_82542_register (0x05820))), (manc))); |
1152 | } |
1153 | if ((hw->mac_type == em_82541) || (hw->mac_type == em_82547)) { |
1154 | em_phy_init_script(hw); |
1155 | |
1156 | /* Configure activity LED after PHY reset */ |
1157 | led_ctrl = E1000_READ_REG(hw, LEDCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E00 : em_translate_82542_register (0x00E00))))); |
1158 | led_ctrl &= IGP_ACTIVITY_LED_MASK0xFFFFF0FF; |
1159 | led_ctrl |= (IGP_ACTIVITY_LED_ENABLE0x0300 | IGP_LED3_MODE0x07000000); |
1160 | E1000_WRITE_REG(hw, LEDCTL, led_ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E00 : em_translate_82542_register (0x00E00))), (led_ctrl))); |
1161 | } |
1162 | |
1163 | /* |
1164 | * For PCH, this write will make sure that any noise |
1165 | * will be detected as a CRC error and be dropped rather than show up |
1166 | * as a bad packet to the DMA engine. |
1167 | */ |
1168 | if (hw->mac_type == em_pchlan) |
1169 | E1000_WRITE_REG(hw, CRC_OFFSET, 0x65656565)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05F50 : em_translate_82542_register (0x05F50))), (0x65656565))); |
1170 | |
1171 | /* Clear interrupt mask to stop board from generating interrupts */ |
1172 | DEBUGOUT("Masking off all interrupts\n"); |
1173 | E1000_WRITE_REG(hw, IMC, 0xffffffff)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000D8 : em_translate_82542_register (0x000D8))), (0xffffffff))); |
1174 | |
1175 | /* Clear any pending interrupt events. */ |
1176 | icr = E1000_READ_REG(hw, ICR)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000C0 : em_translate_82542_register (0x000C0))))); |
1177 | |
1178 | /* If MWI was previously enabled, reenable it. */ |
1179 | if (hw->mac_type == em_82542_rev2_0) { |
1180 | if (hw->pci_cmd_word & CMD_MEM_WRT_INVALIDATE0x0010) |
1181 | em_pci_set_mwi(hw); |
1182 | } |
1183 | if (IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) { |
1184 | uint32_t kab = E1000_READ_REG(hw, KABGTXD)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03004 : em_translate_82542_register (0x03004))))); |
1185 | kab |= E1000_KABGTXD_BGSQLBIAS0x00050000; |
1186 | E1000_WRITE_REG(hw, KABGTXD, kab)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03004 : em_translate_82542_register (0x03004))), (kab))); |
1187 | } |
1188 | |
1189 | if (hw->mac_type == em_82580 || hw->mac_type == em_i350) { |
1190 | uint32_t mdicnfg; |
1191 | uint16_t nvm_data; |
1192 | |
1193 | /* clear global device reset status bit */ |
1194 | EM_WRITE_REG(hw, E1000_STATUS, E1000_STATUS_DEV_RST_SET)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (0x00008), (0x00100000))); |
1195 | |
1196 | em_read_eeprom(hw, EEPROM_INIT_CONTROL3_PORT_A0x0024 + |
1197 | NVM_82580_LAN_FUNC_OFFSET(hw->bus_func)(hw->bus_func ? (0x40 + (0x40 * hw->bus_func)) : 0), 1, |
1198 | &nvm_data); |
1199 | |
1200 | mdicnfg = EM_READ_REG(hw, E1000_MDICNFG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (0x00E04))); |
1201 | if (nvm_data & NVM_WORD24_EXT_MDIO0x0004) |
1202 | mdicnfg |= E1000_MDICNFG_EXT_MDIO0x80000000; |
1203 | if (nvm_data & NVM_WORD24_COM_MDIO0x0008) |
1204 | mdicnfg |= E1000_MDICNFG_COM_MDIO0x40000000; |
1205 | EM_WRITE_REG(hw, E1000_MDICNFG, mdicnfg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (0x00E04), (mdicnfg))); |
1206 | } |
1207 | |
1208 | if (hw->mac_type == em_i210 || hw->mac_type == em_i350) |
1209 | em_set_eee_i350(hw); |
1210 | |
1211 | return E1000_SUCCESS0; |
1212 | } |
1213 | |
1214 | /****************************************************************************** |
1215 | * |
1216 | * Initialize a number of hardware-dependent bits |
1217 | * |
1218 | * hw: Struct containing variables accessed by shared code |
1219 | * |
1220 | *****************************************************************************/ |
1221 | STATIC void |
1222 | em_initialize_hardware_bits(struct em_softc *sc) |
1223 | { |
1224 | struct em_hw *hw = &sc->hw; |
1225 | struct em_queue *que; |
1226 | |
1227 | DEBUGFUNC("em_initialize_hardware_bits");; |
1228 | |
1229 | if ((hw->mac_type >= em_82571) && (!hw->initialize_hw_bits_disable)) { |
1230 | /* Settings common to all silicon */ |
1231 | uint32_t reg_ctrl, reg_ctrl_ext; |
1232 | uint32_t reg_tarc0, reg_tarc1; |
1233 | uint32_t reg_tctl; |
1234 | uint32_t reg_txdctl; |
1235 | reg_tarc0 = E1000_READ_REG(hw, TARC0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03840 : em_translate_82542_register (0x03840))))); |
1236 | reg_tarc0 &= ~0x78000000; /* Clear bits 30, 29, 28, and |
1237 | * 27 */ |
1238 | FOREACH_QUEUE(sc, que)for ((que) = (sc)->queues; (que) < ((sc)->queues + ( sc)->num_queues); (que)++) { |
1239 | reg_txdctl = E1000_READ_REG(hw, TXDCTL(que->me))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que->me ) * 0x40))) : em_translate_82542_register(((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que-> me) * 0x40)))))))); |
1240 | reg_txdctl |= E1000_TXDCTL_COUNT_DESC0x00400000; /* Set bit 22 */ |
1241 | E1000_WRITE_REG(hw, TXDCTL(que->me), reg_txdctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que->me ) * 0x40))) : em_translate_82542_register(((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que-> me) * 0x40)))))), (reg_txdctl))); |
1242 | } |
1243 | |
1244 | /* |
1245 | * Old code always initialized queue 1, |
1246 | * even when unused, keep behaviour |
1247 | */ |
1248 | if (sc->num_queues == 1) { |
1249 | reg_txdctl = E1000_READ_REG(hw, TXDCTL(1))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40))) : em_translate_82542_register (((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40 )))))))); |
1250 | reg_txdctl |= E1000_TXDCTL_COUNT_DESC0x00400000; |
1251 | E1000_WRITE_REG(hw, TXDCTL(1), reg_txdctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40))) : em_translate_82542_register (((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40 )))))), (reg_txdctl))); |
1252 | } |
1253 | |
1254 | switch (hw->mac_type) { |
1255 | case em_82571: |
1256 | case em_82572: |
1257 | reg_tarc1 = E1000_READ_REG(hw, TARC1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))))); |
1258 | reg_tctl = E1000_READ_REG(hw, TCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))))); |
1259 | |
1260 | /* Set the phy Tx compatible mode bits */ |
1261 | reg_tarc1 &= ~0x60000000; /* Clear bits 30 and 29 */ |
1262 | |
1263 | reg_tarc0 |= 0x07800000; /* Set TARC0 bits 23-26 */ |
1264 | reg_tarc1 |= 0x07000000; /* Set TARC1 bits 24-26 */ |
1265 | |
1266 | if (reg_tctl & E1000_TCTL_MULR0x10000000) |
1267 | /* Clear bit 28 if MULR is 1b */ |
1268 | reg_tarc1 &= ~0x10000000; |
1269 | else |
1270 | /* Set bit 28 if MULR is 0b */ |
1271 | reg_tarc1 |= 0x10000000; |
1272 | |
1273 | E1000_WRITE_REG(hw, TARC1, reg_tarc1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))), (reg_tarc1))); |
1274 | break; |
1275 | case em_82573: |
1276 | case em_82574: |
1277 | reg_ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1278 | reg_ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
1279 | |
1280 | reg_ctrl_ext &= ~0x00800000; /* Clear bit 23 */ |
1281 | reg_ctrl_ext |= 0x00400000; /* Set bit 22 */ |
1282 | reg_ctrl &= ~0x20000000; /* Clear bit 29 */ |
1283 | |
1284 | E1000_WRITE_REG(hw, CTRL_EXT, reg_ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (reg_ctrl_ext))); |
1285 | E1000_WRITE_REG(hw, CTRL, reg_ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (reg_ctrl))); |
1286 | break; |
1287 | case em_80003es2lan: |
1288 | if ((hw->media_type == em_media_type_fiber) || |
1289 | (hw->media_type == em_media_type_internal_serdes)) { |
1290 | /* Clear bit 20 */ |
1291 | reg_tarc0 &= ~0x00100000; |
1292 | } |
1293 | reg_tctl = E1000_READ_REG(hw, TCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))))); |
1294 | reg_tarc1 = E1000_READ_REG(hw, TARC1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))))); |
1295 | if (reg_tctl & E1000_TCTL_MULR0x10000000) |
1296 | /* Clear bit 28 if MULR is 1b */ |
1297 | reg_tarc1 &= ~0x10000000; |
1298 | else |
1299 | /* Set bit 28 if MULR is 0b */ |
1300 | reg_tarc1 |= 0x10000000; |
1301 | |
1302 | E1000_WRITE_REG(hw, TARC1, reg_tarc1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))), (reg_tarc1))); |
1303 | break; |
1304 | case em_ich8lan: |
1305 | case em_ich9lan: |
1306 | case em_ich10lan: |
1307 | case em_pchlan: |
1308 | case em_pch2lan: |
1309 | case em_pch_lpt: |
1310 | case em_pch_spt: |
1311 | case em_pch_cnp: |
1312 | if (hw->mac_type == em_ich8lan) |
1313 | /* Set TARC0 bits 29 and 28 */ |
1314 | reg_tarc0 |= 0x30000000; |
1315 | |
1316 | reg_ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1317 | reg_ctrl_ext |= 0x00400000; /* Set bit 22 */ |
1318 | /* Enable PHY low-power state when MAC is at D3 w/o WoL */ |
1319 | if (hw->mac_type >= em_pchlan) |
1320 | reg_ctrl_ext |= E1000_CTRL_EXT_PHYPDEN0x00100000; |
1321 | E1000_WRITE_REG(hw, CTRL_EXT, reg_ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (reg_ctrl_ext))); |
1322 | |
1323 | reg_tarc0 |= 0x0d800000; /* Set TARC0 bits 23, |
1324 | * 24, 26, 27 */ |
1325 | |
1326 | reg_tarc1 = E1000_READ_REG(hw, TARC1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))))); |
1327 | reg_tctl = E1000_READ_REG(hw, TCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))))); |
1328 | |
1329 | if (reg_tctl & E1000_TCTL_MULR0x10000000) |
1330 | /* Clear bit 28 if MULR is 1b */ |
1331 | reg_tarc1 &= ~0x10000000; |
1332 | else |
1333 | /* Set bit 28 if MULR is 0b */ |
1334 | reg_tarc1 |= 0x10000000; |
1335 | |
1336 | reg_tarc1 |= 0x45000000; /* Set bit 24, 26 and |
1337 | * 30 */ |
1338 | |
1339 | E1000_WRITE_REG(hw, TARC1, reg_tarc1)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03940 : em_translate_82542_register (0x03940))), (reg_tarc1))); |
1340 | break; |
1341 | default: |
1342 | break; |
1343 | } |
1344 | |
1345 | E1000_WRITE_REG(hw, TARC0, reg_tarc0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x03840 : em_translate_82542_register (0x03840))), (reg_tarc0))); |
1346 | } |
1347 | } |
1348 | |
1349 | /** |
1350 | * e1000_toggle_lanphypc_pch_lpt - toggle the LANPHYPC pin value |
1351 | * @hw: pointer to the HW structure |
1352 | * |
1353 | * Toggling the LANPHYPC pin value fully power-cycles the PHY and is |
1354 | * used to reset the PHY to a quiescent state when necessary. |
1355 | **/ |
1356 | static void |
1357 | em_toggle_lanphypc_pch_lpt(struct em_hw *hw) |
1358 | { |
1359 | uint32_t mac_reg; |
1360 | |
1361 | DEBUGFUNC("e1000_toggle_lanphypc_pch_lpt");; |
1362 | |
1363 | /* Set Phy Config Counter to 50msec */ |
1364 | mac_reg = E1000_READ_REG(hw, FEXTNVM3)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x0003C : em_translate_82542_register (0x0003C))))); |
1365 | mac_reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK0x0C000000; |
1366 | mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC0x08000000; |
1367 | E1000_WRITE_REG(hw, FEXTNVM3, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x0003C : em_translate_82542_register (0x0003C))), (mac_reg))); |
1368 | |
1369 | /* Toggle LANPHYPC Value bit */ |
1370 | mac_reg = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
1371 | mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE0x00010000; |
1372 | mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE0x00020000; |
1373 | E1000_WRITE_REG(hw, CTRL, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (mac_reg))); |
1374 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1375 | msec_delay(1)(*delay_func)(1000*(1)); |
1376 | mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE0x00010000; |
1377 | E1000_WRITE_REG(hw, CTRL, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (mac_reg))); |
1378 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1379 | |
1380 | if (hw->mac_type < em_pch_lpt) { |
1381 | msec_delay(50)(*delay_func)(1000*(50)); |
1382 | } else { |
1383 | uint16_t count = 20; |
1384 | |
1385 | do { |
1386 | msec_delay(5)(*delay_func)(1000*(5)); |
1387 | } while (!(E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))) & |
1388 | E1000_CTRL_EXT_LPCD0x00000004) && count--); |
1389 | |
1390 | msec_delay(30)(*delay_func)(1000*(30)); |
1391 | } |
1392 | } |
1393 | |
1394 | /** |
1395 | * em_disable_ulp_lpt_lp - unconfigure Ultra Low Power mode for LynxPoint-LP |
1396 | * @hw: pointer to the HW structure |
1397 | * @force: boolean indicating whether or not to force disabling ULP |
1398 | * |
1399 | * Un-configure ULP mode when link is up, the system is transitioned from |
1400 | * Sx or the driver is unloaded. If on a Manageability Engine (ME) enabled |
1401 | * system, poll for an indication from ME that ULP has been un-configured. |
1402 | * If not on an ME enabled system, un-configure the ULP mode by software. |
1403 | * |
1404 | * During nominal operation, this function is called when link is acquired |
1405 | * to disable ULP mode (force=FALSE); otherwise, for example when unloading |
1406 | * the driver or during Sx->S0 transitions, this is called with force=TRUE |
1407 | * to forcibly disable ULP. |
1408 | */ |
1409 | static int |
1410 | em_disable_ulp_lpt_lp(struct em_hw *hw, bool_Bool force) |
1411 | { |
1412 | int ret_val = E1000_SUCCESS0; |
1413 | uint32_t mac_reg; |
1414 | uint16_t phy_reg; |
1415 | int i = 0; |
1416 | |
1417 | if ((hw->mac_type < em_pch_lpt) || |
1418 | (hw->device_id == E1000_DEV_ID_PCH_LPT_I217_LM0x153A) || |
1419 | (hw->device_id == E1000_DEV_ID_PCH_LPT_I217_V0x153B) || |
1420 | (hw->device_id == E1000_DEV_ID_PCH_I218_LM20x15A0) || |
1421 | (hw->device_id == E1000_DEV_ID_PCH_I218_V20x15A1)) |
1422 | return 0; |
1423 | |
1424 | if (E1000_READ_REG(hw, FWSM)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B54 : em_translate_82542_register (0x05B54))))) & E1000_FWSM_FW_VALID0x00008000) { |
1425 | if (force) { |
1426 | /* Request ME un-configure ULP mode in the PHY */ |
1427 | mac_reg = E1000_READ_REG(hw, H2ME)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))))); |
1428 | mac_reg &= ~E1000_H2ME_ULP0x00000800; |
1429 | mac_reg |= E1000_H2ME_ENFORCE_SETTINGS0x00001000; |
1430 | E1000_WRITE_REG(hw, H2ME, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))), (mac_reg))); |
1431 | } |
1432 | |
1433 | /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */ |
1434 | while (E1000_READ_REG(hw, FWSM)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B54 : em_translate_82542_register (0x05B54))))) & E1000_FWSM_ULP_CFG_DONE0x00000400) { |
1435 | if (i++ == 30) { |
1436 | ret_val = -E1000_ERR_PHY2; |
1437 | goto out; |
1438 | } |
1439 | |
1440 | msec_delay(10)(*delay_func)(1000*(10)); |
1441 | } |
1442 | DEBUGOUT1("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10); |
1443 | |
1444 | if (force) { |
1445 | mac_reg = E1000_READ_REG(hw, H2ME)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))))); |
1446 | mac_reg &= ~E1000_H2ME_ENFORCE_SETTINGS0x00001000; |
1447 | E1000_WRITE_REG(hw, H2ME, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))), (mac_reg))); |
1448 | } else { |
1449 | /* Clear H2ME.ULP after ME ULP configuration */ |
1450 | mac_reg = E1000_READ_REG(hw, H2ME)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))))); |
1451 | mac_reg &= ~E1000_H2ME_ULP0x00000800; |
1452 | E1000_WRITE_REG(hw, H2ME, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B50 : em_translate_82542_register (0x05B50))), (mac_reg))); |
1453 | } |
1454 | |
1455 | goto out; |
1456 | } |
1457 | |
1458 | ret_val = em_get_software_flag(hw); |
1459 | if (ret_val) |
1460 | goto out; |
1461 | |
1462 | if (force) |
1463 | /* Toggle LANPHYPC Value bit */ |
1464 | em_toggle_lanphypc_pch_lpt(hw); |
1465 | |
1466 | /* Unforce SMBus mode in PHY */ |
1467 | ret_val = em_read_phy_reg(hw, CV_SMB_CTRL(((769) << 5) | ((23) & 0x1F)), &phy_reg); |
1468 | if (ret_val) { |
1469 | /* The MAC might be in PCIe mode, so temporarily force to |
1470 | * SMBus mode in order to access the PHY. |
1471 | */ |
1472 | mac_reg = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1473 | mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS0x00000800; |
1474 | E1000_WRITE_REG(hw, CTRL_EXT, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (mac_reg))); |
1475 | |
1476 | msec_delay(50)(*delay_func)(1000*(50)); |
1477 | |
1478 | ret_val = em_read_phy_reg(hw, CV_SMB_CTRL(((769) << 5) | ((23) & 0x1F)), &phy_reg); |
1479 | if (ret_val) |
1480 | goto release; |
1481 | } |
1482 | phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS0x0001; |
1483 | em_write_phy_reg(hw, CV_SMB_CTRL(((769) << 5) | ((23) & 0x1F)), phy_reg); |
1484 | |
1485 | /* Unforce SMBus mode in MAC */ |
1486 | mac_reg = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1487 | mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS0x00000800; |
1488 | E1000_WRITE_REG(hw, CTRL_EXT, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (mac_reg))); |
1489 | |
1490 | /* When ULP mode was previously entered, K1 was disabled by the |
1491 | * hardware. Re-Enable K1 in the PHY when exiting ULP. |
1492 | */ |
1493 | ret_val = em_read_phy_reg(hw, HV_PM_CTRL(((770) << 5) | ((17) & 0x1F)), &phy_reg); |
1494 | if (ret_val) |
1495 | goto release; |
1496 | phy_reg |= HV_PM_CTRL_K1_ENABLE0x4000; |
1497 | em_write_phy_reg(hw, HV_PM_CTRL(((770) << 5) | ((17) & 0x1F)), phy_reg); |
1498 | |
1499 | /* Clear ULP enabled configuration */ |
1500 | ret_val = em_read_phy_reg(hw, I218_ULP_CONFIG1(((779) << 5) | ((16) & 0x1F)), &phy_reg); |
1501 | if (ret_val) |
1502 | goto release; |
1503 | phy_reg &= ~(I218_ULP_CONFIG1_IND0x0004 | |
1504 | I218_ULP_CONFIG1_STICKY_ULP0x0010 | |
1505 | I218_ULP_CONFIG1_RESET_TO_SMBUS0x0100 | |
1506 | I218_ULP_CONFIG1_WOL_HOST0x0040 | |
1507 | I218_ULP_CONFIG1_INBAND_EXIT0x0020 | |
1508 | I218_ULP_CONFIG1_EN_ULP_LANPHYPC0x0400 | |
1509 | I218_ULP_CONFIG1_DIS_CLR_STICKY_ON_PERST0x0800 | |
1510 | I218_ULP_CONFIG1_DISABLE_SMB_PERST0x1000); |
1511 | em_write_phy_reg(hw, I218_ULP_CONFIG1(((779) << 5) | ((16) & 0x1F)), phy_reg); |
1512 | |
1513 | /* Commit ULP changes by starting auto ULP configuration */ |
1514 | phy_reg |= I218_ULP_CONFIG1_START0x0001; |
1515 | em_write_phy_reg(hw, I218_ULP_CONFIG1(((779) << 5) | ((16) & 0x1F)), phy_reg); |
1516 | |
1517 | /* Clear Disable SMBus Release on PERST# in MAC */ |
1518 | mac_reg = E1000_READ_REG(hw, FEXTNVM7)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0xe4UL : em_translate_82542_register (0xe4UL))))); |
1519 | mac_reg &= ~E1000_FEXTNVM7_DISABLE_SMB_PERST0x00000020; |
1520 | E1000_WRITE_REG(hw, FEXTNVM7, mac_reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0xe4UL : em_translate_82542_register (0xe4UL))), (mac_reg))); |
1521 | |
1522 | release: |
1523 | em_release_software_flag(hw); |
1524 | if (force) { |
1525 | em_phy_reset(hw); |
1526 | msec_delay(50)(*delay_func)(1000*(50)); |
1527 | } |
1528 | out: |
1529 | if (ret_val) |
1530 | DEBUGOUT1("Error in ULP disable flow: %d\n", ret_val); |
1531 | |
1532 | return ret_val; |
1533 | } |
1534 | |
1535 | /****************************************************************************** |
1536 | * Performs basic configuration of the adapter. |
1537 | * |
1538 | * hw - Struct containing variables accessed by shared code |
1539 | * |
1540 | * Assumes that the controller has previously been reset and is in a |
1541 | * post-reset uninitialized state. Initializes the receive address registers, |
1542 | * multicast table, and VLAN filter table. Calls routines to setup link |
1543 | * configuration and flow control settings. Clears all on-chip counters. Leaves |
1544 | * the transmit and receive units disabled and uninitialized. |
1545 | *****************************************************************************/ |
1546 | int32_t |
1547 | em_init_hw(struct em_softc *sc) |
1548 | { |
1549 | struct em_hw *hw = &sc->hw; |
1550 | struct em_queue *que; |
1551 | uint32_t ctrl; |
1552 | uint32_t i; |
1553 | int32_t ret_val; |
1554 | uint16_t pcix_cmd_word; |
1555 | uint16_t pcix_stat_hi_word; |
1556 | uint16_t cmd_mmrbc; |
1557 | uint16_t stat_mmrbc; |
1558 | uint32_t mta_size; |
1559 | uint32_t reg_data; |
1560 | uint32_t ctrl_ext; |
1561 | uint32_t snoop; |
1562 | uint32_t fwsm; |
1563 | DEBUGFUNC("em_init_hw");; |
1564 | |
1565 | /* force full DMA clock frequency for ICH8 */ |
1566 | if (hw->mac_type == em_ich8lan) { |
1567 | reg_data = E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1568 | reg_data &= ~0x80000000; |
1569 | E1000_WRITE_REG(hw, STATUS, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))), (reg_data))); |
1570 | } |
1571 | |
1572 | if (hw->mac_type == em_pchlan || |
1573 | hw->mac_type == em_pch2lan || |
1574 | hw->mac_type == em_pch_lpt || |
1575 | hw->mac_type == em_pch_spt || |
1576 | hw->mac_type == em_pch_cnp) { |
1577 | /* |
1578 | * The MAC-PHY interconnect may still be in SMBus mode |
1579 | * after Sx->S0. Toggle the LANPHYPC Value bit to force |
1580 | * the interconnect to PCIe mode, but only if there is no |
1581 | * firmware present otherwise firmware will have done it. |
1582 | */ |
1583 | fwsm = E1000_READ_REG(hw, FWSM)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B54 : em_translate_82542_register (0x05B54))))); |
1584 | if ((fwsm & E1000_FWSM_FW_VALID0x00008000) == 0) { |
1585 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
1586 | ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE0x00010000; |
1587 | ctrl &= ~E1000_CTRL_LANPHYPC_VALUE0x00020000; |
1588 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
1589 | usec_delay(10)(*delay_func)(10); |
1590 | ctrl &= ~E1000_CTRL_LANPHYPC_OVERRIDE0x00010000; |
1591 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
1592 | msec_delay(50)(*delay_func)(1000*(50)); |
1593 | } |
1594 | |
1595 | /* Gate automatic PHY configuration on non-managed 82579 */ |
1596 | if (hw->mac_type == em_pch2lan) |
1597 | em_gate_hw_phy_config_ich8lan(hw, TRUE1); |
1598 | |
1599 | em_disable_ulp_lpt_lp(hw, TRUE1); |
1600 | /* |
1601 | * Reset the PHY before any access to it. Doing so, |
1602 | * ensures that the PHY is in a known good state before |
1603 | * we read/write PHY registers. The generic reset is |
1604 | * sufficient here, because we haven't determined |
1605 | * the PHY type yet. |
1606 | */ |
1607 | em_phy_reset(hw); |
1608 | |
1609 | /* Ungate automatic PHY configuration on non-managed 82579 */ |
1610 | if (hw->mac_type == em_pch2lan && |
1611 | (fwsm & E1000_FWSM_FW_VALID0x00008000) == 0) |
1612 | em_gate_hw_phy_config_ich8lan(hw, FALSE0); |
1613 | |
1614 | /* Set MDIO slow mode before any other MDIO access */ |
1615 | ret_val = em_set_mdio_slow_mode_hv(hw); |
1616 | if (ret_val) |
1617 | return ret_val; |
1618 | } |
1619 | |
1620 | /* Initialize Identification LED */ |
1621 | ret_val = em_id_led_init(hw); |
1622 | if (ret_val) { |
1623 | DEBUGOUT("Error Initializing Identification LED\n"); |
1624 | return ret_val; |
1625 | } |
1626 | /* Set the media type and TBI compatibility */ |
1627 | em_set_media_type(hw); |
1628 | |
1629 | /* Magic delay that improves problems with i219LM on HP Elitebook */ |
1630 | msec_delay(1)(*delay_func)(1000*(1)); |
1631 | /* Must be called after em_set_media_type because media_type is used */ |
1632 | em_initialize_hardware_bits(sc); |
1633 | |
1634 | /* Disabling VLAN filtering. */ |
1635 | DEBUGOUT("Initializing the IEEE VLAN\n"); |
1636 | /* VET hardcoded to standard value and VFTA removed in ICH8/ICH9 LAN */ |
1637 | if (!IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) { |
1638 | if (hw->mac_type < em_82545_rev_3) |
1639 | E1000_WRITE_REG(hw, VET, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00038 : em_translate_82542_register (0x00038))), (0))); |
1640 | if (hw->mac_type == em_i350) |
1641 | em_clear_vfta_i350(hw); |
1642 | else |
1643 | em_clear_vfta(hw); |
1644 | } |
1645 | /* For 82542 (rev 2.0), disable MWI and put the receiver into reset */ |
1646 | if (hw->mac_type == em_82542_rev2_0) { |
1647 | DEBUGOUT("Disabling MWI on 82542 rev 2.0\n"); |
1648 | em_pci_clear_mwi(hw); |
1649 | E1000_WRITE_REG(hw, RCTL, E1000_RCTL_RST)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))), (0x00000001))); |
1650 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1651 | msec_delay(5)(*delay_func)(1000*(5)); |
1652 | } |
1653 | /* |
1654 | * Setup the receive address. This involves initializing all of the |
1655 | * Receive Address Registers (RARs 0 - 15). |
1656 | */ |
1657 | em_init_rx_addrs(hw); |
1658 | |
1659 | /* For 82542 (rev 2.0), take the receiver out of reset and enable MWI*/ |
1660 | if (hw->mac_type == em_82542_rev2_0) { |
1661 | E1000_WRITE_REG(hw, RCTL, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))), (0))); |
1662 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1663 | msec_delay(1)(*delay_func)(1000*(1)); |
1664 | if (hw->pci_cmd_word & CMD_MEM_WRT_INVALIDATE0x0010) |
1665 | em_pci_set_mwi(hw); |
1666 | } |
1667 | /* Zero out the Multicast HASH table */ |
1668 | DEBUGOUT("Zeroing the MTA\n"); |
1669 | mta_size = E1000_MC_TBL_SIZE128; |
1670 | if (IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) |
1671 | mta_size = E1000_MC_TBL_SIZE_ICH8LAN32; |
1672 | for (i = 0; i < mta_size; i++) { |
1673 | E1000_WRITE_REG_ARRAY(hw, MTA, i, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05200 : em_translate_82542_register (0x05200)) + ((i) << 2)), (0))); |
1674 | /* |
1675 | * use write flush to prevent Memory Write Block (MWB) from |
1676 | * occurring when accessing our register space |
1677 | */ |
1678 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
1679 | } |
1680 | /* |
1681 | * Set the PCI priority bit correctly in the CTRL register. This |
1682 | * determines if the adapter gives priority to receives, or if it |
1683 | * gives equal priority to transmits and receives. Valid only on |
1684 | * 82542 and 82543 silicon. |
1685 | */ |
1686 | if (hw->dma_fairness && hw->mac_type <= em_82543) { |
1687 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
1688 | E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PRIOR)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl | 0x00000004))); |
1689 | } |
1690 | switch (hw->mac_type) { |
1691 | case em_82545_rev_3: |
1692 | case em_82546_rev_3: |
1693 | break; |
1694 | default: |
1695 | /* |
1696 | * Workaround for PCI-X problem when BIOS sets MMRBC |
1697 | * incorrectly. |
1698 | */ |
1699 | if (hw->bus_type == em_bus_type_pcix) { |
1700 | em_read_pci_cfg(hw, PCIX_COMMAND_REGISTER0xE6, |
1701 | &pcix_cmd_word); |
1702 | em_read_pci_cfg(hw, PCIX_STATUS_REGISTER_HI0xEA, |
1703 | &pcix_stat_hi_word); |
1704 | cmd_mmrbc = (pcix_cmd_word & PCIX_COMMAND_MMRBC_MASK0x000C) |
1705 | >> PCIX_COMMAND_MMRBC_SHIFT0x2; |
1706 | stat_mmrbc = (pcix_stat_hi_word & |
1707 | PCIX_STATUS_HI_MMRBC_MASK0x0060) >> |
1708 | PCIX_STATUS_HI_MMRBC_SHIFT0x5; |
1709 | |
1710 | if (stat_mmrbc == PCIX_STATUS_HI_MMRBC_4K0x3) |
1711 | stat_mmrbc = PCIX_STATUS_HI_MMRBC_2K0x2; |
1712 | if (cmd_mmrbc > stat_mmrbc) { |
1713 | pcix_cmd_word &= ~PCIX_COMMAND_MMRBC_MASK0x000C; |
1714 | pcix_cmd_word |= stat_mmrbc << |
1715 | PCIX_COMMAND_MMRBC_SHIFT0x2; |
1716 | em_write_pci_cfg(hw, PCIX_COMMAND_REGISTER0xE6, |
1717 | &pcix_cmd_word); |
1718 | } |
1719 | } |
1720 | break; |
1721 | } |
1722 | |
1723 | /* More time needed for PHY to initialize */ |
1724 | if (IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) |
1725 | msec_delay(15)(*delay_func)(1000*(15)); |
1726 | |
1727 | /* |
1728 | * The 82578 Rx buffer will stall if wakeup is enabled in host and |
1729 | * the ME. Reading the BM_WUC register will clear the host wakeup bit. |
1730 | * Reset the phy after disabling host wakeup to reset the Rx buffer. |
1731 | */ |
1732 | if (hw->phy_type == em_phy_82578) { |
1733 | em_read_phy_reg(hw, PHY_REG(BM_WUC_PAGE, 1)(((800) << 5) | ((1) & 0x1F)), |
1734 | (uint16_t *)®_data); |
1735 | ret_val = em_phy_reset(hw); |
1736 | if (ret_val) |
1737 | return ret_val; |
1738 | } |
1739 | |
1740 | /* Call a subroutine to configure the link and setup flow control. */ |
1741 | ret_val = em_setup_link(hw); |
1742 | |
1743 | /* Set the transmit descriptor write-back policy */ |
1744 | if (hw->mac_type > em_82544) { |
1745 | FOREACH_QUEUE(sc, que)for ((que) = (sc)->queues; (que) < ((sc)->queues + ( sc)->num_queues); (que)++) { |
1746 | ctrl = E1000_READ_REG(hw, TXDCTL(que->me))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que->me ) * 0x40))) : em_translate_82542_register(((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que-> me) * 0x40)))))))); |
1747 | ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH0x00FF0000) | |
1748 | E1000_TXDCTL_FULL_TX_DESC_WB0x01010000; |
1749 | E1000_WRITE_REG(hw, TXDCTL(que->me), ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que->me ) * 0x40))) : em_translate_82542_register(((que->me) < 4 ? (0x03828 + ((que->me) * 0x100)) : (0x0E028 + ((que-> me) * 0x40)))))), (ctrl))); |
1750 | } |
1751 | } |
1752 | if ((hw->mac_type == em_82573) || (hw->mac_type == em_82574)) { |
1753 | em_enable_tx_pkt_filtering(hw); |
1754 | } |
1755 | switch (hw->mac_type) { |
1756 | default: |
1757 | break; |
1758 | case em_80003es2lan: |
1759 | /* Enable retransmit on late collisions */ |
1760 | reg_data = E1000_READ_REG(hw, TCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))))); |
1761 | reg_data |= E1000_TCTL_RTLC0x01000000; |
1762 | E1000_WRITE_REG(hw, TCTL, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))), (reg_data))); |
1763 | |
1764 | /* Configure Gigabit Carry Extend Padding */ |
1765 | reg_data = E1000_READ_REG(hw, TCTL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00404 : em_translate_82542_register (0x00404))))); |
1766 | reg_data &= ~E1000_TCTL_EXT_GCEX_MASK0x000FFC00; |
1767 | reg_data |= DEFAULT_80003ES2LAN_TCTL_EXT_GCEX0x00010000; |
1768 | E1000_WRITE_REG(hw, TCTL_EXT, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00404 : em_translate_82542_register (0x00404))), (reg_data))); |
1769 | |
1770 | /* Configure Transmit Inter-Packet Gap */ |
1771 | reg_data = E1000_READ_REG(hw, TIPG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))))); |
1772 | reg_data &= ~E1000_TIPG_IPGT_MASK0x000003FF; |
1773 | reg_data |= DEFAULT_80003ES2LAN_TIPG_IPGT_10000x00000008; |
1774 | E1000_WRITE_REG(hw, TIPG, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))), (reg_data))); |
1775 | |
1776 | reg_data = E1000_READ_REG_ARRAY(hw, FFLT, 0x0001)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05F00 : em_translate_82542_register (0x05F00)) + ((0x0001) << 2)))); |
1777 | reg_data &= ~0x00100000; |
1778 | E1000_WRITE_REG_ARRAY(hw, FFLT, 0x0001, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05F00 : em_translate_82542_register (0x05F00)) + ((0x0001) << 2)), (reg_data))); |
1779 | /* FALLTHROUGH */ |
1780 | case em_82571: |
1781 | case em_82572: |
1782 | case em_82575: |
1783 | case em_82576: |
1784 | case em_82580: |
1785 | case em_i210: |
1786 | case em_i350: |
1787 | case em_ich8lan: |
1788 | case em_ich9lan: |
1789 | case em_ich10lan: |
1790 | case em_pchlan: |
1791 | case em_pch2lan: |
1792 | case em_pch_lpt: |
1793 | case em_pch_spt: |
1794 | case em_pch_cnp: |
1795 | /* |
1796 | * Old code always initialized queue 1, |
1797 | * even when unused, keep behaviour |
1798 | */ |
1799 | if (sc->num_queues == 1) { |
1800 | ctrl = E1000_READ_REG(hw, TXDCTL(1))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40))) : em_translate_82542_register (((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40 )))))))); |
1801 | ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH0x00FF0000) | |
1802 | E1000_TXDCTL_FULL_TX_DESC_WB0x01010000; |
1803 | E1000_WRITE_REG(hw, TXDCTL(1), ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? ((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40))) : em_translate_82542_register (((1) < 4 ? (0x03828 + ((1) * 0x100)) : (0x0E028 + ((1) * 0x40 )))))), (ctrl))); |
1804 | } |
1805 | break; |
1806 | } |
1807 | |
1808 | if ((hw->mac_type == em_82573) || (hw->mac_type == em_82574)) { |
1809 | uint32_t gcr = E1000_READ_REG(hw, GCR)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B00 : em_translate_82542_register (0x05B00))))); |
1810 | gcr |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX0x08000000; |
1811 | E1000_WRITE_REG(hw, GCR, gcr)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B00 : em_translate_82542_register (0x05B00))), (gcr))); |
1812 | } |
1813 | /* |
1814 | * Clear all of the statistics registers (clear on read). It is |
1815 | * important that we do this after we have tried to establish link |
1816 | * because the symbol error count will increment wildly if there is |
1817 | * no link. |
1818 | */ |
1819 | em_clear_hw_cntrs(hw); |
1820 | /* |
1821 | * ICH8 No-snoop bits are opposite polarity. Set to snoop by default |
1822 | * after reset. |
1823 | */ |
1824 | if (IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) { |
1825 | if (hw->mac_type == em_ich8lan) |
1826 | snoop = PCI_EX_82566_SNOOP_ALL(0x00000001 | 0x00000002 | 0x00000004 | 0x00000008 | 0x00000010 | 0x00000020); |
1827 | else |
1828 | snoop = (u_int32_t) ~ (PCI_EX_NO_SNOOP_ALL(0x00000001 | 0x00000002 | 0x00000004 | 0x00000008 | 0x00000010 | 0x00000020)); |
1829 | |
1830 | em_set_pci_ex_no_snoop(hw, snoop); |
1831 | } |
1832 | |
1833 | if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER0x1099 || |
1834 | hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP30x10B5) { |
1835 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
1836 | /* |
1837 | * Relaxed ordering must be disabled to avoid a parity error |
1838 | * crash in a PCI slot. |
1839 | */ |
1840 | ctrl_ext |= E1000_CTRL_EXT_RO_DIS0x00020000; |
1841 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
1842 | } |
1843 | return ret_val; |
1844 | } |
1845 | |
1846 | /****************************************************************************** |
1847 | * Adjust SERDES output amplitude based on EEPROM setting. |
1848 | * |
1849 | * hw - Struct containing variables accessed by shared code. |
1850 | *****************************************************************************/ |
1851 | static int32_t |
1852 | em_adjust_serdes_amplitude(struct em_hw *hw) |
1853 | { |
1854 | uint16_t eeprom_data; |
1855 | int32_t ret_val; |
1856 | DEBUGFUNC("em_adjust_serdes_amplitude");; |
1857 | |
1858 | if (hw->media_type != em_media_type_internal_serdes || |
1859 | hw->mac_type >= em_82575) |
1860 | return E1000_SUCCESS0; |
1861 | |
1862 | switch (hw->mac_type) { |
1863 | case em_82545_rev_3: |
1864 | case em_82546_rev_3: |
1865 | break; |
1866 | default: |
1867 | return E1000_SUCCESS0; |
1868 | } |
1869 | |
1870 | ret_val = em_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE0x0006, 1, &eeprom_data); |
1871 | if (ret_val) { |
1872 | return ret_val; |
1873 | } |
1874 | if (eeprom_data != EEPROM_RESERVED_WORD0xFFFF) { |
1875 | /* Adjust SERDES output amplitude only. */ |
1876 | eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK0x000F; |
1877 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL0x1A, |
1878 | eeprom_data); |
1879 | if (ret_val) |
1880 | return ret_val; |
1881 | } |
1882 | return E1000_SUCCESS0; |
1883 | } |
1884 | |
1885 | /****************************************************************************** |
1886 | * Configures flow control and link settings. |
1887 | * |
1888 | * hw - Struct containing variables accessed by shared code |
1889 | * |
1890 | * Determines which flow control settings to use. Calls the appropriate media- |
1891 | * specific link configuration function. Configures the flow control settings. |
1892 | * Assuming the adapter has a valid link partner, a valid link should be |
1893 | * established. Assumes the hardware has previously been reset and the |
1894 | * transmitter and receiver are not enabled. |
1895 | *****************************************************************************/ |
1896 | int32_t |
1897 | em_setup_link(struct em_hw *hw) |
1898 | { |
1899 | uint32_t ctrl_ext; |
1900 | int32_t ret_val; |
1901 | uint16_t eeprom_data; |
1902 | uint16_t eeprom_control2_reg_offset; |
1903 | DEBUGFUNC("em_setup_link");; |
1904 | |
1905 | eeprom_control2_reg_offset = |
1906 | (hw->mac_type != em_icp_xxxx) |
1907 | ? EEPROM_INIT_CONTROL2_REG0x000F |
1908 | : EEPROM_INIT_CONTROL3_ICP_xxxx(hw->icp_xxxx_port_num)((((hw->icp_xxxx_port_num) + 1) << 4) + 1); |
1909 | /* |
1910 | * In the case of the phy reset being blocked, we already have a |
1911 | * link. We do not have to set it up again. |
1912 | */ |
1913 | if (em_check_phy_reset_block(hw)) |
1914 | return E1000_SUCCESS0; |
1915 | /* |
1916 | * Read and store word 0x0F of the EEPROM. This word contains bits |
1917 | * that determine the hardware's default PAUSE (flow control) mode, a |
1918 | * bit that determines whether the HW defaults to enabling or |
1919 | * disabling auto-negotiation, and the direction of the SW defined |
1920 | * pins. If there is no SW over-ride of the flow control setting, |
1921 | * then the variable hw->fc will be initialized based on a value in |
1922 | * the EEPROM. |
1923 | */ |
1924 | if (hw->fc == E1000_FC_DEFAULT0xFF) { |
1925 | switch (hw->mac_type) { |
1926 | case em_ich8lan: |
1927 | case em_ich9lan: |
1928 | case em_ich10lan: |
1929 | case em_pchlan: |
1930 | case em_pch2lan: |
1931 | case em_pch_lpt: |
1932 | case em_pch_spt: |
1933 | case em_pch_cnp: |
1934 | case em_82573: |
1935 | case em_82574: |
1936 | hw->fc = E1000_FC_FULL3; |
1937 | break; |
1938 | default: |
1939 | ret_val = em_read_eeprom(hw, |
1940 | eeprom_control2_reg_offset, 1, &eeprom_data); |
1941 | if (ret_val) { |
1942 | DEBUGOUT("EEPROM Read Error\n"); |
1943 | return -E1000_ERR_EEPROM1; |
1944 | } |
1945 | if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK0x3000) == 0) |
1946 | hw->fc = E1000_FC_NONE0; |
1947 | else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK0x3000) == |
1948 | EEPROM_WORD0F_ASM_DIR0x2000) |
1949 | hw->fc = E1000_FC_TX_PAUSE2; |
1950 | else |
1951 | hw->fc = E1000_FC_FULL3; |
1952 | break; |
1953 | } |
1954 | } |
1955 | /* |
1956 | * We want to save off the original Flow Control configuration just |
1957 | * in case we get disconnected and then reconnected into a different |
1958 | * hub or switch with different Flow Control capabilities. |
1959 | */ |
1960 | if (hw->mac_type == em_82542_rev2_0) |
1961 | hw->fc &= (~E1000_FC_TX_PAUSE2); |
1962 | |
1963 | if ((hw->mac_type < em_82543) && (hw->report_tx_early == 1)) |
1964 | hw->fc &= (~E1000_FC_RX_PAUSE1); |
1965 | |
1966 | hw->original_fc = hw->fc; |
1967 | |
1968 | DEBUGOUT1("After fix-ups FlowControl is now = %x\n", hw->fc); |
1969 | /* |
1970 | * Take the 4 bits from EEPROM word 0x0F that determine the initial |
1971 | * polarity value for the SW controlled pins, and setup the Extended |
1972 | * Device Control reg with that info. This is needed because one of |
1973 | * the SW controlled pins is used for signal detection. So this |
1974 | * should be done before em_setup_pcs_link() or em_phy_setup() is |
1975 | * called. |
1976 | */ |
1977 | if (hw->mac_type == em_82543) { |
1978 | ret_val = em_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG0x000F, |
1979 | 1, &eeprom_data); |
1980 | if (ret_val) { |
1981 | DEBUGOUT("EEPROM Read Error\n"); |
1982 | return -E1000_ERR_EEPROM1; |
1983 | } |
1984 | ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT0x00F0) << |
1985 | SWDPIO__EXT_SHIFT4); |
1986 | E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (ctrl_ext))); |
1987 | } |
1988 | /* Make sure we have a valid PHY */ |
1989 | ret_val = em_detect_gig_phy(hw); |
1990 | if (ret_val) { |
1991 | DEBUGOUT("Error, did not detect valid phy.\n"); |
1992 | if (hw->mac_type == em_icp_xxxx) |
1993 | return E1000_DEFER_INIT15; |
1994 | else |
1995 | return ret_val; |
1996 | } |
1997 | DEBUGOUT1("Phy ID = %x \n", hw->phy_id); |
1998 | |
1999 | /* Call the necessary subroutine to configure the link. */ |
2000 | switch (hw->media_type) { |
2001 | case em_media_type_copper: |
2002 | case em_media_type_oem: |
2003 | ret_val = em_setup_copper_link(hw); |
2004 | break; |
2005 | default: |
2006 | ret_val = em_setup_fiber_serdes_link(hw); |
2007 | break; |
2008 | } |
2009 | /* |
2010 | * Initialize the flow control address, type, and PAUSE timer |
2011 | * registers to their default values. This is done even if flow |
2012 | * control is disabled, because it does not hurt anything to |
2013 | * initialize these registers. |
2014 | */ |
2015 | DEBUGOUT("Initializing the Flow Control address, type and timer regs\n" |
2016 | ); |
2017 | |
2018 | /* |
2019 | * FCAL/H and FCT are hardcoded to standard values in |
2020 | * em_ich8lan / em_ich9lan / em_ich10lan. |
2021 | */ |
2022 | if (!IS_ICH8(hw->mac_type)(hw->mac_type == em_ich8lan || hw->mac_type == em_ich9lan || hw->mac_type == em_ich10lan || hw->mac_type == em_pchlan || hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp )) { |
2023 | E1000_WRITE_REG(hw, FCT, FLOW_CONTROL_TYPE)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00030 : em_translate_82542_register (0x00030))), (0x8808))); |
2024 | E1000_WRITE_REG(hw, FCAH, FLOW_CONTROL_ADDRESS_HIGH)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x0002C : em_translate_82542_register (0x0002C))), (0x00000100))); |
2025 | E1000_WRITE_REG(hw, FCAL, FLOW_CONTROL_ADDRESS_LOW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00028 : em_translate_82542_register (0x00028))), (0x00C28001))); |
2026 | } |
2027 | E1000_WRITE_REG(hw, FCTTV, hw->fc_pause_time)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00170 : em_translate_82542_register (0x00170))), (hw->fc_pause_time))); |
2028 | |
2029 | if (hw->phy_type == em_phy_82577 || |
2030 | hw->phy_type == em_phy_82578 || |
2031 | hw->phy_type == em_phy_82579 || |
2032 | hw->phy_type == em_phy_i217) { |
2033 | E1000_WRITE_REG(hw, FCRTV_PCH, 0x1000)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05F40 : em_translate_82542_register (0x05F40))), (0x1000))); |
2034 | em_write_phy_reg(hw, PHY_REG(BM_PORT_CTRL_PAGE, 27)(((769) << 5) | ((27) & 0x1F)), |
2035 | hw->fc_pause_time); |
2036 | } |
2037 | |
2038 | /* |
2039 | * Set the flow control receive threshold registers. Normally, these |
2040 | * registers will be set to a default threshold that may be adjusted |
2041 | * later by the driver's runtime code. However, if the ability to |
2042 | * transmit pause frames in not enabled, then these registers will be |
2043 | * set to 0. |
2044 | */ |
2045 | if (!(hw->fc & E1000_FC_TX_PAUSE2)) { |
2046 | E1000_WRITE_REG(hw, FCRTL, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02160 : em_translate_82542_register (0x02160))), (0))); |
2047 | E1000_WRITE_REG(hw, FCRTH, 0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02168 : em_translate_82542_register (0x02168))), (0))); |
2048 | } else { |
2049 | /* |
2050 | * We need to set up the Receive Threshold high and low water |
2051 | * marks as well as (optionally) enabling the transmission of |
2052 | * XON frames. |
2053 | */ |
2054 | if (hw->fc_send_xon) { |
2055 | E1000_WRITE_REG(hw, FCRTL, (hw->fc_low_water((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02160 : em_translate_82542_register (0x02160))), ((hw->fc_low_water | 0x80000000)))) |
2056 | | E1000_FCRTL_XONE))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02160 : em_translate_82542_register (0x02160))), ((hw->fc_low_water | 0x80000000)))); |
2057 | E1000_WRITE_REG(hw, FCRTH, hw->fc_high_water)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02168 : em_translate_82542_register (0x02168))), (hw->fc_high_water))); |
2058 | } else { |
2059 | E1000_WRITE_REG(hw, FCRTL, hw->fc_low_water)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02160 : em_translate_82542_register (0x02160))), (hw->fc_low_water))); |
2060 | E1000_WRITE_REG(hw, FCRTH, hw->fc_high_water)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x02168 : em_translate_82542_register (0x02168))), (hw->fc_high_water))); |
2061 | } |
2062 | } |
2063 | return ret_val; |
2064 | } |
2065 | |
2066 | void |
2067 | em_power_up_serdes_link_82575(struct em_hw *hw) |
2068 | { |
2069 | uint32_t reg; |
2070 | |
2071 | if (hw->media_type != em_media_type_internal_serdes && |
2072 | hw->sgmii_active == FALSE0) |
2073 | return; |
2074 | |
2075 | /* Enable PCS to turn on link */ |
2076 | reg = E1000_READ_REG(hw, PCS_CFG0)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x04200 : em_translate_82542_register (0x04200))))); |
2077 | reg |= E1000_PCS_CFG_PCS_EN8; |
2078 | E1000_WRITE_REG(hw, PCS_CFG0, reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x04200 : em_translate_82542_register (0x04200))), (reg))); |
2079 | |
2080 | /* Power up the laser */ |
2081 | reg = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
2082 | reg &= ~E1000_CTRL_EXT_SDP3_DATA0x00000080; |
2083 | E1000_WRITE_REG(hw, CTRL_EXT, reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (reg))); |
2084 | |
2085 | /* flush the write to verify completion */ |
2086 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
2087 | delay(5)(*delay_func)(5); |
2088 | } |
2089 | |
2090 | /****************************************************************************** |
2091 | * Sets up link for a fiber based or serdes based adapter |
2092 | * |
2093 | * hw - Struct containing variables accessed by shared code |
2094 | * |
2095 | * Manipulates Physical Coding Sublayer functions in order to configure |
2096 | * link. Assumes the hardware has been previously reset and the transmitter |
2097 | * and receiver are not enabled. |
2098 | *****************************************************************************/ |
2099 | static int32_t |
2100 | em_setup_fiber_serdes_link(struct em_hw *hw) |
2101 | { |
2102 | uint32_t ctrl, ctrl_ext, reg; |
2103 | uint32_t status; |
2104 | uint32_t txcw = 0; |
2105 | uint32_t i; |
2106 | uint32_t signal = 0; |
2107 | int32_t ret_val; |
2108 | DEBUGFUNC("em_setup_fiber_serdes_link");; |
2109 | |
2110 | if (hw->media_type != em_media_type_internal_serdes && |
2111 | hw->sgmii_active == FALSE0) |
2112 | return -E1000_ERR_CONFIG3; |
2113 | |
2114 | /* |
2115 | * On 82571 and 82572 Fiber connections, SerDes loopback mode |
2116 | * persists until explicitly turned off or a power cycle is |
2117 | * performed. A read to the register does not indicate its status. |
2118 | * Therefore, we ensure loopback mode is disabled during |
2119 | * initialization. |
2120 | */ |
2121 | if (hw->mac_type == em_82571 || hw->mac_type == em_82572 || |
2122 | hw->mac_type >= em_82575) |
2123 | E1000_WRITE_REG(hw, SCTL, E1000_DISABLE_SERDES_LOOPBACK)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00024 : em_translate_82542_register (0x00024))), (0x0400))); |
2124 | |
2125 | if (hw->mac_type >= em_82575) |
2126 | em_power_up_serdes_link_82575(hw); |
2127 | |
2128 | /* |
2129 | * On adapters with a MAC newer than 82544, SWDP 1 will be set when |
2130 | * the optics detect a signal. On older adapters, it will be cleared |
2131 | * when there is a signal. This applies to fiber media only. If |
2132 | * we're on serdes media, adjust the output amplitude to value set in |
2133 | * the EEPROM. |
2134 | */ |
2135 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
2136 | if (hw->media_type == em_media_type_fiber) |
2137 | signal = (hw->mac_type > em_82544) ? E1000_CTRL_SWDPIN10x00080000 : 0; |
2138 | |
2139 | ret_val = em_adjust_serdes_amplitude(hw); |
2140 | if (ret_val) |
2141 | return ret_val; |
2142 | |
2143 | /* Take the link out of reset */ |
2144 | ctrl &= ~(E1000_CTRL_LRST0x00000008); |
2145 | |
2146 | if (hw->mac_type >= em_82575) { |
2147 | /* set both sw defined pins on 82575/82576*/ |
2148 | ctrl |= E1000_CTRL_SWDPIN00x00040000 | E1000_CTRL_SWDPIN10x00080000; |
2149 | |
2150 | ctrl_ext = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
2151 | switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK0x00C00000) { |
2152 | case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX0x00400000: |
2153 | case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES0x00C00000: |
2154 | /* the backplane is always connected */ |
2155 | reg = E1000_READ_REG(hw, PCS_LCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x04208 : em_translate_82542_register (0x04208))))); |
2156 | reg |= E1000_PCS_LCTL_FORCE_FCTRL0x80; |
2157 | reg |= E1000_PCS_LCTL_FSV_10004 | E1000_PCS_LCTL_FDV_FULL8; |
2158 | reg |= E1000_PCS_LCTL_FSD0x10; /* Force Speed */ |
2159 | DEBUGOUT("Configuring Forced Link\n"); |
2160 | E1000_WRITE_REG(hw, PCS_LCTL, reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x04208 : em_translate_82542_register (0x04208))), (reg))); |
2161 | em_force_mac_fc(hw); |
2162 | hw->autoneg_failed = 0; |
2163 | return E1000_SUCCESS0; |
2164 | break; |
2165 | default: |
2166 | /* Set switch control to serdes energy detect */ |
2167 | reg = E1000_READ_REG(hw, CONNSW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00034 : em_translate_82542_register (0x00034))))); |
2168 | reg |= E1000_CONNSW_ENRGSRC0x4; |
2169 | E1000_WRITE_REG(hw, CONNSW, reg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00034 : em_translate_82542_register (0x00034))), (reg))); |
2170 | break; |
2171 | } |
2172 | } |
2173 | |
2174 | /* Adjust VCO speed to improve BER performance */ |
2175 | ret_val = em_set_vco_speed(hw); |
2176 | if (ret_val) |
2177 | return ret_val; |
2178 | |
2179 | em_config_collision_dist(hw); |
2180 | /* |
2181 | * Check for a software override of the flow control settings, and |
2182 | * setup the device accordingly. If auto-negotiation is enabled, |
2183 | * then software will have to set the "PAUSE" bits to the correct |
2184 | * value in the Tranmsit Config Word Register (TXCW) and re-start |
2185 | * auto-negotiation. However, if auto-negotiation is disabled, then |
2186 | * software will have to manually configure the two flow control |
2187 | * enable bits in the CTRL register. |
2188 | * |
2189 | * The possible values of the "fc" parameter are: 0: Flow control is |
2190 | * completely disabled 1: Rx flow control is enabled (we can receive |
2191 | * pause frames, but not send pause frames). 2: Tx flow control is |
2192 | * enabled (we can send pause frames but we do not support receiving |
2193 | * pause frames). 3: Both Rx and TX flow control (symmetric) are |
2194 | * enabled. |
2195 | */ |
2196 | switch (hw->fc) { |
2197 | case E1000_FC_NONE0: |
2198 | /* |
2199 | * Flow control is completely disabled by a software |
2200 | * over-ride. |
2201 | */ |
2202 | txcw = (E1000_TXCW_ANE0x80000000 | E1000_TXCW_FD0x00000020); |
2203 | break; |
2204 | case E1000_FC_RX_PAUSE1: |
2205 | /* |
2206 | * RX Flow control is enabled and TX Flow control is disabled |
2207 | * by a software over-ride. Since there really isn't a way to |
2208 | * advertise that we are capable of RX Pause ONLY, we will |
2209 | * advertise that we support both symmetric and asymmetric RX |
2210 | * PAUSE. Later, we will disable the adapter's ability to |
2211 | * send PAUSE frames. |
2212 | */ |
2213 | txcw = (E1000_TXCW_ANE0x80000000 | E1000_TXCW_FD0x00000020 | |
2214 | E1000_TXCW_PAUSE_MASK0x00000180); |
2215 | break; |
2216 | case E1000_FC_TX_PAUSE2: |
2217 | /* |
2218 | * TX Flow control is enabled, and RX Flow control is |
2219 | * disabled, by a software over-ride. |
2220 | */ |
2221 | txcw = (E1000_TXCW_ANE0x80000000 | E1000_TXCW_FD0x00000020 | E1000_TXCW_ASM_DIR0x00000100); |
2222 | break; |
2223 | case E1000_FC_FULL3: |
2224 | /* |
2225 | * Flow control (both RX and TX) is enabled by a software |
2226 | * over-ride. |
2227 | */ |
2228 | txcw = (E1000_TXCW_ANE0x80000000 | E1000_TXCW_FD0x00000020 | |
2229 | E1000_TXCW_PAUSE_MASK0x00000180); |
2230 | break; |
2231 | default: |
2232 | DEBUGOUT("Flow control param set incorrectly\n"); |
2233 | return -E1000_ERR_CONFIG3; |
2234 | break; |
2235 | } |
2236 | /* |
2237 | * Since auto-negotiation is enabled, take the link out of reset (the |
2238 | * link will be in reset, because we previously reset the chip). This |
2239 | * will restart auto-negotiation. If auto-negotiation is successful |
2240 | * then the link-up status bit will be set and the flow control |
2241 | * enable bits (RFCE and TFCE) will be set according to their |
2242 | * negotiated value. |
2243 | */ |
2244 | DEBUGOUT("Auto-negotiation enabled\n"); |
2245 | |
2246 | E1000_WRITE_REG(hw, TXCW, txcw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00178 : em_translate_82542_register (0x00178))), (txcw))); |
2247 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
2248 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
2249 | |
2250 | hw->txcw = txcw; |
2251 | msec_delay(1)(*delay_func)(1000*(1)); |
2252 | /* |
2253 | * If we have a signal (the cable is plugged in) then poll for a |
2254 | * "Link-Up" indication in the Device Status Register. Time-out if a |
2255 | * link isn't seen in 500 milliseconds seconds (Auto-negotiation |
2256 | * should complete in less than 500 milliseconds even if the other |
2257 | * end is doing it in SW). For internal serdes, we just assume a |
2258 | * signal is present, then poll. |
2259 | */ |
2260 | if (hw->media_type == em_media_type_internal_serdes || |
2261 | (E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))) & E1000_CTRL_SWDPIN10x00080000) == signal) { |
2262 | DEBUGOUT("Looking for Link\n"); |
2263 | for (i = 0; i < (LINK_UP_TIMEOUT500 / 10); i++) { |
2264 | msec_delay(10)(*delay_func)(1000*(10)); |
2265 | status = E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
2266 | if (status & E1000_STATUS_LU0x00000002) |
2267 | break; |
2268 | } |
2269 | if (i == (LINK_UP_TIMEOUT500 / 10)) { |
2270 | DEBUGOUT("Never got a valid link from auto-neg!!!\n"); |
2271 | hw->autoneg_failed = 1; |
2272 | /* |
2273 | * AutoNeg failed to achieve a link, so we'll call |
2274 | * em_check_for_link. This routine will force the |
2275 | * link up if we detect a signal. This will allow us |
2276 | * to communicate with non-autonegotiating link |
2277 | * partners. |
2278 | */ |
2279 | ret_val = em_check_for_link(hw); |
2280 | if (ret_val) { |
2281 | DEBUGOUT("Error while checking for link\n"); |
2282 | return ret_val; |
2283 | } |
2284 | hw->autoneg_failed = 0; |
2285 | } else { |
2286 | hw->autoneg_failed = 0; |
2287 | DEBUGOUT("Valid Link Found\n"); |
2288 | } |
2289 | } else { |
2290 | DEBUGOUT("No Signal Detected\n"); |
2291 | } |
2292 | return E1000_SUCCESS0; |
2293 | } |
2294 | |
2295 | /****************************************************************************** |
2296 | * Make sure we have a valid PHY and change PHY mode before link setup. |
2297 | * |
2298 | * hw - Struct containing variables accessed by shared code |
2299 | *****************************************************************************/ |
2300 | static int32_t |
2301 | em_copper_link_preconfig(struct em_hw *hw) |
2302 | { |
2303 | uint32_t ctrl; |
2304 | int32_t ret_val; |
2305 | uint16_t phy_data; |
2306 | DEBUGFUNC("em_copper_link_preconfig");; |
2307 | |
2308 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
2309 | /* |
2310 | * With 82543, we need to force speed and duplex on the MAC equal to |
2311 | * what the PHY speed and duplex configuration is. In addition, we |
2312 | * need to perform a hardware reset on the PHY to take it out of |
2313 | * reset. |
2314 | */ |
2315 | if (hw->mac_type > em_82543) { |
2316 | ctrl |= E1000_CTRL_SLU0x00000040; |
2317 | ctrl &= ~(E1000_CTRL_FRCSPD0x00000800 | E1000_CTRL_FRCDPX0x00001000); |
2318 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
2319 | } else { |
2320 | ctrl |= (E1000_CTRL_FRCSPD0x00000800 | E1000_CTRL_FRCDPX0x00001000 | |
2321 | E1000_CTRL_SLU0x00000040); |
2322 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
2323 | ret_val = em_phy_hw_reset(hw); |
2324 | if (ret_val) |
2325 | return ret_val; |
2326 | } |
2327 | |
2328 | /* Set PHY to class A mode (if necessary) */ |
2329 | ret_val = em_set_phy_mode(hw); |
2330 | if (ret_val) |
2331 | return ret_val; |
2332 | |
2333 | if ((hw->mac_type == em_82545_rev_3) || |
2334 | (hw->mac_type == em_82546_rev_3)) { |
2335 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
2336 | &phy_data); |
2337 | phy_data |= 0x00000008; |
2338 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
2339 | phy_data); |
2340 | } |
2341 | if (hw->mac_type <= em_82543 || |
2342 | hw->mac_type == em_82541 || hw->mac_type == em_82547 || |
2343 | hw->mac_type == em_82541_rev_2 || hw->mac_type == em_82547_rev_2) |
2344 | hw->phy_reset_disable = FALSE0; |
2345 | if ((hw->mac_type == em_82575 || hw->mac_type == em_82580 || |
2346 | hw->mac_type == em_82576 || |
2347 | hw->mac_type == em_i210 || hw->mac_type == em_i350) && |
2348 | hw->sgmii_active) { |
2349 | /* allow time for SFP cage time to power up phy */ |
2350 | msec_delay(300)(*delay_func)(1000*(300)); |
2351 | |
2352 | /* |
2353 | * SFP documentation requires the following to configure the SFP module |
2354 | * to work on SGMII. No further documentation is given. |
2355 | */ |
2356 | em_write_phy_reg(hw, 0x1B, 0x8084); |
2357 | em_phy_hw_reset(hw); |
2358 | } |
2359 | |
2360 | return E1000_SUCCESS0; |
2361 | } |
2362 | |
2363 | /****************************************************************************** |
2364 | * Copper link setup for em_phy_igp series. |
2365 | * |
2366 | * hw - Struct containing variables accessed by shared code |
2367 | *****************************************************************************/ |
2368 | static int32_t |
2369 | em_copper_link_igp_setup(struct em_hw *hw) |
2370 | { |
2371 | uint32_t led_ctrl; |
2372 | int32_t ret_val; |
2373 | uint16_t phy_data; |
2374 | DEBUGFUNC("em_copper_link_igp_setup");; |
2375 | |
2376 | if (hw->phy_reset_disable) |
2377 | return E1000_SUCCESS0; |
2378 | |
2379 | ret_val = em_phy_reset(hw); |
2380 | if (ret_val) { |
2381 | DEBUGOUT("Error Resetting the PHY\n"); |
2382 | return ret_val; |
2383 | } |
2384 | /* Wait 15ms for MAC to configure PHY from eeprom settings */ |
2385 | msec_delay(15)(*delay_func)(1000*(15)); |
2386 | if (hw->mac_type != em_ich8lan && |
2387 | hw->mac_type != em_ich9lan && |
2388 | hw->mac_type != em_ich10lan) { |
2389 | /* Configure activity LED after PHY reset */ |
2390 | led_ctrl = E1000_READ_REG(hw, LEDCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E00 : em_translate_82542_register (0x00E00))))); |
2391 | led_ctrl &= IGP_ACTIVITY_LED_MASK0xFFFFF0FF; |
2392 | led_ctrl |= (IGP_ACTIVITY_LED_ENABLE0x0300 | IGP_LED3_MODE0x07000000); |
2393 | E1000_WRITE_REG(hw, LEDCTL, led_ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E00 : em_translate_82542_register (0x00E00))), (led_ctrl))); |
2394 | } |
2395 | /* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */ |
2396 | if (hw->phy_type == em_phy_igp) { |
2397 | /* disable lplu d3 during driver init */ |
2398 | ret_val = em_set_d3_lplu_state(hw, FALSE0); |
2399 | if (ret_val) { |
2400 | DEBUGOUT("Error Disabling LPLU D3\n"); |
2401 | return ret_val; |
2402 | } |
2403 | } |
2404 | /* disable lplu d0 during driver init */ |
2405 | if (hw->mac_type == em_pchlan || |
2406 | hw->mac_type == em_pch2lan || |
2407 | hw->mac_type == em_pch_lpt || |
2408 | hw->mac_type == em_pch_spt || |
2409 | hw->mac_type == em_pch_cnp) |
2410 | ret_val = em_set_lplu_state_pchlan(hw, FALSE0); |
2411 | else |
2412 | ret_val = em_set_d0_lplu_state(hw, FALSE0); |
2413 | if (ret_val) { |
2414 | DEBUGOUT("Error Disabling LPLU D0\n"); |
2415 | return ret_val; |
2416 | } |
2417 | /* Configure mdi-mdix settings */ |
2418 | ret_val = em_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL0x12, &phy_data); |
2419 | if (ret_val) |
2420 | return ret_val; |
2421 | |
2422 | if ((hw->mac_type == em_82541) || (hw->mac_type == em_82547)) { |
2423 | hw->dsp_config_state = em_dsp_config_disabled; |
2424 | /* Force MDI for earlier revs of the IGP PHY */ |
2425 | phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX0x1000 | |
2426 | IGP01E1000_PSCR_FORCE_MDI_MDIX0x2000); |
2427 | hw->mdix = 1; |
2428 | |
2429 | } else { |
2430 | hw->dsp_config_state = em_dsp_config_enabled; |
2431 | phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX0x1000; |
2432 | |
2433 | switch (hw->mdix) { |
2434 | case 1: |
2435 | phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX0x2000; |
2436 | break; |
2437 | case 2: |
2438 | phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX0x2000; |
2439 | break; |
2440 | case 0: |
2441 | default: |
2442 | phy_data |= IGP01E1000_PSCR_AUTO_MDIX0x1000; |
2443 | break; |
2444 | } |
2445 | } |
2446 | ret_val = em_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL0x12, phy_data); |
2447 | if (ret_val) |
2448 | return ret_val; |
2449 | |
2450 | /* set auto-master slave resolution settings */ |
2451 | if (hw->autoneg) { |
2452 | em_ms_type phy_ms_setting = hw->master_slave; |
2453 | if (hw->ffe_config_state == em_ffe_config_active) |
2454 | hw->ffe_config_state = em_ffe_config_enabled; |
2455 | |
2456 | if (hw->dsp_config_state == em_dsp_config_activated) |
2457 | hw->dsp_config_state = em_dsp_config_enabled; |
2458 | /* |
2459 | * when autonegotiation advertisement is only 1000Mbps then |
2460 | * we should disable SmartSpeed and enable Auto MasterSlave |
2461 | * resolution as hardware default. |
2462 | */ |
2463 | if (hw->autoneg_advertised == ADVERTISE_1000_FULL0x0020) { |
2464 | /* Disable SmartSpeed */ |
2465 | ret_val = em_read_phy_reg(hw, |
2466 | IGP01E1000_PHY_PORT_CONFIG0x10, &phy_data); |
2467 | if (ret_val) |
2468 | return ret_val; |
2469 | |
2470 | phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED0x0080; |
2471 | ret_val = em_write_phy_reg(hw, |
2472 | IGP01E1000_PHY_PORT_CONFIG0x10, phy_data); |
2473 | if (ret_val) |
2474 | return ret_val; |
2475 | /* Set auto Master/Slave resolution process */ |
2476 | ret_val = em_read_phy_reg(hw, PHY_1000T_CTRL0x09, |
2477 | &phy_data); |
2478 | if (ret_val) |
2479 | return ret_val; |
2480 | |
2481 | phy_data &= ~CR_1000T_MS_ENABLE0x1000; |
2482 | ret_val = em_write_phy_reg(hw, PHY_1000T_CTRL0x09, |
2483 | phy_data); |
2484 | if (ret_val) |
2485 | return ret_val; |
2486 | } |
2487 | ret_val = em_read_phy_reg(hw, PHY_1000T_CTRL0x09, &phy_data); |
2488 | if (ret_val) |
2489 | return ret_val; |
2490 | |
2491 | /* load defaults for future use */ |
2492 | hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE0x1000) ? |
2493 | ((phy_data & CR_1000T_MS_VALUE0x0800) ? em_ms_force_master : |
2494 | em_ms_force_slave) : em_ms_auto; |
2495 | |
2496 | switch (phy_ms_setting) { |
2497 | case em_ms_force_master: |
2498 | phy_data |= (CR_1000T_MS_ENABLE0x1000 | CR_1000T_MS_VALUE0x0800); |
2499 | break; |
2500 | case em_ms_force_slave: |
2501 | phy_data |= CR_1000T_MS_ENABLE0x1000; |
2502 | phy_data &= ~(CR_1000T_MS_VALUE0x0800); |
2503 | break; |
2504 | case em_ms_auto: |
2505 | phy_data &= ~CR_1000T_MS_ENABLE0x1000; |
2506 | break; |
2507 | default: |
2508 | break; |
2509 | } |
2510 | ret_val = em_write_phy_reg(hw, PHY_1000T_CTRL0x09, phy_data); |
2511 | if (ret_val) |
2512 | return ret_val; |
2513 | } |
2514 | return E1000_SUCCESS0; |
2515 | } |
2516 | |
2517 | /****************************************************************************** |
2518 | * Copper link setup for em_phy_gg82563 series. |
2519 | * |
2520 | * hw - Struct containing variables accessed by shared code |
2521 | *****************************************************************************/ |
2522 | static int32_t |
2523 | em_copper_link_ggp_setup(struct em_hw *hw) |
2524 | { |
2525 | int32_t ret_val; |
2526 | uint16_t phy_data; |
2527 | uint32_t reg_data; |
2528 | DEBUGFUNC("em_copper_link_ggp_setup");; |
2529 | |
2530 | if (!hw->phy_reset_disable) { |
2531 | |
2532 | /* Enable CRS on TX for half-duplex operation. */ |
2533 | ret_val = em_read_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL(((2) << 5) | ((21) & 0x1F)), |
2534 | &phy_data); |
2535 | if (ret_val) |
2536 | return ret_val; |
2537 | |
2538 | phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX0x0010; |
2539 | /* Use 25MHz for both link down and 1000BASE-T for Tx clock */ |
2540 | phy_data |= GG82563_MSCR_TX_CLK_1000MBPS_25MHZ0x0007; |
2541 | |
2542 | ret_val = em_write_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL(((2) << 5) | ((21) & 0x1F)), |
2543 | phy_data); |
2544 | if (ret_val) |
2545 | return ret_val; |
2546 | /* |
2547 | * Options: MDI/MDI-X = 0 (default) 0 - Auto for all speeds 1 |
2548 | * - MDI mode 2 - MDI-X mode 3 - Auto for 1000Base-T only |
2549 | * (MDI-X for 10/100Base-T modes) |
2550 | */ |
2551 | ret_val = em_read_phy_reg(hw, GG82563_PHY_SPEC_CTRL(((0) << 5) | ((16) & 0x1F)), |
2552 | &phy_data); |
2553 | |
2554 | if (ret_val) |
2555 | return ret_val; |
2556 | |
2557 | phy_data &= ~GG82563_PSCR_CROSSOVER_MODE_MASK0x0060; |
2558 | |
2559 | switch (hw->mdix) { |
2560 | case 1: |
2561 | phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDI0x0000; |
2562 | break; |
2563 | case 2: |
2564 | phy_data |= GG82563_PSCR_CROSSOVER_MODE_MDIX0x0020; |
2565 | break; |
2566 | case 0: |
2567 | default: |
2568 | phy_data |= GG82563_PSCR_CROSSOVER_MODE_AUTO0x0060; |
2569 | break; |
2570 | } |
2571 | /* |
2572 | * Options: disable_polarity_correction = 0 (default) |
2573 | * Automatic Correction for Reversed Cable Polarity 0 - |
2574 | * Disabled 1 - Enabled |
2575 | */ |
2576 | phy_data &= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE0x0002; |
2577 | if (hw->disable_polarity_correction == 1) |
2578 | phy_data |= GG82563_PSCR_POLARITY_REVERSAL_DISABLE0x0002; |
2579 | ret_val = em_write_phy_reg(hw, GG82563_PHY_SPEC_CTRL(((0) << 5) | ((16) & 0x1F)), |
2580 | phy_data); |
2581 | |
2582 | if (ret_val) |
2583 | return ret_val; |
2584 | |
2585 | /* SW Reset the PHY so all changes take effect */ |
2586 | ret_val = em_phy_reset(hw); |
2587 | if (ret_val) { |
2588 | DEBUGOUT("Error Resetting the PHY\n"); |
2589 | return ret_val; |
2590 | } |
2591 | } /* phy_reset_disable */ |
2592 | if (hw->mac_type == em_80003es2lan) { |
2593 | /* Bypass RX and TX FIFO's */ |
2594 | ret_val = em_write_kmrn_reg(hw, |
2595 | E1000_KUMCTRLSTA_OFFSET_FIFO_CTRL0x00000000, |
2596 | E1000_KUMCTRLSTA_FIFO_CTRL_RX_BYPASS0x00000008 | |
2597 | E1000_KUMCTRLSTA_FIFO_CTRL_TX_BYPASS0x00000800); |
2598 | if (ret_val) |
2599 | return ret_val; |
2600 | |
2601 | ret_val = em_read_phy_reg(hw, GG82563_PHY_SPEC_CTRL_2(((0) << 5) | ((26) & 0x1F)), |
2602 | &phy_data); |
2603 | if (ret_val) |
2604 | return ret_val; |
2605 | |
2606 | phy_data &= ~GG82563_PSCR2_REVERSE_AUTO_NEG0x2000; |
2607 | ret_val = em_write_phy_reg(hw, GG82563_PHY_SPEC_CTRL_2(((0) << 5) | ((26) & 0x1F)), |
2608 | phy_data); |
2609 | |
2610 | if (ret_val) |
2611 | return ret_val; |
2612 | |
2613 | reg_data = E1000_READ_REG(hw, CTRL_EXT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))))); |
2614 | reg_data &= ~(E1000_CTRL_EXT_LINK_MODE_MASK0x00C00000); |
2615 | E1000_WRITE_REG(hw, CTRL_EXT, reg_data)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00018 : em_translate_82542_register (0x00018))), (reg_data))); |
2616 | |
2617 | ret_val = em_read_phy_reg(hw, GG82563_PHY_PWR_MGMT_CTRL(((193) << 5) | ((20) & 0x1F)), |
2618 | &phy_data); |
2619 | if (ret_val) |
2620 | return ret_val; |
2621 | /* |
2622 | * Do not init these registers when the HW is in IAMT mode, |
2623 | * since the firmware will have already initialized them. We |
2624 | * only initialize them if the HW is not in IAMT mode. |
2625 | */ |
2626 | if (em_check_mng_mode(hw) == FALSE0) { |
2627 | /* Enable Electrical Idle on the PHY */ |
2628 | phy_data |= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE0x0001; |
2629 | ret_val = em_write_phy_reg(hw, |
2630 | GG82563_PHY_PWR_MGMT_CTRL(((193) << 5) | ((20) & 0x1F)), phy_data); |
2631 | if (ret_val) |
2632 | return ret_val; |
2633 | |
2634 | ret_val = em_read_phy_reg(hw, |
2635 | GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), &phy_data); |
2636 | if (ret_val) |
2637 | return ret_val; |
2638 | |
2639 | phy_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER0x0800; |
2640 | ret_val = em_write_phy_reg(hw, |
2641 | GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), phy_data); |
2642 | |
2643 | if (ret_val) |
2644 | return ret_val; |
2645 | } |
2646 | /* |
2647 | * Workaround: Disable padding in Kumeran interface in the |
2648 | * MAC and in the PHY to avoid CRC errors. |
2649 | */ |
2650 | ret_val = em_read_phy_reg(hw, GG82563_PHY_INBAND_CTRL(((194) << 5) | ((18) & 0x1F)), |
2651 | &phy_data); |
2652 | if (ret_val) |
2653 | return ret_val; |
2654 | phy_data |= GG82563_ICR_DIS_PADDING0x0010; |
2655 | ret_val = em_write_phy_reg(hw, GG82563_PHY_INBAND_CTRL(((194) << 5) | ((18) & 0x1F)), |
2656 | phy_data); |
2657 | if (ret_val) |
2658 | return ret_val; |
2659 | } |
2660 | return E1000_SUCCESS0; |
2661 | } |
2662 | |
2663 | /****************************************************************************** |
2664 | * Copper link setup for em_phy_m88 series. |
2665 | * |
2666 | * hw - Struct containing variables accessed by shared code |
2667 | *****************************************************************************/ |
2668 | static int32_t |
2669 | em_copper_link_mgp_setup(struct em_hw *hw) |
2670 | { |
2671 | int32_t ret_val; |
2672 | uint16_t phy_data; |
2673 | DEBUGFUNC("em_copper_link_mgp_setup");; |
2674 | |
2675 | if (hw->phy_reset_disable) |
2676 | return E1000_SUCCESS0; |
2677 | |
2678 | /* disable lplu d0 during driver init */ |
2679 | if (hw->mac_type == em_pchlan || |
2680 | hw->mac_type == em_pch2lan || |
2681 | hw->mac_type == em_pch_lpt || |
2682 | hw->mac_type == em_pch_spt || |
2683 | hw->mac_type == em_pch_cnp) |
2684 | ret_val = em_set_lplu_state_pchlan(hw, FALSE0); |
2685 | |
2686 | /* Enable CRS on TX. This must be set for half-duplex operation. */ |
2687 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, &phy_data); |
2688 | if (ret_val) |
2689 | return ret_val; |
2690 | |
2691 | if (hw->phy_id == M88E1141_E_PHY_ID0x01410CD0) { |
2692 | phy_data |= 0x00000008; |
2693 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
2694 | phy_data); |
2695 | if (ret_val) |
2696 | return ret_val; |
2697 | |
2698 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
2699 | &phy_data); |
2700 | if (ret_val) |
2701 | return ret_val; |
2702 | |
2703 | phy_data &= ~M88E1000_PSCR_ASSERT_CRS_ON_TX0x0800; |
2704 | |
2705 | } |
2706 | /* For BM PHY this bit is downshift enable */ |
2707 | else if (hw->phy_type != em_phy_bm) |
2708 | phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX0x0800; |
2709 | /* |
2710 | * Options: MDI/MDI-X = 0 (default) 0 - Auto for all speeds 1 - MDI |
2711 | * mode 2 - MDI-X mode 3 - Auto for 1000Base-T only (MDI-X for |
2712 | * 10/100Base-T modes) |
2713 | */ |
2714 | phy_data &= ~M88E1000_PSCR_AUTO_X_MODE0x0060; |
2715 | |
2716 | switch (hw->mdix) { |
2717 | case 1: |
2718 | phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE0x0000; |
2719 | break; |
2720 | case 2: |
2721 | phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE0x0020; |
2722 | break; |
2723 | case 3: |
2724 | phy_data |= M88E1000_PSCR_AUTO_X_1000T0x0040; |
2725 | break; |
2726 | case 0: |
2727 | default: |
2728 | phy_data |= M88E1000_PSCR_AUTO_X_MODE0x0060; |
2729 | break; |
2730 | } |
2731 | /* |
2732 | * Options: disable_polarity_correction = 0 (default) Automatic |
2733 | * Correction for Reversed Cable Polarity 0 - Disabled 1 - Enabled |
2734 | */ |
2735 | phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL0x0002; |
2736 | if (hw->disable_polarity_correction == 1) |
2737 | phy_data |= M88E1000_PSCR_POLARITY_REVERSAL0x0002; |
2738 | |
2739 | /* Enable downshift on BM (disabled by default) */ |
2740 | if (hw->phy_type == em_phy_bm) |
2741 | phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT0x0800; |
2742 | |
2743 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, phy_data); |
2744 | if (ret_val) |
2745 | return ret_val; |
2746 | |
2747 | if (((hw->phy_type == em_phy_m88) && |
2748 | (hw->phy_revision < M88E1011_I_REV_40x04) && |
2749 | (hw->phy_id != BME1000_E_PHY_ID0x01410CB0)) || |
2750 | (hw->phy_type == em_phy_oem)) { |
2751 | /* |
2752 | * Force TX_CLK in the Extended PHY Specific Control Register |
2753 | * to 25MHz clock. |
2754 | */ |
2755 | ret_val = em_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL0x14, |
2756 | &phy_data); |
2757 | if (ret_val) |
2758 | return ret_val; |
2759 | |
2760 | if (hw->phy_type == em_phy_oem) { |
2761 | phy_data |= M88E1000_EPSCR_TX_TIME_CTRL0x0002; |
2762 | phy_data |= M88E1000_EPSCR_RX_TIME_CTRL0x0080; |
2763 | } |
2764 | phy_data |= M88E1000_EPSCR_TX_CLK_250x0070; |
2765 | |
2766 | if ((hw->phy_revision == E1000_REVISION_22) && |
2767 | (hw->phy_id == M88E1111_I_PHY_ID0x01410CC0)) { |
2768 | /* Vidalia Phy, set the downshift counter to 5x */ |
2769 | phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK0x0E00); |
2770 | phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X0x0800; |
2771 | ret_val = em_write_phy_reg(hw, |
2772 | M88E1000_EXT_PHY_SPEC_CTRL0x14, phy_data); |
2773 | if (ret_val) |
2774 | return ret_val; |
2775 | } else { |
2776 | /* Configure Master and Slave downshift values */ |
2777 | phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK0x0C00 | |
2778 | M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK0x0300); |
2779 | phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X0x0000 | |
2780 | M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X0x0100); |
2781 | ret_val = em_write_phy_reg(hw, |
2782 | M88E1000_EXT_PHY_SPEC_CTRL0x14, phy_data); |
2783 | if (ret_val) |
2784 | return ret_val; |
2785 | } |
2786 | } |
2787 | if ((hw->phy_type == em_phy_bm) && (hw->phy_revision == 1)) { |
2788 | /* |
2789 | * Set PHY page 0, register 29 to 0x0003 |
2790 | * The next two writes are supposed to lower BER for gig |
2791 | * connection |
2792 | */ |
2793 | ret_val = em_write_phy_reg(hw, BM_REG_BIAS129, 0x0003); |
2794 | if (ret_val) |
2795 | return ret_val; |
2796 | |
2797 | /* Set PHY page 0, register 30 to 0x0000 */ |
2798 | ret_val = em_write_phy_reg(hw, BM_REG_BIAS230, 0x0000); |
2799 | if (ret_val) |
2800 | return ret_val; |
2801 | } |
2802 | if (hw->phy_type == em_phy_82578) { |
2803 | ret_val = em_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL0x14, |
2804 | &phy_data); |
2805 | if (ret_val) |
2806 | return ret_val; |
2807 | |
2808 | /* 82578 PHY - set the downshift count to 1x. */ |
2809 | phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE0x0020; |
2810 | phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK0x001C; |
2811 | ret_val = em_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL0x14, |
2812 | phy_data); |
2813 | if (ret_val) |
2814 | return ret_val; |
2815 | } |
2816 | /* SW Reset the PHY so all changes take effect */ |
2817 | ret_val = em_phy_reset(hw); |
2818 | if (ret_val) { |
2819 | DEBUGOUT("Error Resetting the PHY\n"); |
2820 | return ret_val; |
2821 | } |
2822 | return E1000_SUCCESS0; |
2823 | } |
2824 | |
2825 | /****************************************************************************** |
2826 | * Copper link setup for em_phy_82577 series. |
2827 | * |
2828 | * hw - Struct containing variables accessed by shared code |
2829 | *****************************************************************************/ |
2830 | static int32_t |
2831 | em_copper_link_82577_setup(struct em_hw *hw) |
2832 | { |
2833 | int32_t ret_val; |
2834 | uint16_t phy_data; |
2835 | uint32_t led_ctl; |
2836 | DEBUGFUNC("em_copper_link_82577_setup");; |
2837 | |
2838 | if (hw->phy_reset_disable) |
2839 | return E1000_SUCCESS0; |
2840 | |
2841 | /* Enable CRS on TX for half-duplex operation. */ |
2842 | ret_val = em_read_phy_reg(hw, I82577_PHY_CFG_REG22, &phy_data); |
2843 | if (ret_val) |
2844 | return ret_val; |
2845 | |
2846 | phy_data |= I82577_PHY_CFG_ENABLE_CRS_ON_TX(1 << 15) | |
2847 | I82577_PHY_CFG_ENABLE_DOWNSHIFT((1 << 10) + (1 << 11)); |
2848 | |
2849 | ret_val = em_write_phy_reg(hw, I82577_PHY_CFG_REG22, phy_data); |
2850 | if (ret_val) |
2851 | return ret_val; |
2852 | |
2853 | /* Wait 15ms for MAC to configure PHY from eeprom settings */ |
2854 | msec_delay(15)(*delay_func)(1000*(15)); |
2855 | led_ctl = hw->ledctl_mode1; |
2856 | |
2857 | /* disable lplu d0 during driver init */ |
2858 | ret_val = em_set_lplu_state_pchlan(hw, FALSE0); |
2859 | if (ret_val) { |
2860 | DEBUGOUT("Error Disabling LPLU D0\n"); |
2861 | return ret_val; |
2862 | } |
2863 | |
2864 | E1000_WRITE_REG(hw, LEDCTL, led_ctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E00 : em_translate_82542_register (0x00E00))), (led_ctl))); |
2865 | |
2866 | return E1000_SUCCESS0; |
2867 | } |
2868 | |
2869 | static int32_t |
2870 | em_copper_link_82580_setup(struct em_hw *hw) |
2871 | { |
2872 | int32_t ret_val; |
2873 | uint16_t phy_data; |
2874 | |
2875 | if (hw->phy_reset_disable) |
2876 | return E1000_SUCCESS0; |
2877 | |
2878 | ret_val = em_phy_reset(hw); |
2879 | if (ret_val) |
2880 | goto out; |
2881 | |
2882 | /* Enable CRS on TX. This must be set for half-duplex operation. */ |
2883 | ret_val = em_read_phy_reg(hw, I82580_CFG_REG22, &phy_data); |
2884 | if (ret_val) |
2885 | goto out; |
2886 | |
2887 | phy_data |= I82580_CFG_ASSERT_CRS_ON_TX(1 << 15) | |
2888 | I82580_CFG_ENABLE_DOWNSHIFT(3 << 10); |
2889 | |
2890 | ret_val = em_write_phy_reg(hw, I82580_CFG_REG22, phy_data); |
2891 | |
2892 | out: |
2893 | return ret_val; |
2894 | } |
2895 | |
2896 | static int32_t |
2897 | em_copper_link_rtl8211_setup(struct em_hw *hw) |
2898 | { |
2899 | int32_t ret_val; |
2900 | uint16_t phy_data; |
2901 | |
2902 | DEBUGFUNC("em_copper_link_rtl8211_setup: begin");; |
2903 | |
2904 | if (!hw) { |
2905 | return -1; |
2906 | } |
2907 | /* SW Reset the PHY so all changes take effect */ |
2908 | em_phy_hw_reset(hw); |
2909 | |
2910 | /* Enable CRS on TX. This must be set for half-duplex operation. */ |
2911 | phy_data = 0; |
2912 | |
2913 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_CR0x10, &phy_data); |
2914 | if (ret_val) { |
2915 | printf("Unable to read RGEPHY_CR register\n"); |
2916 | return ret_val; |
2917 | } |
2918 | DEBUGOUT3("RTL8211: Rx phy_id=%X addr=%X SPEC_CTRL=%X\n", hw->phy_id, |
2919 | hw->phy_addr, phy_data); |
2920 | phy_data |= RGEPHY_CR_ASSERT_CRS0x0800; |
2921 | |
2922 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_CR0x10, phy_data); |
2923 | if (ret_val) { |
2924 | printf("Unable to write RGEPHY_CR register\n"); |
2925 | return ret_val; |
2926 | } |
2927 | |
2928 | phy_data = 0; /* LED Control Register 0x18 */ |
2929 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_LC0x18, &phy_data); |
2930 | if (ret_val) { |
2931 | printf("Unable to read RGEPHY_LC register\n"); |
2932 | return ret_val; |
2933 | } |
2934 | |
2935 | phy_data &= 0x80FF; /* bit-15=0 disable, clear bit 8-10 */ |
2936 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC0x18, phy_data); |
2937 | if (ret_val) { |
2938 | printf("Unable to write RGEPHY_LC register\n"); |
2939 | return ret_val; |
2940 | } |
2941 | /* LED Control and Definition Register 0x11, PHY spec status reg */ |
2942 | phy_data = 0; |
2943 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_SR0x11, &phy_data); |
2944 | if (ret_val) { |
2945 | printf("Unable to read RGEPHY_SR register\n"); |
2946 | return ret_val; |
2947 | } |
2948 | |
2949 | phy_data |= 0x0010; /* LED active Low */ |
2950 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_SR0x11, phy_data); |
2951 | if (ret_val) { |
2952 | printf("Unable to write RGEPHY_SR register\n"); |
2953 | return ret_val; |
2954 | } |
2955 | |
2956 | phy_data = 0; |
2957 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_SR0x11, &phy_data); |
2958 | if (ret_val) { |
2959 | printf("Unable to read RGEPHY_SR register\n"); |
2960 | return ret_val; |
2961 | } |
2962 | |
2963 | /* Switch to Page2 */ |
2964 | phy_data = RGEPHY_PS_PAGE_20x0002; |
2965 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_PS0x1F, phy_data); |
2966 | if (ret_val) { |
2967 | printf("Unable to write PHY RGEPHY_PS register\n"); |
2968 | return ret_val; |
2969 | } |
2970 | |
2971 | phy_data = 0x0000; |
2972 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC_P20x1A, phy_data); |
2973 | if (ret_val) { |
2974 | printf("Unable to write RGEPHY_LC_P2 register\n"); |
2975 | return ret_val; |
2976 | } |
2977 | usec_delay(5)(*delay_func)(5); |
2978 | |
2979 | |
2980 | /* LED Configuration Control Reg for setting for 0x1A Register */ |
2981 | phy_data = 0; |
2982 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_LC_P20x1A, &phy_data); |
2983 | if (ret_val) { |
2984 | printf("Unable to read RGEPHY_LC_P2 register\n"); |
2985 | return ret_val; |
2986 | } |
2987 | |
2988 | phy_data &= 0xF000; |
2989 | phy_data |= 0x0F24; |
2990 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC_P20x1A, phy_data); |
2991 | if (ret_val) { |
2992 | printf("Unable to write RGEPHY_LC_P2 register\n"); |
2993 | return ret_val; |
2994 | } |
2995 | phy_data = 0; |
2996 | ret_val= em_read_phy_reg_ex(hw, RGEPHY_LC_P20x1A, &phy_data); |
2997 | if (ret_val) { |
2998 | printf("Unable to read RGEPHY_LC_P2 register\n"); |
2999 | return ret_val; |
3000 | } |
3001 | DEBUGOUT1("RTL8211:ReadBack for check, LED_CFG->data=%X\n", phy_data); |
3002 | |
3003 | |
3004 | /* After setting Page2, go back to Page 0 */ |
3005 | phy_data = 0; |
3006 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_PS0x1F, phy_data); |
3007 | if (ret_val) { |
3008 | printf("Unable to write PHY RGEPHY_PS register\n"); |
3009 | return ret_val; |
3010 | } |
3011 | |
3012 | /* pulse streching= 42-84ms, blink rate=84mm */ |
3013 | phy_data = 0x140 | RGEPHY_LC_PULSE_42MS0x2000 | RGEPHY_LC_LINK0x0008 | |
3014 | RGEPHY_LC_DUPLEX0x0004 | RGEPHY_LC_RX0x0002; |
3015 | |
3016 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_LC0x18, phy_data); |
3017 | if (ret_val) { |
3018 | printf("Unable to write RGEPHY_LC register\n"); |
3019 | return ret_val; |
3020 | } |
3021 | return E1000_SUCCESS0; |
3022 | } |
3023 | |
3024 | /****************************************************************************** |
3025 | * Setup auto-negotiation and flow control advertisements, |
3026 | * and then perform auto-negotiation. |
3027 | * |
3028 | * hw - Struct containing variables accessed by shared code |
3029 | *****************************************************************************/ |
3030 | int32_t |
3031 | em_copper_link_autoneg(struct em_hw *hw) |
3032 | { |
3033 | int32_t ret_val; |
3034 | uint16_t phy_data; |
3035 | DEBUGFUNC("em_copper_link_autoneg");; |
3036 | /* |
3037 | * Perform some bounds checking on the hw->autoneg_advertised |
3038 | * parameter. If this variable is zero, then set it to the default. |
3039 | */ |
3040 | hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT0x002F; |
3041 | /* |
3042 | * If autoneg_advertised is zero, we assume it was not defaulted by |
3043 | * the calling code so we set to advertise full capability. |
3044 | */ |
3045 | if (hw->autoneg_advertised == 0) |
3046 | hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT0x002F; |
3047 | |
3048 | /* IFE phy only supports 10/100 */ |
3049 | if (hw->phy_type == em_phy_ife) |
3050 | hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL0x000F; |
3051 | |
3052 | DEBUGOUT("Reconfiguring auto-neg advertisement params\n"); |
3053 | ret_val = em_phy_setup_autoneg(hw); |
3054 | if (ret_val) { |
3055 | DEBUGOUT("Error Setting up Auto-Negotiation\n"); |
3056 | return ret_val; |
3057 | } |
3058 | DEBUGOUT("Restarting Auto-Neg\n"); |
3059 | /* |
3060 | * Restart auto-negotiation by setting the Auto Neg Enable bit and |
3061 | * the Auto Neg Restart bit in the PHY control register. |
3062 | */ |
3063 | ret_val = em_read_phy_reg(hw, PHY_CTRL0x00, &phy_data); |
3064 | if (ret_val) |
3065 | return ret_val; |
3066 | |
3067 | phy_data |= (MII_CR_AUTO_NEG_EN0x1000 | MII_CR_RESTART_AUTO_NEG0x0200); |
3068 | ret_val = em_write_phy_reg(hw, PHY_CTRL0x00, phy_data); |
3069 | if (ret_val) |
3070 | return ret_val; |
3071 | /* |
3072 | * Does the user want to wait for Auto-Neg to complete here, or check |
3073 | * at a later time (for example, callback routine). |
3074 | */ |
3075 | if (hw->wait_autoneg_complete) { |
3076 | ret_val = em_wait_autoneg(hw); |
3077 | if (ret_val) { |
3078 | DEBUGOUT("Error while waiting for autoneg to complete\n" |
3079 | ); |
3080 | return ret_val; |
3081 | } |
3082 | } |
3083 | hw->get_link_status = TRUE1; |
3084 | |
3085 | return E1000_SUCCESS0; |
3086 | } |
3087 | |
3088 | /****************************************************************************** |
3089 | * Config the MAC and the PHY after link is up. |
3090 | * 1) Set up the MAC to the current PHY speed/duplex |
3091 | * if we are on 82543. If we |
3092 | * are on newer silicon, we only need to configure |
3093 | * collision distance in the Transmit Control Register. |
3094 | * 2) Set up flow control on the MAC to that established with |
3095 | * the link partner. |
3096 | * 3) Config DSP to improve Gigabit link quality for some PHY revisions. |
3097 | * |
3098 | * hw - Struct containing variables accessed by shared code |
3099 | *****************************************************************************/ |
3100 | int32_t |
3101 | em_copper_link_postconfig(struct em_hw *hw) |
3102 | { |
3103 | int32_t ret_val; |
3104 | DEBUGFUNC("em_copper_link_postconfig");; |
3105 | |
3106 | if (hw->mac_type >= em_82544 && |
3107 | hw->mac_type != em_icp_xxxx) { |
3108 | em_config_collision_dist(hw); |
3109 | } else { |
3110 | ret_val = em_config_mac_to_phy(hw); |
3111 | if (ret_val) { |
3112 | DEBUGOUT("Error configuring MAC to PHY settings\n"); |
3113 | return ret_val; |
3114 | } |
3115 | } |
3116 | ret_val = em_config_fc_after_link_up(hw); |
3117 | if (ret_val) { |
3118 | DEBUGOUT("Error Configuring Flow Control\n"); |
3119 | return ret_val; |
3120 | } |
3121 | /* Config DSP to improve Giga link quality */ |
3122 | if (hw->phy_type == em_phy_igp) { |
3123 | ret_val = em_config_dsp_after_link_change(hw, TRUE1); |
3124 | if (ret_val) { |
3125 | DEBUGOUT("Error Configuring DSP after link up\n"); |
3126 | return ret_val; |
3127 | } |
3128 | } |
3129 | return E1000_SUCCESS0; |
3130 | } |
3131 | |
3132 | /****************************************************************************** |
3133 | * Detects which PHY is present and setup the speed and duplex |
3134 | * |
3135 | * hw - Struct containing variables accessed by shared code |
3136 | *****************************************************************************/ |
3137 | static int32_t |
3138 | em_setup_copper_link(struct em_hw *hw) |
3139 | { |
3140 | int32_t ret_val; |
3141 | uint16_t i; |
3142 | uint16_t phy_data; |
3143 | uint16_t reg_data; |
3144 | DEBUGFUNC("em_setup_copper_link");; |
3145 | |
3146 | switch (hw->mac_type) { |
3147 | case em_80003es2lan: |
3148 | case em_ich8lan: |
3149 | case em_ich9lan: |
3150 | case em_ich10lan: |
3151 | case em_pchlan: |
3152 | case em_pch2lan: |
3153 | case em_pch_lpt: |
3154 | case em_pch_spt: |
3155 | case em_pch_cnp: |
3156 | /* |
3157 | * Set the mac to wait the maximum time between each |
3158 | * iteration and increase the max iterations when polling the |
3159 | * phy; this fixes erroneous timeouts at 10Mbps. |
3160 | */ |
3161 | ret_val = em_write_kmrn_reg(hw, GG82563_REG(0x34, 4)(((0x34) << 5) | ((4) & 0x1F)), 0xFFFF); |
3162 | if (ret_val) |
3163 | return ret_val; |
3164 | ret_val = em_read_kmrn_reg(hw, GG82563_REG(0x34, 9)(((0x34) << 5) | ((9) & 0x1F)), |
3165 | ®_data); |
3166 | if (ret_val) |
3167 | return ret_val; |
3168 | reg_data |= 0x3F; |
3169 | ret_val = em_write_kmrn_reg(hw, GG82563_REG(0x34, 9)(((0x34) << 5) | ((9) & 0x1F)), |
3170 | reg_data); |
3171 | if (ret_val) |
3172 | return ret_val; |
3173 | default: |
3174 | break; |
3175 | } |
3176 | |
3177 | /* Check if it is a valid PHY and set PHY mode if necessary. */ |
3178 | ret_val = em_copper_link_preconfig(hw); |
3179 | if (ret_val) |
3180 | return ret_val; |
3181 | |
3182 | switch (hw->mac_type) { |
3183 | case em_80003es2lan: |
3184 | /* Kumeran registers are written-only */ |
3185 | reg_data = |
3186 | E1000_KUMCTRLSTA_INB_CTRL_LINK_STATUS_TX_TIMEOUT_DEFAULT0x00000500; |
3187 | reg_data |= E1000_KUMCTRLSTA_INB_CTRL_DIS_PADDING0x00000010; |
3188 | ret_val = em_write_kmrn_reg(hw, |
3189 | E1000_KUMCTRLSTA_OFFSET_INB_CTRL0x00000002, reg_data); |
3190 | if (ret_val) |
3191 | return ret_val; |
3192 | break; |
3193 | default: |
3194 | break; |
3195 | } |
3196 | |
3197 | if (hw->phy_type == em_phy_igp || |
3198 | hw->phy_type == em_phy_igp_3 || |
3199 | hw->phy_type == em_phy_igp_2) { |
3200 | ret_val = em_copper_link_igp_setup(hw); |
3201 | if (ret_val) |
3202 | return ret_val; |
3203 | } else if (hw->phy_type == em_phy_m88 || |
3204 | hw->phy_type == em_phy_bm || |
3205 | hw->phy_type == em_phy_oem || |
3206 | hw->phy_type == em_phy_82578) { |
3207 | ret_val = em_copper_link_mgp_setup(hw); |
3208 | if (ret_val) |
3209 | return ret_val; |
3210 | } else if (hw->phy_type == em_phy_gg82563) { |
3211 | ret_val = em_copper_link_ggp_setup(hw); |
3212 | if (ret_val) |
3213 | return ret_val; |
3214 | } else if (hw->phy_type == em_phy_82577 || |
3215 | hw->phy_type == em_phy_82579 || |
3216 | hw->phy_type == em_phy_i217) { |
3217 | ret_val = em_copper_link_82577_setup(hw); |
3218 | if (ret_val) |
3219 | return ret_val; |
3220 | } else if (hw->phy_type == em_phy_82580) { |
3221 | ret_val = em_copper_link_82580_setup(hw); |
3222 | if (ret_val) |
3223 | return ret_val; |
3224 | } else if (hw->phy_type == em_phy_rtl8211) { |
3225 | ret_val = em_copper_link_rtl8211_setup(hw); |
3226 | if (ret_val) |
3227 | return ret_val; |
3228 | } |
3229 | if (hw->autoneg) { |
3230 | /* |
3231 | * Setup autoneg and flow control advertisement and perform |
3232 | * autonegotiation |
3233 | */ |
3234 | ret_val = em_copper_link_autoneg(hw); |
3235 | if (ret_val) |
3236 | return ret_val; |
3237 | } else { |
3238 | /* |
3239 | * PHY will be set to 10H, 10F, 100H,or 100F depending on |
3240 | * value from forced_speed_duplex. |
3241 | */ |
3242 | DEBUGOUT("Forcing speed and duplex\n"); |
3243 | ret_val = em_phy_force_speed_duplex(hw); |
3244 | if (ret_val) { |
3245 | DEBUGOUT("Error Forcing Speed and Duplex\n"); |
3246 | return ret_val; |
3247 | } |
3248 | } |
3249 | /* |
3250 | * Check link status. Wait up to 100 microseconds for link to become |
3251 | * valid. |
3252 | */ |
3253 | for (i = 0; i < 10; i++) { |
3254 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
3255 | if (ret_val) |
3256 | return ret_val; |
3257 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
3258 | if (ret_val) |
3259 | return ret_val; |
3260 | |
3261 | hw->icp_xxxx_is_link_up = (phy_data & MII_SR_LINK_STATUS0x0004) != 0; |
3262 | |
3263 | if (phy_data & MII_SR_LINK_STATUS0x0004) { |
3264 | /* Config the MAC and PHY after link is up */ |
3265 | ret_val = em_copper_link_postconfig(hw); |
3266 | if (ret_val) |
3267 | return ret_val; |
3268 | |
3269 | DEBUGOUT("Valid link established!!!\n"); |
3270 | return E1000_SUCCESS0; |
3271 | } |
3272 | usec_delay(10)(*delay_func)(10); |
3273 | } |
3274 | |
3275 | DEBUGOUT("Unable to establish link!!!\n"); |
3276 | return E1000_SUCCESS0; |
3277 | } |
3278 | |
3279 | /****************************************************************************** |
3280 | * Configure the MAC-to-PHY interface for 10/100Mbps |
3281 | * |
3282 | * hw - Struct containing variables accessed by shared code |
3283 | *****************************************************************************/ |
3284 | static int32_t |
3285 | em_configure_kmrn_for_10_100(struct em_hw *hw, uint16_t duplex) |
3286 | { |
3287 | int32_t ret_val = E1000_SUCCESS0; |
3288 | uint32_t tipg; |
3289 | uint16_t reg_data; |
3290 | DEBUGFUNC("em_configure_kmrn_for_10_100");; |
3291 | |
3292 | reg_data = E1000_KUMCTRLSTA_HD_CTRL_10_100_DEFAULT0x00000004; |
3293 | ret_val = em_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL0x00000010, |
3294 | reg_data); |
3295 | if (ret_val) |
3296 | return ret_val; |
3297 | |
3298 | /* Configure Transmit Inter-Packet Gap */ |
3299 | tipg = E1000_READ_REG(hw, TIPG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))))); |
3300 | tipg &= ~E1000_TIPG_IPGT_MASK0x000003FF; |
3301 | tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_10_1000x00000009; |
3302 | E1000_WRITE_REG(hw, TIPG, tipg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))), (tipg))); |
3303 | |
3304 | ret_val = em_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), ®_data); |
3305 | |
3306 | if (ret_val) |
3307 | return ret_val; |
3308 | |
3309 | if (duplex == HALF_DUPLEX1) |
3310 | reg_data |= GG82563_KMCR_PASS_FALSE_CARRIER0x0800; |
3311 | else |
3312 | reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER0x0800; |
3313 | |
3314 | ret_val = em_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), reg_data); |
3315 | |
3316 | return ret_val; |
3317 | } |
3318 | |
3319 | static int32_t |
3320 | em_configure_kmrn_for_1000(struct em_hw *hw) |
3321 | { |
3322 | int32_t ret_val = E1000_SUCCESS0; |
3323 | uint16_t reg_data; |
3324 | uint32_t tipg; |
3325 | DEBUGFUNC("em_configure_kmrn_for_1000");; |
3326 | |
3327 | reg_data = E1000_KUMCTRLSTA_HD_CTRL_1000_DEFAULT0x00000000; |
3328 | ret_val = em_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL0x00000010, |
3329 | reg_data); |
3330 | if (ret_val) |
3331 | return ret_val; |
3332 | |
3333 | /* Configure Transmit Inter-Packet Gap */ |
3334 | tipg = E1000_READ_REG(hw, TIPG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))))); |
3335 | tipg &= ~E1000_TIPG_IPGT_MASK0x000003FF; |
3336 | tipg |= DEFAULT_80003ES2LAN_TIPG_IPGT_10000x00000008; |
3337 | E1000_WRITE_REG(hw, TIPG, tipg)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00410 : em_translate_82542_register (0x00410))), (tipg))); |
3338 | |
3339 | ret_val = em_read_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), ®_data); |
3340 | |
3341 | if (ret_val) |
3342 | return ret_val; |
3343 | |
3344 | reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER0x0800; |
3345 | ret_val = em_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL(((193) << 5) | ((16) & 0x1F)), reg_data); |
3346 | |
3347 | return ret_val; |
3348 | } |
3349 | |
3350 | /****************************************************************************** |
3351 | * Configures PHY autoneg and flow control advertisement settings |
3352 | * |
3353 | * hw - Struct containing variables accessed by shared code |
3354 | *****************************************************************************/ |
3355 | int32_t |
3356 | em_phy_setup_autoneg(struct em_hw *hw) |
3357 | { |
3358 | int32_t ret_val; |
3359 | uint16_t mii_autoneg_adv_reg; |
3360 | uint16_t mii_1000t_ctrl_reg; |
3361 | DEBUGFUNC("em_phy_setup_autoneg");; |
3362 | |
3363 | /* Read the MII Auto-Neg Advertisement Register (Address 4). */ |
3364 | ret_val = em_read_phy_reg(hw, PHY_AUTONEG_ADV0x04, &mii_autoneg_adv_reg); |
3365 | if (ret_val) |
3366 | return ret_val; |
3367 | |
3368 | if (hw->phy_type != em_phy_ife) { |
3369 | /* Read the MII 1000Base-T Control Register (Address 9). */ |
3370 | ret_val = em_read_phy_reg(hw, PHY_1000T_CTRL0x09, |
3371 | &mii_1000t_ctrl_reg); |
3372 | if (ret_val) |
3373 | return ret_val; |
3374 | } else |
3375 | mii_1000t_ctrl_reg = 0; |
3376 | /* |
3377 | * Need to parse both autoneg_advertised and fc and set up the |
3378 | * appropriate PHY registers. First we will parse for |
3379 | * autoneg_advertised software override. Since we can advertise a |
3380 | * plethora of combinations, we need to check each bit individually. |
3381 | */ |
3382 | /* |
3383 | * First we clear all the 10/100 mb speed bits in the Auto-Neg |
3384 | * Advertisement Register (Address 4) and the 1000 mb speed bits in |
3385 | * the 1000Base-T Control Register (Address 9). |
3386 | */ |
3387 | mii_autoneg_adv_reg &= ~REG4_SPEED_MASK0x01E0; |
3388 | mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK0x0300; |
3389 | |
3390 | DEBUGOUT1("autoneg_advertised %x\n", hw->autoneg_advertised); |
3391 | |
3392 | /* Do we want to advertise 10 Mb Half Duplex? */ |
3393 | if (hw->autoneg_advertised & ADVERTISE_10_HALF0x0001) { |
3394 | DEBUGOUT("Advertise 10mb Half duplex\n"); |
3395 | mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS0x0020; |
3396 | } |
3397 | /* Do we want to advertise 10 Mb Full Duplex? */ |
3398 | if (hw->autoneg_advertised & ADVERTISE_10_FULL0x0002) { |
3399 | DEBUGOUT("Advertise 10mb Full duplex\n"); |
3400 | mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS0x0040; |
3401 | } |
3402 | /* Do we want to advertise 100 Mb Half Duplex? */ |
3403 | if (hw->autoneg_advertised & ADVERTISE_100_HALF0x0004) { |
3404 | DEBUGOUT("Advertise 100mb Half duplex\n"); |
3405 | mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS0x0080; |
3406 | } |
3407 | /* Do we want to advertise 100 Mb Full Duplex? */ |
3408 | if (hw->autoneg_advertised & ADVERTISE_100_FULL0x0008) { |
3409 | DEBUGOUT("Advertise 100mb Full duplex\n"); |
3410 | mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS0x0100; |
3411 | } |
3412 | /* We do not allow the Phy to advertise 1000 Mb Half Duplex */ |
3413 | if (hw->autoneg_advertised & ADVERTISE_1000_HALF0x0010) { |
3414 | DEBUGOUT("Advertise 1000mb Half duplex requested, request" |
3415 | " denied!\n"); |
3416 | } |
3417 | /* Do we want to advertise 1000 Mb Full Duplex? */ |
3418 | if (hw->autoneg_advertised & ADVERTISE_1000_FULL0x0020) { |
3419 | DEBUGOUT("Advertise 1000mb Full duplex\n"); |
3420 | mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS0x0200; |
3421 | if (hw->phy_type == em_phy_ife) { |
3422 | DEBUGOUT("em_phy_ife is a 10/100 PHY. Gigabit speed is" |
3423 | " not supported.\n"); |
3424 | } |
3425 | } |
3426 | /* |
3427 | * Check for a software override of the flow control settings, and |
3428 | * setup the PHY advertisement registers accordingly. If |
3429 | * auto-negotiation is enabled, then software will have to set the |
3430 | * "PAUSE" bits to the correct value in the Auto-Negotiation |
3431 | * Advertisement Register (PHY_AUTONEG_ADV) and re-start |
3432 | * auto-negotiation. |
3433 | * |
3434 | * The possible values of the "fc" parameter are: 0: Flow control is |
3435 | * completely disabled 1: Rx flow control is enabled (we can receive |
3436 | * pause frames but not send pause frames). 2: Tx flow control is |
3437 | * enabled (we can send pause frames but we do not support receiving |
3438 | * pause frames). 3: Both Rx and TX flow control (symmetric) are |
3439 | * enabled. other: No software override. The flow control |
3440 | * configuration in the EEPROM is used. |
3441 | */ |
3442 | switch (hw->fc) { |
3443 | case E1000_FC_NONE0: /* 0 */ |
3444 | /* |
3445 | * Flow control (RX & TX) is completely disabled by a |
3446 | * software over-ride. |
3447 | */ |
3448 | mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR0x0800 | NWAY_AR_PAUSE0x0400); |
3449 | break; |
3450 | case E1000_FC_RX_PAUSE1:/* 1 */ |
3451 | /* |
3452 | * RX Flow control is enabled, and TX Flow control is |
3453 | * disabled, by a software over-ride. |
3454 | */ |
3455 | /* |
3456 | * Since there really isn't a way to advertise that we are |
3457 | * capable of RX Pause ONLY, we will advertise that we |
3458 | * support both symmetric and asymmetric RX PAUSE. Later (in |
3459 | * em_config_fc_after_link_up) we will disable the hw's |
3460 | * ability to send PAUSE frames. |
3461 | */ |
3462 | mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR0x0800 | NWAY_AR_PAUSE0x0400); |
3463 | break; |
3464 | case E1000_FC_TX_PAUSE2:/* 2 */ |
3465 | /* |
3466 | * TX Flow control is enabled, and RX Flow control is |
3467 | * disabled, by a software over-ride. |
3468 | */ |
3469 | mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR0x0800; |
3470 | mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE0x0400; |
3471 | break; |
3472 | case E1000_FC_FULL3: /* 3 */ |
3473 | /* |
3474 | * Flow control (both RX and TX) is enabled by a software |
3475 | * over-ride. |
3476 | */ |
3477 | mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR0x0800 | NWAY_AR_PAUSE0x0400); |
3478 | break; |
3479 | default: |
3480 | DEBUGOUT("Flow control param set incorrectly\n"); |
3481 | return -E1000_ERR_CONFIG3; |
3482 | } |
3483 | |
3484 | ret_val = em_write_phy_reg(hw, PHY_AUTONEG_ADV0x04, mii_autoneg_adv_reg); |
3485 | if (ret_val) |
3486 | return ret_val; |
3487 | |
3488 | DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); |
3489 | |
3490 | if (hw->phy_type != em_phy_ife) { |
3491 | ret_val = em_write_phy_reg(hw, PHY_1000T_CTRL0x09, |
3492 | mii_1000t_ctrl_reg); |
3493 | if (ret_val) |
3494 | return ret_val; |
3495 | } |
3496 | return E1000_SUCCESS0; |
3497 | } |
3498 | /****************************************************************************** |
3499 | * Force PHY speed and duplex settings to hw->forced_speed_duplex |
3500 | * |
3501 | * hw - Struct containing variables accessed by shared code |
3502 | *****************************************************************************/ |
3503 | static int32_t |
3504 | em_phy_force_speed_duplex(struct em_hw *hw) |
3505 | { |
3506 | uint32_t ctrl; |
3507 | int32_t ret_val; |
3508 | uint16_t mii_ctrl_reg; |
3509 | uint16_t mii_status_reg; |
3510 | uint16_t phy_data; |
3511 | uint16_t i; |
3512 | DEBUGFUNC("em_phy_force_speed_duplex");; |
3513 | |
3514 | /* Turn off Flow control if we are forcing speed and duplex. */ |
3515 | hw->fc = E1000_FC_NONE0; |
3516 | |
3517 | DEBUGOUT1("hw->fc = %d\n", hw->fc); |
3518 | |
3519 | /* Read the Device Control Register. */ |
3520 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
3521 | |
3522 | /* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */ |
3523 | ctrl |= (E1000_CTRL_FRCSPD0x00000800 | E1000_CTRL_FRCDPX0x00001000); |
3524 | ctrl &= ~(DEVICE_SPEED_MASK0x00000300); |
3525 | |
3526 | /* Clear the Auto Speed Detect Enable bit. */ |
3527 | ctrl &= ~E1000_CTRL_ASDE0x00000020; |
3528 | |
3529 | /* Read the MII Control Register. */ |
3530 | ret_val = em_read_phy_reg(hw, PHY_CTRL0x00, &mii_ctrl_reg); |
3531 | if (ret_val) |
3532 | return ret_val; |
3533 | |
3534 | /* We need to disable autoneg in order to force link and duplex. */ |
3535 | |
3536 | mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN0x1000; |
3537 | |
3538 | /* Are we forcing Full or Half Duplex? */ |
3539 | if (hw->forced_speed_duplex == em_100_full || |
3540 | hw->forced_speed_duplex == em_10_full) { |
3541 | /* |
3542 | * We want to force full duplex so we SET the full duplex |
3543 | * bits in the Device and MII Control Registers. |
3544 | */ |
3545 | ctrl |= E1000_CTRL_FD0x00000001; |
3546 | mii_ctrl_reg |= MII_CR_FULL_DUPLEX0x0100; |
3547 | DEBUGOUT("Full Duplex\n"); |
3548 | } else { |
3549 | /* |
3550 | * We want to force half duplex so we CLEAR the full duplex |
3551 | * bits in the Device and MII Control Registers. |
3552 | */ |
3553 | ctrl &= ~E1000_CTRL_FD0x00000001; |
3554 | mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX0x0100; |
3555 | DEBUGOUT("Half Duplex\n"); |
3556 | } |
3557 | |
3558 | /* Are we forcing 100Mbps??? */ |
3559 | if (hw->forced_speed_duplex == em_100_full || |
3560 | hw->forced_speed_duplex == em_100_half) { |
3561 | /* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */ |
3562 | ctrl |= E1000_CTRL_SPD_1000x00000100; |
3563 | mii_ctrl_reg |= MII_CR_SPEED_1000x2000; |
3564 | mii_ctrl_reg &= ~(MII_CR_SPEED_10000x0040 | MII_CR_SPEED_100x0000); |
3565 | DEBUGOUT("Forcing 100mb "); |
3566 | } else { |
3567 | /* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */ |
3568 | ctrl &= ~(E1000_CTRL_SPD_10000x00000200 | E1000_CTRL_SPD_1000x00000100); |
3569 | mii_ctrl_reg |= MII_CR_SPEED_100x0000; |
3570 | mii_ctrl_reg &= ~(MII_CR_SPEED_10000x0040 | MII_CR_SPEED_1000x2000); |
3571 | DEBUGOUT("Forcing 10mb "); |
3572 | } |
3573 | |
3574 | em_config_collision_dist(hw); |
3575 | |
3576 | /* Write the configured values back to the Device Control Reg. */ |
3577 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
3578 | |
3579 | if ((hw->phy_type == em_phy_m88) || |
3580 | (hw->phy_type == em_phy_gg82563) || |
3581 | (hw->phy_type == em_phy_bm) || |
3582 | (hw->phy_type == em_phy_oem || |
3583 | (hw->phy_type == em_phy_82578))) { |
3584 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
3585 | &phy_data); |
3586 | if (ret_val) |
3587 | return ret_val; |
3588 | /* |
3589 | * Clear Auto-Crossover to force MDI manually. M88E1000 |
3590 | * requires MDI forced whenever speed are duplex are forced. |
3591 | */ |
3592 | phy_data &= ~M88E1000_PSCR_AUTO_X_MODE0x0060; |
3593 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
3594 | phy_data); |
3595 | if (ret_val) |
3596 | return ret_val; |
3597 | |
3598 | DEBUGOUT1("M88E1000 PSCR: %x \n", phy_data); |
3599 | |
3600 | /* Need to reset the PHY or these changes will be ignored */ |
3601 | mii_ctrl_reg |= MII_CR_RESET0x8000; |
3602 | |
3603 | } |
3604 | else if (hw->phy_type == em_phy_rtl8211) { |
3605 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_CR0x10, &phy_data); |
3606 | if(ret_val) { |
3607 | printf("Unable to read RGEPHY_CR register\n" |
3608 | ); |
3609 | return ret_val; |
3610 | } |
3611 | |
3612 | /* |
3613 | * Clear Auto-Crossover to force MDI manually. RTL8211 requires |
3614 | * MDI forced whenever speed are duplex are forced. |
3615 | */ |
3616 | |
3617 | phy_data |= RGEPHY_CR_MDI_MASK0x0060; // enable MDIX |
3618 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_CR0x10, phy_data); |
3619 | if(ret_val) { |
3620 | printf("Unable to write RGEPHY_CR register\n"); |
3621 | return ret_val; |
3622 | } |
3623 | mii_ctrl_reg |= MII_CR_RESET0x8000; |
3624 | |
3625 | } |
3626 | /* Disable MDI-X support for 10/100 */ |
3627 | else if (hw->phy_type == em_phy_ife) { |
3628 | ret_val = em_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL0x1C, &phy_data); |
3629 | if (ret_val) |
3630 | return ret_val; |
3631 | |
3632 | phy_data &= ~IFE_PMC_AUTO_MDIX0x0080; |
3633 | phy_data &= ~IFE_PMC_FORCE_MDIX0x0040; |
3634 | |
3635 | ret_val = em_write_phy_reg(hw, IFE_PHY_MDIX_CONTROL0x1C, phy_data); |
3636 | if (ret_val) |
3637 | return ret_val; |
3638 | } else { |
3639 | /* |
3640 | * Clear Auto-Crossover to force MDI manually. IGP requires |
3641 | * MDI forced whenever speed or duplex are forced. |
3642 | */ |
3643 | ret_val = em_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL0x12, |
3644 | &phy_data); |
3645 | if (ret_val) |
3646 | return ret_val; |
3647 | |
3648 | phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX0x1000; |
3649 | phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX0x2000; |
3650 | |
3651 | ret_val = em_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL0x12, |
3652 | phy_data); |
3653 | if (ret_val) |
3654 | return ret_val; |
3655 | } |
3656 | |
3657 | /* Write back the modified PHY MII control register. */ |
3658 | ret_val = em_write_phy_reg(hw, PHY_CTRL0x00, mii_ctrl_reg); |
3659 | if (ret_val) |
3660 | return ret_val; |
3661 | |
3662 | usec_delay(1)(*delay_func)(1); |
3663 | /* |
3664 | * The wait_autoneg_complete flag may be a little misleading here. |
3665 | * Since we are forcing speed and duplex, Auto-Neg is not enabled. |
3666 | * But we do want to delay for a period while forcing only so we |
3667 | * don't generate false No Link messages. So we will wait here only |
3668 | * if the user has set wait_autoneg_complete to 1, which is the |
3669 | * default. |
3670 | */ |
3671 | if (hw->wait_autoneg_complete) { |
3672 | /* We will wait for autoneg to complete. */ |
3673 | DEBUGOUT("Waiting for forced speed/duplex link.\n"); |
3674 | mii_status_reg = 0; |
3675 | /* |
3676 | * We will wait for autoneg to complete or 4.5 seconds to |
3677 | * expire. |
3678 | */ |
3679 | for (i = PHY_FORCE_TIME20; i > 0; i--) { |
3680 | /* |
3681 | * Read the MII Status Register and wait for Auto-Neg |
3682 | * Complete bit to be set. |
3683 | */ |
3684 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, |
3685 | &mii_status_reg); |
3686 | if (ret_val) |
3687 | return ret_val; |
3688 | |
3689 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, |
3690 | &mii_status_reg); |
3691 | if (ret_val) |
3692 | return ret_val; |
3693 | |
3694 | if (mii_status_reg & MII_SR_LINK_STATUS0x0004) |
3695 | break; |
3696 | msec_delay(100)(*delay_func)(1000*(100)); |
3697 | } |
3698 | if ((i == 0) && |
3699 | ((hw->phy_type == em_phy_m88) || |
3700 | (hw->phy_type == em_phy_gg82563) || |
3701 | (hw->phy_type == em_phy_bm))) { |
3702 | /* |
3703 | * We didn't get link. Reset the DSP and wait again |
3704 | * for link. |
3705 | */ |
3706 | ret_val = em_phy_reset_dsp(hw); |
3707 | if (ret_val) { |
3708 | DEBUGOUT("Error Resetting PHY DSP\n"); |
3709 | return ret_val; |
3710 | } |
3711 | } |
3712 | /* |
3713 | * This loop will early-out if the link condition has been |
3714 | * met. |
3715 | */ |
3716 | for (i = PHY_FORCE_TIME20; i > 0; i--) { |
3717 | if (mii_status_reg & MII_SR_LINK_STATUS0x0004) |
3718 | break; |
3719 | msec_delay(100)(*delay_func)(1000*(100)); |
3720 | /* |
3721 | * Read the MII Status Register and wait for Auto-Neg |
3722 | * Complete bit to be set. |
3723 | */ |
3724 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, |
3725 | &mii_status_reg); |
3726 | if (ret_val) |
3727 | return ret_val; |
3728 | |
3729 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, |
3730 | &mii_status_reg); |
3731 | if (ret_val) |
3732 | return ret_val; |
3733 | } |
3734 | } |
3735 | if (hw->phy_type == em_phy_m88 || |
3736 | hw->phy_type == em_phy_bm || |
3737 | hw->phy_type == em_phy_oem) { |
3738 | /* |
3739 | * Because we reset the PHY above, we need to re-force TX_CLK |
3740 | * in the Extended PHY Specific Control Register to 25MHz |
3741 | * clock. This value defaults back to a 2.5MHz clock when |
3742 | * the PHY is reset. |
3743 | */ |
3744 | ret_val = em_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL0x14, |
3745 | &phy_data); |
3746 | if (ret_val) |
3747 | return ret_val; |
3748 | |
3749 | phy_data |= M88E1000_EPSCR_TX_CLK_250x0070; |
3750 | ret_val = em_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL0x14, |
3751 | phy_data); |
3752 | if (ret_val) |
3753 | return ret_val; |
3754 | /* |
3755 | * In addition, because of the s/w reset above, we need to |
3756 | * enable CRS on TX. This must be set for both full and half |
3757 | * duplex operation. |
3758 | */ |
3759 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
3760 | &phy_data); |
3761 | if (ret_val) |
3762 | return ret_val; |
3763 | |
3764 | if (hw->phy_id == M88E1141_E_PHY_ID0x01410CD0) |
3765 | phy_data &= ~M88E1000_PSCR_ASSERT_CRS_ON_TX0x0800; |
3766 | else |
3767 | phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX0x0800; |
3768 | |
3769 | ret_val = em_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL0x10, |
3770 | phy_data); |
3771 | if (ret_val) |
3772 | return ret_val; |
3773 | |
3774 | if ((hw->mac_type == em_82544 || hw->mac_type == em_82543) && |
3775 | (!hw->autoneg) && (hw->forced_speed_duplex == em_10_full || |
3776 | hw->forced_speed_duplex == em_10_half)) { |
3777 | ret_val = em_polarity_reversal_workaround(hw); |
3778 | if (ret_val) |
3779 | return ret_val; |
3780 | } |
3781 | } else if (hw->phy_type == em_phy_rtl8211) { |
3782 | /* |
3783 | * In addition, because of the s/w reset above, we need to enable |
3784 | * CRX on TX. This must be set for both full and half duplex |
3785 | * operation. |
3786 | */ |
3787 | |
3788 | ret_val = em_read_phy_reg_ex(hw, RGEPHY_CR0x10, &phy_data); |
3789 | if(ret_val) { |
3790 | printf("Unable to read RGEPHY_CR register\n"); |
3791 | return ret_val; |
3792 | } |
3793 | |
3794 | phy_data &= ~RGEPHY_CR_ASSERT_CRS0x0800; |
3795 | ret_val = em_write_phy_reg_ex(hw, RGEPHY_CR0x10, phy_data); |
3796 | if(ret_val) { |
3797 | printf("Unable to write RGEPHY_CR register\n"); |
3798 | return ret_val; |
3799 | } |
3800 | } else if (hw->phy_type == em_phy_gg82563) { |
3801 | /* |
3802 | * The TX_CLK of the Extended PHY Specific Control Register |
3803 | * defaults to 2.5MHz on a reset. We need to re-force it |
3804 | * back to 25MHz, if we're not in a forced 10/duplex |
3805 | * configuration. |
3806 | */ |
3807 | ret_val = em_read_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL(((2) << 5) | ((21) & 0x1F)), |
3808 | &phy_data); |
3809 | if (ret_val) |
3810 | return ret_val; |
3811 | |
3812 | phy_data &= ~GG82563_MSCR_TX_CLK_MASK0x0007; |
3813 | if ((hw->forced_speed_duplex == em_10_full) || |
3814 | (hw->forced_speed_duplex == em_10_half)) |
3815 | phy_data |= GG82563_MSCR_TX_CLK_10MBPS_2_5MHZ0x0004; |
3816 | else |
3817 | phy_data |= GG82563_MSCR_TX_CLK_100MBPS_25MHZ0x0005; |
3818 | |
3819 | /* Also due to the reset, we need to enable CRS on Tx. */ |
3820 | phy_data |= GG82563_MSCR_ASSERT_CRS_ON_TX0x0010; |
3821 | |
3822 | ret_val = em_write_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL(((2) << 5) | ((21) & 0x1F)), |
3823 | phy_data); |
3824 | if (ret_val) |
3825 | return ret_val; |
3826 | } |
3827 | return E1000_SUCCESS0; |
3828 | } |
3829 | |
3830 | /****************************************************************************** |
3831 | * Sets the collision distance in the Transmit Control register |
3832 | * |
3833 | * hw - Struct containing variables accessed by shared code |
3834 | * |
3835 | * Link should have been established previously. Reads the speed and duplex |
3836 | * information from the Device Status register. |
3837 | *****************************************************************************/ |
3838 | void |
3839 | em_config_collision_dist(struct em_hw *hw) |
3840 | { |
3841 | uint32_t tctl, coll_dist; |
3842 | DEBUGFUNC("em_config_collision_dist");; |
3843 | |
3844 | if (hw->mac_type < em_82543) |
3845 | coll_dist = E1000_COLLISION_DISTANCE_8254264; |
3846 | else |
3847 | coll_dist = E1000_COLLISION_DISTANCE63; |
3848 | |
3849 | tctl = E1000_READ_REG(hw, TCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))))); |
3850 | |
3851 | tctl &= ~E1000_TCTL_COLD0x003ff000; |
3852 | tctl |= coll_dist << E1000_COLD_SHIFT12; |
3853 | |
3854 | E1000_WRITE_REG(hw, TCTL, tctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00400 : em_translate_82542_register (0x00400))), (tctl))); |
3855 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
3856 | } |
3857 | |
3858 | /****************************************************************************** |
3859 | * Sets MAC speed and duplex settings to reflect the those in the PHY |
3860 | * |
3861 | * hw - Struct containing variables accessed by shared code |
3862 | * mii_reg - data to write to the MII control register |
3863 | * |
3864 | * The contents of the PHY register containing the needed information need to |
3865 | * be passed in. |
3866 | *****************************************************************************/ |
3867 | static int32_t |
3868 | em_config_mac_to_phy(struct em_hw *hw) |
3869 | { |
3870 | uint32_t ctrl; |
3871 | int32_t ret_val; |
3872 | uint16_t phy_data; |
3873 | DEBUGFUNC("em_config_mac_to_phy");; |
3874 | /* |
3875 | * 82544 or newer MAC, Auto Speed Detection takes care of MAC |
3876 | * speed/duplex configuration. |
3877 | */ |
3878 | if (hw->mac_type >= em_82544 |
3879 | && hw->mac_type != em_icp_xxxx) |
3880 | return E1000_SUCCESS0; |
3881 | /* |
3882 | * Read the Device Control Register and set the bits to Force Speed |
3883 | * and Duplex. |
3884 | */ |
3885 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
3886 | ctrl |= (E1000_CTRL_FRCSPD0x00000800 | E1000_CTRL_FRCDPX0x00001000); |
3887 | ctrl &= ~(E1000_CTRL_SPD_SEL0x00000300 | E1000_CTRL_ILOS0x00000080); |
3888 | /* |
3889 | * Set up duplex in the Device Control and Transmit Control registers |
3890 | * depending on negotiated values. |
3891 | */ |
3892 | ret_val = em_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS0x11, &phy_data); |
3893 | if (ret_val) |
3894 | return ret_val; |
3895 | |
3896 | if (phy_data & M88E1000_PSSR_DPLX0x2000) |
3897 | ctrl |= E1000_CTRL_FD0x00000001; |
3898 | else |
3899 | ctrl &= ~E1000_CTRL_FD0x00000001; |
3900 | |
3901 | em_config_collision_dist(hw); |
3902 | /* |
3903 | * Set up speed in the Device Control register depending on |
3904 | * negotiated values. |
3905 | */ |
3906 | if ((phy_data & M88E1000_PSSR_SPEED0xC000) == M88E1000_PSSR_1000MBS0x8000) |
3907 | ctrl |= E1000_CTRL_SPD_10000x00000200; |
3908 | else if ((phy_data & M88E1000_PSSR_SPEED0xC000) == M88E1000_PSSR_100MBS0x4000) |
3909 | ctrl |= E1000_CTRL_SPD_1000x00000100; |
3910 | |
3911 | /* Write the configured values back to the Device Control Reg. */ |
3912 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
3913 | return E1000_SUCCESS0; |
3914 | } |
3915 | |
3916 | /****************************************************************************** |
3917 | * Forces the MAC's flow control settings. |
3918 | * |
3919 | * hw - Struct containing variables accessed by shared code |
3920 | * |
3921 | * Sets the TFCE and RFCE bits in the device control register to reflect |
3922 | * the adapter settings. TFCE and RFCE need to be explicitly set by |
3923 | * software when a Copper PHY is used because autonegotiation is managed |
3924 | * by the PHY rather than the MAC. Software must also configure these |
3925 | * bits when link is forced on a fiber connection. |
3926 | *****************************************************************************/ |
3927 | int32_t |
3928 | em_force_mac_fc(struct em_hw *hw) |
3929 | { |
3930 | uint32_t ctrl; |
3931 | DEBUGFUNC("em_force_mac_fc");; |
3932 | |
3933 | /* Get the current configuration of the Device Control Register */ |
3934 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
3935 | /* |
3936 | * Because we didn't get link via the internal auto-negotiation |
3937 | * mechanism (we either forced link or we got link via PHY auto-neg), |
3938 | * we have to manually enable/disable transmit an receive flow |
3939 | * control. |
3940 | * |
3941 | * The "Case" statement below enables/disable flow control according to |
3942 | * the "hw->fc" parameter. |
3943 | * |
3944 | * The possible values of the "fc" parameter are: 0: Flow control is |
3945 | * completely disabled 1: Rx flow control is enabled (we can receive |
3946 | * pause frames but not send pause frames). 2: Tx flow control is |
3947 | * enabled (we can send pause frames frames but we do not receive |
3948 | * pause frames). 3: Both Rx and TX flow control (symmetric) is |
3949 | * enabled. other: No other values should be possible at this point. |
3950 | */ |
3951 | |
3952 | switch (hw->fc) { |
3953 | case E1000_FC_NONE0: |
3954 | ctrl &= (~(E1000_CTRL_TFCE0x10000000 | E1000_CTRL_RFCE0x08000000)); |
3955 | break; |
3956 | case E1000_FC_RX_PAUSE1: |
3957 | ctrl &= (~E1000_CTRL_TFCE0x10000000); |
3958 | ctrl |= E1000_CTRL_RFCE0x08000000; |
3959 | break; |
3960 | case E1000_FC_TX_PAUSE2: |
3961 | ctrl &= (~E1000_CTRL_RFCE0x08000000); |
3962 | ctrl |= E1000_CTRL_TFCE0x10000000; |
3963 | break; |
3964 | case E1000_FC_FULL3: |
3965 | ctrl |= (E1000_CTRL_TFCE0x10000000 | E1000_CTRL_RFCE0x08000000); |
3966 | break; |
3967 | default: |
3968 | DEBUGOUT("Flow control param set incorrectly\n"); |
3969 | return -E1000_ERR_CONFIG3; |
3970 | } |
3971 | |
3972 | /* Disable TX Flow Control for 82542 (rev 2.0) */ |
3973 | if (hw->mac_type == em_82542_rev2_0) |
3974 | ctrl &= (~E1000_CTRL_TFCE0x10000000); |
3975 | |
3976 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
3977 | return E1000_SUCCESS0; |
3978 | } |
3979 | /****************************************************************************** |
3980 | * Configures flow control settings after link is established |
3981 | * |
3982 | * hw - Struct containing variables accessed by shared code |
3983 | * |
3984 | * Should be called immediately after a valid link has been established. |
3985 | * Forces MAC flow control settings if link was forced. When in MII/GMII mode |
3986 | * and autonegotiation is enabled, the MAC flow control settings will be set |
3987 | * based on the flow control negotiated by the PHY. In TBI mode, the TFCE |
3988 | * and RFCE bits will be automatically set to the negotiated flow control mode. |
3989 | *****************************************************************************/ |
3990 | STATIC int32_t |
3991 | em_config_fc_after_link_up(struct em_hw *hw) |
3992 | { |
3993 | int32_t ret_val; |
3994 | uint16_t mii_status_reg; |
3995 | uint16_t mii_nway_adv_reg; |
3996 | uint16_t mii_nway_lp_ability_reg; |
3997 | uint16_t speed; |
3998 | uint16_t duplex; |
3999 | DEBUGFUNC("em_config_fc_after_link_up");; |
4000 | /* |
4001 | * Check for the case where we have fiber media and auto-neg failed |
4002 | * so we had to force link. In this case, we need to force the |
4003 | * configuration of the MAC to match the "fc" parameter. |
4004 | */ |
4005 | if (((hw->media_type == em_media_type_fiber) && (hw->autoneg_failed)) |
4006 | || ((hw->media_type == em_media_type_internal_serdes) && |
4007 | (hw->autoneg_failed)) || |
4008 | ((hw->media_type == em_media_type_copper) && (!hw->autoneg)) || |
4009 | ((hw->media_type == em_media_type_oem) && (!hw->autoneg))) { |
4010 | ret_val = em_force_mac_fc(hw); |
4011 | if (ret_val) { |
4012 | DEBUGOUT("Error forcing flow control settings\n"); |
4013 | return ret_val; |
4014 | } |
4015 | } |
4016 | /* |
4017 | * Check for the case where we have copper media and auto-neg is |
4018 | * enabled. In this case, we need to check and see if Auto-Neg has |
4019 | * completed, and if so, how the PHY and link partner has flow |
4020 | * control configured. |
4021 | */ |
4022 | if ((hw->media_type == em_media_type_copper || |
4023 | (hw->media_type == em_media_type_oem)) && |
4024 | hw->autoneg) { |
4025 | /* |
4026 | * Read the MII Status Register and check to see if AutoNeg |
4027 | * has completed. We read this twice because this reg has |
4028 | * some "sticky" (latched) bits. |
4029 | */ |
4030 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &mii_status_reg); |
4031 | if (ret_val) |
4032 | return ret_val; |
4033 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &mii_status_reg); |
4034 | if (ret_val) |
4035 | return ret_val; |
4036 | |
4037 | if (mii_status_reg & MII_SR_AUTONEG_COMPLETE0x0020) { |
4038 | /* |
4039 | * The AutoNeg process has completed, so we now need |
4040 | * to read both the Auto Negotiation Advertisement |
4041 | * Register (Address 4) and the Auto_Negotiation Base |
4042 | * Page Ability Register (Address 5) to determine how |
4043 | * flow control was negotiated. |
4044 | */ |
4045 | ret_val = em_read_phy_reg(hw, PHY_AUTONEG_ADV0x04, |
4046 | &mii_nway_adv_reg); |
4047 | if (ret_val) |
4048 | return ret_val; |
4049 | ret_val = em_read_phy_reg(hw, PHY_LP_ABILITY0x05, |
4050 | &mii_nway_lp_ability_reg); |
4051 | if (ret_val) |
4052 | return ret_val; |
4053 | /* |
4054 | * Two bits in the Auto Negotiation Advertisement |
4055 | * Register (Address 4) and two bits in the Auto |
4056 | * Negotiation Base Page Ability Register (Address 5) |
4057 | * determine flow control for both the PHY and the |
4058 | * link partner. The following table, taken out of |
4059 | * the IEEE 802.3ab/D6.0 dated March 25, 1999, |
4060 | * describes these PAUSE resolution bits and how flow |
4061 | * control is determined based upon these settings. |
4062 | * NOTE: DC = Don't Care |
4063 | * |
4064 | * LOCAL DEVICE | LINK PARTNER | |
4065 | * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution |
4066 | * -------|---------|-------|---------|--------------- |
4067 | * 0 | 0 | DC | DC | em_fc_none |
4068 | * 0 | 1 | 0 | DC | em_fc_none |
4069 | * 0 | 1 | 1 | 0 | em_fc_none |
4070 | * 0 | 1 | 1 | 1 | em_fc_tx_pause |
4071 | * 1 | 0 | 0 | DC | em_fc_none |
4072 | * 1 | DC | 1 | DC | em_fc_full |
4073 | * 1 | 1 | 0 | 0 | em_fc_none |
4074 | * 1 | 1 | 0 | 1 | em_fc_rx_pause |
4075 | * |
4076 | */ |
4077 | /* |
4078 | * Are both PAUSE bits set to 1? If so, this implies |
4079 | * Symmetric Flow Control is enabled at both ends. |
4080 | * The ASM_DIR bits are irrelevant per the spec. |
4081 | * |
4082 | * For Symmetric Flow Control: |
4083 | * |
4084 | * LOCAL DEVICE | LINK PARTNER |
4085 | * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
4086 | * -------|---------|-------|---------|--------------- |
4087 | * 1 | DC | 1 | DC | em_fc_full |
4088 | * |
4089 | */ |
4090 | if ((mii_nway_adv_reg & NWAY_AR_PAUSE0x0400) && |
4091 | (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE0x0400)) { |
4092 | /* |
4093 | * Now we need to check if the user selected |
4094 | * RX ONLY of pause frames. In this case, we |
4095 | * had to advertise FULL flow control because |
4096 | * we could not advertise RX ONLY. Hence, we |
4097 | * must now check to see if we need to turn |
4098 | * OFF the TRANSMISSION of PAUSE frames. |
4099 | */ |
4100 | if (hw->original_fc == E1000_FC_FULL3) { |
4101 | hw->fc = E1000_FC_FULL3; |
4102 | DEBUGOUT("Flow Control = FULL.\n"); |
4103 | } else { |
4104 | hw->fc = E1000_FC_RX_PAUSE1; |
4105 | DEBUGOUT("Flow Control = RX PAUSE" |
4106 | " frames only.\n"); |
4107 | } |
4108 | } |
4109 | /* |
4110 | * For receiving PAUSE frames ONLY. |
4111 | * |
4112 | * LOCAL DEVICE | LINK PARTNER PAUSE | ASM_DIR | |
4113 | * PAUSE | ASM_DIR | Result |
4114 | * -------|---------|-------|---------|--------------- |
4115 | * ----- 0 | 1 | 1 | 1 | |
4116 | * em_fc_tx_pause |
4117 | * |
4118 | */ |
4119 | else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE0x0400) && |
4120 | (mii_nway_adv_reg & NWAY_AR_ASM_DIR0x0800) && |
4121 | (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE0x0400) && |
4122 | (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR0x0800)) { |
4123 | hw->fc = E1000_FC_TX_PAUSE2; |
4124 | DEBUGOUT("Flow Control = TX PAUSE frames only." |
4125 | "\n"); |
4126 | } |
4127 | /* |
4128 | * For transmitting PAUSE frames ONLY. |
4129 | * |
4130 | * LOCAL DEVICE | LINK PARTNER |
4131 | * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result |
4132 | * -------|---------|-------|---------|--------------- |
4133 | * 1 | 1 | 0 | 1 | em_fc_rx_pause |
4134 | * |
4135 | */ |
4136 | else if ((mii_nway_adv_reg & NWAY_AR_PAUSE0x0400) && |
4137 | (mii_nway_adv_reg & NWAY_AR_ASM_DIR0x0800) && |
4138 | !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE0x0400) && |
4139 | (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR0x0800)) { |
4140 | hw->fc = E1000_FC_RX_PAUSE1; |
4141 | DEBUGOUT("Flow Control = RX PAUSE frames only." |
4142 | "\n"); |
4143 | } |
4144 | /* |
4145 | * Per the IEEE spec, at this point flow control |
4146 | * should be disabled. However, we want to consider |
4147 | * that we could be connected to a legacy switch that |
4148 | * doesn't advertise desired flow control, but can be |
4149 | * forced on the link partner. So if we advertised |
4150 | * no flow control, that is what we will resolve to. |
4151 | * If we advertised some kind of receive capability |
4152 | * (Rx Pause Only or Full Flow Control) and the link |
4153 | * partner advertised none, we will configure |
4154 | * ourselves to enable Rx Flow Control only. We can |
4155 | * do this safely for two reasons: If the link |
4156 | * partner really didn't want flow control enabled, |
4157 | * and we enable Rx, no harm done since we won't be |
4158 | * receiving any PAUSE frames anyway. If the intent |
4159 | * on the link partner was to have flow control |
4160 | * enabled, then by us enabling RX only, we can at |
4161 | * least receive pause frames and process them. This |
4162 | * is a good idea because in most cases, since we are |
4163 | * predominantly a server NIC, more times than not we |
4164 | * will be asked to delay transmission of packets |
4165 | * than asking our link partner to pause transmission |
4166 | * of frames. |
4167 | */ |
4168 | else if ((hw->original_fc == E1000_FC_NONE0 || |
4169 | hw->original_fc == E1000_FC_TX_PAUSE2) || |
4170 | hw->fc_strict_ieee) { |
4171 | hw->fc = E1000_FC_NONE0; |
4172 | DEBUGOUT("Flow Control = NONE.\n"); |
4173 | } else { |
4174 | hw->fc = E1000_FC_RX_PAUSE1; |
4175 | DEBUGOUT("Flow Control = RX PAUSE frames only." |
4176 | "\n"); |
4177 | } |
4178 | /* |
4179 | * Now we need to do one last check... If we auto- |
4180 | * negotiated to HALF DUPLEX, flow control should not |
4181 | * be enabled per IEEE 802.3 spec. |
4182 | */ |
4183 | ret_val = em_get_speed_and_duplex(hw, &speed, &duplex); |
4184 | if (ret_val) { |
4185 | DEBUGOUT("Error getting link speed and duplex" |
4186 | "\n"); |
4187 | return ret_val; |
4188 | } |
4189 | if (duplex == HALF_DUPLEX1) |
4190 | hw->fc = E1000_FC_NONE0; |
4191 | /* |
4192 | * Now we call a subroutine to actually force the MAC |
4193 | * controller to use the correct flow control |
4194 | * settings. |
4195 | */ |
4196 | ret_val = em_force_mac_fc(hw); |
4197 | if (ret_val) { |
4198 | DEBUGOUT("Error forcing flow control settings" |
4199 | "\n"); |
4200 | return ret_val; |
4201 | } |
4202 | } else { |
4203 | DEBUGOUT("Copper PHY and Auto Neg has not completed." |
4204 | "\n"); |
4205 | } |
4206 | } |
4207 | return E1000_SUCCESS0; |
4208 | } |
4209 | /****************************************************************************** |
4210 | * Checks to see if the link status of the hardware has changed. |
4211 | * |
4212 | * hw - Struct containing variables accessed by shared code |
4213 | * |
4214 | * Called by any function that needs to check the link status of the adapter. |
4215 | *****************************************************************************/ |
4216 | int32_t |
4217 | em_check_for_link(struct em_hw *hw) |
4218 | { |
4219 | uint32_t rxcw = 0; |
4220 | uint32_t ctrl; |
4221 | uint32_t status; |
4222 | uint32_t rctl; |
4223 | uint32_t icr; |
4224 | uint32_t signal = 0; |
4225 | int32_t ret_val; |
4226 | uint16_t phy_data; |
4227 | DEBUGFUNC("em_check_for_link");; |
4228 | uint16_t speed, duplex; |
4229 | |
4230 | if (hw->mac_type >= em_82575 && |
4231 | hw->media_type != em_media_type_copper) { |
4232 | ret_val = em_get_pcs_speed_and_duplex_82575(hw, &speed, |
4233 | &duplex); |
4234 | hw->get_link_status = hw->serdes_link_down; |
4235 | |
4236 | return (ret_val); |
4237 | } |
4238 | |
4239 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
4240 | status = E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4241 | /* |
4242 | * On adapters with a MAC newer than 82544, SW Defineable pin 1 will |
4243 | * be set when the optics detect a signal. On older adapters, it will |
4244 | * be cleared when there is a signal. This applies to fiber media |
4245 | * only. |
4246 | */ |
4247 | if ((hw->media_type == em_media_type_fiber) || |
4248 | (hw->media_type == em_media_type_internal_serdes)) { |
4249 | rxcw = E1000_READ_REG(hw, RXCW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00180 : em_translate_82542_register (0x00180))))); |
4250 | |
4251 | if (hw->media_type == em_media_type_fiber) { |
4252 | signal = (hw->mac_type > em_82544) ? |
4253 | E1000_CTRL_SWDPIN10x00080000 : 0; |
4254 | if (status & E1000_STATUS_LU0x00000002) |
4255 | hw->get_link_status = FALSE0; |
4256 | } |
4257 | } |
4258 | /* |
4259 | * If we have a copper PHY then we only want to go out to the PHY |
4260 | * registers to see if Auto-Neg has completed and/or if our link |
4261 | * status has changed. The get_link_status flag will be set if we |
4262 | * receive a Link Status Change interrupt or we have Rx Sequence |
4263 | * Errors. |
4264 | */ |
4265 | if ((hw->media_type == em_media_type_copper || |
4266 | (hw->media_type == em_media_type_oem)) && |
4267 | hw->get_link_status) { |
4268 | /* |
4269 | * First we want to see if the MII Status Register reports |
4270 | * link. If so, then we want to get the current speed/duplex |
4271 | * of the PHY. Read the register twice since the link bit is |
4272 | * sticky. |
4273 | */ |
4274 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
4275 | if (ret_val) |
4276 | return ret_val; |
4277 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
4278 | if (ret_val) |
4279 | return ret_val; |
4280 | |
4281 | hw->icp_xxxx_is_link_up = (phy_data & MII_SR_LINK_STATUS0x0004) != 0; |
4282 | |
4283 | if (hw->mac_type == em_pchlan) { |
4284 | ret_val = em_k1_gig_workaround_hv(hw, |
4285 | hw->icp_xxxx_is_link_up); |
4286 | if (ret_val) |
4287 | return ret_val; |
4288 | } |
4289 | |
4290 | if (phy_data & MII_SR_LINK_STATUS0x0004) { |
4291 | hw->get_link_status = FALSE0; |
4292 | |
4293 | if (hw->phy_type == em_phy_82578) { |
4294 | ret_val = em_link_stall_workaround_hv(hw); |
4295 | if (ret_val) |
4296 | return ret_val; |
4297 | } |
4298 | |
4299 | if (hw->mac_type == em_pch2lan) { |
4300 | ret_val = em_k1_workaround_lv(hw); |
4301 | if (ret_val) |
4302 | return ret_val; |
4303 | } |
4304 | /* Work-around I218 hang issue */ |
4305 | if ((hw->device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM0x155A) || |
4306 | (hw->device_id == E1000_DEV_ID_PCH_LPTLP_I218_V0x1559) || |
4307 | (hw->device_id == E1000_DEV_ID_PCH_I218_LM30x15A2) || |
4308 | (hw->device_id == E1000_DEV_ID_PCH_I218_V30x15A3)) { |
4309 | ret_val = em_k1_workaround_lpt_lp(hw, |
4310 | hw->icp_xxxx_is_link_up); |
4311 | if (ret_val) |
4312 | return ret_val; |
4313 | } |
4314 | |
4315 | /* |
4316 | * Check if there was DownShift, must be checked |
4317 | * immediately after link-up |
4318 | */ |
4319 | em_check_downshift(hw); |
4320 | |
4321 | /* Enable/Disable EEE after link up */ |
4322 | if (hw->mac_type == em_pch2lan || |
4323 | hw->mac_type == em_pch_lpt || |
4324 | hw->mac_type == em_pch_spt || |
4325 | hw->mac_type == em_pch_cnp) { |
4326 | ret_val = em_set_eee_pchlan(hw); |
4327 | if (ret_val) |
4328 | return ret_val; |
4329 | } |
4330 | |
4331 | /* |
4332 | * If we are on 82544 or 82543 silicon and |
4333 | * speed/duplex are forced to 10H or 10F, then we |
4334 | * will implement the polarity reversal workaround. |
4335 | * We disable interrupts first, and upon returning, |
4336 | * place the devices interrupt state to its previous |
4337 | * value except for the link status change interrupt |
4338 | * which will happen due to the execution of this |
4339 | * workaround. |
4340 | */ |
4341 | if ((hw->mac_type == em_82544 || |
4342 | hw->mac_type == em_82543) && (!hw->autoneg) && |
4343 | (hw->forced_speed_duplex == em_10_full || |
4344 | hw->forced_speed_duplex == em_10_half)) { |
4345 | E1000_WRITE_REG(hw, IMC, 0xffffffff)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000D8 : em_translate_82542_register (0x000D8))), (0xffffffff))); |
4346 | ret_val = em_polarity_reversal_workaround(hw); |
4347 | icr = E1000_READ_REG(hw, ICR)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000C0 : em_translate_82542_register (0x000C0))))); |
4348 | E1000_WRITE_REG(hw, ICS,((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000C8 : em_translate_82542_register (0x000C8))), ((icr & ~0x00000004)))) |
4349 | (icr & ~E1000_ICS_LSC))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000C8 : em_translate_82542_register (0x000C8))), ((icr & ~0x00000004)))); |
4350 | E1000_WRITE_REG(hw, IMS, IMS_ENABLE_MASK)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x000D0 : em_translate_82542_register (0x000D0))), (( 0x00000080 | 0x00000001 | 0x00000010 | 0x00000008 | 0x00000040 | 0x00000004)))); |
4351 | } |
4352 | } else { |
4353 | /* No link detected */ |
4354 | em_config_dsp_after_link_change(hw, FALSE0); |
4355 | return 0; |
4356 | } |
4357 | /* |
4358 | * If we are forcing speed/duplex, then we simply return |
4359 | * since we have already determined whether we have link or |
4360 | * not. |
4361 | */ |
4362 | if (!hw->autoneg) |
4363 | return -E1000_ERR_CONFIG3; |
4364 | |
4365 | /* optimize the dsp settings for the igp phy */ |
4366 | em_config_dsp_after_link_change(hw, TRUE1); |
4367 | /* |
4368 | * We have a M88E1000 PHY and Auto-Neg is enabled. If we |
4369 | * have Si on board that is 82544 or newer, Auto Speed |
4370 | * Detection takes care of MAC speed/duplex configuration. |
4371 | * So we only need to configure Collision Distance in the |
4372 | * MAC. Otherwise, we need to force speed/duplex on the MAC |
4373 | * to the current PHY speed/duplex settings. |
4374 | */ |
4375 | if (hw->mac_type >= em_82544 && hw->mac_type != em_icp_xxxx) { |
4376 | em_config_collision_dist(hw); |
4377 | } else { |
4378 | ret_val = em_config_mac_to_phy(hw); |
4379 | if (ret_val) { |
4380 | DEBUGOUT("Error configuring MAC to PHY" |
4381 | " settings\n"); |
4382 | return ret_val; |
4383 | } |
4384 | } |
4385 | /* |
4386 | * Configure Flow Control now that Auto-Neg has completed. |
4387 | * First, we need to restore the desired flow control |
4388 | * settings because we may have had to re-autoneg with a |
4389 | * different link partner. |
4390 | */ |
4391 | ret_val = em_config_fc_after_link_up(hw); |
4392 | if (ret_val) { |
4393 | DEBUGOUT("Error configuring flow control\n"); |
4394 | return ret_val; |
4395 | } |
4396 | /* |
4397 | * At this point we know that we are on copper and we have |
4398 | * auto-negotiated link. These are conditions for checking |
4399 | * the link partner capability register. We use the link |
4400 | * speed to determine if TBI compatibility needs to be turned |
4401 | * on or off. If the link is not at gigabit speed, then TBI |
4402 | * compatibility is not needed. If we are at gigabit speed, |
4403 | * we turn on TBI compatibility. |
4404 | */ |
4405 | if (hw->tbi_compatibility_en) { |
4406 | uint16_t speed, duplex; |
4407 | ret_val = em_get_speed_and_duplex(hw, &speed, &duplex); |
4408 | if (ret_val) { |
4409 | DEBUGOUT("Error getting link speed and duplex" |
4410 | "\n"); |
4411 | return ret_val; |
4412 | } |
4413 | if (speed != SPEED_10001000) { |
4414 | /* |
4415 | * If link speed is not set to gigabit speed, |
4416 | * we do not need to enable TBI |
4417 | * compatibility. |
4418 | */ |
4419 | if (hw->tbi_compatibility_on) { |
4420 | /* |
4421 | * If we previously were in the mode, |
4422 | * turn it off. |
4423 | */ |
4424 | rctl = E1000_READ_REG(hw, RCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))))); |
4425 | rctl &= ~E1000_RCTL_SBP0x00000004; |
4426 | E1000_WRITE_REG(hw, RCTL, rctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))), (rctl))); |
4427 | hw->tbi_compatibility_on = FALSE0; |
4428 | } |
4429 | } else { |
4430 | /* |
4431 | * If TBI compatibility is was previously |
4432 | * off, turn it on. For compatibility with a |
4433 | * TBI link partner, we will store bad |
4434 | * packets. Some frames have an additional |
4435 | * byte on the end and will look like CRC |
4436 | * errors to to the hardware. |
4437 | */ |
4438 | if (!hw->tbi_compatibility_on) { |
4439 | hw->tbi_compatibility_on = TRUE1; |
4440 | rctl = E1000_READ_REG(hw, RCTL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))))); |
4441 | rctl |= E1000_RCTL_SBP0x00000004; |
4442 | E1000_WRITE_REG(hw, RCTL, rctl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00100 : em_translate_82542_register (0x00100))), (rctl))); |
4443 | } |
4444 | } |
4445 | } |
4446 | } |
4447 | /* |
4448 | * If we don't have link (auto-negotiation failed or link partner |
4449 | * cannot auto-negotiate), the cable is plugged in (we have signal), |
4450 | * and our link partner is not trying to auto-negotiate with us (we |
4451 | * are receiving idles or data), we need to force link up. We also |
4452 | * need to give auto-negotiation time to complete, in case the cable |
4453 | * was just plugged in. The autoneg_failed flag does this. |
4454 | */ |
4455 | else if ((((hw->media_type == em_media_type_fiber) && |
4456 | ((ctrl & E1000_CTRL_SWDPIN10x00080000) == signal)) || |
4457 | (hw->media_type == em_media_type_internal_serdes)) && |
4458 | (!(status & E1000_STATUS_LU0x00000002)) && (!(rxcw & E1000_RXCW_C0x20000000))) { |
4459 | if (hw->autoneg_failed == 0) { |
4460 | hw->autoneg_failed = 1; |
4461 | return 0; |
4462 | } |
4463 | DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\n"); |
4464 | |
4465 | /* Disable auto-negotiation in the TXCW register */ |
4466 | E1000_WRITE_REG(hw, TXCW, (hw->txcw & ~E1000_TXCW_ANE))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00178 : em_translate_82542_register (0x00178))), ((hw->txcw & ~0x80000000)))); |
4467 | |
4468 | /* Force link-up and also force full-duplex. */ |
4469 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
4470 | ctrl |= (E1000_CTRL_SLU0x00000040 | E1000_CTRL_FD0x00000001); |
4471 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
4472 | |
4473 | /* Configure Flow Control after forcing link up. */ |
4474 | ret_val = em_config_fc_after_link_up(hw); |
4475 | if (ret_val) { |
4476 | DEBUGOUT("Error configuring flow control\n"); |
4477 | return ret_val; |
4478 | } |
4479 | } |
4480 | /* |
4481 | * If we are forcing link and we are receiving /C/ ordered sets, |
4482 | * re-enable auto-negotiation in the TXCW register and disable forced |
4483 | * link in the Device Control register in an attempt to |
4484 | * auto-negotiate with our link partner. |
4485 | */ |
4486 | else if (((hw->media_type == em_media_type_fiber) || |
4487 | (hw->media_type == em_media_type_internal_serdes)) && |
4488 | (ctrl & E1000_CTRL_SLU0x00000040) && (rxcw & E1000_RXCW_C0x20000000)) { |
4489 | DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\n"); |
4490 | E1000_WRITE_REG(hw, TXCW, hw->txcw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00178 : em_translate_82542_register (0x00178))), (hw->txcw))); |
4491 | E1000_WRITE_REG(hw, CTRL, (ctrl & ~E1000_CTRL_SLU))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((ctrl & ~0x00000040)))); |
4492 | |
4493 | hw->serdes_link_down = FALSE0; |
4494 | } |
4495 | /* |
4496 | * If we force link for non-auto-negotiation switch, check link |
4497 | * status based on MAC synchronization for internal serdes media |
4498 | * type. |
4499 | */ |
4500 | else if ((hw->media_type == em_media_type_internal_serdes) && |
4501 | !(E1000_TXCW_ANE0x80000000 & E1000_READ_REG(hw, TXCW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00178 : em_translate_82542_register (0x00178))))))) { |
4502 | /* SYNCH bit and IV bit are sticky. */ |
4503 | usec_delay(10)(*delay_func)(10); |
4504 | if (E1000_RXCW_SYNCH0x40000000 & E1000_READ_REG(hw, RXCW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00180 : em_translate_82542_register (0x00180)))))) { |
4505 | if (!(rxcw & E1000_RXCW_IV0x08000000)) { |
4506 | hw->serdes_link_down = FALSE0; |
4507 | DEBUGOUT("SERDES: Link is up.\n"); |
4508 | } |
4509 | } else { |
4510 | hw->serdes_link_down = TRUE1; |
4511 | DEBUGOUT("SERDES: Link is down.\n"); |
4512 | } |
4513 | } |
4514 | if ((hw->media_type == em_media_type_internal_serdes) && |
4515 | (E1000_TXCW_ANE0x80000000 & E1000_READ_REG(hw, TXCW)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00178 : em_translate_82542_register (0x00178))))))) { |
4516 | hw->serdes_link_down = !(E1000_STATUS_LU0x00000002 & |
4517 | E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008)))))); |
4518 | } |
4519 | return E1000_SUCCESS0; |
4520 | } |
4521 | |
4522 | int32_t |
4523 | em_get_pcs_speed_and_duplex_82575(struct em_hw *hw, uint16_t *speed, |
4524 | uint16_t *duplex) |
4525 | { |
4526 | uint32_t pcs; |
4527 | |
4528 | hw->serdes_link_down = TRUE1; |
4529 | *speed = 0; |
4530 | *duplex = 0; |
4531 | |
4532 | /* |
4533 | * Read the PCS Status register for link state. For non-copper mode, |
4534 | * the status register is not accurate. The PCS status register is |
4535 | * used instead. |
4536 | */ |
4537 | pcs = E1000_READ_REG(hw, PCS_LSTAT)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x0420C : em_translate_82542_register (0x0420C))))); |
4538 | |
4539 | /* |
4540 | * The link up bit determines when link is up on autoneg. The sync ok |
4541 | * gets set once both sides sync up and agree upon link. Stable link |
4542 | * can be determined by checking for both link up and link sync ok |
4543 | */ |
4544 | if ((pcs & E1000_PCS_LSTS_LINK_OK0x01) && (pcs & E1000_PCS_LSTS_SYNK_OK0x10)) { |
4545 | hw->serdes_link_down = FALSE0; |
4546 | |
4547 | /* Detect and store PCS speed */ |
4548 | if (pcs & E1000_PCS_LSTS_SPEED_10000x04) { |
4549 | *speed = SPEED_10001000; |
4550 | } else if (pcs & E1000_PCS_LSTS_SPEED_1000x02) { |
4551 | *speed = SPEED_100100; |
4552 | } else { |
4553 | *speed = SPEED_1010; |
4554 | } |
4555 | |
4556 | /* Detect and store PCS duplex */ |
4557 | if (pcs & E1000_PCS_LSTS_DUPLEX_FULL0x08) { |
4558 | *duplex = FULL_DUPLEX2; |
4559 | } else { |
4560 | *duplex = HALF_DUPLEX1; |
4561 | } |
4562 | } |
4563 | |
4564 | return (0); |
4565 | } |
4566 | |
4567 | |
4568 | /****************************************************************************** |
4569 | * Detects the current speed and duplex settings of the hardware. |
4570 | * |
4571 | * hw - Struct containing variables accessed by shared code |
4572 | * speed - Speed of the connection |
4573 | * duplex - Duplex setting of the connection |
4574 | *****************************************************************************/ |
4575 | int32_t |
4576 | em_get_speed_and_duplex(struct em_hw *hw, uint16_t *speed, uint16_t *duplex) |
4577 | { |
4578 | uint32_t status; |
4579 | int32_t ret_val; |
4580 | uint16_t phy_data; |
4581 | DEBUGFUNC("em_get_speed_and_duplex");; |
4582 | |
4583 | if (hw->mac_type >= em_82575 && hw->media_type != em_media_type_copper) |
4584 | return em_get_pcs_speed_and_duplex_82575(hw, speed, duplex); |
4585 | |
4586 | if (hw->mac_type >= em_82543) { |
4587 | status = E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4588 | if (status & E1000_STATUS_SPEED_10000x00000080) { |
4589 | *speed = SPEED_10001000; |
4590 | DEBUGOUT("1000 Mbs, "); |
4591 | } else if (status & E1000_STATUS_SPEED_1000x00000040) { |
4592 | *speed = SPEED_100100; |
4593 | DEBUGOUT("100 Mbs, "); |
4594 | } else { |
4595 | *speed = SPEED_1010; |
4596 | DEBUGOUT("10 Mbs, "); |
4597 | } |
4598 | |
4599 | if (status & E1000_STATUS_FD0x00000001) { |
4600 | *duplex = FULL_DUPLEX2; |
4601 | DEBUGOUT("Full Duplex\n"); |
4602 | } else { |
4603 | *duplex = HALF_DUPLEX1; |
4604 | DEBUGOUT(" Half Duplex\n"); |
4605 | } |
4606 | } else { |
4607 | DEBUGOUT("1000 Mbs, Full Duplex\n"); |
4608 | *speed = SPEED_10001000; |
4609 | *duplex = FULL_DUPLEX2; |
4610 | } |
4611 | /* |
4612 | * IGP01 PHY may advertise full duplex operation after speed |
4613 | * downgrade even if it is operating at half duplex. Here we set the |
4614 | * duplex settings to match the duplex in the link partner's |
4615 | * capabilities. |
4616 | */ |
4617 | if (hw->phy_type == em_phy_igp && hw->speed_downgraded) { |
4618 | ret_val = em_read_phy_reg(hw, PHY_AUTONEG_EXP0x06, &phy_data); |
4619 | if (ret_val) |
4620 | return ret_val; |
4621 | |
4622 | if (!(phy_data & NWAY_ER_LP_NWAY_CAPS0x0001)) |
4623 | *duplex = HALF_DUPLEX1; |
4624 | else { |
4625 | ret_val = em_read_phy_reg(hw, PHY_LP_ABILITY0x05, |
4626 | &phy_data); |
4627 | if (ret_val) |
4628 | return ret_val; |
4629 | if ((*speed == SPEED_100100 && |
4630 | !(phy_data & NWAY_LPAR_100TX_FD_CAPS0x0100)) || |
4631 | (*speed == SPEED_1010 && |
4632 | !(phy_data & NWAY_LPAR_10T_FD_CAPS0x0040))) |
4633 | *duplex = HALF_DUPLEX1; |
4634 | } |
4635 | } |
4636 | if ((hw->mac_type == em_80003es2lan) && |
4637 | (hw->media_type == em_media_type_copper)) { |
4638 | if (*speed == SPEED_10001000) |
4639 | ret_val = em_configure_kmrn_for_1000(hw); |
4640 | else |
4641 | ret_val = em_configure_kmrn_for_10_100(hw, *duplex); |
4642 | if (ret_val) |
4643 | return ret_val; |
4644 | } |
4645 | if ((hw->mac_type == em_ich8lan) && |
4646 | (hw->phy_type == em_phy_igp_3) && |
4647 | (*speed == SPEED_10001000)) { |
4648 | ret_val = em_kumeran_lock_loss_workaround(hw); |
4649 | if (ret_val) |
4650 | return ret_val; |
4651 | } |
4652 | return E1000_SUCCESS0; |
4653 | } |
4654 | |
4655 | /****************************************************************************** |
4656 | * Blocks until autoneg completes or times out (~4.5 seconds) |
4657 | * |
4658 | * hw - Struct containing variables accessed by shared code |
4659 | *****************************************************************************/ |
4660 | STATIC int32_t |
4661 | em_wait_autoneg(struct em_hw *hw) |
4662 | { |
4663 | int32_t ret_val; |
4664 | uint16_t i; |
4665 | uint16_t phy_data; |
4666 | DEBUGFUNC("em_wait_autoneg");; |
4667 | DEBUGOUT("Waiting for Auto-Neg to complete.\n"); |
4668 | |
4669 | /* We will wait for autoneg to complete or 4.5 seconds to expire. */ |
4670 | for (i = PHY_AUTO_NEG_TIME45; i > 0; i--) { |
4671 | /* |
4672 | * Read the MII Status Register and wait for Auto-Neg |
4673 | * Complete bit to be set. |
4674 | */ |
4675 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
4676 | if (ret_val) |
4677 | return ret_val; |
4678 | ret_val = em_read_phy_reg(hw, PHY_STATUS0x01, &phy_data); |
4679 | if (ret_val) |
4680 | return ret_val; |
4681 | if (phy_data & MII_SR_AUTONEG_COMPLETE0x0020) { |
4682 | return E1000_SUCCESS0; |
4683 | } |
4684 | msec_delay(100)(*delay_func)(1000*(100)); |
4685 | } |
4686 | return E1000_SUCCESS0; |
4687 | } |
4688 | |
4689 | /****************************************************************************** |
4690 | * Raises the Management Data Clock |
4691 | * |
4692 | * hw - Struct containing variables accessed by shared code |
4693 | * ctrl - Device control register's current value |
4694 | *****************************************************************************/ |
4695 | static void |
4696 | em_raise_mdi_clk(struct em_hw *hw, uint32_t *ctrl) |
4697 | { |
4698 | /* |
4699 | * Raise the clock input to the Management Data Clock (by setting the |
4700 | * MDC bit), and then delay 10 microseconds. |
4701 | */ |
4702 | E1000_WRITE_REG(hw, CTRL, (*ctrl | E1000_CTRL_MDC))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((*ctrl | 0x00200000)))); |
4703 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4704 | usec_delay(10)(*delay_func)(10); |
4705 | } |
4706 | |
4707 | /****************************************************************************** |
4708 | * Lowers the Management Data Clock |
4709 | * |
4710 | * hw - Struct containing variables accessed by shared code |
4711 | * ctrl - Device control register's current value |
4712 | *****************************************************************************/ |
4713 | static void |
4714 | em_lower_mdi_clk(struct em_hw *hw, uint32_t *ctrl) |
4715 | { |
4716 | /* |
4717 | * Lower the clock input to the Management Data Clock (by clearing |
4718 | * the MDC bit), and then delay 10 microseconds. |
4719 | */ |
4720 | E1000_WRITE_REG(hw, CTRL, (*ctrl & ~E1000_CTRL_MDC))((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), ((*ctrl & ~0x00200000)))); |
4721 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4722 | usec_delay(10)(*delay_func)(10); |
4723 | } |
4724 | |
4725 | /****************************************************************************** |
4726 | * Shifts data bits out to the PHY |
4727 | * |
4728 | * hw - Struct containing variables accessed by shared code |
4729 | * data - Data to send out to the PHY |
4730 | * count - Number of bits to shift out |
4731 | * |
4732 | * Bits are shifted out in MSB to LSB order. |
4733 | *****************************************************************************/ |
4734 | static void |
4735 | em_shift_out_mdi_bits(struct em_hw *hw, uint32_t data, uint16_t count) |
4736 | { |
4737 | uint32_t ctrl; |
4738 | uint32_t mask; |
4739 | /* |
4740 | * We need to shift "count" number of bits out to the PHY. So, the |
4741 | * value in the "data" parameter will be shifted out to the PHY one |
4742 | * bit at a time. In order to do this, "data" must be broken down |
4743 | * into bits. |
4744 | */ |
4745 | mask = 0x01; |
4746 | mask <<= (count - 1); |
4747 | |
4748 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
4749 | |
4750 | /* Set MDIO_DIR and MDC_DIR direction bits to be used as output |
4751 | * pins. |
4752 | */ |
4753 | ctrl |= (E1000_CTRL_MDIO_DIR0x01000000 | E1000_CTRL_MDC_DIR0x02000000); |
4754 | |
4755 | while (mask) { |
4756 | /* |
4757 | * A "1" is shifted out to the PHY by setting the MDIO bit to |
4758 | * "1" and then raising and lowering the Management Data |
4759 | * Clock. A "0" is shifted out to the PHY by setting the MDIO |
4760 | * bit to "0" and then raising and lowering the clock. |
4761 | */ |
4762 | if (data & mask) |
4763 | ctrl |= E1000_CTRL_MDIO0x00100000; |
4764 | else |
4765 | ctrl &= ~E1000_CTRL_MDIO0x00100000; |
4766 | |
4767 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
4768 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4769 | |
4770 | usec_delay(10)(*delay_func)(10); |
4771 | |
4772 | em_raise_mdi_clk(hw, &ctrl); |
4773 | em_lower_mdi_clk(hw, &ctrl); |
4774 | |
4775 | mask = mask >> 1; |
4776 | } |
4777 | } |
4778 | |
4779 | /****************************************************************************** |
4780 | * Shifts data bits in from the PHY |
4781 | * |
4782 | * hw - Struct containing variables accessed by shared code |
4783 | * |
4784 | * Bits are shifted in in MSB to LSB order. |
4785 | *****************************************************************************/ |
4786 | static uint16_t |
4787 | em_shift_in_mdi_bits(struct em_hw *hw) |
4788 | { |
4789 | uint32_t ctrl; |
4790 | uint16_t data = 0; |
4791 | uint8_t i; |
4792 | /* |
4793 | * In order to read a register from the PHY, we need to shift in a |
4794 | * total of 18 bits from the PHY. The first two bit (turnaround) |
4795 | * times are used to avoid contention on the MDIO pin when a read |
4796 | * operation is performed. These two bits are ignored by us and |
4797 | * thrown away. Bits are "shifted in" by raising the input to the |
4798 | * Management Data Clock (setting the MDC bit), and then reading the |
4799 | * value of the MDIO bit. |
4800 | */ |
4801 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
4802 | /* |
4803 | * Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as |
4804 | * input. |
4805 | */ |
4806 | ctrl &= ~E1000_CTRL_MDIO_DIR0x01000000; |
4807 | ctrl &= ~E1000_CTRL_MDIO0x00100000; |
4808 | |
4809 | E1000_WRITE_REG(hw, CTRL, ctrl)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))), (ctrl))); |
4810 | E1000_WRITE_FLUSH(hw)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))); |
4811 | /* |
4812 | * Raise and Lower the clock before reading in the data. This |
4813 | * accounts for the turnaround bits. The first clock occurred when we |
4814 | * clocked out the last bit of the Register Address. |
4815 | */ |
4816 | em_raise_mdi_clk(hw, &ctrl); |
4817 | em_lower_mdi_clk(hw, &ctrl); |
4818 | |
4819 | for (data = 0, i = 0; i < 16; i++) { |
4820 | data = data << 1; |
4821 | em_raise_mdi_clk(hw, &ctrl); |
4822 | ctrl = E1000_READ_REG(hw, CTRL)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00000 : em_translate_82542_register (0x00000))))); |
4823 | /* Check to see if we shifted in a "1". */ |
4824 | if (ctrl & E1000_CTRL_MDIO0x00100000) |
4825 | data |= 1; |
4826 | em_lower_mdi_clk(hw, &ctrl); |
4827 | } |
4828 | |
4829 | em_raise_mdi_clk(hw, &ctrl); |
4830 | em_lower_mdi_clk(hw, &ctrl); |
4831 | |
4832 | return data; |
4833 | } |
4834 | |
4835 | STATIC int32_t |
4836 | em_swfw_sync_acquire(struct em_hw *hw, uint16_t mask) |
4837 | { |
4838 | uint32_t swfw_sync = 0; |
4839 | uint32_t swmask = mask; |
4840 | uint32_t fwmask = mask << 16; |
4841 | int32_t timeout = 200; |
4842 | DEBUGFUNC("em_swfw_sync_acquire");; |
4843 | |
4844 | if (hw->swfwhw_semaphore_present) |
4845 | return em_get_software_flag(hw); |
4846 | |
4847 | if (!hw->swfw_sync_present) |
4848 | return em_get_hw_eeprom_semaphore(hw); |
4849 | |
4850 | while (timeout) { |
4851 | if (em_get_hw_eeprom_semaphore(hw)) |
4852 | return -E1000_ERR_SWFW_SYNC13; |
4853 | |
4854 | swfw_sync = E1000_READ_REG(hw, SW_FW_SYNC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B5C : em_translate_82542_register (0x05B5C))))); |
4855 | if (!(swfw_sync & (fwmask | swmask))) { |
4856 | break; |
4857 | } |
4858 | /* |
4859 | * firmware currently using resource (fwmask) |
4860 | * or other software thread currently using resource (swmask) |
4861 | */ |
4862 | em_put_hw_eeprom_semaphore(hw); |
4863 | msec_delay_irq(5)(*delay_func)(1000*(5)); |
4864 | timeout--; |
4865 | } |
4866 | |
4867 | if (!timeout) { |
4868 | DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout." |
4869 | "\n"); |
4870 | return -E1000_ERR_SWFW_SYNC13; |
4871 | } |
4872 | swfw_sync |= swmask; |
4873 | E1000_WRITE_REG(hw, SW_FW_SYNC, swfw_sync)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B5C : em_translate_82542_register (0x05B5C))), (swfw_sync))); |
4874 | |
4875 | em_put_hw_eeprom_semaphore(hw); |
4876 | return E1000_SUCCESS0; |
4877 | } |
4878 | |
4879 | STATIC void |
4880 | em_swfw_sync_release(struct em_hw *hw, uint16_t mask) |
4881 | { |
4882 | uint32_t swfw_sync; |
4883 | uint32_t swmask = mask; |
4884 | DEBUGFUNC("em_swfw_sync_release");; |
4885 | |
4886 | if (hw->swfwhw_semaphore_present) { |
4887 | em_release_software_flag(hw); |
4888 | return; |
4889 | } |
4890 | if (!hw->swfw_sync_present) { |
4891 | em_put_hw_eeprom_semaphore(hw); |
4892 | return; |
4893 | } |
4894 | /* |
4895 | * if (em_get_hw_eeprom_semaphore(hw)) return -E1000_ERR_SWFW_SYNC; |
4896 | */ |
4897 | while (em_get_hw_eeprom_semaphore(hw) != E1000_SUCCESS0); |
4898 | /* empty */ |
4899 | |
4900 | swfw_sync = E1000_READ_REG(hw, SW_FW_SYNC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B5C : em_translate_82542_register (0x05B5C))))); |
4901 | swfw_sync &= ~swmask; |
4902 | E1000_WRITE_REG(hw, SW_FW_SYNC, swfw_sync)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x05B5C : em_translate_82542_register (0x05B5C))), (swfw_sync))); |
4903 | |
4904 | em_put_hw_eeprom_semaphore(hw); |
4905 | } |
4906 | |
4907 | /**************************************************************************** |
4908 | * Read BM PHY wakeup register. It works as such: |
4909 | * 1) Set page 769, register 17, bit 2 = 1 |
4910 | * 2) Set page to 800 for host (801 if we were manageability) |
4911 | * 3) Write the address using the address opcode (0x11) |
4912 | * 4) Read or write the data using the data opcode (0x12) |
4913 | * 5) Restore 769_17.2 to its original value |
4914 | ****************************************************************************/ |
4915 | int32_t |
4916 | em_access_phy_wakeup_reg_bm(struct em_hw *hw, uint32_t reg_addr, |
4917 | uint16_t *phy_data, boolean_t read) |
4918 | { |
4919 | int32_t ret_val; |
4920 | uint16_t reg = BM_PHY_REG_NUM(reg_addr)((uint16_t)(((reg_addr) & 0x1F) | (((reg_addr) >> ( 21 - 5)) & ~0x1F))); |
4921 | uint16_t phy_reg = 0; |
4922 | |
4923 | /* All operations in this function are phy address 1 */ |
4924 | hw->phy_addr = 1; |
4925 | |
4926 | /* Set page 769 */ |
4927 | em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
4928 | (BM_WUC_ENABLE_PAGE769 << PHY_PAGE_SHIFT5)); |
4929 | |
4930 | ret_val = em_read_phy_reg_ex(hw, BM_WUC_ENABLE_REG17, &phy_reg); |
4931 | if (ret_val) |
4932 | goto out; |
4933 | |
4934 | /* First clear bit 4 to avoid a power state change */ |
4935 | phy_reg &= ~(BM_WUC_HOST_WU_BIT(1 << 4)); |
4936 | ret_val = em_write_phy_reg_ex(hw, BM_WUC_ENABLE_REG17, phy_reg); |
4937 | if (ret_val) |
4938 | goto out; |
4939 | |
4940 | /* Write bit 2 = 1, and clear bit 4 to 769_17 */ |
4941 | ret_val = em_write_phy_reg_ex(hw, BM_WUC_ENABLE_REG17, |
4942 | phy_reg | BM_WUC_ENABLE_BIT(1 << 2)); |
4943 | if (ret_val) |
4944 | goto out; |
4945 | |
4946 | /* Select page 800 */ |
4947 | ret_val = em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
4948 | (BM_WUC_PAGE800 << PHY_PAGE_SHIFT5)); |
4949 | |
4950 | /* Write the page 800 offset value using opcode 0x11 */ |
4951 | ret_val = em_write_phy_reg_ex(hw, BM_WUC_ADDRESS_OPCODE0x11, reg); |
4952 | if (ret_val) |
4953 | goto out; |
4954 | |
4955 | if (read) |
4956 | /* Read the page 800 value using opcode 0x12 */ |
4957 | ret_val = em_read_phy_reg_ex(hw, BM_WUC_DATA_OPCODE0x12, |
4958 | phy_data); |
4959 | else |
4960 | /* Write the page 800 value using opcode 0x12 */ |
4961 | ret_val = em_write_phy_reg_ex(hw, BM_WUC_DATA_OPCODE0x12, |
4962 | *phy_data); |
4963 | |
4964 | if (ret_val) |
4965 | goto out; |
4966 | |
4967 | /* |
4968 | * Restore 769_17.2 to its original value |
4969 | * Set page 769 |
4970 | */ |
4971 | em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
4972 | (BM_WUC_ENABLE_PAGE769 << PHY_PAGE_SHIFT5)); |
4973 | |
4974 | /* Clear 769_17.2 */ |
4975 | ret_val = em_write_phy_reg_ex(hw, BM_WUC_ENABLE_REG17, phy_reg); |
4976 | if (ret_val) |
4977 | goto out; |
4978 | |
4979 | out: |
4980 | return ret_val; |
4981 | } |
4982 | |
4983 | /*************************************************************************** |
4984 | * Read HV PHY vendor specific high registers |
4985 | ***************************************************************************/ |
4986 | int32_t |
4987 | em_access_phy_debug_regs_hv(struct em_hw *hw, uint32_t reg_addr, |
4988 | uint16_t *phy_data, boolean_t read) |
4989 | { |
4990 | int32_t ret_val; |
4991 | uint32_t addr_reg = 0; |
4992 | uint32_t data_reg = 0; |
4993 | |
4994 | /* This takes care of the difference with desktop vs mobile phy */ |
4995 | addr_reg = (hw->phy_type == em_phy_82578) ? |
4996 | I82578_PHY_ADDR_REG29 : I82577_PHY_ADDR_REG16; |
4997 | data_reg = addr_reg + 1; |
4998 | |
4999 | /* All operations in this function are phy address 2 */ |
5000 | hw->phy_addr = 2; |
5001 | |
5002 | /* masking with 0x3F to remove the page from offset */ |
5003 | ret_val = em_write_phy_reg_ex(hw, addr_reg, (uint16_t)reg_addr & 0x3F); |
5004 | if (ret_val) { |
5005 | printf("Could not write PHY the HV address register\n"); |
5006 | goto out; |
5007 | } |
5008 | |
5009 | /* Read or write the data value next */ |
5010 | if (read) |
5011 | ret_val = em_read_phy_reg_ex(hw, data_reg, phy_data); |
5012 | else |
5013 | ret_val = em_write_phy_reg_ex(hw, data_reg, *phy_data); |
5014 | |
5015 | if (ret_val) { |
5016 | printf("Could not read data value from HV data register\n"); |
5017 | goto out; |
5018 | } |
5019 | |
5020 | out: |
5021 | return ret_val; |
5022 | } |
5023 | |
5024 | /****************************************************************************** |
5025 | * Reads or writes the value from a PHY register, if the value is on a specific |
5026 | * non zero page, sets the page first. |
5027 | * hw - Struct containing variables accessed by shared code |
5028 | * reg_addr - address of the PHY register to read |
5029 | *****************************************************************************/ |
5030 | int32_t |
5031 | em_access_phy_reg_hv(struct em_hw *hw, uint32_t reg_addr, uint16_t *phy_data, |
5032 | boolean_t read) |
5033 | { |
5034 | uint32_t ret_val; |
5035 | uint16_t swfw; |
5036 | uint16_t page = BM_PHY_REG_PAGE(reg_addr)((uint16_t)(((reg_addr) >> 5) & 0xFFFF)); |
5037 | uint16_t reg = BM_PHY_REG_NUM(reg_addr)((uint16_t)(((reg_addr) & 0x1F) | (((reg_addr) >> ( 21 - 5)) & ~0x1F))); |
5038 | |
5039 | DEBUGFUNC("em_access_phy_reg_hv");; |
5040 | |
5041 | swfw = E1000_SWFW_PHY0_SM0x0002; |
5042 | |
5043 | if (em_swfw_sync_acquire(hw, swfw)) |
5044 | return -E1000_ERR_SWFW_SYNC13; |
5045 | |
5046 | if (page == BM_WUC_PAGE800) { |
5047 | ret_val = em_access_phy_wakeup_reg_bm(hw, reg_addr, |
5048 | phy_data, read); |
5049 | goto release; |
5050 | } |
5051 | |
5052 | if (page >= HV_INTC_FC_PAGE_START768) |
5053 | hw->phy_addr = 1; |
5054 | else |
5055 | hw->phy_addr = 2; |
5056 | |
5057 | if (page == HV_INTC_FC_PAGE_START768) |
5058 | page = 0; |
5059 | |
5060 | /* |
5061 | * Workaround MDIO accesses being disabled after entering IEEE Power |
5062 | * Down (whenever bit 11 of the PHY Control register is set) |
5063 | */ |
5064 | if (!read && |
5065 | (hw->phy_type == em_phy_82578) && |
5066 | (hw->phy_revision >= 1) && |
5067 | (hw->phy_addr == 2) && |
5068 | ((MAX_PHY_REG_ADDRESS0x1F & reg) == 0) && |
5069 | (*phy_data & (1 << 11))) { |
5070 | uint16_t data2 = 0x7EFF; |
5071 | |
5072 | ret_val = em_access_phy_debug_regs_hv(hw, (1 << 6) | 0x3, |
5073 | &data2, FALSE0); |
5074 | if (ret_val) |
5075 | return ret_val; |
5076 | } |
5077 | |
5078 | if (reg_addr > MAX_PHY_MULTI_PAGE_REG0xF) { |
5079 | ret_val = em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
5080 | (page << PHY_PAGE_SHIFT5)); |
5081 | if (ret_val) |
5082 | return ret_val; |
5083 | } |
5084 | if (read) |
5085 | ret_val = em_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS0x1F & reg, |
5086 | phy_data); |
5087 | else |
5088 | ret_val = em_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS0x1F & reg, |
5089 | *phy_data); |
5090 | release: |
5091 | em_swfw_sync_release(hw, swfw); |
5092 | return ret_val; |
5093 | } |
5094 | |
5095 | /****************************************************************************** |
5096 | * Reads the value from a PHY register, if the value is on a specific non zero |
5097 | * page, sets the page first. |
5098 | * hw - Struct containing variables accessed by shared code |
5099 | * reg_addr - address of the PHY register to read |
5100 | *****************************************************************************/ |
5101 | int32_t |
5102 | em_read_phy_reg(struct em_hw *hw, uint32_t reg_addr, uint16_t *phy_data) |
5103 | { |
5104 | uint32_t ret_val; |
5105 | uint16_t swfw; |
5106 | DEBUGFUNC("em_read_phy_reg");; |
5107 | |
5108 | if (hw->mac_type == em_pchlan || |
5109 | hw->mac_type == em_pch2lan || |
5110 | hw->mac_type == em_pch_lpt || |
5111 | hw->mac_type == em_pch_spt || |
5112 | hw->mac_type == em_pch_cnp) |
5113 | return (em_access_phy_reg_hv(hw, reg_addr, phy_data, TRUE1)); |
5114 | |
5115 | if (((hw->mac_type == em_80003es2lan) || (hw->mac_type == em_82575) || |
5116 | (hw->mac_type == em_82576)) && |
5117 | (E1000_READ_REG(hw, STATUS)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00008 : em_translate_82542_register (0x00008))))) & E1000_STATUS_FUNC_10x00000004)) { |
5118 | swfw = E1000_SWFW_PHY1_SM0x0004; |
5119 | } else { |
5120 | swfw = E1000_SWFW_PHY0_SM0x0002; |
5121 | } |
5122 | if (em_swfw_sync_acquire(hw, swfw)) |
5123 | return -E1000_ERR_SWFW_SYNC13; |
5124 | |
5125 | if ((hw->phy_type == em_phy_igp || |
5126 | hw->phy_type == em_phy_igp_3 || |
5127 | hw->phy_type == em_phy_igp_2) && |
5128 | (reg_addr > MAX_PHY_MULTI_PAGE_REG0xF)) { |
5129 | ret_val = em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
5130 | (uint16_t) reg_addr); |
5131 | if (ret_val) { |
5132 | em_swfw_sync_release(hw, swfw); |
5133 | return ret_val; |
5134 | } |
5135 | } else if (hw->phy_type == em_phy_gg82563) { |
5136 | if (((reg_addr & MAX_PHY_REG_ADDRESS0x1F) > MAX_PHY_MULTI_PAGE_REG0xF) || |
5137 | (hw->mac_type == em_80003es2lan)) { |
5138 | /* Select Configuration Page */ |
5139 | if ((reg_addr & MAX_PHY_REG_ADDRESS0x1F) < |
5140 | GG82563_MIN_ALT_REG30) { |
5141 | ret_val = em_write_phy_reg_ex(hw, |
5142 | GG82563_PHY_PAGE_SELECT(((0) << 5) | ((22) & 0x1F)), |
5143 | (uint16_t) ((uint16_t) reg_addr >> |
5144 | GG82563_PAGE_SHIFT5)); |
5145 | } else { |
5146 | /* |
5147 | * Use Alternative Page Select register to |
5148 | * access registers 30 and 31 |
5149 | */ |
5150 | ret_val = em_write_phy_reg_ex(hw, |
5151 | GG82563_PHY_PAGE_SELECT_ALT(((0) << 5) | ((29) & 0x1F)), |
5152 | (uint16_t) ((uint16_t) reg_addr >> |
5153 | GG82563_PAGE_SHIFT5)); |
5154 | } |
5155 | |
5156 | if (ret_val) { |
5157 | em_swfw_sync_release(hw, swfw); |
5158 | return ret_val; |
5159 | } |
5160 | } |
5161 | } else if ((hw->phy_type == em_phy_bm) && (hw->phy_revision == 1)) { |
5162 | if (reg_addr > MAX_PHY_MULTI_PAGE_REG0xF) { |
5163 | ret_val = em_write_phy_reg_ex(hw, BM_PHY_PAGE_SELECT22, |
5164 | (uint16_t) ((uint16_t) reg_addr >> |
5165 | PHY_PAGE_SHIFT5)); |
5166 | if (ret_val) |
5167 | return ret_val; |
5168 | } |
5169 | } |
5170 | ret_val = em_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS0x1F & reg_addr, |
5171 | phy_data); |
5172 | |
5173 | em_swfw_sync_release(hw, swfw); |
5174 | return ret_val; |
5175 | } |
5176 | |
5177 | STATIC int32_t |
5178 | em_read_phy_reg_ex(struct em_hw *hw, uint32_t reg_addr, uint16_t *phy_data) |
5179 | { |
5180 | uint32_t i; |
5181 | uint32_t mdic = 0; |
5182 | DEBUGFUNC("em_read_phy_reg_ex");; |
5183 | |
5184 | /* SGMII active is only set on some specific chips */ |
5185 | if (hw->sgmii_active && !em_sgmii_uses_mdio_82575(hw)) { |
5186 | if (reg_addr > E1000_MAX_SGMII_PHY_REG_ADDR255) { |
5187 | DEBUGOUT1("PHY Address %d is out of range\n", reg_addr); |
5188 | return -E1000_ERR_PARAM4; |
5189 | } |
5190 | return em_read_phy_reg_i2c(hw, reg_addr, phy_data); |
5191 | } |
5192 | if (reg_addr > MAX_PHY_REG_ADDRESS0x1F) { |
5193 | DEBUGOUT1("PHY Address %d is out of range\n", reg_addr); |
5194 | return -E1000_ERR_PARAM4; |
5195 | } |
5196 | if (hw->mac_type == em_icp_xxxx) { |
5197 | *phy_data = gcu_miibus_readreg(hw, hw->icp_xxxx_port_num, |
5198 | reg_addr); |
5199 | return E1000_SUCCESS0; |
5200 | } |
5201 | if (hw->mac_type > em_82543) { |
5202 | /* |
5203 | * Set up Op-code, Phy Address, and register address in the |
5204 | * MDI Control register. The MAC will take care of |
5205 | * interfacing with the PHY to retrieve the desired data. |
5206 | */ |
5207 | mdic = ((reg_addr << E1000_MDIC_REG_SHIFT16) | |
5208 | (hw->phy_addr << E1000_MDIC_PHY_SHIFT21) | |
5209 | (E1000_MDIC_OP_READ0x08000000)); |
5210 | |
5211 | E1000_WRITE_REG(hw, MDIC, mdic)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00020 : em_translate_82542_register (0x00020))), (mdic))); |
5212 | |
5213 | /* |
5214 | * Poll the ready bit to see if the MDI read completed |
5215 | * Increasing the time out as testing showed failures with |
5216 | * the lower time out (from FreeBSD driver) |
5217 | */ |
5218 | for (i = 0; i < 1960; i++) { |
5219 | usec_delay(50)(*delay_func)(50); |
5220 | mdic = E1000_READ_REG(hw, MDIC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00020 : em_translate_82542_register (0x00020))))); |
5221 | if (mdic & E1000_MDIC_READY0x10000000) |
5222 | break; |
5223 | } |
5224 | if (!(mdic & E1000_MDIC_READY0x10000000)) { |
5225 | DEBUGOUT("MDI Read did not complete\n"); |
5226 | return -E1000_ERR_PHY2; |
5227 | } |
5228 | if (mdic & E1000_MDIC_ERROR0x40000000) { |
5229 | DEBUGOUT("MDI Error\n"); |
5230 | return -E1000_ERR_PHY2; |
5231 | } |
5232 | *phy_data = (uint16_t) mdic; |
5233 | |
5234 | if (hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || |
5235 | hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp) |
5236 | usec_delay(100)(*delay_func)(100); |
5237 | } else { |
5238 | /* |
5239 | * We must first send a preamble through the MDIO pin to |
5240 | * signal the beginning of an MII instruction. This is done |
5241 | * by sending 32 consecutive "1" bits. |
5242 | */ |
5243 | em_shift_out_mdi_bits(hw, PHY_PREAMBLE0xFFFFFFFF, PHY_PREAMBLE_SIZE32); |
5244 | /* |
5245 | * Now combine the next few fields that are required for a |
5246 | * read operation. We use this method instead of calling the |
5247 | * em_shift_out_mdi_bits routine five different times. The |
5248 | * format of a MII read instruction consists of a shift out |
5249 | * of 14 bits and is defined as follows: <Preamble><SOF><Op |
5250 | * Code><Phy Addr><Reg Addr> followed by a shift in of 18 |
5251 | * bits. This first two bits shifted in are TurnAround bits |
5252 | * used to avoid contention on the MDIO pin when a READ |
5253 | * operation is performed. These two bits are thrown away |
5254 | * followed by a shift in of 16 bits which contains the |
5255 | * desired data. |
5256 | */ |
5257 | mdic = ((reg_addr) | (hw->phy_addr << 5) | |
5258 | (PHY_OP_READ0x02 << 10) | (PHY_SOF0x01 << 12)); |
5259 | |
5260 | em_shift_out_mdi_bits(hw, mdic, 14); |
5261 | /* |
5262 | * Now that we've shifted out the read command to the MII, we |
5263 | * need to "shift in" the 16-bit value (18 total bits) of the |
5264 | * requested PHY register address. |
5265 | */ |
5266 | *phy_data = em_shift_in_mdi_bits(hw); |
5267 | } |
5268 | return E1000_SUCCESS0; |
5269 | } |
5270 | |
5271 | /****************************************************************************** |
5272 | * Writes a value to a PHY register |
5273 | * |
5274 | * hw - Struct containing variables accessed by shared code |
5275 | * reg_addr - address of the PHY register to write |
5276 | * data - data to write to the PHY |
5277 | *****************************************************************************/ |
5278 | int32_t |
5279 | em_write_phy_reg(struct em_hw *hw, uint32_t reg_addr, uint16_t phy_data) |
5280 | { |
5281 | uint32_t ret_val; |
5282 | DEBUGFUNC("em_write_phy_reg");; |
5283 | |
5284 | if (hw->mac_type == em_pchlan || |
5285 | hw->mac_type == em_pch2lan || |
5286 | hw->mac_type == em_pch_lpt || |
5287 | hw->mac_type == em_pch_spt || |
5288 | hw->mac_type == em_pch_cnp) |
5289 | return (em_access_phy_reg_hv(hw, reg_addr, &phy_data, FALSE0)); |
5290 | |
5291 | if (em_swfw_sync_acquire(hw, hw->swfw)) |
5292 | return -E1000_ERR_SWFW_SYNC13; |
5293 | |
5294 | if ((hw->phy_type == em_phy_igp || |
5295 | hw->phy_type == em_phy_igp_3 || |
5296 | hw->phy_type == em_phy_igp_2) && |
5297 | (reg_addr > MAX_PHY_MULTI_PAGE_REG0xF)) { |
5298 | ret_val = em_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT0x1F, |
5299 | (uint16_t) reg_addr); |
5300 | if (ret_val) { |
5301 | em_swfw_sync_release(hw, hw->swfw); |
5302 | return ret_val; |
5303 | } |
5304 | } else if (hw->phy_type == em_phy_gg82563) { |
5305 | if (((reg_addr & MAX_PHY_REG_ADDRESS0x1F) > MAX_PHY_MULTI_PAGE_REG0xF) || |
5306 | (hw->mac_type == em_80003es2lan)) { |
5307 | /* Select Configuration Page */ |
5308 | if ((reg_addr & MAX_PHY_REG_ADDRESS0x1F) < |
5309 | GG82563_MIN_ALT_REG30) { |
5310 | ret_val = em_write_phy_reg_ex(hw, |
5311 | GG82563_PHY_PAGE_SELECT(((0) << 5) | ((22) & 0x1F)), |
5312 | (uint16_t) ((uint16_t) reg_addr >> |
5313 | GG82563_PAGE_SHIFT5)); |
5314 | } else { |
5315 | /* |
5316 | * Use Alternative Page Select register to |
5317 | * access registers 30 and 31 |
5318 | */ |
5319 | ret_val = em_write_phy_reg_ex(hw, |
5320 | GG82563_PHY_PAGE_SELECT_ALT(((0) << 5) | ((29) & 0x1F)), |
5321 | (uint16_t) ((uint16_t) reg_addr >> |
5322 | GG82563_PAGE_SHIFT5)); |
5323 | } |
5324 | |
5325 | if (ret_val) { |
5326 | em_swfw_sync_release(hw, hw->swfw); |
5327 | return ret_val; |
5328 | } |
5329 | } |
5330 | } else if ((hw->phy_type == em_phy_bm) && (hw->phy_revision == 1)) { |
5331 | if (reg_addr > MAX_PHY_MULTI_PAGE_REG0xF) { |
5332 | ret_val = em_write_phy_reg_ex(hw, BM_PHY_PAGE_SELECT22, |
5333 | (uint16_t) ((uint16_t) reg_addr >> |
5334 | PHY_PAGE_SHIFT5)); |
5335 | if (ret_val) |
5336 | return ret_val; |
5337 | } |
5338 | } |
5339 | ret_val = em_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS0x1F & reg_addr, |
5340 | phy_data); |
5341 | |
5342 | em_swfw_sync_release(hw, hw->swfw); |
5343 | return ret_val; |
5344 | } |
5345 | |
5346 | STATIC int32_t |
5347 | em_write_phy_reg_ex(struct em_hw *hw, uint32_t reg_addr, uint16_t phy_data) |
5348 | { |
5349 | uint32_t i; |
5350 | uint32_t mdic = 0; |
5351 | DEBUGFUNC("em_write_phy_reg_ex");; |
5352 | |
5353 | /* SGMII active is only set on some specific chips */ |
5354 | if (hw->sgmii_active && !em_sgmii_uses_mdio_82575(hw)) { |
5355 | if (reg_addr > E1000_MAX_SGMII_PHY_REG_ADDR255) { |
5356 | DEBUGOUT1("PHY Address %d is out of range\n", reg_addr); |
5357 | return -E1000_ERR_PARAM4; |
5358 | } |
5359 | return em_write_phy_reg_i2c(hw, reg_addr, phy_data); |
5360 | } |
5361 | if (reg_addr > MAX_PHY_REG_ADDRESS0x1F) { |
5362 | DEBUGOUT1("PHY Address %d is out of range\n", reg_addr); |
5363 | return -E1000_ERR_PARAM4; |
5364 | } |
5365 | if (hw->mac_type == em_icp_xxxx) { |
5366 | gcu_miibus_writereg(hw, hw->icp_xxxx_port_num, |
5367 | reg_addr, phy_data); |
5368 | return E1000_SUCCESS0; |
5369 | } |
5370 | if (hw->mac_type > em_82543) { |
5371 | /* |
5372 | * Set up Op-code, Phy Address, register address, and data |
5373 | * intended for the PHY register in the MDI Control register. |
5374 | * The MAC will take care of interfacing with the PHY to send |
5375 | * the desired data. |
5376 | */ |
5377 | mdic = (((uint32_t) phy_data) | |
5378 | (reg_addr << E1000_MDIC_REG_SHIFT16) | |
5379 | (hw->phy_addr << E1000_MDIC_PHY_SHIFT21) | |
5380 | (E1000_MDIC_OP_WRITE0x04000000)); |
5381 | |
5382 | E1000_WRITE_REG(hw, MDIC, mdic)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00020 : em_translate_82542_register (0x00020))), (mdic))); |
5383 | |
5384 | /* Poll the ready bit to see if the MDI read completed */ |
5385 | for (i = 0; i < 641; i++) { |
5386 | usec_delay(5)(*delay_func)(5); |
5387 | mdic = E1000_READ_REG(hw, MDIC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00020 : em_translate_82542_register (0x00020))))); |
5388 | if (mdic & E1000_MDIC_READY0x10000000) |
5389 | break; |
5390 | } |
5391 | if (!(mdic & E1000_MDIC_READY0x10000000)) { |
5392 | DEBUGOUT("MDI Write did not complete\n"); |
5393 | return -E1000_ERR_PHY2; |
5394 | } |
5395 | |
5396 | if (hw->mac_type == em_pch2lan || hw->mac_type == em_pch_lpt || |
5397 | hw->mac_type == em_pch_spt || hw->mac_type == em_pch_cnp) |
5398 | usec_delay(100)(*delay_func)(100); |
5399 | } else { |
5400 | /* |
5401 | * We'll need to use the SW defined pins to shift the write |
5402 | * command out to the PHY. We first send a preamble to the |
5403 | * PHY to signal the beginning of the MII instruction. This |
5404 | * is done by sending 32 consecutive "1" bits. |
5405 | */ |
5406 | em_shift_out_mdi_bits(hw, PHY_PREAMBLE0xFFFFFFFF, PHY_PREAMBLE_SIZE32); |
5407 | /* |
5408 | * Now combine the remaining required fields that will |
5409 | * indicate a write operation. We use this method instead of |
5410 | * calling the em_shift_out_mdi_bits routine for each field |
5411 | * in the command. The format of a MII write instruction is |
5412 | * as follows: <Preamble><SOF><Op Code><Phy Addr><Reg |
5413 | * Addr><Turnaround><Data>. |
5414 | */ |
5415 | mdic = ((PHY_TURNAROUND0x02) | (reg_addr << 2) | |
5416 | (hw->phy_addr << 7) | (PHY_OP_WRITE0x01 << 12) | |
5417 | (PHY_SOF0x01 << 14)); |
5418 | mdic <<= 16; |
5419 | mdic |= (uint32_t) phy_data; |
5420 | |
5421 | em_shift_out_mdi_bits(hw, mdic, 32); |
5422 | } |
5423 | |
5424 | return E1000_SUCCESS0; |
5425 | } |
5426 | |
5427 | STATIC int32_t |
5428 | em_read_kmrn_reg(struct em_hw *hw, uint32_t reg_addr, uint16_t *data) |
5429 | { |
5430 | uint32_t reg_val; |
5431 | DEBUGFUNC("em_read_kmrn_reg");; |
5432 | |
5433 | if (em_swfw_sync_acquire(hw, hw->swfw)) |
5434 | return -E1000_ERR_SWFW_SYNC13; |
5435 | |
5436 | /* Write register address */ |
5437 | reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT16) & |
5438 | E1000_KUMCTRLSTA_OFFSET0x001F0000) | |
5439 | E1000_KUMCTRLSTA_REN0x00200000; |
5440 | |
5441 | E1000_WRITE_REG(hw, KUMCTRLSTA, reg_val)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00034 : em_translate_82542_register (0x00034))), (reg_val))); |
5442 | usec_delay(2)(*delay_func)(2); |
5443 | |
5444 | /* Read the data returned */ |
5445 | reg_val = E1000_READ_REG(hw, KUMCTRLSTA)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00034 : em_translate_82542_register (0x00034))))); |
5446 | *data = (uint16_t) reg_val; |
5447 | |
5448 | em_swfw_sync_release(hw, hw->swfw); |
5449 | return E1000_SUCCESS0; |
5450 | } |
5451 | |
5452 | STATIC int32_t |
5453 | em_write_kmrn_reg(struct em_hw *hw, uint32_t reg_addr, uint16_t data) |
5454 | { |
5455 | uint32_t reg_val; |
5456 | DEBUGFUNC("em_write_kmrn_reg");; |
5457 | |
5458 | if (em_swfw_sync_acquire(hw, hw->swfw)) |
5459 | return -E1000_ERR_SWFW_SYNC13; |
5460 | |
5461 | reg_val = ((reg_addr << E1000_KUMCTRLSTA_OFFSET_SHIFT16) & |
5462 | E1000_KUMCTRLSTA_OFFSET0x001F0000) | data; |
5463 | |
5464 | E1000_WRITE_REG(hw, KUMCTRLSTA, reg_val)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00034 : em_translate_82542_register (0x00034))), (reg_val))); |
5465 | usec_delay(2)(*delay_func)(2); |
5466 | |
5467 | em_swfw_sync_release(hw, hw->swfw); |
5468 | return E1000_SUCCESS0; |
5469 | } |
5470 | |
5471 | /** |
5472 | * em_sgmii_uses_mdio_82575 - Determine if I2C pins are for external MDIO |
5473 | * @hw: pointer to the HW structure |
5474 | * |
5475 | * Called to determine if the I2C pins are being used for I2C or as an |
5476 | * external MDIO interface since the two options are mutually exclusive. |
5477 | **/ |
5478 | int em_sgmii_uses_mdio_82575(struct em_hw *hw) |
5479 | { |
5480 | uint32_t reg = 0; |
5481 | int ext_mdio = 0; |
5482 | |
5483 | DEBUGFUNC("em_sgmii_uses_mdio_82575");; |
5484 | |
5485 | switch (hw->mac_type) { |
5486 | case em_82575: |
5487 | case em_82576: |
5488 | reg = E1000_READ_REG(hw, MDIC)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00020 : em_translate_82542_register (0x00020))))); |
5489 | ext_mdio = !!(reg & E1000_MDIC_DEST0x80000000); |
5490 | break; |
5491 | case em_82580: |
5492 | case em_i350: |
5493 | case em_i210: |
5494 | reg = E1000_READ_REG(hw, MDICNFG)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x00E04 : em_translate_82542_register (0x00E04))))); |
5495 | ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO0x80000000); |
5496 | break; |
5497 | default: |
5498 | break; |
5499 | } |
5500 | return ext_mdio; |
5501 | } |
5502 | |
5503 | /** |
5504 | * em_read_phy_reg_i2c - Read PHY register using i2c |
5505 | * @hw: pointer to the HW structure |
5506 | * @offset: register offset to be read |
5507 | * @data: pointer to the read data |
5508 | * |
5509 | * Reads the PHY register at offset using the i2c interface and stores the |
5510 | * retrieved information in data. |
5511 | **/ |
5512 | int32_t em_read_phy_reg_i2c(struct em_hw *hw, uint32_t offset, uint16_t *data) |
5513 | { |
5514 | uint32_t i, i2ccmd = 0; |
5515 | |
5516 | DEBUGFUNC("em_read_phy_reg_i2c");; |
5517 | |
5518 | /* Set up Op-code, Phy Address, and register address in the I2CCMD |
5519 | * register. The MAC will take care of interfacing with the |
5520 | * PHY to retrieve the desired data. |
5521 | */ |
5522 | i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT16) | |
5523 | (hw->phy_addr << E1000_I2CCMD_PHY_ADDR_SHIFT24) | |
5524 | (E1000_I2CCMD_OPCODE_READ0x08000000)); |
5525 | |
5526 | E1000_WRITE_REG(hw, I2CCMD, i2ccmd)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))), (i2ccmd))); |
5527 | |
5528 | /* Poll the ready bit to see if the I2C read completed */ |
5529 | for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT200; i++) { |
5530 | usec_delay(50)(*delay_func)(50); |
5531 | i2ccmd = E1000_READ_REG(hw, I2CCMD)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))))); |
5532 | if (i2ccmd & E1000_I2CCMD_READY0x20000000) |
5533 | break; |
5534 | } |
5535 | if (!(i2ccmd & E1000_I2CCMD_READY0x20000000)) { |
5536 | DEBUGOUT("I2CCMD Read did not complete\n"); |
5537 | return -E1000_ERR_PHY2; |
5538 | } |
5539 | if (i2ccmd & E1000_I2CCMD_ERROR0x80000000) { |
5540 | DEBUGOUT("I2CCMD Error bit set\n"); |
5541 | return -E1000_ERR_PHY2; |
5542 | } |
5543 | |
5544 | /* Need to byte-swap the 16-bit value. */ |
5545 | *data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00); |
5546 | |
5547 | return E1000_SUCCESS0; |
5548 | } |
5549 | |
5550 | /** |
5551 | * em_write_phy_reg_i2c - Write PHY register using i2c |
5552 | * @hw: pointer to the HW structure |
5553 | * @offset: register offset to write to |
5554 | * @data: data to write at register offset |
5555 | * |
5556 | * Writes the data to PHY register at the offset using the i2c interface. |
5557 | **/ |
5558 | int32_t em_write_phy_reg_i2c(struct em_hw *hw, uint32_t offset, uint16_t data) |
5559 | { |
5560 | uint32_t i, i2ccmd = 0; |
5561 | uint16_t phy_data_swapped; |
5562 | |
5563 | DEBUGFUNC("em_write_phy_reg_i2c");; |
5564 | |
5565 | /* Prevent overwriting SFP I2C EEPROM which is at A0 address.*/ |
5566 | if ((hw->phy_addr == 0) || (hw->phy_addr > 7)) { |
5567 | DEBUGOUT1("PHY I2C Address %d is out of range.\n", |
5568 | hw->phy_addr); |
5569 | return -E1000_ERR_CONFIG3; |
5570 | } |
5571 | |
5572 | /* Swap the data bytes for the I2C interface */ |
5573 | phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00); |
5574 | |
5575 | /* Set up Op-code, Phy Address, and register address in the I2CCMD |
5576 | * register. The MAC will take care of interfacing with the |
5577 | * PHY to retrieve the desired data. |
5578 | */ |
5579 | i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT16) | |
5580 | (hw->phy_addr << E1000_I2CCMD_PHY_ADDR_SHIFT24) | |
5581 | E1000_I2CCMD_OPCODE_WRITE0x00000000 | |
5582 | phy_data_swapped); |
5583 | |
5584 | E1000_WRITE_REG(hw, I2CCMD, i2ccmd)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))), (i2ccmd))); |
5585 | |
5586 | /* Poll the ready bit to see if the I2C read completed */ |
5587 | for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT200; i++) { |
5588 | usec_delay(50)(*delay_func)(50); |
5589 | i2ccmd = E1000_READ_REG(hw, I2CCMD)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))))); |
5590 | if (i2ccmd & E1000_I2CCMD_READY0x20000000) |
5591 | break; |
5592 | } |
5593 | if (!(i2ccmd & E1000_I2CCMD_READY0x20000000)) { |
5594 | DEBUGOUT("I2CCMD Write did not complete\n"); |
5595 | return -E1000_ERR_PHY2; |
5596 | } |
5597 | if (i2ccmd & E1000_I2CCMD_ERROR0x80000000) { |
5598 | DEBUGOUT("I2CCMD Error bit set\n"); |
5599 | return -E1000_ERR_PHY2; |
5600 | } |
5601 | |
5602 | return E1000_SUCCESS0; |
5603 | } |
5604 | |
5605 | /** |
5606 | * em_read_sfp_data_byte - Reads SFP module data. |
5607 | * @hw: pointer to the HW structure |
5608 | * @offset: byte location offset to be read |
5609 | * @data: read data buffer pointer |
5610 | * |
5611 | * Reads one byte from SFP module data stored |
5612 | * in SFP resided EEPROM memory or SFP diagnostic area. |
5613 | * Function should be called with |
5614 | * E1000_I2CCMD_SFP_DATA_ADDR(<byte offset>) for SFP module database access |
5615 | * E1000_I2CCMD_SFP_DIAG_ADDR(<byte offset>) for SFP diagnostics parameters |
5616 | * access |
5617 | **/ |
5618 | int32_t em_read_sfp_data_byte(struct em_hw *hw, uint16_t offset, uint8_t *data) |
5619 | { |
5620 | uint32_t i = 0; |
5621 | uint32_t i2ccmd = 0; |
5622 | uint32_t data_local = 0; |
5623 | |
5624 | DEBUGFUNC("em_read_sfp_data_byte");; |
5625 | |
5626 | if (offset > E1000_I2CCMD_SFP_DIAG_ADDR(255)(0x0100 + (255))) { |
5627 | DEBUGOUT("I2CCMD command address exceeds upper limit\n"); |
5628 | return -E1000_ERR_PHY2; |
5629 | } |
5630 | |
5631 | /* Set up Op-code, EEPROM Address,in the I2CCMD |
5632 | * register. The MAC will take care of interfacing with the |
5633 | * EEPROM to retrieve the desired data. |
5634 | */ |
5635 | i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT16) | |
5636 | E1000_I2CCMD_OPCODE_READ0x08000000); |
5637 | |
5638 | E1000_WRITE_REG(hw, I2CCMD, i2ccmd)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> write_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))), (i2ccmd))); |
5639 | |
5640 | /* Poll the ready bit to see if the I2C read completed */ |
5641 | for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT200; i++) { |
5642 | usec_delay(50)(*delay_func)(50); |
5643 | data_local = E1000_READ_REG(hw, I2CCMD)((((struct em_osdep *)(hw)->back)->mem_bus_space_tag)-> read_4((((struct em_osdep *)(hw)->back)->mem_bus_space_handle ), (((hw)->mac_type >= em_82543 ? 0x01028 : em_translate_82542_register (0x01028))))); |
5644 | if (data_local & E1000_I2CCMD_READY0x20000000) |
5645 | break; |
5646 | } |
5647 | if (!(data_local & E1000_I2CCMD_READY0x20000000)) { |
5648 | DEBUGOUT("I2CCMD Read did not complete\n"); |
5649 | return -E1000_ERR_PHY2; |
5650 | } |
5651 | if (data_local & E1000_I2CCMD_ERROR0x80000000) { |
5652 | DEBUGOUT("I2CCMD Error bit set\n"); |
5653 | return -E1000_ERR_PHY2; |
5654 | } |
5655 | *data = (uint8_t) data_local & 0xFF; |
5656 | |
5657 | return E1000_SUCCESS0; |
5658 | } |
5659 | |
5660 | /****************************************************************************** |
5661 | * Returns the PHY to the power-on reset state |
5662 | * |
5663 | * hw - Struct containing variables accessed by shared code |
5664 | *****************************************************************************/ |
5665 | int32_t |
5666 | em_phy_hw_reset(struct em_hw *hw) |
5667 | { |
5668 | uint32_t ctrl, ctrl_ext; |
5669 | uint32_t led_ctrl; |
5670 | int32_t ret_val; |
5671 | DEBUGFUNC("em_phy_hw_reset");; |
5672 | /* |
5673 | * In the case of the phy reset being blocked, it's not an error, we |
5674 | * simply return success without performing the reset. |
5675 | */ |
5676 | ret_val = em_check_phy_reset_block(hw); |
5677 | if (ret_val) |
5678 | return E1000_SUCCESS0; |
5679 | |
5680 | DEBUGOUT("Resetting Phy...\n"); |
5681 | |
5682 | if (hw->mac_type > em_82543 && hw->mac_type != em_icp_xxxx) { |
5683 | if (em_swfw_sync_acquire(hw, hw->swfw)) { |
5684 | DEBUGOUT("Unable to acquire swfw sync\n"); |
5685 | return -E1000_ERR_SWFW_SYNC13; |
5686 | } |
5687 | /* |
5688 | * Read the device control register and assert the |
5689 | * E1000_CTRL_PHY_RST bit. Then, take it out of reset. For |
5690 | * pre-em_82571 hardware, we delay for 10ms between the |
5691 | * assert and deassert. For em_82571 hardware and later, we |
5692 | * instead delay for 50us between and 10ms after the |
5693 | * deassertion. |
5694 | */ |