1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2008 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
30 * 80003ES2LAN Gigabit Ethernet Controller (Copper)
31 * 80003ES2LAN Gigabit Ethernet Controller (Serdes)
36 #define E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL 0x00
37 #define E1000_KMRNCTRLSTA_OFFSET_INB_CTRL 0x02
38 #define E1000_KMRNCTRLSTA_OFFSET_HD_CTRL 0x10
39 #define E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE 0x1F
41 #define E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS 0x0008
42 #define E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS 0x0800
43 #define E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING 0x0010
45 #define E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT 0x0004
46 #define E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT 0x0000
47 #define E1000_KMRNCTRLSTA_OPMODE_E_IDLE 0x2000
49 #define E1000_TCTL_EXT_GCEX_MASK 0x000FFC00 /* Gigabit Carry Extend Padding */
50 #define DEFAULT_TCTL_EXT_GCEX_80003ES2LAN 0x00010000
52 #define DEFAULT_TIPG_IPGT_1000_80003ES2LAN 0x8
53 #define DEFAULT_TIPG_IPGT_10_100_80003ES2LAN 0x9
55 /* GG82563 PHY Specific Status Register (Page 0, Register 16 */
56 #define GG82563_PSCR_POLARITY_REVERSAL_DISABLE 0x0002 /* 1=Reversal Disab. */
57 #define GG82563_PSCR_CROSSOVER_MODE_MASK 0x0060
58 #define GG82563_PSCR_CROSSOVER_MODE_MDI 0x0000 /* 00=Manual MDI */
59 #define GG82563_PSCR_CROSSOVER_MODE_MDIX 0x0020 /* 01=Manual MDIX */
60 #define GG82563_PSCR_CROSSOVER_MODE_AUTO 0x0060 /* 11=Auto crossover */
62 /* PHY Specific Control Register 2 (Page 0, Register 26) */
63 #define GG82563_PSCR2_REVERSE_AUTO_NEG 0x2000
64 /* 1=Reverse Auto-Negotiation */
66 /* MAC Specific Control Register (Page 2, Register 21) */
67 /* Tx clock speed for Link Down and 1000BASE-T for the following speeds */
68 #define GG82563_MSCR_TX_CLK_MASK 0x0007
69 #define GG82563_MSCR_TX_CLK_10MBPS_2_5 0x0004
70 #define GG82563_MSCR_TX_CLK_100MBPS_25 0x0005
71 #define GG82563_MSCR_TX_CLK_1000MBPS_25 0x0007
73 #define GG82563_MSCR_ASSERT_CRS_ON_TX 0x0010 /* 1=Assert */
75 /* DSP Distance Register (Page 5, Register 26) */
76 #define GG82563_DSPD_CABLE_LENGTH 0x0007 /* 0 = <50M
82 /* Kumeran Mode Control Register (Page 193, Register 16) */
83 #define GG82563_KMCR_PASS_FALSE_CARRIER 0x0800
85 /* Max number of times Kumeran read/write should be validated */
86 #define GG82563_MAX_KMRN_RETRY 0x5
88 /* Power Management Control Register (Page 193, Register 20) */
89 #define GG82563_PMCR_ENABLE_ELECTRICAL_IDLE 0x0001
90 /* 1=Enable SERDES Electrical Idle */
92 /* In-Band Control Register (Page 194, Register 18) */
93 #define GG82563_ICR_DIS_PADDING 0x0010 /* Disable Padding */
96 * A table for the GG82563 cable length where the range is defined
97 * with a lower bound at "index" and the upper bound at
100 static const u16 e1000_gg82563_cable_length_table
[] =
101 { 0, 60, 115, 150, 150, 60, 115, 150, 180, 180, 0xFF };
103 static s32
e1000_setup_copper_link_80003es2lan(struct e1000_hw
*hw
);
104 static s32
e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
);
105 static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
);
106 static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw
*hw
);
107 static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw
*hw
);
108 static s32
e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw
*hw
);
109 static s32
e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw
*hw
, u16 duplex
);
110 static s32
e1000_cfg_on_link_up_80003es2lan(struct e1000_hw
*hw
);
111 static s32
e1000_read_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
113 static s32
e1000_write_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
117 * e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
118 * @hw: pointer to the HW structure
120 * This is a function pointer entry point called by the api module.
122 static s32
e1000_init_phy_params_80003es2lan(struct e1000_hw
*hw
)
124 struct e1000_phy_info
*phy
= &hw
->phy
;
127 if (hw
->phy
.media_type
!= e1000_media_type_copper
) {
128 phy
->type
= e1000_phy_none
;
133 phy
->autoneg_mask
= AUTONEG_ADVERTISE_SPEED_DEFAULT
;
134 phy
->reset_delay_us
= 100;
135 phy
->type
= e1000_phy_gg82563
;
137 /* This can only be done after all function pointers are setup. */
138 ret_val
= e1000e_get_phy_id(hw
);
141 if (phy
->id
!= GG82563_E_PHY_ID
)
142 return -E1000_ERR_PHY
;
148 * e1000_init_nvm_params_80003es2lan - Init ESB2 NVM func ptrs.
149 * @hw: pointer to the HW structure
151 * This is a function pointer entry point called by the api module.
153 static s32
e1000_init_nvm_params_80003es2lan(struct e1000_hw
*hw
)
155 struct e1000_nvm_info
*nvm
= &hw
->nvm
;
156 u32 eecd
= er32(EECD
);
159 nvm
->opcode_bits
= 8;
161 switch (nvm
->override
) {
162 case e1000_nvm_override_spi_large
:
164 nvm
->address_bits
= 16;
166 case e1000_nvm_override_spi_small
:
168 nvm
->address_bits
= 8;
171 nvm
->page_size
= eecd
& E1000_EECD_ADDR_BITS
? 32 : 8;
172 nvm
->address_bits
= eecd
& E1000_EECD_ADDR_BITS
? 16 : 8;
176 nvm
->type
= e1000_nvm_eeprom_spi
;
178 size
= (u16
)((eecd
& E1000_EECD_SIZE_EX_MASK
) >>
179 E1000_EECD_SIZE_EX_SHIFT
);
182 * Added to a constant, "size" becomes the left-shift value
183 * for setting word_size.
185 size
+= NVM_WORD_SIZE_BASE_SHIFT
;
187 /* EEPROM access above 16k is unsupported */
190 nvm
->word_size
= 1 << size
;
196 * e1000_init_mac_params_80003es2lan - Init ESB2 MAC func ptrs.
197 * @hw: pointer to the HW structure
199 * This is a function pointer entry point called by the api module.
201 static s32
e1000_init_mac_params_80003es2lan(struct e1000_adapter
*adapter
)
203 struct e1000_hw
*hw
= &adapter
->hw
;
204 struct e1000_mac_info
*mac
= &hw
->mac
;
205 struct e1000_mac_operations
*func
= &mac
->ops
;
208 switch (adapter
->pdev
->device
) {
209 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT
:
210 hw
->phy
.media_type
= e1000_media_type_internal_serdes
;
213 hw
->phy
.media_type
= e1000_media_type_copper
;
217 /* Set mta register count */
218 mac
->mta_reg_count
= 128;
219 /* Set rar entry count */
220 mac
->rar_entry_count
= E1000_RAR_ENTRIES
;
221 /* Set if manageability features are enabled. */
222 mac
->arc_subsystem_valid
= (er32(FWSM
) & E1000_FWSM_MODE_MASK
) ? 1 : 0;
225 switch (hw
->phy
.media_type
) {
226 case e1000_media_type_copper
:
227 func
->setup_physical_interface
= e1000_setup_copper_link_80003es2lan
;
228 func
->check_for_link
= e1000e_check_for_copper_link
;
230 case e1000_media_type_fiber
:
231 func
->setup_physical_interface
= e1000e_setup_fiber_serdes_link
;
232 func
->check_for_link
= e1000e_check_for_fiber_link
;
234 case e1000_media_type_internal_serdes
:
235 func
->setup_physical_interface
= e1000e_setup_fiber_serdes_link
;
236 func
->check_for_link
= e1000e_check_for_serdes_link
;
239 return -E1000_ERR_CONFIG
;
246 static s32
e1000_get_variants_80003es2lan(struct e1000_adapter
*adapter
)
248 struct e1000_hw
*hw
= &adapter
->hw
;
251 rc
= e1000_init_mac_params_80003es2lan(adapter
);
255 rc
= e1000_init_nvm_params_80003es2lan(hw
);
259 rc
= e1000_init_phy_params_80003es2lan(hw
);
267 * e1000_acquire_phy_80003es2lan - Acquire rights to access PHY
268 * @hw: pointer to the HW structure
270 * A wrapper to acquire access rights to the correct PHY. This is a
271 * function pointer entry point called by the api module.
273 static s32
e1000_acquire_phy_80003es2lan(struct e1000_hw
*hw
)
277 mask
= hw
->bus
.func
? E1000_SWFW_PHY1_SM
: E1000_SWFW_PHY0_SM
;
278 return e1000_acquire_swfw_sync_80003es2lan(hw
, mask
);
282 * e1000_release_phy_80003es2lan - Release rights to access PHY
283 * @hw: pointer to the HW structure
285 * A wrapper to release access rights to the correct PHY. This is a
286 * function pointer entry point called by the api module.
288 static void e1000_release_phy_80003es2lan(struct e1000_hw
*hw
)
292 mask
= hw
->bus
.func
? E1000_SWFW_PHY1_SM
: E1000_SWFW_PHY0_SM
;
293 e1000_release_swfw_sync_80003es2lan(hw
, mask
);
297 * e1000_acquire_mac_csr_80003es2lan - Acquire rights to access Kumeran register
298 * @hw: pointer to the HW structure
300 * Acquire the semaphore to access the Kumeran interface.
303 static s32
e1000_acquire_mac_csr_80003es2lan(struct e1000_hw
*hw
)
307 mask
= E1000_SWFW_CSR_SM
;
309 return e1000_acquire_swfw_sync_80003es2lan(hw
, mask
);
313 * e1000_release_mac_csr_80003es2lan - Release rights to access Kumeran Register
314 * @hw: pointer to the HW structure
316 * Release the semaphore used to access the Kumeran interface
318 static void e1000_release_mac_csr_80003es2lan(struct e1000_hw
*hw
)
322 mask
= E1000_SWFW_CSR_SM
;
324 e1000_release_swfw_sync_80003es2lan(hw
, mask
);
328 * e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
329 * @hw: pointer to the HW structure
331 * Acquire the semaphore to access the EEPROM. This is a function
332 * pointer entry point called by the api module.
334 static s32
e1000_acquire_nvm_80003es2lan(struct e1000_hw
*hw
)
338 ret_val
= e1000_acquire_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
342 ret_val
= e1000e_acquire_nvm(hw
);
345 e1000_release_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
351 * e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
352 * @hw: pointer to the HW structure
354 * Release the semaphore used to access the EEPROM. This is a
355 * function pointer entry point called by the api module.
357 static void e1000_release_nvm_80003es2lan(struct e1000_hw
*hw
)
359 e1000e_release_nvm(hw
);
360 e1000_release_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
364 * e1000_acquire_swfw_sync_80003es2lan - Acquire SW/FW semaphore
365 * @hw: pointer to the HW structure
366 * @mask: specifies which semaphore to acquire
368 * Acquire the SW/FW semaphore to access the PHY or NVM. The mask
369 * will also specify which port we're acquiring the lock for.
371 static s32
e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
)
375 u32 fwmask
= mask
<< 16;
379 while (i
< timeout
) {
380 if (e1000e_get_hw_semaphore(hw
))
381 return -E1000_ERR_SWFW_SYNC
;
383 swfw_sync
= er32(SW_FW_SYNC
);
384 if (!(swfw_sync
& (fwmask
| swmask
)))
388 * Firmware currently using resource (fwmask)
389 * or other software thread using resource (swmask)
391 e1000e_put_hw_semaphore(hw
);
398 "Driver can't access resource, SW_FW_SYNC timeout.\n");
399 return -E1000_ERR_SWFW_SYNC
;
403 ew32(SW_FW_SYNC
, swfw_sync
);
405 e1000e_put_hw_semaphore(hw
);
411 * e1000_release_swfw_sync_80003es2lan - Release SW/FW semaphore
412 * @hw: pointer to the HW structure
413 * @mask: specifies which semaphore to acquire
415 * Release the SW/FW semaphore used to access the PHY or NVM. The mask
416 * will also specify which port we're releasing the lock for.
418 static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
)
422 while (e1000e_get_hw_semaphore(hw
) != 0);
425 swfw_sync
= er32(SW_FW_SYNC
);
427 ew32(SW_FW_SYNC
, swfw_sync
);
429 e1000e_put_hw_semaphore(hw
);
433 * e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register
434 * @hw: pointer to the HW structure
435 * @offset: offset of the register to read
436 * @data: pointer to the data returned from the operation
438 * Read the GG82563 PHY register. This is a function pointer entry
439 * point called by the api module.
441 static s32
e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw
*hw
,
442 u32 offset
, u16
*data
)
448 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
452 /* Select Configuration Page */
453 if ((offset
& MAX_PHY_REG_ADDRESS
) < GG82563_MIN_ALT_REG
) {
454 page_select
= GG82563_PHY_PAGE_SELECT
;
457 * Use Alternative Page Select register to access
458 * registers 30 and 31
460 page_select
= GG82563_PHY_PAGE_SELECT_ALT
;
463 temp
= (u16
)((u16
)offset
>> GG82563_PAGE_SHIFT
);
464 ret_val
= e1000e_write_phy_reg_mdic(hw
, page_select
, temp
);
466 e1000_release_phy_80003es2lan(hw
);
471 * The "ready" bit in the MDIC register may be incorrectly set
472 * before the device has completed the "Page Select" MDI
473 * transaction. So we wait 200us after each MDI command...
477 /* ...and verify the command was successful. */
478 ret_val
= e1000e_read_phy_reg_mdic(hw
, page_select
, &temp
);
480 if (((u16
)offset
>> GG82563_PAGE_SHIFT
) != temp
) {
481 ret_val
= -E1000_ERR_PHY
;
482 e1000_release_phy_80003es2lan(hw
);
488 ret_val
= e1000e_read_phy_reg_mdic(hw
, MAX_PHY_REG_ADDRESS
& offset
,
492 e1000_release_phy_80003es2lan(hw
);
498 * e1000_write_phy_reg_gg82563_80003es2lan - Write GG82563 PHY register
499 * @hw: pointer to the HW structure
500 * @offset: offset of the register to read
501 * @data: value to write to the register
503 * Write to the GG82563 PHY register. This is a function pointer entry
504 * point called by the api module.
506 static s32
e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw
*hw
,
507 u32 offset
, u16 data
)
513 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
517 /* Select Configuration Page */
518 if ((offset
& MAX_PHY_REG_ADDRESS
) < GG82563_MIN_ALT_REG
) {
519 page_select
= GG82563_PHY_PAGE_SELECT
;
522 * Use Alternative Page Select register to access
523 * registers 30 and 31
525 page_select
= GG82563_PHY_PAGE_SELECT_ALT
;
528 temp
= (u16
)((u16
)offset
>> GG82563_PAGE_SHIFT
);
529 ret_val
= e1000e_write_phy_reg_mdic(hw
, page_select
, temp
);
531 e1000_release_phy_80003es2lan(hw
);
537 * The "ready" bit in the MDIC register may be incorrectly set
538 * before the device has completed the "Page Select" MDI
539 * transaction. So we wait 200us after each MDI command...
543 /* ...and verify the command was successful. */
544 ret_val
= e1000e_read_phy_reg_mdic(hw
, page_select
, &temp
);
546 if (((u16
)offset
>> GG82563_PAGE_SHIFT
) != temp
) {
547 e1000_release_phy_80003es2lan(hw
);
548 return -E1000_ERR_PHY
;
553 ret_val
= e1000e_write_phy_reg_mdic(hw
, MAX_PHY_REG_ADDRESS
& offset
,
557 e1000_release_phy_80003es2lan(hw
);
563 * e1000_write_nvm_80003es2lan - Write to ESB2 NVM
564 * @hw: pointer to the HW structure
565 * @offset: offset of the register to read
566 * @words: number of words to write
567 * @data: buffer of data to write to the NVM
569 * Write "words" of data to the ESB2 NVM. This is a function
570 * pointer entry point called by the api module.
572 static s32
e1000_write_nvm_80003es2lan(struct e1000_hw
*hw
, u16 offset
,
573 u16 words
, u16
*data
)
575 return e1000e_write_nvm_spi(hw
, offset
, words
, data
);
579 * e1000_get_cfg_done_80003es2lan - Wait for configuration to complete
580 * @hw: pointer to the HW structure
582 * Wait a specific amount of time for manageability processes to complete.
583 * This is a function pointer entry point called by the phy module.
585 static s32
e1000_get_cfg_done_80003es2lan(struct e1000_hw
*hw
)
587 s32 timeout
= PHY_CFG_TIMEOUT
;
588 u32 mask
= E1000_NVM_CFG_DONE_PORT_0
;
590 if (hw
->bus
.func
== 1)
591 mask
= E1000_NVM_CFG_DONE_PORT_1
;
594 if (er32(EEMNGCTL
) & mask
)
600 hw_dbg(hw
, "MNG configuration cycle has not completed.\n");
601 return -E1000_ERR_RESET
;
608 * e1000_phy_force_speed_duplex_80003es2lan - Force PHY speed and duplex
609 * @hw: pointer to the HW structure
611 * Force the speed and duplex settings onto the PHY. This is a
612 * function pointer entry point called by the phy module.
614 static s32
e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw
*hw
)
621 * Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
622 * forced whenever speed and duplex are forced.
624 ret_val
= e1e_rphy(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_data
);
628 phy_data
&= ~GG82563_PSCR_CROSSOVER_MODE_AUTO
;
629 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL
, phy_data
);
633 hw_dbg(hw
, "GG82563 PSCR: %X\n", phy_data
);
635 ret_val
= e1e_rphy(hw
, PHY_CONTROL
, &phy_data
);
639 e1000e_phy_force_speed_duplex_setup(hw
, &phy_data
);
641 /* Reset the phy to commit changes. */
642 phy_data
|= MII_CR_RESET
;
644 ret_val
= e1e_wphy(hw
, PHY_CONTROL
, phy_data
);
650 if (hw
->phy
.autoneg_wait_to_complete
) {
651 hw_dbg(hw
, "Waiting for forced speed/duplex link "
652 "on GG82563 phy.\n");
654 ret_val
= e1000e_phy_has_link_generic(hw
, PHY_FORCE_LIMIT
,
661 * We didn't get link.
662 * Reset the DSP and cross our fingers.
664 ret_val
= e1000e_phy_reset_dsp(hw
);
670 ret_val
= e1000e_phy_has_link_generic(hw
, PHY_FORCE_LIMIT
,
676 ret_val
= e1e_rphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, &phy_data
);
681 * Resetting the phy means we need to verify the TX_CLK corresponds
682 * to the link speed. 10Mbps -> 2.5MHz, else 25MHz.
684 phy_data
&= ~GG82563_MSCR_TX_CLK_MASK
;
685 if (hw
->mac
.forced_speed_duplex
& E1000_ALL_10_SPEED
)
686 phy_data
|= GG82563_MSCR_TX_CLK_10MBPS_2_5
;
688 phy_data
|= GG82563_MSCR_TX_CLK_100MBPS_25
;
691 * In addition, we must re-enable CRS on Tx for both half and full
694 phy_data
|= GG82563_MSCR_ASSERT_CRS_ON_TX
;
695 ret_val
= e1e_wphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, phy_data
);
701 * e1000_get_cable_length_80003es2lan - Set approximate cable length
702 * @hw: pointer to the HW structure
704 * Find the approximate cable length as measured by the GG82563 PHY.
705 * This is a function pointer entry point called by the phy module.
707 static s32
e1000_get_cable_length_80003es2lan(struct e1000_hw
*hw
)
709 struct e1000_phy_info
*phy
= &hw
->phy
;
714 ret_val
= e1e_rphy(hw
, GG82563_PHY_DSP_DISTANCE
, &phy_data
);
718 index
= phy_data
& GG82563_DSPD_CABLE_LENGTH
;
719 phy
->min_cable_length
= e1000_gg82563_cable_length_table
[index
];
720 phy
->max_cable_length
= e1000_gg82563_cable_length_table
[index
+5];
722 phy
->cable_length
= (phy
->min_cable_length
+ phy
->max_cable_length
) / 2;
728 * e1000_get_link_up_info_80003es2lan - Report speed and duplex
729 * @hw: pointer to the HW structure
730 * @speed: pointer to speed buffer
731 * @duplex: pointer to duplex buffer
733 * Retrieve the current speed and duplex configuration.
734 * This is a function pointer entry point called by the api module.
736 static s32
e1000_get_link_up_info_80003es2lan(struct e1000_hw
*hw
, u16
*speed
,
741 if (hw
->phy
.media_type
== e1000_media_type_copper
) {
742 ret_val
= e1000e_get_speed_and_duplex_copper(hw
,
745 hw
->phy
.ops
.cfg_on_link_up(hw
);
747 ret_val
= e1000e_get_speed_and_duplex_fiber_serdes(hw
,
756 * e1000_reset_hw_80003es2lan - Reset the ESB2 controller
757 * @hw: pointer to the HW structure
759 * Perform a global reset to the ESB2 controller.
760 * This is a function pointer entry point called by the api module.
762 static s32
e1000_reset_hw_80003es2lan(struct e1000_hw
*hw
)
769 * Prevent the PCI-E bus from sticking if there is no TLP connection
770 * on the last TLP read/write transaction when MAC is reset.
772 ret_val
= e1000e_disable_pcie_master(hw
);
774 hw_dbg(hw
, "PCI-E Master disable polling has failed.\n");
776 hw_dbg(hw
, "Masking off all interrupts\n");
777 ew32(IMC
, 0xffffffff);
780 ew32(TCTL
, E1000_TCTL_PSP
);
787 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
788 hw_dbg(hw
, "Issuing a global reset to MAC\n");
789 ew32(CTRL
, ctrl
| E1000_CTRL_RST
);
790 e1000_release_phy_80003es2lan(hw
);
792 ret_val
= e1000e_get_auto_rd_done(hw
);
794 /* We don't want to continue accessing MAC registers. */
797 /* Clear any pending interrupt events. */
798 ew32(IMC
, 0xffffffff);
805 * e1000_init_hw_80003es2lan - Initialize the ESB2 controller
806 * @hw: pointer to the HW structure
808 * Initialize the hw bits, LED, VFTA, MTA, link and hw counters.
809 * This is a function pointer entry point called by the api module.
811 static s32
e1000_init_hw_80003es2lan(struct e1000_hw
*hw
)
813 struct e1000_mac_info
*mac
= &hw
->mac
;
818 e1000_initialize_hw_bits_80003es2lan(hw
);
820 /* Initialize identification LED */
821 ret_val
= e1000e_id_led_init(hw
);
823 hw_dbg(hw
, "Error initializing identification LED\n");
827 /* Disabling VLAN filtering */
828 hw_dbg(hw
, "Initializing the IEEE VLAN\n");
829 e1000e_clear_vfta(hw
);
831 /* Setup the receive address. */
832 e1000e_init_rx_addrs(hw
, mac
->rar_entry_count
);
834 /* Zero out the Multicast HASH table */
835 hw_dbg(hw
, "Zeroing the MTA\n");
836 for (i
= 0; i
< mac
->mta_reg_count
; i
++)
837 E1000_WRITE_REG_ARRAY(hw
, E1000_MTA
, i
, 0);
839 /* Setup link and flow control */
840 ret_val
= e1000e_setup_link(hw
);
842 /* Set the transmit descriptor write-back policy */
843 reg_data
= er32(TXDCTL(0));
844 reg_data
= (reg_data
& ~E1000_TXDCTL_WTHRESH
) |
845 E1000_TXDCTL_FULL_TX_DESC_WB
| E1000_TXDCTL_COUNT_DESC
;
846 ew32(TXDCTL(0), reg_data
);
848 /* ...for both queues. */
849 reg_data
= er32(TXDCTL(1));
850 reg_data
= (reg_data
& ~E1000_TXDCTL_WTHRESH
) |
851 E1000_TXDCTL_FULL_TX_DESC_WB
| E1000_TXDCTL_COUNT_DESC
;
852 ew32(TXDCTL(1), reg_data
);
854 /* Enable retransmit on late collisions */
855 reg_data
= er32(TCTL
);
856 reg_data
|= E1000_TCTL_RTLC
;
857 ew32(TCTL
, reg_data
);
859 /* Configure Gigabit Carry Extend Padding */
860 reg_data
= er32(TCTL_EXT
);
861 reg_data
&= ~E1000_TCTL_EXT_GCEX_MASK
;
862 reg_data
|= DEFAULT_TCTL_EXT_GCEX_80003ES2LAN
;
863 ew32(TCTL_EXT
, reg_data
);
865 /* Configure Transmit Inter-Packet Gap */
866 reg_data
= er32(TIPG
);
867 reg_data
&= ~E1000_TIPG_IPGT_MASK
;
868 reg_data
|= DEFAULT_TIPG_IPGT_1000_80003ES2LAN
;
869 ew32(TIPG
, reg_data
);
871 reg_data
= E1000_READ_REG_ARRAY(hw
, E1000_FFLT
, 0x0001);
872 reg_data
&= ~0x00100000;
873 E1000_WRITE_REG_ARRAY(hw
, E1000_FFLT
, 0x0001, reg_data
);
876 * Clear all of the statistics registers (clear on read). It is
877 * important that we do this after we have tried to establish link
878 * because the symbol error count will increment wildly if there
881 e1000_clear_hw_cntrs_80003es2lan(hw
);
887 * e1000_initialize_hw_bits_80003es2lan - Init hw bits of ESB2
888 * @hw: pointer to the HW structure
890 * Initializes required hardware-dependent bits needed for normal operation.
892 static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw
*hw
)
896 /* Transmit Descriptor Control 0 */
897 reg
= er32(TXDCTL(0));
899 ew32(TXDCTL(0), reg
);
901 /* Transmit Descriptor Control 1 */
902 reg
= er32(TXDCTL(1));
904 ew32(TXDCTL(1), reg
);
906 /* Transmit Arbitration Control 0 */
908 reg
&= ~(0xF << 27); /* 30:27 */
909 if (hw
->phy
.media_type
!= e1000_media_type_copper
)
913 /* Transmit Arbitration Control 1 */
915 if (er32(TCTL
) & E1000_TCTL_MULR
)
923 * e1000_copper_link_setup_gg82563_80003es2lan - Configure GG82563 Link
924 * @hw: pointer to the HW structure
926 * Setup some GG82563 PHY registers for obtaining link
928 static s32
e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw
*hw
)
930 struct e1000_phy_info
*phy
= &hw
->phy
;
935 ret_val
= e1e_rphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, &data
);
939 data
|= GG82563_MSCR_ASSERT_CRS_ON_TX
;
940 /* Use 25MHz for both link down and 1000Base-T for Tx clock. */
941 data
|= GG82563_MSCR_TX_CLK_1000MBPS_25
;
943 ret_val
= e1e_wphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, data
);
949 * MDI/MDI-X = 0 (default)
950 * 0 - Auto for all speeds
953 * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
955 ret_val
= e1e_rphy(hw
, GG82563_PHY_SPEC_CTRL
, &data
);
959 data
&= ~GG82563_PSCR_CROSSOVER_MODE_MASK
;
963 data
|= GG82563_PSCR_CROSSOVER_MODE_MDI
;
966 data
|= GG82563_PSCR_CROSSOVER_MODE_MDIX
;
970 data
|= GG82563_PSCR_CROSSOVER_MODE_AUTO
;
976 * disable_polarity_correction = 0 (default)
977 * Automatic Correction for Reversed Cable Polarity
981 data
&= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE
;
982 if (phy
->disable_polarity_correction
)
983 data
|= GG82563_PSCR_POLARITY_REVERSAL_DISABLE
;
985 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL
, data
);
989 /* SW Reset the PHY so all changes take effect */
990 ret_val
= e1000e_commit_phy(hw
);
992 hw_dbg(hw
, "Error Resetting the PHY\n");
996 /* Bypass Rx and Tx FIFO's */
997 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
998 E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL
,
999 E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS
|
1000 E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS
);
1004 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
,
1005 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE
,
1009 data
|= E1000_KMRNCTRLSTA_OPMODE_E_IDLE
;
1010 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1011 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE
,
1016 ret_val
= e1e_rphy(hw
, GG82563_PHY_SPEC_CTRL_2
, &data
);
1020 data
&= ~GG82563_PSCR2_REVERSE_AUTO_NEG
;
1021 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL_2
, data
);
1025 ctrl_ext
= er32(CTRL_EXT
);
1026 ctrl_ext
&= ~(E1000_CTRL_EXT_LINK_MODE_MASK
);
1027 ew32(CTRL_EXT
, ctrl_ext
);
1029 ret_val
= e1e_rphy(hw
, GG82563_PHY_PWR_MGMT_CTRL
, &data
);
1034 * Do not init these registers when the HW is in IAMT mode, since the
1035 * firmware will have already initialized them. We only initialize
1036 * them if the HW is not in IAMT mode.
1038 if (!e1000e_check_mng_mode(hw
)) {
1039 /* Enable Electrical Idle on the PHY */
1040 data
|= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE
;
1041 ret_val
= e1e_wphy(hw
, GG82563_PHY_PWR_MGMT_CTRL
, data
);
1045 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, &data
);
1049 data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1050 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, data
);
1056 * Workaround: Disable padding in Kumeran interface in the MAC
1057 * and in the PHY to avoid CRC errors.
1059 ret_val
= e1e_rphy(hw
, GG82563_PHY_INBAND_CTRL
, &data
);
1063 data
|= GG82563_ICR_DIS_PADDING
;
1064 ret_val
= e1e_wphy(hw
, GG82563_PHY_INBAND_CTRL
, data
);
1072 * e1000_setup_copper_link_80003es2lan - Setup Copper Link for ESB2
1073 * @hw: pointer to the HW structure
1075 * Essentially a wrapper for setting up all things "copper" related.
1076 * This is a function pointer entry point called by the mac module.
1078 static s32
e1000_setup_copper_link_80003es2lan(struct e1000_hw
*hw
)
1085 ctrl
|= E1000_CTRL_SLU
;
1086 ctrl
&= ~(E1000_CTRL_FRCSPD
| E1000_CTRL_FRCDPX
);
1090 * Set the mac to wait the maximum time between each
1091 * iteration and increase the max iterations when
1092 * polling the phy; this fixes erroneous timeouts at 10Mbps.
1094 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 4),
1098 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 9),
1103 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 9),
1107 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
,
1108 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL
,
1112 reg_data
|= E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING
;
1113 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1114 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL
,
1119 ret_val
= e1000_copper_link_setup_gg82563_80003es2lan(hw
);
1123 ret_val
= e1000e_setup_copper_link(hw
);
1129 * e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
1130 * @hw: pointer to the HW structure
1131 * @duplex: current duplex setting
1133 * Configure the KMRN interface by applying last minute quirks for
1136 static s32
e1000_cfg_on_link_up_80003es2lan(struct e1000_hw
*hw
)
1142 if (hw
->phy
.media_type
== e1000_media_type_copper
) {
1143 ret_val
= e1000e_get_speed_and_duplex_copper(hw
, &speed
,
1148 if (speed
== SPEED_1000
)
1149 ret_val
= e1000_cfg_kmrn_1000_80003es2lan(hw
);
1151 ret_val
= e1000_cfg_kmrn_10_100_80003es2lan(hw
, duplex
);
1158 * e1000_cfg_kmrn_10_100_80003es2lan - Apply "quirks" for 10/100 operation
1159 * @hw: pointer to the HW structure
1160 * @duplex: current duplex setting
1162 * Configure the KMRN interface by applying last minute quirks for
1165 static s32
e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw
*hw
, u16 duplex
)
1170 u16 reg_data
, reg_data2
;
1172 reg_data
= E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT
;
1173 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1174 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL
,
1179 /* Configure Transmit Inter-Packet Gap */
1181 tipg
&= ~E1000_TIPG_IPGT_MASK
;
1182 tipg
|= DEFAULT_TIPG_IPGT_10_100_80003ES2LAN
;
1186 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data
);
1190 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data2
);
1194 } while ((reg_data
!= reg_data2
) && (i
< GG82563_MAX_KMRN_RETRY
));
1196 if (duplex
== HALF_DUPLEX
)
1197 reg_data
|= GG82563_KMCR_PASS_FALSE_CARRIER
;
1199 reg_data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1201 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, reg_data
);
1207 * e1000_cfg_kmrn_1000_80003es2lan - Apply "quirks" for gigabit operation
1208 * @hw: pointer to the HW structure
1210 * Configure the KMRN interface by applying last minute quirks for
1211 * gigabit operation.
1213 static s32
e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw
*hw
)
1216 u16 reg_data
, reg_data2
;
1220 reg_data
= E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT
;
1221 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1222 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL
,
1227 /* Configure Transmit Inter-Packet Gap */
1229 tipg
&= ~E1000_TIPG_IPGT_MASK
;
1230 tipg
|= DEFAULT_TIPG_IPGT_1000_80003ES2LAN
;
1234 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data
);
1238 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data2
);
1242 } while ((reg_data
!= reg_data2
) && (i
< GG82563_MAX_KMRN_RETRY
));
1244 reg_data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1245 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, reg_data
);
1251 * e1000_read_kmrn_reg_80003es2lan - Read kumeran register
1252 * @hw: pointer to the HW structure
1253 * @offset: register offset to be read
1254 * @data: pointer to the read data
1256 * Acquire semaphore, then read the PHY register at offset
1257 * using the kumeran interface. The information retrieved is stored in data.
1258 * Release the semaphore before exiting.
1260 static s32
e1000_read_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
1266 ret_val
= e1000_acquire_mac_csr_80003es2lan(hw
);
1270 kmrnctrlsta
= ((offset
<< E1000_KMRNCTRLSTA_OFFSET_SHIFT
) &
1271 E1000_KMRNCTRLSTA_OFFSET
) | E1000_KMRNCTRLSTA_REN
;
1272 ew32(KMRNCTRLSTA
, kmrnctrlsta
);
1276 kmrnctrlsta
= er32(KMRNCTRLSTA
);
1277 *data
= (u16
)kmrnctrlsta
;
1279 e1000_release_mac_csr_80003es2lan(hw
);
1285 * e1000_write_kmrn_reg_80003es2lan - Write kumeran register
1286 * @hw: pointer to the HW structure
1287 * @offset: register offset to write to
1288 * @data: data to write at register offset
1290 * Acquire semaphore, then write the data to PHY register
1291 * at the offset using the kumeran interface. Release semaphore
1294 static s32
e1000_write_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
1300 ret_val
= e1000_acquire_mac_csr_80003es2lan(hw
);
1304 kmrnctrlsta
= ((offset
<< E1000_KMRNCTRLSTA_OFFSET_SHIFT
) &
1305 E1000_KMRNCTRLSTA_OFFSET
) | data
;
1306 ew32(KMRNCTRLSTA
, kmrnctrlsta
);
1310 e1000_release_mac_csr_80003es2lan(hw
);
1316 * e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
1317 * @hw: pointer to the HW structure
1319 * Clears the hardware counters by reading the counter registers.
1321 static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw
*hw
)
1325 e1000e_clear_hw_cntrs_base(hw
);
1328 temp
= er32(PRC127
);
1329 temp
= er32(PRC255
);
1330 temp
= er32(PRC511
);
1331 temp
= er32(PRC1023
);
1332 temp
= er32(PRC1522
);
1334 temp
= er32(PTC127
);
1335 temp
= er32(PTC255
);
1336 temp
= er32(PTC511
);
1337 temp
= er32(PTC1023
);
1338 temp
= er32(PTC1522
);
1340 temp
= er32(ALGNERRC
);
1341 temp
= er32(RXERRC
);
1343 temp
= er32(CEXTERR
);
1345 temp
= er32(TSCTFC
);
1347 temp
= er32(MGTPRC
);
1348 temp
= er32(MGTPDC
);
1349 temp
= er32(MGTPTC
);
1352 temp
= er32(ICRXOC
);
1354 temp
= er32(ICRXPTC
);
1355 temp
= er32(ICRXATC
);
1356 temp
= er32(ICTXPTC
);
1357 temp
= er32(ICTXATC
);
1358 temp
= er32(ICTXQEC
);
1359 temp
= er32(ICTXQMTC
);
1360 temp
= er32(ICRXDMTC
);
1363 static struct e1000_mac_operations es2_mac_ops
= {
1364 .id_led_init
= e1000e_id_led_init
,
1365 .check_mng_mode
= e1000e_check_mng_mode_generic
,
1366 /* check_for_link dependent on media type */
1367 .cleanup_led
= e1000e_cleanup_led_generic
,
1368 .clear_hw_cntrs
= e1000_clear_hw_cntrs_80003es2lan
,
1369 .get_bus_info
= e1000e_get_bus_info_pcie
,
1370 .get_link_up_info
= e1000_get_link_up_info_80003es2lan
,
1371 .led_on
= e1000e_led_on_generic
,
1372 .led_off
= e1000e_led_off_generic
,
1373 .update_mc_addr_list
= e1000e_update_mc_addr_list_generic
,
1374 .reset_hw
= e1000_reset_hw_80003es2lan
,
1375 .init_hw
= e1000_init_hw_80003es2lan
,
1376 .setup_link
= e1000e_setup_link
,
1377 /* setup_physical_interface dependent on media type */
1378 .setup_led
= e1000e_setup_led_generic
,
1381 static struct e1000_phy_operations es2_phy_ops
= {
1382 .acquire_phy
= e1000_acquire_phy_80003es2lan
,
1383 .check_reset_block
= e1000e_check_reset_block_generic
,
1384 .commit_phy
= e1000e_phy_sw_reset
,
1385 .force_speed_duplex
= e1000_phy_force_speed_duplex_80003es2lan
,
1386 .get_cfg_done
= e1000_get_cfg_done_80003es2lan
,
1387 .get_cable_length
= e1000_get_cable_length_80003es2lan
,
1388 .get_phy_info
= e1000e_get_phy_info_m88
,
1389 .read_phy_reg
= e1000_read_phy_reg_gg82563_80003es2lan
,
1390 .release_phy
= e1000_release_phy_80003es2lan
,
1391 .reset_phy
= e1000e_phy_hw_reset_generic
,
1392 .set_d0_lplu_state
= NULL
,
1393 .set_d3_lplu_state
= e1000e_set_d3_lplu_state
,
1394 .write_phy_reg
= e1000_write_phy_reg_gg82563_80003es2lan
,
1395 .cfg_on_link_up
= e1000_cfg_on_link_up_80003es2lan
,
1398 static struct e1000_nvm_operations es2_nvm_ops
= {
1399 .acquire_nvm
= e1000_acquire_nvm_80003es2lan
,
1400 .read_nvm
= e1000e_read_nvm_eerd
,
1401 .release_nvm
= e1000_release_nvm_80003es2lan
,
1402 .update_nvm
= e1000e_update_nvm_checksum_generic
,
1403 .valid_led_default
= e1000e_valid_led_default
,
1404 .validate_nvm
= e1000e_validate_nvm_checksum_generic
,
1405 .write_nvm
= e1000_write_nvm_80003es2lan
,
1408 struct e1000_info e1000_es2_info
= {
1409 .mac
= e1000_80003es2lan
,
1410 .flags
= FLAG_HAS_HW_VLAN_FILTER
1411 | FLAG_HAS_JUMBO_FRAMES
1413 | FLAG_APME_IN_CTRL3
1414 | FLAG_RX_CSUM_ENABLED
1415 | FLAG_HAS_CTRLEXT_ON_LOAD
1416 | FLAG_RX_NEEDS_RESTART
/* errata */
1417 | FLAG_TARC_SET_BIT_ZERO
/* errata */
1418 | FLAG_APME_CHECK_PORT_B
1419 | FLAG_DISABLE_FC_PAUSE_TIME
/* errata */
1420 | FLAG_TIPG_MEDIUM_FOR_80003ESLAN
,
1422 .max_hw_frame_size
= DEFAULT_JUMBO
,
1423 .get_variants
= e1000_get_variants_80003es2lan
,
1424 .mac_ops
= &es2_mac_ops
,
1425 .phy_ops
= &es2_phy_ops
,
1426 .nvm_ops
= &es2_nvm_ops
,