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)
34 #include <linux/netdevice.h>
35 #include <linux/ethtool.h>
36 #include <linux/delay.h>
37 #include <linux/pci.h>
41 #define E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL 0x00
42 #define E1000_KMRNCTRLSTA_OFFSET_INB_CTRL 0x02
43 #define E1000_KMRNCTRLSTA_OFFSET_HD_CTRL 0x10
44 #define E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE 0x1F
46 #define E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS 0x0008
47 #define E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS 0x0800
48 #define E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING 0x0010
50 #define E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT 0x0004
51 #define E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT 0x0000
52 #define E1000_KMRNCTRLSTA_OPMODE_E_IDLE 0x2000
54 #define E1000_TCTL_EXT_GCEX_MASK 0x000FFC00 /* Gigabit Carry Extend Padding */
55 #define DEFAULT_TCTL_EXT_GCEX_80003ES2LAN 0x00010000
57 #define DEFAULT_TIPG_IPGT_1000_80003ES2LAN 0x8
58 #define DEFAULT_TIPG_IPGT_10_100_80003ES2LAN 0x9
60 /* GG82563 PHY Specific Status Register (Page 0, Register 16 */
61 #define GG82563_PSCR_POLARITY_REVERSAL_DISABLE 0x0002 /* 1=Reversal Disab. */
62 #define GG82563_PSCR_CROSSOVER_MODE_MASK 0x0060
63 #define GG82563_PSCR_CROSSOVER_MODE_MDI 0x0000 /* 00=Manual MDI */
64 #define GG82563_PSCR_CROSSOVER_MODE_MDIX 0x0020 /* 01=Manual MDIX */
65 #define GG82563_PSCR_CROSSOVER_MODE_AUTO 0x0060 /* 11=Auto crossover */
67 /* PHY Specific Control Register 2 (Page 0, Register 26) */
68 #define GG82563_PSCR2_REVERSE_AUTO_NEG 0x2000
69 /* 1=Reverse Auto-Negotiation */
71 /* MAC Specific Control Register (Page 2, Register 21) */
72 /* Tx clock speed for Link Down and 1000BASE-T for the following speeds */
73 #define GG82563_MSCR_TX_CLK_MASK 0x0007
74 #define GG82563_MSCR_TX_CLK_10MBPS_2_5 0x0004
75 #define GG82563_MSCR_TX_CLK_100MBPS_25 0x0005
76 #define GG82563_MSCR_TX_CLK_1000MBPS_25 0x0007
78 #define GG82563_MSCR_ASSERT_CRS_ON_TX 0x0010 /* 1=Assert */
80 /* DSP Distance Register (Page 5, Register 26) */
81 #define GG82563_DSPD_CABLE_LENGTH 0x0007 /* 0 = <50M
87 /* Kumeran Mode Control Register (Page 193, Register 16) */
88 #define GG82563_KMCR_PASS_FALSE_CARRIER 0x0800
90 /* Max number of times Kumeran read/write should be validated */
91 #define GG82563_MAX_KMRN_RETRY 0x5
93 /* Power Management Control Register (Page 193, Register 20) */
94 #define GG82563_PMCR_ENABLE_ELECTRICAL_IDLE 0x0001
95 /* 1=Enable SERDES Electrical Idle */
97 /* In-Band Control Register (Page 194, Register 18) */
98 #define GG82563_ICR_DIS_PADDING 0x0010 /* Disable Padding */
101 * A table for the GG82563 cable length where the range is defined
102 * with a lower bound at "index" and the upper bound at
105 static const u16 e1000_gg82563_cable_length_table
[] =
106 { 0, 60, 115, 150, 150, 60, 115, 150, 180, 180, 0xFF };
108 static s32
e1000_setup_copper_link_80003es2lan(struct e1000_hw
*hw
);
109 static s32
e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
);
110 static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
);
111 static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw
*hw
);
112 static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw
*hw
);
113 static s32
e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw
*hw
);
114 static s32
e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw
*hw
, u16 duplex
);
115 static s32
e1000_cfg_on_link_up_80003es2lan(struct e1000_hw
*hw
);
116 static s32
e1000_read_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
118 static s32
e1000_write_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
122 * e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
123 * @hw: pointer to the HW structure
125 * This is a function pointer entry point called by the api module.
127 static s32
e1000_init_phy_params_80003es2lan(struct e1000_hw
*hw
)
129 struct e1000_phy_info
*phy
= &hw
->phy
;
132 if (hw
->phy
.media_type
!= e1000_media_type_copper
) {
133 phy
->type
= e1000_phy_none
;
138 phy
->autoneg_mask
= AUTONEG_ADVERTISE_SPEED_DEFAULT
;
139 phy
->reset_delay_us
= 100;
140 phy
->type
= e1000_phy_gg82563
;
142 /* This can only be done after all function pointers are setup. */
143 ret_val
= e1000e_get_phy_id(hw
);
146 if (phy
->id
!= GG82563_E_PHY_ID
)
147 return -E1000_ERR_PHY
;
153 * e1000_init_nvm_params_80003es2lan - Init ESB2 NVM func ptrs.
154 * @hw: pointer to the HW structure
156 * This is a function pointer entry point called by the api module.
158 static s32
e1000_init_nvm_params_80003es2lan(struct e1000_hw
*hw
)
160 struct e1000_nvm_info
*nvm
= &hw
->nvm
;
161 u32 eecd
= er32(EECD
);
164 nvm
->opcode_bits
= 8;
166 switch (nvm
->override
) {
167 case e1000_nvm_override_spi_large
:
169 nvm
->address_bits
= 16;
171 case e1000_nvm_override_spi_small
:
173 nvm
->address_bits
= 8;
176 nvm
->page_size
= eecd
& E1000_EECD_ADDR_BITS
? 32 : 8;
177 nvm
->address_bits
= eecd
& E1000_EECD_ADDR_BITS
? 16 : 8;
181 nvm
->type
= e1000_nvm_eeprom_spi
;
183 size
= (u16
)((eecd
& E1000_EECD_SIZE_EX_MASK
) >>
184 E1000_EECD_SIZE_EX_SHIFT
);
187 * Added to a constant, "size" becomes the left-shift value
188 * for setting word_size.
190 size
+= NVM_WORD_SIZE_BASE_SHIFT
;
192 /* EEPROM access above 16k is unsupported */
195 nvm
->word_size
= 1 << size
;
201 * e1000_init_mac_params_80003es2lan - Init ESB2 MAC func ptrs.
202 * @hw: pointer to the HW structure
204 * This is a function pointer entry point called by the api module.
206 static s32
e1000_init_mac_params_80003es2lan(struct e1000_adapter
*adapter
)
208 struct e1000_hw
*hw
= &adapter
->hw
;
209 struct e1000_mac_info
*mac
= &hw
->mac
;
210 struct e1000_mac_operations
*func
= &mac
->ops
;
213 switch (adapter
->pdev
->device
) {
214 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT
:
215 hw
->phy
.media_type
= e1000_media_type_internal_serdes
;
218 hw
->phy
.media_type
= e1000_media_type_copper
;
222 /* Set mta register count */
223 mac
->mta_reg_count
= 128;
224 /* Set rar entry count */
225 mac
->rar_entry_count
= E1000_RAR_ENTRIES
;
226 /* Set if manageability features are enabled. */
227 mac
->arc_subsystem_valid
= (er32(FWSM
) & E1000_FWSM_MODE_MASK
) ? 1 : 0;
230 switch (hw
->phy
.media_type
) {
231 case e1000_media_type_copper
:
232 func
->setup_physical_interface
= e1000_setup_copper_link_80003es2lan
;
233 func
->check_for_link
= e1000e_check_for_copper_link
;
235 case e1000_media_type_fiber
:
236 func
->setup_physical_interface
= e1000e_setup_fiber_serdes_link
;
237 func
->check_for_link
= e1000e_check_for_fiber_link
;
239 case e1000_media_type_internal_serdes
:
240 func
->setup_physical_interface
= e1000e_setup_fiber_serdes_link
;
241 func
->check_for_link
= e1000e_check_for_serdes_link
;
244 return -E1000_ERR_CONFIG
;
251 static s32
e1000_get_variants_80003es2lan(struct e1000_adapter
*adapter
)
253 struct e1000_hw
*hw
= &adapter
->hw
;
256 rc
= e1000_init_mac_params_80003es2lan(adapter
);
260 rc
= e1000_init_nvm_params_80003es2lan(hw
);
264 rc
= e1000_init_phy_params_80003es2lan(hw
);
272 * e1000_acquire_phy_80003es2lan - Acquire rights to access PHY
273 * @hw: pointer to the HW structure
275 * A wrapper to acquire access rights to the correct PHY. This is a
276 * function pointer entry point called by the api module.
278 static s32
e1000_acquire_phy_80003es2lan(struct e1000_hw
*hw
)
282 mask
= hw
->bus
.func
? E1000_SWFW_PHY1_SM
: E1000_SWFW_PHY0_SM
;
283 return e1000_acquire_swfw_sync_80003es2lan(hw
, mask
);
287 * e1000_release_phy_80003es2lan - Release rights to access PHY
288 * @hw: pointer to the HW structure
290 * A wrapper to release access rights to the correct PHY. This is a
291 * function pointer entry point called by the api module.
293 static void e1000_release_phy_80003es2lan(struct e1000_hw
*hw
)
297 mask
= hw
->bus
.func
? E1000_SWFW_PHY1_SM
: E1000_SWFW_PHY0_SM
;
298 e1000_release_swfw_sync_80003es2lan(hw
, mask
);
302 * e1000_acquire_mac_csr_80003es2lan - Acquire rights to access Kumeran register
303 * @hw: pointer to the HW structure
305 * Acquire the semaphore to access the Kumeran interface.
308 static s32
e1000_acquire_mac_csr_80003es2lan(struct e1000_hw
*hw
)
312 mask
= E1000_SWFW_CSR_SM
;
314 return e1000_acquire_swfw_sync_80003es2lan(hw
, mask
);
318 * e1000_release_mac_csr_80003es2lan - Release rights to access Kumeran Register
319 * @hw: pointer to the HW structure
321 * Release the semaphore used to access the Kumeran interface
323 static void e1000_release_mac_csr_80003es2lan(struct e1000_hw
*hw
)
327 mask
= E1000_SWFW_CSR_SM
;
329 e1000_release_swfw_sync_80003es2lan(hw
, mask
);
333 * e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
334 * @hw: pointer to the HW structure
336 * Acquire the semaphore to access the EEPROM. This is a function
337 * pointer entry point called by the api module.
339 static s32
e1000_acquire_nvm_80003es2lan(struct e1000_hw
*hw
)
343 ret_val
= e1000_acquire_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
347 ret_val
= e1000e_acquire_nvm(hw
);
350 e1000_release_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
356 * e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
357 * @hw: pointer to the HW structure
359 * Release the semaphore used to access the EEPROM. This is a
360 * function pointer entry point called by the api module.
362 static void e1000_release_nvm_80003es2lan(struct e1000_hw
*hw
)
364 e1000e_release_nvm(hw
);
365 e1000_release_swfw_sync_80003es2lan(hw
, E1000_SWFW_EEP_SM
);
369 * e1000_acquire_swfw_sync_80003es2lan - Acquire SW/FW semaphore
370 * @hw: pointer to the HW structure
371 * @mask: specifies which semaphore to acquire
373 * Acquire the SW/FW semaphore to access the PHY or NVM. The mask
374 * will also specify which port we're acquiring the lock for.
376 static s32
e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
)
380 u32 fwmask
= mask
<< 16;
384 while (i
< timeout
) {
385 if (e1000e_get_hw_semaphore(hw
))
386 return -E1000_ERR_SWFW_SYNC
;
388 swfw_sync
= er32(SW_FW_SYNC
);
389 if (!(swfw_sync
& (fwmask
| swmask
)))
393 * Firmware currently using resource (fwmask)
394 * or other software thread using resource (swmask)
396 e1000e_put_hw_semaphore(hw
);
403 "Driver can't access resource, SW_FW_SYNC timeout.\n");
404 return -E1000_ERR_SWFW_SYNC
;
408 ew32(SW_FW_SYNC
, swfw_sync
);
410 e1000e_put_hw_semaphore(hw
);
416 * e1000_release_swfw_sync_80003es2lan - Release SW/FW semaphore
417 * @hw: pointer to the HW structure
418 * @mask: specifies which semaphore to acquire
420 * Release the SW/FW semaphore used to access the PHY or NVM. The mask
421 * will also specify which port we're releasing the lock for.
423 static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw
*hw
, u16 mask
)
427 while (e1000e_get_hw_semaphore(hw
) != 0);
430 swfw_sync
= er32(SW_FW_SYNC
);
432 ew32(SW_FW_SYNC
, swfw_sync
);
434 e1000e_put_hw_semaphore(hw
);
438 * e1000_read_phy_reg_gg82563_80003es2lan - Read GG82563 PHY register
439 * @hw: pointer to the HW structure
440 * @offset: offset of the register to read
441 * @data: pointer to the data returned from the operation
443 * Read the GG82563 PHY register. This is a function pointer entry
444 * point called by the api module.
446 static s32
e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw
*hw
,
447 u32 offset
, u16
*data
)
453 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
457 /* Select Configuration Page */
458 if ((offset
& MAX_PHY_REG_ADDRESS
) < GG82563_MIN_ALT_REG
) {
459 page_select
= GG82563_PHY_PAGE_SELECT
;
462 * Use Alternative Page Select register to access
463 * registers 30 and 31
465 page_select
= GG82563_PHY_PAGE_SELECT_ALT
;
468 temp
= (u16
)((u16
)offset
>> GG82563_PAGE_SHIFT
);
469 ret_val
= e1000e_write_phy_reg_mdic(hw
, page_select
, temp
);
471 e1000_release_phy_80003es2lan(hw
);
476 * The "ready" bit in the MDIC register may be incorrectly set
477 * before the device has completed the "Page Select" MDI
478 * transaction. So we wait 200us after each MDI command...
482 /* ...and verify the command was successful. */
483 ret_val
= e1000e_read_phy_reg_mdic(hw
, page_select
, &temp
);
485 if (((u16
)offset
>> GG82563_PAGE_SHIFT
) != temp
) {
486 ret_val
= -E1000_ERR_PHY
;
487 e1000_release_phy_80003es2lan(hw
);
493 ret_val
= e1000e_read_phy_reg_mdic(hw
, MAX_PHY_REG_ADDRESS
& offset
,
497 e1000_release_phy_80003es2lan(hw
);
503 * e1000_write_phy_reg_gg82563_80003es2lan - Write GG82563 PHY register
504 * @hw: pointer to the HW structure
505 * @offset: offset of the register to read
506 * @data: value to write to the register
508 * Write to the GG82563 PHY register. This is a function pointer entry
509 * point called by the api module.
511 static s32
e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw
*hw
,
512 u32 offset
, u16 data
)
518 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
522 /* Select Configuration Page */
523 if ((offset
& MAX_PHY_REG_ADDRESS
) < GG82563_MIN_ALT_REG
) {
524 page_select
= GG82563_PHY_PAGE_SELECT
;
527 * Use Alternative Page Select register to access
528 * registers 30 and 31
530 page_select
= GG82563_PHY_PAGE_SELECT_ALT
;
533 temp
= (u16
)((u16
)offset
>> GG82563_PAGE_SHIFT
);
534 ret_val
= e1000e_write_phy_reg_mdic(hw
, page_select
, temp
);
536 e1000_release_phy_80003es2lan(hw
);
542 * The "ready" bit in the MDIC register may be incorrectly set
543 * before the device has completed the "Page Select" MDI
544 * transaction. So we wait 200us after each MDI command...
548 /* ...and verify the command was successful. */
549 ret_val
= e1000e_read_phy_reg_mdic(hw
, page_select
, &temp
);
551 if (((u16
)offset
>> GG82563_PAGE_SHIFT
) != temp
) {
552 e1000_release_phy_80003es2lan(hw
);
553 return -E1000_ERR_PHY
;
558 ret_val
= e1000e_write_phy_reg_mdic(hw
, MAX_PHY_REG_ADDRESS
& offset
,
562 e1000_release_phy_80003es2lan(hw
);
568 * e1000_write_nvm_80003es2lan - Write to ESB2 NVM
569 * @hw: pointer to the HW structure
570 * @offset: offset of the register to read
571 * @words: number of words to write
572 * @data: buffer of data to write to the NVM
574 * Write "words" of data to the ESB2 NVM. This is a function
575 * pointer entry point called by the api module.
577 static s32
e1000_write_nvm_80003es2lan(struct e1000_hw
*hw
, u16 offset
,
578 u16 words
, u16
*data
)
580 return e1000e_write_nvm_spi(hw
, offset
, words
, data
);
584 * e1000_get_cfg_done_80003es2lan - Wait for configuration to complete
585 * @hw: pointer to the HW structure
587 * Wait a specific amount of time for manageability processes to complete.
588 * This is a function pointer entry point called by the phy module.
590 static s32
e1000_get_cfg_done_80003es2lan(struct e1000_hw
*hw
)
592 s32 timeout
= PHY_CFG_TIMEOUT
;
593 u32 mask
= E1000_NVM_CFG_DONE_PORT_0
;
595 if (hw
->bus
.func
== 1)
596 mask
= E1000_NVM_CFG_DONE_PORT_1
;
599 if (er32(EEMNGCTL
) & mask
)
605 hw_dbg(hw
, "MNG configuration cycle has not completed.\n");
606 return -E1000_ERR_RESET
;
613 * e1000_phy_force_speed_duplex_80003es2lan - Force PHY speed and duplex
614 * @hw: pointer to the HW structure
616 * Force the speed and duplex settings onto the PHY. This is a
617 * function pointer entry point called by the phy module.
619 static s32
e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw
*hw
)
626 * Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
627 * forced whenever speed and duplex are forced.
629 ret_val
= e1e_rphy(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_data
);
633 phy_data
&= ~GG82563_PSCR_CROSSOVER_MODE_AUTO
;
634 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL
, phy_data
);
638 hw_dbg(hw
, "GG82563 PSCR: %X\n", phy_data
);
640 ret_val
= e1e_rphy(hw
, PHY_CONTROL
, &phy_data
);
644 e1000e_phy_force_speed_duplex_setup(hw
, &phy_data
);
646 /* Reset the phy to commit changes. */
647 phy_data
|= MII_CR_RESET
;
649 ret_val
= e1e_wphy(hw
, PHY_CONTROL
, phy_data
);
655 if (hw
->phy
.autoneg_wait_to_complete
) {
656 hw_dbg(hw
, "Waiting for forced speed/duplex link "
657 "on GG82563 phy.\n");
659 ret_val
= e1000e_phy_has_link_generic(hw
, PHY_FORCE_LIMIT
,
666 * We didn't get link.
667 * Reset the DSP and cross our fingers.
669 ret_val
= e1000e_phy_reset_dsp(hw
);
675 ret_val
= e1000e_phy_has_link_generic(hw
, PHY_FORCE_LIMIT
,
681 ret_val
= e1e_rphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, &phy_data
);
686 * Resetting the phy means we need to verify the TX_CLK corresponds
687 * to the link speed. 10Mbps -> 2.5MHz, else 25MHz.
689 phy_data
&= ~GG82563_MSCR_TX_CLK_MASK
;
690 if (hw
->mac
.forced_speed_duplex
& E1000_ALL_10_SPEED
)
691 phy_data
|= GG82563_MSCR_TX_CLK_10MBPS_2_5
;
693 phy_data
|= GG82563_MSCR_TX_CLK_100MBPS_25
;
696 * In addition, we must re-enable CRS on Tx for both half and full
699 phy_data
|= GG82563_MSCR_ASSERT_CRS_ON_TX
;
700 ret_val
= e1e_wphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, phy_data
);
706 * e1000_get_cable_length_80003es2lan - Set approximate cable length
707 * @hw: pointer to the HW structure
709 * Find the approximate cable length as measured by the GG82563 PHY.
710 * This is a function pointer entry point called by the phy module.
712 static s32
e1000_get_cable_length_80003es2lan(struct e1000_hw
*hw
)
714 struct e1000_phy_info
*phy
= &hw
->phy
;
719 ret_val
= e1e_rphy(hw
, GG82563_PHY_DSP_DISTANCE
, &phy_data
);
723 index
= phy_data
& GG82563_DSPD_CABLE_LENGTH
;
724 phy
->min_cable_length
= e1000_gg82563_cable_length_table
[index
];
725 phy
->max_cable_length
= e1000_gg82563_cable_length_table
[index
+5];
727 phy
->cable_length
= (phy
->min_cable_length
+ phy
->max_cable_length
) / 2;
733 * e1000_get_link_up_info_80003es2lan - Report speed and duplex
734 * @hw: pointer to the HW structure
735 * @speed: pointer to speed buffer
736 * @duplex: pointer to duplex buffer
738 * Retrieve the current speed and duplex configuration.
739 * This is a function pointer entry point called by the api module.
741 static s32
e1000_get_link_up_info_80003es2lan(struct e1000_hw
*hw
, u16
*speed
,
746 if (hw
->phy
.media_type
== e1000_media_type_copper
) {
747 ret_val
= e1000e_get_speed_and_duplex_copper(hw
,
750 hw
->phy
.ops
.cfg_on_link_up(hw
);
752 ret_val
= e1000e_get_speed_and_duplex_fiber_serdes(hw
,
761 * e1000_reset_hw_80003es2lan - Reset the ESB2 controller
762 * @hw: pointer to the HW structure
764 * Perform a global reset to the ESB2 controller.
765 * This is a function pointer entry point called by the api module.
767 static s32
e1000_reset_hw_80003es2lan(struct e1000_hw
*hw
)
774 * Prevent the PCI-E bus from sticking if there is no TLP connection
775 * on the last TLP read/write transaction when MAC is reset.
777 ret_val
= e1000e_disable_pcie_master(hw
);
779 hw_dbg(hw
, "PCI-E Master disable polling has failed.\n");
781 hw_dbg(hw
, "Masking off all interrupts\n");
782 ew32(IMC
, 0xffffffff);
785 ew32(TCTL
, E1000_TCTL_PSP
);
792 ret_val
= e1000_acquire_phy_80003es2lan(hw
);
793 hw_dbg(hw
, "Issuing a global reset to MAC\n");
794 ew32(CTRL
, ctrl
| E1000_CTRL_RST
);
795 e1000_release_phy_80003es2lan(hw
);
797 ret_val
= e1000e_get_auto_rd_done(hw
);
799 /* We don't want to continue accessing MAC registers. */
802 /* Clear any pending interrupt events. */
803 ew32(IMC
, 0xffffffff);
810 * e1000_init_hw_80003es2lan - Initialize the ESB2 controller
811 * @hw: pointer to the HW structure
813 * Initialize the hw bits, LED, VFTA, MTA, link and hw counters.
814 * This is a function pointer entry point called by the api module.
816 static s32
e1000_init_hw_80003es2lan(struct e1000_hw
*hw
)
818 struct e1000_mac_info
*mac
= &hw
->mac
;
823 e1000_initialize_hw_bits_80003es2lan(hw
);
825 /* Initialize identification LED */
826 ret_val
= e1000e_id_led_init(hw
);
828 hw_dbg(hw
, "Error initializing identification LED\n");
832 /* Disabling VLAN filtering */
833 hw_dbg(hw
, "Initializing the IEEE VLAN\n");
834 e1000e_clear_vfta(hw
);
836 /* Setup the receive address. */
837 e1000e_init_rx_addrs(hw
, mac
->rar_entry_count
);
839 /* Zero out the Multicast HASH table */
840 hw_dbg(hw
, "Zeroing the MTA\n");
841 for (i
= 0; i
< mac
->mta_reg_count
; i
++)
842 E1000_WRITE_REG_ARRAY(hw
, E1000_MTA
, i
, 0);
844 /* Setup link and flow control */
845 ret_val
= e1000e_setup_link(hw
);
847 /* Set the transmit descriptor write-back policy */
848 reg_data
= er32(TXDCTL(0));
849 reg_data
= (reg_data
& ~E1000_TXDCTL_WTHRESH
) |
850 E1000_TXDCTL_FULL_TX_DESC_WB
| E1000_TXDCTL_COUNT_DESC
;
851 ew32(TXDCTL(0), reg_data
);
853 /* ...for both queues. */
854 reg_data
= er32(TXDCTL(1));
855 reg_data
= (reg_data
& ~E1000_TXDCTL_WTHRESH
) |
856 E1000_TXDCTL_FULL_TX_DESC_WB
| E1000_TXDCTL_COUNT_DESC
;
857 ew32(TXDCTL(1), reg_data
);
859 /* Enable retransmit on late collisions */
860 reg_data
= er32(TCTL
);
861 reg_data
|= E1000_TCTL_RTLC
;
862 ew32(TCTL
, reg_data
);
864 /* Configure Gigabit Carry Extend Padding */
865 reg_data
= er32(TCTL_EXT
);
866 reg_data
&= ~E1000_TCTL_EXT_GCEX_MASK
;
867 reg_data
|= DEFAULT_TCTL_EXT_GCEX_80003ES2LAN
;
868 ew32(TCTL_EXT
, reg_data
);
870 /* Configure Transmit Inter-Packet Gap */
871 reg_data
= er32(TIPG
);
872 reg_data
&= ~E1000_TIPG_IPGT_MASK
;
873 reg_data
|= DEFAULT_TIPG_IPGT_1000_80003ES2LAN
;
874 ew32(TIPG
, reg_data
);
876 reg_data
= E1000_READ_REG_ARRAY(hw
, E1000_FFLT
, 0x0001);
877 reg_data
&= ~0x00100000;
878 E1000_WRITE_REG_ARRAY(hw
, E1000_FFLT
, 0x0001, reg_data
);
881 * Clear all of the statistics registers (clear on read). It is
882 * important that we do this after we have tried to establish link
883 * because the symbol error count will increment wildly if there
886 e1000_clear_hw_cntrs_80003es2lan(hw
);
892 * e1000_initialize_hw_bits_80003es2lan - Init hw bits of ESB2
893 * @hw: pointer to the HW structure
895 * Initializes required hardware-dependent bits needed for normal operation.
897 static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw
*hw
)
901 /* Transmit Descriptor Control 0 */
902 reg
= er32(TXDCTL(0));
904 ew32(TXDCTL(0), reg
);
906 /* Transmit Descriptor Control 1 */
907 reg
= er32(TXDCTL(1));
909 ew32(TXDCTL(1), reg
);
911 /* Transmit Arbitration Control 0 */
913 reg
&= ~(0xF << 27); /* 30:27 */
914 if (hw
->phy
.media_type
!= e1000_media_type_copper
)
918 /* Transmit Arbitration Control 1 */
920 if (er32(TCTL
) & E1000_TCTL_MULR
)
928 * e1000_copper_link_setup_gg82563_80003es2lan - Configure GG82563 Link
929 * @hw: pointer to the HW structure
931 * Setup some GG82563 PHY registers for obtaining link
933 static s32
e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw
*hw
)
935 struct e1000_phy_info
*phy
= &hw
->phy
;
940 ret_val
= e1e_rphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, &data
);
944 data
|= GG82563_MSCR_ASSERT_CRS_ON_TX
;
945 /* Use 25MHz for both link down and 1000Base-T for Tx clock. */
946 data
|= GG82563_MSCR_TX_CLK_1000MBPS_25
;
948 ret_val
= e1e_wphy(hw
, GG82563_PHY_MAC_SPEC_CTRL
, data
);
954 * MDI/MDI-X = 0 (default)
955 * 0 - Auto for all speeds
958 * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
960 ret_val
= e1e_rphy(hw
, GG82563_PHY_SPEC_CTRL
, &data
);
964 data
&= ~GG82563_PSCR_CROSSOVER_MODE_MASK
;
968 data
|= GG82563_PSCR_CROSSOVER_MODE_MDI
;
971 data
|= GG82563_PSCR_CROSSOVER_MODE_MDIX
;
975 data
|= GG82563_PSCR_CROSSOVER_MODE_AUTO
;
981 * disable_polarity_correction = 0 (default)
982 * Automatic Correction for Reversed Cable Polarity
986 data
&= ~GG82563_PSCR_POLARITY_REVERSAL_DISABLE
;
987 if (phy
->disable_polarity_correction
)
988 data
|= GG82563_PSCR_POLARITY_REVERSAL_DISABLE
;
990 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL
, data
);
994 /* SW Reset the PHY so all changes take effect */
995 ret_val
= e1000e_commit_phy(hw
);
997 hw_dbg(hw
, "Error Resetting the PHY\n");
1001 /* Bypass Rx and Tx FIFO's */
1002 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1003 E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL
,
1004 E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS
|
1005 E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS
);
1009 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
,
1010 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE
,
1014 data
|= E1000_KMRNCTRLSTA_OPMODE_E_IDLE
;
1015 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1016 E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE
,
1021 ret_val
= e1e_rphy(hw
, GG82563_PHY_SPEC_CTRL_2
, &data
);
1025 data
&= ~GG82563_PSCR2_REVERSE_AUTO_NEG
;
1026 ret_val
= e1e_wphy(hw
, GG82563_PHY_SPEC_CTRL_2
, data
);
1030 ctrl_ext
= er32(CTRL_EXT
);
1031 ctrl_ext
&= ~(E1000_CTRL_EXT_LINK_MODE_MASK
);
1032 ew32(CTRL_EXT
, ctrl_ext
);
1034 ret_val
= e1e_rphy(hw
, GG82563_PHY_PWR_MGMT_CTRL
, &data
);
1039 * Do not init these registers when the HW is in IAMT mode, since the
1040 * firmware will have already initialized them. We only initialize
1041 * them if the HW is not in IAMT mode.
1043 if (!e1000e_check_mng_mode(hw
)) {
1044 /* Enable Electrical Idle on the PHY */
1045 data
|= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE
;
1046 ret_val
= e1e_wphy(hw
, GG82563_PHY_PWR_MGMT_CTRL
, data
);
1050 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, &data
);
1054 data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1055 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, data
);
1061 * Workaround: Disable padding in Kumeran interface in the MAC
1062 * and in the PHY to avoid CRC errors.
1064 ret_val
= e1e_rphy(hw
, GG82563_PHY_INBAND_CTRL
, &data
);
1068 data
|= GG82563_ICR_DIS_PADDING
;
1069 ret_val
= e1e_wphy(hw
, GG82563_PHY_INBAND_CTRL
, data
);
1077 * e1000_setup_copper_link_80003es2lan - Setup Copper Link for ESB2
1078 * @hw: pointer to the HW structure
1080 * Essentially a wrapper for setting up all things "copper" related.
1081 * This is a function pointer entry point called by the mac module.
1083 static s32
e1000_setup_copper_link_80003es2lan(struct e1000_hw
*hw
)
1090 ctrl
|= E1000_CTRL_SLU
;
1091 ctrl
&= ~(E1000_CTRL_FRCSPD
| E1000_CTRL_FRCDPX
);
1095 * Set the mac to wait the maximum time between each
1096 * iteration and increase the max iterations when
1097 * polling the phy; this fixes erroneous timeouts at 10Mbps.
1099 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 4),
1103 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 9),
1108 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
, GG82563_REG(0x34, 9),
1112 ret_val
= e1000_read_kmrn_reg_80003es2lan(hw
,
1113 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL
,
1117 reg_data
|= E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING
;
1118 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1119 E1000_KMRNCTRLSTA_OFFSET_INB_CTRL
,
1124 ret_val
= e1000_copper_link_setup_gg82563_80003es2lan(hw
);
1128 ret_val
= e1000e_setup_copper_link(hw
);
1134 * e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
1135 * @hw: pointer to the HW structure
1136 * @duplex: current duplex setting
1138 * Configure the KMRN interface by applying last minute quirks for
1141 static s32
e1000_cfg_on_link_up_80003es2lan(struct e1000_hw
*hw
)
1147 if (hw
->phy
.media_type
== e1000_media_type_copper
) {
1148 ret_val
= e1000e_get_speed_and_duplex_copper(hw
, &speed
,
1153 if (speed
== SPEED_1000
)
1154 ret_val
= e1000_cfg_kmrn_1000_80003es2lan(hw
);
1156 ret_val
= e1000_cfg_kmrn_10_100_80003es2lan(hw
, duplex
);
1163 * e1000_cfg_kmrn_10_100_80003es2lan - Apply "quirks" for 10/100 operation
1164 * @hw: pointer to the HW structure
1165 * @duplex: current duplex setting
1167 * Configure the KMRN interface by applying last minute quirks for
1170 static s32
e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw
*hw
, u16 duplex
)
1175 u16 reg_data
, reg_data2
;
1177 reg_data
= E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT
;
1178 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1179 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL
,
1184 /* Configure Transmit Inter-Packet Gap */
1186 tipg
&= ~E1000_TIPG_IPGT_MASK
;
1187 tipg
|= DEFAULT_TIPG_IPGT_10_100_80003ES2LAN
;
1191 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data
);
1195 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data2
);
1199 } while ((reg_data
!= reg_data2
) && (i
< GG82563_MAX_KMRN_RETRY
));
1201 if (duplex
== HALF_DUPLEX
)
1202 reg_data
|= GG82563_KMCR_PASS_FALSE_CARRIER
;
1204 reg_data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1206 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, reg_data
);
1212 * e1000_cfg_kmrn_1000_80003es2lan - Apply "quirks" for gigabit operation
1213 * @hw: pointer to the HW structure
1215 * Configure the KMRN interface by applying last minute quirks for
1216 * gigabit operation.
1218 static s32
e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw
*hw
)
1221 u16 reg_data
, reg_data2
;
1225 reg_data
= E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT
;
1226 ret_val
= e1000_write_kmrn_reg_80003es2lan(hw
,
1227 E1000_KMRNCTRLSTA_OFFSET_HD_CTRL
,
1232 /* Configure Transmit Inter-Packet Gap */
1234 tipg
&= ~E1000_TIPG_IPGT_MASK
;
1235 tipg
|= DEFAULT_TIPG_IPGT_1000_80003ES2LAN
;
1239 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data
);
1243 ret_val
= e1e_rphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, ®_data2
);
1247 } while ((reg_data
!= reg_data2
) && (i
< GG82563_MAX_KMRN_RETRY
));
1249 reg_data
&= ~GG82563_KMCR_PASS_FALSE_CARRIER
;
1250 ret_val
= e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, reg_data
);
1256 * e1000_read_kmrn_reg_80003es2lan - Read kumeran register
1257 * @hw: pointer to the HW structure
1258 * @offset: register offset to be read
1259 * @data: pointer to the read data
1261 * Acquire semaphore, then read the PHY register at offset
1262 * using the kumeran interface. The information retrieved is stored in data.
1263 * Release the semaphore before exiting.
1265 static s32
e1000_read_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
1271 ret_val
= e1000_acquire_mac_csr_80003es2lan(hw
);
1275 kmrnctrlsta
= ((offset
<< E1000_KMRNCTRLSTA_OFFSET_SHIFT
) &
1276 E1000_KMRNCTRLSTA_OFFSET
) | E1000_KMRNCTRLSTA_REN
;
1277 ew32(KMRNCTRLSTA
, kmrnctrlsta
);
1281 kmrnctrlsta
= er32(KMRNCTRLSTA
);
1282 *data
= (u16
)kmrnctrlsta
;
1284 e1000_release_mac_csr_80003es2lan(hw
);
1290 * e1000_write_kmrn_reg_80003es2lan - Write kumeran register
1291 * @hw: pointer to the HW structure
1292 * @offset: register offset to write to
1293 * @data: data to write at register offset
1295 * Acquire semaphore, then write the data to PHY register
1296 * at the offset using the kumeran interface. Release semaphore
1299 static s32
e1000_write_kmrn_reg_80003es2lan(struct e1000_hw
*hw
, u32 offset
,
1305 ret_val
= e1000_acquire_mac_csr_80003es2lan(hw
);
1309 kmrnctrlsta
= ((offset
<< E1000_KMRNCTRLSTA_OFFSET_SHIFT
) &
1310 E1000_KMRNCTRLSTA_OFFSET
) | data
;
1311 ew32(KMRNCTRLSTA
, kmrnctrlsta
);
1315 e1000_release_mac_csr_80003es2lan(hw
);
1321 * e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
1322 * @hw: pointer to the HW structure
1324 * Clears the hardware counters by reading the counter registers.
1326 static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw
*hw
)
1330 e1000e_clear_hw_cntrs_base(hw
);
1333 temp
= er32(PRC127
);
1334 temp
= er32(PRC255
);
1335 temp
= er32(PRC511
);
1336 temp
= er32(PRC1023
);
1337 temp
= er32(PRC1522
);
1339 temp
= er32(PTC127
);
1340 temp
= er32(PTC255
);
1341 temp
= er32(PTC511
);
1342 temp
= er32(PTC1023
);
1343 temp
= er32(PTC1522
);
1345 temp
= er32(ALGNERRC
);
1346 temp
= er32(RXERRC
);
1348 temp
= er32(CEXTERR
);
1350 temp
= er32(TSCTFC
);
1352 temp
= er32(MGTPRC
);
1353 temp
= er32(MGTPDC
);
1354 temp
= er32(MGTPTC
);
1357 temp
= er32(ICRXOC
);
1359 temp
= er32(ICRXPTC
);
1360 temp
= er32(ICRXATC
);
1361 temp
= er32(ICTXPTC
);
1362 temp
= er32(ICTXATC
);
1363 temp
= er32(ICTXQEC
);
1364 temp
= er32(ICTXQMTC
);
1365 temp
= er32(ICRXDMTC
);
1368 static struct e1000_mac_operations es2_mac_ops
= {
1369 .id_led_init
= e1000e_id_led_init
,
1370 .check_mng_mode
= e1000e_check_mng_mode_generic
,
1371 /* check_for_link dependent on media type */
1372 .cleanup_led
= e1000e_cleanup_led_generic
,
1373 .clear_hw_cntrs
= e1000_clear_hw_cntrs_80003es2lan
,
1374 .get_bus_info
= e1000e_get_bus_info_pcie
,
1375 .get_link_up_info
= e1000_get_link_up_info_80003es2lan
,
1376 .led_on
= e1000e_led_on_generic
,
1377 .led_off
= e1000e_led_off_generic
,
1378 .update_mc_addr_list
= e1000e_update_mc_addr_list_generic
,
1379 .reset_hw
= e1000_reset_hw_80003es2lan
,
1380 .init_hw
= e1000_init_hw_80003es2lan
,
1381 .setup_link
= e1000e_setup_link
,
1382 /* setup_physical_interface dependent on media type */
1383 .setup_led
= e1000e_setup_led_generic
,
1386 static struct e1000_phy_operations es2_phy_ops
= {
1387 .acquire_phy
= e1000_acquire_phy_80003es2lan
,
1388 .check_reset_block
= e1000e_check_reset_block_generic
,
1389 .commit_phy
= e1000e_phy_sw_reset
,
1390 .force_speed_duplex
= e1000_phy_force_speed_duplex_80003es2lan
,
1391 .get_cfg_done
= e1000_get_cfg_done_80003es2lan
,
1392 .get_cable_length
= e1000_get_cable_length_80003es2lan
,
1393 .get_phy_info
= e1000e_get_phy_info_m88
,
1394 .read_phy_reg
= e1000_read_phy_reg_gg82563_80003es2lan
,
1395 .release_phy
= e1000_release_phy_80003es2lan
,
1396 .reset_phy
= e1000e_phy_hw_reset_generic
,
1397 .set_d0_lplu_state
= NULL
,
1398 .set_d3_lplu_state
= e1000e_set_d3_lplu_state
,
1399 .write_phy_reg
= e1000_write_phy_reg_gg82563_80003es2lan
,
1400 .cfg_on_link_up
= e1000_cfg_on_link_up_80003es2lan
,
1403 static struct e1000_nvm_operations es2_nvm_ops
= {
1404 .acquire_nvm
= e1000_acquire_nvm_80003es2lan
,
1405 .read_nvm
= e1000e_read_nvm_eerd
,
1406 .release_nvm
= e1000_release_nvm_80003es2lan
,
1407 .update_nvm
= e1000e_update_nvm_checksum_generic
,
1408 .valid_led_default
= e1000e_valid_led_default
,
1409 .validate_nvm
= e1000e_validate_nvm_checksum_generic
,
1410 .write_nvm
= e1000_write_nvm_80003es2lan
,
1413 struct e1000_info e1000_es2_info
= {
1414 .mac
= e1000_80003es2lan
,
1415 .flags
= FLAG_HAS_HW_VLAN_FILTER
1416 | FLAG_HAS_JUMBO_FRAMES
1418 | FLAG_APME_IN_CTRL3
1419 | FLAG_RX_CSUM_ENABLED
1420 | FLAG_HAS_CTRLEXT_ON_LOAD
1421 | FLAG_RX_NEEDS_RESTART
/* errata */
1422 | FLAG_TARC_SET_BIT_ZERO
/* errata */
1423 | FLAG_APME_CHECK_PORT_B
1424 | FLAG_DISABLE_FC_PAUSE_TIME
/* errata */
1425 | FLAG_TIPG_MEDIUM_FOR_80003ESLAN
,
1427 .max_hw_frame_size
= DEFAULT_JUMBO
,
1428 .get_variants
= e1000_get_variants_80003es2lan
,
1429 .mac_ops
= &es2_mac_ops
,
1430 .phy_ops
= &es2_phy_ops
,
1431 .nvm_ops
= &es2_nvm_ops
,