1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2007-2008 Solarflare Communications Inc.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation, incorporated herein by reference.
10 #include <linux/delay.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/seq_file.h>
17 #include "falcon_hwdefs.h"
19 #include "workarounds.h"
22 /* We expect these MMDs to be in the package. SFT9001 also has a
23 * clause 22 extension MMD, but since it doesn't have all the generic
24 * MMD registers it is pointless to include it here.
26 #define TENXPRESS_REQUIRED_DEVS (MDIO_DEVS_PMAPMD | \
31 #define SFX7101_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \
32 (1 << LOOPBACK_PCS) | \
33 (1 << LOOPBACK_PMAPMD) | \
34 (1 << LOOPBACK_NETWORK))
36 #define SFT9001_LOOPBACKS ((1 << LOOPBACK_GPHY) | \
37 (1 << LOOPBACK_PHYXS) | \
38 (1 << LOOPBACK_PCS) | \
39 (1 << LOOPBACK_PMAPMD) | \
40 (1 << LOOPBACK_NETWORK))
42 /* We complain if we fail to see the link partner as 10G capable this many
43 * times in a row (must be > 1 as sampling the autoneg. registers is racy)
45 #define MAX_BAD_LP_TRIES (5)
47 /* Extended control register */
48 #define PMA_PMD_XCONTROL_REG 49152
49 #define PMA_PMD_EXT_GMII_EN_LBN 1
50 #define PMA_PMD_EXT_GMII_EN_WIDTH 1
51 #define PMA_PMD_EXT_CLK_OUT_LBN 2
52 #define PMA_PMD_EXT_CLK_OUT_WIDTH 1
53 #define PMA_PMD_LNPGA_POWERDOWN_LBN 8 /* SFX7101 only */
54 #define PMA_PMD_LNPGA_POWERDOWN_WIDTH 1
55 #define PMA_PMD_EXT_CLK312_LBN 8 /* SFT9001 only */
56 #define PMA_PMD_EXT_CLK312_WIDTH 1
57 #define PMA_PMD_EXT_LPOWER_LBN 12
58 #define PMA_PMD_EXT_LPOWER_WIDTH 1
59 #define PMA_PMD_EXT_ROBUST_LBN 14
60 #define PMA_PMD_EXT_ROBUST_WIDTH 1
61 #define PMA_PMD_EXT_SSR_LBN 15
62 #define PMA_PMD_EXT_SSR_WIDTH 1
64 /* extended status register */
65 #define PMA_PMD_XSTATUS_REG 49153
66 #define PMA_PMD_XSTAT_MDIX_LBN 14
67 #define PMA_PMD_XSTAT_FLP_LBN (12)
69 /* LED control register */
70 #define PMA_PMD_LED_CTRL_REG 49159
71 #define PMA_PMA_LED_ACTIVITY_LBN (3)
73 /* LED function override register */
74 #define PMA_PMD_LED_OVERR_REG 49161
75 /* Bit positions for different LEDs (there are more but not wired on SFE4001)*/
76 #define PMA_PMD_LED_LINK_LBN (0)
77 #define PMA_PMD_LED_SPEED_LBN (2)
78 #define PMA_PMD_LED_TX_LBN (4)
79 #define PMA_PMD_LED_RX_LBN (6)
80 /* Override settings */
81 #define PMA_PMD_LED_AUTO (0) /* H/W control */
82 #define PMA_PMD_LED_ON (1)
83 #define PMA_PMD_LED_OFF (2)
84 #define PMA_PMD_LED_FLASH (3)
85 #define PMA_PMD_LED_MASK 3
86 /* All LEDs under hardware control */
87 #define PMA_PMD_LED_FULL_AUTO (0)
88 /* Green and Amber under hardware control, Red off */
89 #define PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN)
91 #define PMA_PMD_SPEED_ENABLE_REG 49192
92 #define PMA_PMD_100TX_ADV_LBN 1
93 #define PMA_PMD_100TX_ADV_WIDTH 1
94 #define PMA_PMD_1000T_ADV_LBN 2
95 #define PMA_PMD_1000T_ADV_WIDTH 1
96 #define PMA_PMD_10000T_ADV_LBN 3
97 #define PMA_PMD_10000T_ADV_WIDTH 1
98 #define PMA_PMD_SPEED_LBN 4
99 #define PMA_PMD_SPEED_WIDTH 4
101 /* Cable diagnostics - SFT9001 only */
102 #define PMA_PMD_CDIAG_CTRL_REG 49213
103 #define CDIAG_CTRL_IMMED_LBN 15
104 #define CDIAG_CTRL_BRK_LINK_LBN 12
105 #define CDIAG_CTRL_IN_PROG_LBN 11
106 #define CDIAG_CTRL_LEN_UNIT_LBN 10
107 #define CDIAG_CTRL_LEN_METRES 1
108 #define PMA_PMD_CDIAG_RES_REG 49174
109 #define CDIAG_RES_A_LBN 12
110 #define CDIAG_RES_B_LBN 8
111 #define CDIAG_RES_C_LBN 4
112 #define CDIAG_RES_D_LBN 0
113 #define CDIAG_RES_WIDTH 4
114 #define CDIAG_RES_OPEN 2
115 #define CDIAG_RES_OK 1
116 #define CDIAG_RES_INVALID 0
117 /* Set of 4 registers for pairs A-D */
118 #define PMA_PMD_CDIAG_LEN_REG 49175
120 /* Serdes control registers - SFT9001 only */
121 #define PMA_PMD_CSERDES_CTRL_REG 64258
122 /* Set the 156.25 MHz output to 312.5 MHz to drive Falcon's XMAC */
123 #define PMA_PMD_CSERDES_DEFAULT 0x000f
125 /* Misc register defines - SFX7101 only */
126 #define PCS_CLOCK_CTRL_REG 55297
127 #define PLL312_RST_N_LBN 2
129 #define PCS_SOFT_RST2_REG 55302
130 #define SERDES_RST_N_LBN 13
131 #define XGXS_RST_N_LBN 12
133 #define PCS_TEST_SELECT_REG 55303 /* PRM 10.5.8 */
134 #define CLK312_EN_LBN 3
136 /* PHYXS registers */
137 #define PHYXS_XCONTROL_REG 49152
138 #define PHYXS_RESET_LBN 15
139 #define PHYXS_RESET_WIDTH 1
141 #define PHYXS_TEST1 (49162)
142 #define LOOPBACK_NEAR_LBN (8)
143 #define LOOPBACK_NEAR_WIDTH (1)
145 /* Boot status register */
146 #define PCS_BOOT_STATUS_REG 53248
147 #define PCS_BOOT_FATAL_ERROR_LBN 0
148 #define PCS_BOOT_PROGRESS_LBN 1
149 #define PCS_BOOT_PROGRESS_WIDTH 2
150 #define PCS_BOOT_PROGRESS_INIT 0
151 #define PCS_BOOT_PROGRESS_WAIT_MDIO 1
152 #define PCS_BOOT_PROGRESS_CHECKSUM 2
153 #define PCS_BOOT_PROGRESS_JUMP 3
154 #define PCS_BOOT_DOWNLOAD_WAIT_LBN 3
155 #define PCS_BOOT_CODE_STARTED_LBN 4
157 /* 100M/1G PHY registers */
158 #define GPHY_XCONTROL_REG 49152
159 #define GPHY_ISOLATE_LBN 10
160 #define GPHY_ISOLATE_WIDTH 1
161 #define GPHY_DUPLEX_LBN 8
162 #define GPHY_DUPLEX_WIDTH 1
163 #define GPHY_LOOPBACK_NEAR_LBN 14
164 #define GPHY_LOOPBACK_NEAR_WIDTH 1
166 #define C22EXT_STATUS_REG 49153
167 #define C22EXT_STATUS_LINK_LBN 2
168 #define C22EXT_STATUS_LINK_WIDTH 1
170 #define C22EXT_MSTSLV_CTRL 49161
171 #define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN 8
172 #define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN 9
174 #define C22EXT_MSTSLV_STATUS 49162
175 #define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN 10
176 #define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN 11
178 /* Time to wait between powering down the LNPGA and turning off the power
180 #define LNPGA_PDOWN_WAIT (HZ / 5)
182 struct tenxpress_phy_data {
183 enum efx_loopback_mode loopback_mode;
184 enum efx_phy_mode phy_mode;
188 static ssize_t show_phy_short_reach(struct device *dev,
189 struct device_attribute *attr, char *buf)
191 struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
194 reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_10GBT_TXPWR);
195 return sprintf(buf, "%d\n", !!(reg & MDIO_PMA_10GBT_TXPWR_SHORT));
198 static ssize_t set_phy_short_reach(struct device *dev,
199 struct device_attribute *attr,
200 const char *buf, size_t count)
202 struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
205 efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, MDIO_PMA_10GBT_TXPWR,
206 MDIO_PMA_10GBT_TXPWR_SHORT,
207 count != 0 && *buf != '0');
208 efx_reconfigure_port(efx);
214 static DEVICE_ATTR(phy_short_reach, 0644, show_phy_short_reach,
215 set_phy_short_reach);
217 int sft9001_wait_boot(struct efx_nic *efx)
219 unsigned long timeout = jiffies + HZ + 1;
223 boot_stat = efx_mdio_read(efx, MDIO_MMD_PCS,
224 PCS_BOOT_STATUS_REG);
225 if (boot_stat >= 0) {
226 EFX_LOG(efx, "PHY boot status = %#x\n", boot_stat);
228 ((1 << PCS_BOOT_FATAL_ERROR_LBN) |
229 (3 << PCS_BOOT_PROGRESS_LBN) |
230 (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN) |
231 (1 << PCS_BOOT_CODE_STARTED_LBN))) {
232 case ((1 << PCS_BOOT_FATAL_ERROR_LBN) |
233 (PCS_BOOT_PROGRESS_CHECKSUM <<
234 PCS_BOOT_PROGRESS_LBN)):
235 case ((1 << PCS_BOOT_FATAL_ERROR_LBN) |
236 (PCS_BOOT_PROGRESS_INIT <<
237 PCS_BOOT_PROGRESS_LBN) |
238 (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN)):
240 case ((PCS_BOOT_PROGRESS_WAIT_MDIO <<
241 PCS_BOOT_PROGRESS_LBN) |
242 (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN)):
243 return (efx->phy_mode & PHY_MODE_SPECIAL) ?
245 case ((PCS_BOOT_PROGRESS_JUMP <<
246 PCS_BOOT_PROGRESS_LBN) |
247 (1 << PCS_BOOT_CODE_STARTED_LBN)):
248 case ((PCS_BOOT_PROGRESS_JUMP <<
249 PCS_BOOT_PROGRESS_LBN) |
250 (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN) |
251 (1 << PCS_BOOT_CODE_STARTED_LBN)):
252 return (efx->phy_mode & PHY_MODE_SPECIAL) ?
255 if (boot_stat & (1 << PCS_BOOT_FATAL_ERROR_LBN))
261 if (time_after_eq(jiffies, timeout))
268 static int tenxpress_init(struct efx_nic *efx)
272 if (efx->phy_type == PHY_TYPE_SFX7101) {
273 /* Enable 312.5 MHz clock */
274 efx_mdio_write(efx, MDIO_MMD_PCS, PCS_TEST_SELECT_REG,
277 /* Enable 312.5 MHz clock and GMII */
278 reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG);
279 reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) |
280 (1 << PMA_PMD_EXT_CLK_OUT_LBN) |
281 (1 << PMA_PMD_EXT_CLK312_LBN) |
282 (1 << PMA_PMD_EXT_ROBUST_LBN));
284 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg);
285 efx_mdio_set_flag(efx, MDIO_MMD_C22EXT,
286 GPHY_XCONTROL_REG, 1 << GPHY_ISOLATE_LBN,
290 /* Set the LEDs up as: Green = Link, Amber = Link/Act, Red = Off */
291 if (efx->phy_type == PHY_TYPE_SFX7101) {
292 efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_CTRL_REG,
293 1 << PMA_PMA_LED_ACTIVITY_LBN, true);
294 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG,
295 PMA_PMD_LED_DEFAULT);
301 static int tenxpress_phy_init(struct efx_nic *efx)
303 struct tenxpress_phy_data *phy_data;
306 phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
309 efx->phy_data = phy_data;
310 phy_data->phy_mode = efx->phy_mode;
312 if (!(efx->phy_mode & PHY_MODE_SPECIAL)) {
313 if (efx->phy_type == PHY_TYPE_SFT9001A) {
315 reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
316 PMA_PMD_XCONTROL_REG);
317 reg |= (1 << PMA_PMD_EXT_SSR_LBN);
318 efx_mdio_write(efx, MDIO_MMD_PMAPMD,
319 PMA_PMD_XCONTROL_REG, reg);
323 rc = efx_mdio_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS);
327 rc = efx_mdio_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0);
332 rc = tenxpress_init(efx);
336 if (efx->phy_type == PHY_TYPE_SFT9001B) {
337 rc = device_create_file(&efx->pci_dev->dev,
338 &dev_attr_phy_short_reach);
343 schedule_timeout_uninterruptible(HZ / 5); /* 200ms */
345 /* Let XGXS and SerDes out of reset */
346 falcon_reset_xaui(efx);
351 kfree(efx->phy_data);
352 efx->phy_data = NULL;
356 /* Perform a "special software reset" on the PHY. The caller is
357 * responsible for saving and restoring the PHY hardware registers
358 * properly, and masking/unmasking LASI */
359 static int tenxpress_special_reset(struct efx_nic *efx)
363 /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so
364 * a special software reset can glitch the XGMAC sufficiently for stats
365 * requests to fail. */
366 efx_stats_disable(efx);
369 reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG);
370 reg |= (1 << PMA_PMD_EXT_SSR_LBN);
371 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg);
375 /* Wait for the blocks to come out of reset */
376 rc = efx_mdio_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS);
380 /* Try and reconfigure the device */
381 rc = tenxpress_init(efx);
385 /* Wait for the XGXS state machine to churn */
388 efx_stats_enable(efx);
392 static void sfx7101_check_bad_lp(struct efx_nic *efx, bool link_ok)
394 struct tenxpress_phy_data *pd = efx->phy_data;
401 /* Check that AN has started but not completed. */
402 reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_STAT1);
403 if (!(reg & MDIO_AN_STAT1_LPABLE))
404 return; /* LP status is unknown */
405 bad_lp = !(reg & MDIO_AN_STAT1_COMPLETE);
410 /* Nothing to do if all is well and was previously so. */
411 if (!pd->bad_lp_tries)
414 /* Use the RX (red) LED as an error indicator once we've seen AN
415 * failure several times in a row, and also log a message. */
416 if (!bad_lp || pd->bad_lp_tries == MAX_BAD_LP_TRIES) {
417 reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
418 PMA_PMD_LED_OVERR_REG);
419 reg &= ~(PMA_PMD_LED_MASK << PMA_PMD_LED_RX_LBN);
421 reg |= PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN;
423 reg |= PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN;
424 EFX_ERR(efx, "appears to be plugged into a port"
425 " that is not 10GBASE-T capable. The PHY"
426 " supports 10GBASE-T ONLY, so no link can"
427 " be established\n");
429 efx_mdio_write(efx, MDIO_MMD_PMAPMD,
430 PMA_PMD_LED_OVERR_REG, reg);
431 pd->bad_lp_tries = bad_lp;
435 static bool sfx7101_link_ok(struct efx_nic *efx)
437 return efx_mdio_links_ok(efx,
443 static bool sft9001_link_ok(struct efx_nic *efx, struct ethtool_cmd *ecmd)
447 if (efx_phy_mode_disabled(efx->phy_mode))
449 else if (efx->loopback_mode == LOOPBACK_GPHY)
451 else if (efx->loopback_mode)
452 return efx_mdio_links_ok(efx,
456 /* We must use the same definition of link state as LASI,
457 * otherwise we can miss a link state transition
459 if (ecmd->speed == 10000) {
460 reg = efx_mdio_read(efx, MDIO_MMD_PCS, MDIO_PCS_10GBRT_STAT1);
461 return reg & MDIO_PCS_10GBRT_STAT1_BLKLK;
463 reg = efx_mdio_read(efx, MDIO_MMD_C22EXT, C22EXT_STATUS_REG);
464 return reg & (1 << C22EXT_STATUS_LINK_LBN);
468 static void tenxpress_ext_loopback(struct efx_nic *efx)
470 efx_mdio_set_flag(efx, MDIO_MMD_PHYXS, PHYXS_TEST1,
471 1 << LOOPBACK_NEAR_LBN,
472 efx->loopback_mode == LOOPBACK_PHYXS);
473 if (efx->phy_type != PHY_TYPE_SFX7101)
474 efx_mdio_set_flag(efx, MDIO_MMD_C22EXT, GPHY_XCONTROL_REG,
475 1 << GPHY_LOOPBACK_NEAR_LBN,
476 efx->loopback_mode == LOOPBACK_GPHY);
479 static void tenxpress_low_power(struct efx_nic *efx)
481 if (efx->phy_type == PHY_TYPE_SFX7101)
482 efx_mdio_set_mmds_lpower(
483 efx, !!(efx->phy_mode & PHY_MODE_LOW_POWER),
484 TENXPRESS_REQUIRED_DEVS);
487 efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG,
488 1 << PMA_PMD_EXT_LPOWER_LBN,
489 !!(efx->phy_mode & PHY_MODE_LOW_POWER));
492 static void tenxpress_phy_reconfigure(struct efx_nic *efx)
494 struct tenxpress_phy_data *phy_data = efx->phy_data;
495 struct ethtool_cmd ecmd;
496 bool phy_mode_change, loop_reset;
498 if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
499 phy_data->phy_mode = efx->phy_mode;
503 tenxpress_low_power(efx);
505 phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
506 phy_data->phy_mode != PHY_MODE_NORMAL);
507 loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) ||
508 LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
510 if (loop_reset || phy_mode_change) {
513 efx->phy_op->get_settings(efx, &ecmd);
515 if (loop_reset || phy_mode_change) {
516 tenxpress_special_reset(efx);
518 /* Reset XAUI if we were in 10G, and are staying
519 * in 10G. If we're moving into and out of 10G
520 * then xaui will be reset anyway */
522 falcon_reset_xaui(efx);
525 rc = efx->phy_op->set_settings(efx, &ecmd);
529 efx_mdio_transmit_disable(efx);
530 efx_mdio_phy_reconfigure(efx);
531 tenxpress_ext_loopback(efx);
533 phy_data->loopback_mode = efx->loopback_mode;
534 phy_data->phy_mode = efx->phy_mode;
536 if (efx->phy_type == PHY_TYPE_SFX7101) {
537 efx->link_speed = 10000;
539 efx->link_up = sfx7101_link_ok(efx);
541 efx->phy_op->get_settings(efx, &ecmd);
542 efx->link_speed = ecmd.speed;
543 efx->link_fd = ecmd.duplex == DUPLEX_FULL;
544 efx->link_up = sft9001_link_ok(efx, &ecmd);
546 efx->link_fc = efx_mdio_get_pause(efx);
549 /* Poll PHY for interrupt */
550 static void tenxpress_phy_poll(struct efx_nic *efx)
552 struct tenxpress_phy_data *phy_data = efx->phy_data;
555 if (efx->phy_type == PHY_TYPE_SFX7101) {
556 bool link_ok = sfx7101_link_ok(efx);
557 if (link_ok != efx->link_up) {
560 unsigned int link_fc = efx_mdio_get_pause(efx);
561 if (link_fc != efx->link_fc)
564 sfx7101_check_bad_lp(efx, link_ok);
565 } else if (efx->loopback_mode) {
566 bool link_ok = sft9001_link_ok(efx, NULL);
567 if (link_ok != efx->link_up)
570 int status = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
572 if (status & MDIO_PMA_LASI_LSALARM)
577 falcon_sim_phy_event(efx);
579 if (phy_data->phy_mode != PHY_MODE_NORMAL)
583 static void tenxpress_phy_fini(struct efx_nic *efx)
587 if (efx->phy_type == PHY_TYPE_SFT9001B)
588 device_remove_file(&efx->pci_dev->dev,
589 &dev_attr_phy_short_reach);
591 if (efx->phy_type == PHY_TYPE_SFX7101) {
592 /* Power down the LNPGA */
593 reg = (1 << PMA_PMD_LNPGA_POWERDOWN_LBN);
594 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg);
596 /* Waiting here ensures that the board fini, which can turn
597 * off the power to the PHY, won't get run until the LNPGA
598 * powerdown has been given long enough to complete. */
599 schedule_timeout_uninterruptible(LNPGA_PDOWN_WAIT); /* 200 ms */
602 kfree(efx->phy_data);
603 efx->phy_data = NULL;
607 /* Set the RX and TX LEDs and Link LED flashing. The other LEDs
608 * (which probably aren't wired anyway) are left in AUTO mode */
609 void tenxpress_phy_blink(struct efx_nic *efx, bool blink)
614 reg = (PMA_PMD_LED_FLASH << PMA_PMD_LED_TX_LBN) |
615 (PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN) |
616 (PMA_PMD_LED_FLASH << PMA_PMD_LED_LINK_LBN);
618 reg = PMA_PMD_LED_DEFAULT;
620 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG, reg);
623 static const char *const sfx7101_test_names[] = {
628 sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags)
632 if (!(flags & ETH_TEST_FL_OFFLINE))
635 /* BIST is automatically run after a special software reset */
636 rc = tenxpress_special_reset(efx);
637 results[0] = rc ? -1 : 1;
641 static const char *const sft9001_test_names[] = {
643 "cable.pairA.status",
644 "cable.pairB.status",
645 "cable.pairC.status",
646 "cable.pairD.status",
647 "cable.pairA.length",
648 "cable.pairB.length",
649 "cable.pairC.length",
650 "cable.pairD.length",
653 static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
655 struct ethtool_cmd ecmd;
656 int rc = 0, rc2, i, ctrl_reg, res_reg;
658 if (flags & ETH_TEST_FL_OFFLINE)
659 efx->phy_op->get_settings(efx, &ecmd);
661 /* Initialise cable diagnostic results to unknown failure */
662 for (i = 1; i < 9; ++i)
665 /* Run cable diagnostics; wait up to 5 seconds for them to complete.
666 * A cable fault is not a self-test failure, but a timeout is. */
667 ctrl_reg = ((1 << CDIAG_CTRL_IMMED_LBN) |
668 (CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN));
669 if (flags & ETH_TEST_FL_OFFLINE) {
670 /* Break the link in order to run full diagnostics. We
671 * must reset the PHY to resume normal service. */
672 ctrl_reg |= (1 << CDIAG_CTRL_BRK_LINK_LBN);
674 efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_CDIAG_CTRL_REG,
677 while (efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_CDIAG_CTRL_REG) &
678 (1 << CDIAG_CTRL_IN_PROG_LBN)) {
685 res_reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_CDIAG_RES_REG);
686 for (i = 0; i < 4; i++) {
688 (res_reg >> (CDIAG_RES_A_LBN - i * CDIAG_RES_WIDTH))
689 & ((1 << CDIAG_RES_WIDTH) - 1);
690 int len_reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
691 PMA_PMD_CDIAG_LEN_REG + i);
692 if (pair_res == CDIAG_RES_OK)
694 else if (pair_res == CDIAG_RES_INVALID)
697 results[1 + i] = -pair_res;
698 if (pair_res != CDIAG_RES_INVALID &&
699 pair_res != CDIAG_RES_OPEN &&
701 results[5 + i] = len_reg;
705 if (flags & ETH_TEST_FL_OFFLINE) {
706 /* Reset, running the BIST and then resuming normal service. */
707 rc2 = tenxpress_special_reset(efx);
708 results[0] = rc2 ? -1 : 1;
712 rc2 = efx->phy_op->set_settings(efx, &ecmd);
721 tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
723 u32 adv = 0, lpa = 0;
726 if (efx->phy_type != PHY_TYPE_SFX7101) {
727 reg = efx_mdio_read(efx, MDIO_MMD_C22EXT, C22EXT_MSTSLV_CTRL);
728 if (reg & (1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN))
729 adv |= ADVERTISED_1000baseT_Full;
730 reg = efx_mdio_read(efx, MDIO_MMD_C22EXT, C22EXT_MSTSLV_STATUS);
731 if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN))
732 lpa |= ADVERTISED_1000baseT_Half;
733 if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN))
734 lpa |= ADVERTISED_1000baseT_Full;
736 reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL);
737 if (reg & MDIO_AN_10GBT_CTRL_ADV10G)
738 adv |= ADVERTISED_10000baseT_Full;
739 reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
740 if (reg & MDIO_AN_10GBT_STAT_LP10G)
741 lpa |= ADVERTISED_10000baseT_Full;
743 mdio45_ethtool_gset_npage(&efx->mdio, ecmd, adv, lpa);
745 if (efx->phy_type != PHY_TYPE_SFX7101) {
746 ecmd->supported |= (SUPPORTED_100baseT_Full |
747 SUPPORTED_1000baseT_Full);
748 if (ecmd->speed != SPEED_10000) {
750 (efx_mdio_read(efx, MDIO_MMD_PMAPMD,
751 PMA_PMD_XSTATUS_REG) &
752 (1 << PMA_PMD_XSTAT_MDIX_LBN))
753 ? ETH_TP_MDI_X : ETH_TP_MDI;
757 /* In loopback, the PHY automatically brings up the correct interface,
758 * but doesn't advertise the correct speed. So override it */
759 if (efx->loopback_mode == LOOPBACK_GPHY)
760 ecmd->speed = SPEED_1000;
761 else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks)
762 ecmd->speed = SPEED_10000;
765 static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
770 return efx_mdio_set_settings(efx, ecmd);
773 static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising)
775 efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
776 MDIO_AN_10GBT_CTRL_ADV10G,
777 advertising & ADVERTISED_10000baseT_Full);
780 static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising)
782 efx_mdio_set_flag(efx, MDIO_MMD_C22EXT, C22EXT_MSTSLV_CTRL,
783 1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN,
784 advertising & ADVERTISED_1000baseT_Full);
785 efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
786 MDIO_AN_10GBT_CTRL_ADV10G,
787 advertising & ADVERTISED_10000baseT_Full);
790 struct efx_phy_operations falcon_sfx7101_phy_ops = {
792 .init = tenxpress_phy_init,
793 .reconfigure = tenxpress_phy_reconfigure,
794 .poll = tenxpress_phy_poll,
795 .fini = tenxpress_phy_fini,
796 .clear_interrupt = efx_port_dummy_op_void,
797 .get_settings = tenxpress_get_settings,
798 .set_settings = tenxpress_set_settings,
799 .set_npage_adv = sfx7101_set_npage_adv,
800 .num_tests = ARRAY_SIZE(sfx7101_test_names),
801 .test_names = sfx7101_test_names,
802 .run_tests = sfx7101_run_tests,
803 .mmds = TENXPRESS_REQUIRED_DEVS,
804 .loopbacks = SFX7101_LOOPBACKS,
807 struct efx_phy_operations falcon_sft9001_phy_ops = {
808 .macs = EFX_GMAC | EFX_XMAC,
809 .init = tenxpress_phy_init,
810 .reconfigure = tenxpress_phy_reconfigure,
811 .poll = tenxpress_phy_poll,
812 .fini = tenxpress_phy_fini,
813 .clear_interrupt = efx_port_dummy_op_void,
814 .get_settings = tenxpress_get_settings,
815 .set_settings = tenxpress_set_settings,
816 .set_npage_adv = sft9001_set_npage_adv,
817 .num_tests = ARRAY_SIZE(sft9001_test_names),
818 .test_names = sft9001_test_names,
819 .run_tests = sft9001_run_tests,
820 .mmds = TENXPRESS_REQUIRED_DEVS,
821 .loopbacks = SFT9001_LOOPBACKS,