diff options
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
-rw-r--r-- | drivers/net/sfc/tenxpress.c | 528 |
1 files changed, 431 insertions, 97 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index 7256ea4abf9c..b3ca2dc8040d 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c | |||
@@ -15,38 +15,71 @@ | |||
15 | #include "phy.h" | 15 | #include "phy.h" |
16 | #include "falcon_hwdefs.h" | 16 | #include "falcon_hwdefs.h" |
17 | #include "boards.h" | 17 | #include "boards.h" |
18 | #include "workarounds.h" | ||
19 | #include "selftest.h" | ||
18 | 20 | ||
19 | /* We expect these MMDs to be in the package */ | 21 | /* We expect these MMDs to be in the package. SFT9001 also has a |
22 | * clause 22 extension MMD, but since it doesn't have all the generic | ||
23 | * MMD registers it is pointless to include it here. | ||
24 | */ | ||
20 | #define TENXPRESS_REQUIRED_DEVS (MDIO_MMDREG_DEVS_PMAPMD | \ | 25 | #define TENXPRESS_REQUIRED_DEVS (MDIO_MMDREG_DEVS_PMAPMD | \ |
21 | MDIO_MMDREG_DEVS_PCS | \ | 26 | MDIO_MMDREG_DEVS_PCS | \ |
22 | MDIO_MMDREG_DEVS_PHYXS | \ | 27 | MDIO_MMDREG_DEVS_PHYXS | \ |
23 | MDIO_MMDREG_DEVS_AN) | 28 | MDIO_MMDREG_DEVS_AN) |
24 | 29 | ||
25 | #define TENXPRESS_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \ | 30 | #define SFX7101_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \ |
26 | (1 << LOOPBACK_PCS) | \ | 31 | (1 << LOOPBACK_PCS) | \ |
27 | (1 << LOOPBACK_PMAPMD) | \ | 32 | (1 << LOOPBACK_PMAPMD) | \ |
28 | (1 << LOOPBACK_NETWORK)) | 33 | (1 << LOOPBACK_NETWORK)) |
34 | |||
35 | #define SFT9001_LOOPBACKS ((1 << LOOPBACK_GPHY) | \ | ||
36 | (1 << LOOPBACK_PHYXS) | \ | ||
37 | (1 << LOOPBACK_PCS) | \ | ||
38 | (1 << LOOPBACK_PMAPMD) | \ | ||
39 | (1 << LOOPBACK_NETWORK)) | ||
29 | 40 | ||
30 | /* We complain if we fail to see the link partner as 10G capable this many | 41 | /* We complain if we fail to see the link partner as 10G capable this many |
31 | * times in a row (must be > 1 as sampling the autoneg. registers is racy) | 42 | * times in a row (must be > 1 as sampling the autoneg. registers is racy) |
32 | */ | 43 | */ |
33 | #define MAX_BAD_LP_TRIES (5) | 44 | #define MAX_BAD_LP_TRIES (5) |
34 | 45 | ||
46 | /* LASI Control */ | ||
47 | #define PMA_PMD_LASI_CTRL 36866 | ||
48 | #define PMA_PMD_LASI_STATUS 36869 | ||
49 | #define PMA_PMD_LS_ALARM_LBN 0 | ||
50 | #define PMA_PMD_LS_ALARM_WIDTH 1 | ||
51 | #define PMA_PMD_TX_ALARM_LBN 1 | ||
52 | #define PMA_PMD_TX_ALARM_WIDTH 1 | ||
53 | #define PMA_PMD_RX_ALARM_LBN 2 | ||
54 | #define PMA_PMD_RX_ALARM_WIDTH 1 | ||
55 | #define PMA_PMD_AN_ALARM_LBN 3 | ||
56 | #define PMA_PMD_AN_ALARM_WIDTH 1 | ||
57 | |||
35 | /* Extended control register */ | 58 | /* Extended control register */ |
36 | #define PMA_PMD_XCONTROL_REG 0xc000 | 59 | #define PMA_PMD_XCONTROL_REG 49152 |
37 | #define PMA_PMD_LNPGA_POWERDOWN_LBN 8 | 60 | #define PMA_PMD_EXT_GMII_EN_LBN 1 |
38 | #define PMA_PMD_LNPGA_POWERDOWN_WIDTH 1 | 61 | #define PMA_PMD_EXT_GMII_EN_WIDTH 1 |
62 | #define PMA_PMD_EXT_CLK_OUT_LBN 2 | ||
63 | #define PMA_PMD_EXT_CLK_OUT_WIDTH 1 | ||
64 | #define PMA_PMD_LNPGA_POWERDOWN_LBN 8 /* SFX7101 only */ | ||
65 | #define PMA_PMD_LNPGA_POWERDOWN_WIDTH 1 | ||
66 | #define PMA_PMD_EXT_CLK312_LBN 8 /* SFT9001 only */ | ||
67 | #define PMA_PMD_EXT_CLK312_WIDTH 1 | ||
68 | #define PMA_PMD_EXT_LPOWER_LBN 12 | ||
69 | #define PMA_PMD_EXT_LPOWER_WIDTH 1 | ||
70 | #define PMA_PMD_EXT_SSR_LBN 15 | ||
71 | #define PMA_PMD_EXT_SSR_WIDTH 1 | ||
39 | 72 | ||
40 | /* extended status register */ | 73 | /* extended status register */ |
41 | #define PMA_PMD_XSTATUS_REG 0xc001 | 74 | #define PMA_PMD_XSTATUS_REG 49153 |
42 | #define PMA_PMD_XSTAT_FLP_LBN (12) | 75 | #define PMA_PMD_XSTAT_FLP_LBN (12) |
43 | 76 | ||
44 | /* LED control register */ | 77 | /* LED control register */ |
45 | #define PMA_PMD_LED_CTRL_REG (0xc007) | 78 | #define PMA_PMD_LED_CTRL_REG 49159 |
46 | #define PMA_PMA_LED_ACTIVITY_LBN (3) | 79 | #define PMA_PMA_LED_ACTIVITY_LBN (3) |
47 | 80 | ||
48 | /* LED function override register */ | 81 | /* LED function override register */ |
49 | #define PMA_PMD_LED_OVERR_REG (0xc009) | 82 | #define PMA_PMD_LED_OVERR_REG 49161 |
50 | /* Bit positions for different LEDs (there are more but not wired on SFE4001)*/ | 83 | /* Bit positions for different LEDs (there are more but not wired on SFE4001)*/ |
51 | #define PMA_PMD_LED_LINK_LBN (0) | 84 | #define PMA_PMD_LED_LINK_LBN (0) |
52 | #define PMA_PMD_LED_SPEED_LBN (2) | 85 | #define PMA_PMD_LED_SPEED_LBN (2) |
@@ -63,36 +96,74 @@ | |||
63 | /* Green and Amber under hardware control, Red off */ | 96 | /* Green and Amber under hardware control, Red off */ |
64 | #define PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) | 97 | #define PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) |
65 | 98 | ||
66 | 99 | #define PMA_PMD_SPEED_ENABLE_REG 49192 | |
67 | /* Special Software reset register */ | 100 | #define PMA_PMD_100TX_ADV_LBN 1 |
68 | #define PMA_PMD_EXT_CTRL_REG 49152 | 101 | #define PMA_PMD_100TX_ADV_WIDTH 1 |
69 | #define PMA_PMD_EXT_SSR_LBN 15 | 102 | #define PMA_PMD_1000T_ADV_LBN 2 |
70 | 103 | #define PMA_PMD_1000T_ADV_WIDTH 1 | |
71 | /* Misc register defines */ | 104 | #define PMA_PMD_10000T_ADV_LBN 3 |
72 | #define PCS_CLOCK_CTRL_REG 0xd801 | 105 | #define PMA_PMD_10000T_ADV_WIDTH 1 |
106 | #define PMA_PMD_SPEED_LBN 4 | ||
107 | #define PMA_PMD_SPEED_WIDTH 4 | ||
108 | |||
109 | /* Serdes control registers - SFT9001 only */ | ||
110 | #define PMA_PMD_CSERDES_CTRL_REG 64258 | ||
111 | /* Set the 156.25 MHz output to 312.5 MHz to drive Falcon's XMAC */ | ||
112 | #define PMA_PMD_CSERDES_DEFAULT 0x000f | ||
113 | |||
114 | /* Misc register defines - SFX7101 only */ | ||
115 | #define PCS_CLOCK_CTRL_REG 55297 | ||
73 | #define PLL312_RST_N_LBN 2 | 116 | #define PLL312_RST_N_LBN 2 |
74 | 117 | ||
75 | #define PCS_SOFT_RST2_REG 0xd806 | 118 | #define PCS_SOFT_RST2_REG 55302 |
76 | #define SERDES_RST_N_LBN 13 | 119 | #define SERDES_RST_N_LBN 13 |
77 | #define XGXS_RST_N_LBN 12 | 120 | #define XGXS_RST_N_LBN 12 |
78 | 121 | ||
79 | #define PCS_TEST_SELECT_REG 0xd807 /* PRM 10.5.8 */ | 122 | #define PCS_TEST_SELECT_REG 55303 /* PRM 10.5.8 */ |
80 | #define CLK312_EN_LBN 3 | 123 | #define CLK312_EN_LBN 3 |
81 | 124 | ||
82 | /* PHYXS registers */ | 125 | /* PHYXS registers */ |
126 | #define PHYXS_XCONTROL_REG 49152 | ||
127 | #define PHYXS_RESET_LBN 15 | ||
128 | #define PHYXS_RESET_WIDTH 1 | ||
129 | |||
83 | #define PHYXS_TEST1 (49162) | 130 | #define PHYXS_TEST1 (49162) |
84 | #define LOOPBACK_NEAR_LBN (8) | 131 | #define LOOPBACK_NEAR_LBN (8) |
85 | #define LOOPBACK_NEAR_WIDTH (1) | 132 | #define LOOPBACK_NEAR_WIDTH (1) |
86 | 133 | ||
134 | #define PCS_10GBASET_STAT1 32 | ||
135 | #define PCS_10GBASET_BLKLK_LBN 0 | ||
136 | #define PCS_10GBASET_BLKLK_WIDTH 1 | ||
137 | |||
87 | /* Boot status register */ | 138 | /* Boot status register */ |
88 | #define PCS_BOOT_STATUS_REG (0xd000) | 139 | #define PCS_BOOT_STATUS_REG 53248 |
89 | #define PCS_BOOT_FATAL_ERR_LBN (0) | 140 | #define PCS_BOOT_FATAL_ERR_LBN (0) |
90 | #define PCS_BOOT_PROGRESS_LBN (1) | 141 | #define PCS_BOOT_PROGRESS_LBN (1) |
91 | #define PCS_BOOT_PROGRESS_WIDTH (2) | 142 | #define PCS_BOOT_PROGRESS_WIDTH (2) |
92 | #define PCS_BOOT_COMPLETE_LBN (3) | 143 | #define PCS_BOOT_COMPLETE_LBN (3) |
144 | |||
93 | #define PCS_BOOT_MAX_DELAY (100) | 145 | #define PCS_BOOT_MAX_DELAY (100) |
94 | #define PCS_BOOT_POLL_DELAY (10) | 146 | #define PCS_BOOT_POLL_DELAY (10) |
95 | 147 | ||
148 | /* 100M/1G PHY registers */ | ||
149 | #define GPHY_XCONTROL_REG 49152 | ||
150 | #define GPHY_ISOLATE_LBN 10 | ||
151 | #define GPHY_ISOLATE_WIDTH 1 | ||
152 | #define GPHY_DUPLEX_LBN 8 | ||
153 | #define GPHY_DUPLEX_WIDTH 1 | ||
154 | #define GPHY_LOOPBACK_NEAR_LBN 14 | ||
155 | #define GPHY_LOOPBACK_NEAR_WIDTH 1 | ||
156 | |||
157 | #define C22EXT_STATUS_REG 49153 | ||
158 | #define C22EXT_STATUS_LINK_LBN 2 | ||
159 | #define C22EXT_STATUS_LINK_WIDTH 1 | ||
160 | |||
161 | #define C22EXT_MSTSLV_REG 49162 | ||
162 | #define C22EXT_MSTSLV_1000_HD_LBN 10 | ||
163 | #define C22EXT_MSTSLV_1000_HD_WIDTH 1 | ||
164 | #define C22EXT_MSTSLV_1000_FD_LBN 11 | ||
165 | #define C22EXT_MSTSLV_1000_FD_WIDTH 1 | ||
166 | |||
96 | /* Time to wait between powering down the LNPGA and turning off the power | 167 | /* Time to wait between powering down the LNPGA and turning off the power |
97 | * rails */ | 168 | * rails */ |
98 | #define LNPGA_PDOWN_WAIT (HZ / 5) | 169 | #define LNPGA_PDOWN_WAIT (HZ / 5) |
@@ -116,6 +187,38 @@ void tenxpress_crc_err(struct efx_nic *efx) | |||
116 | atomic_inc(&phy_data->bad_crc_count); | 187 | atomic_inc(&phy_data->bad_crc_count); |
117 | } | 188 | } |
118 | 189 | ||
190 | static ssize_t show_phy_short_reach(struct device *dev, | ||
191 | struct device_attribute *attr, char *buf) | ||
192 | { | ||
193 | struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); | ||
194 | int reg; | ||
195 | |||
196 | reg = mdio_clause45_read(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | ||
197 | MDIO_PMAPMD_10GBT_TXPWR); | ||
198 | return sprintf(buf, "%d\n", | ||
199 | !!(reg & (1 << MDIO_PMAPMD_10GBT_TXPWR_SHORT_LBN))); | ||
200 | } | ||
201 | |||
202 | static ssize_t set_phy_short_reach(struct device *dev, | ||
203 | struct device_attribute *attr, | ||
204 | const char *buf, size_t count) | ||
205 | { | ||
206 | struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); | ||
207 | |||
208 | rtnl_lock(); | ||
209 | mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | ||
210 | MDIO_PMAPMD_10GBT_TXPWR, | ||
211 | MDIO_PMAPMD_10GBT_TXPWR_SHORT_LBN, | ||
212 | count != 0 && *buf != '0'); | ||
213 | efx_reconfigure_port(efx); | ||
214 | rtnl_unlock(); | ||
215 | |||
216 | return count; | ||
217 | } | ||
218 | |||
219 | static DEVICE_ATTR(phy_short_reach, 0644, show_phy_short_reach, | ||
220 | set_phy_short_reach); | ||
221 | |||
119 | /* Check that the C166 has booted successfully */ | 222 | /* Check that the C166 has booted successfully */ |
120 | static int tenxpress_phy_check(struct efx_nic *efx) | 223 | static int tenxpress_phy_check(struct efx_nic *efx) |
121 | { | 224 | { |
@@ -147,27 +250,42 @@ static int tenxpress_phy_check(struct efx_nic *efx) | |||
147 | 250 | ||
148 | static int tenxpress_init(struct efx_nic *efx) | 251 | static int tenxpress_init(struct efx_nic *efx) |
149 | { | 252 | { |
150 | int rc, reg; | 253 | int phy_id = efx->mii.phy_id; |
254 | int reg; | ||
255 | int rc; | ||
151 | 256 | ||
152 | /* Turn on the clock */ | 257 | if (efx->phy_type == PHY_TYPE_SFX7101) { |
153 | reg = (1 << CLK312_EN_LBN); | 258 | /* Enable 312.5 MHz clock */ |
154 | mdio_clause45_write(efx, efx->mii.phy_id, | 259 | mdio_clause45_write(efx, phy_id, |
155 | MDIO_MMD_PCS, PCS_TEST_SELECT_REG, reg); | 260 | MDIO_MMD_PCS, PCS_TEST_SELECT_REG, |
261 | 1 << CLK312_EN_LBN); | ||
262 | } else { | ||
263 | /* Enable 312.5 MHz clock and GMII */ | ||
264 | reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, | ||
265 | PMA_PMD_XCONTROL_REG); | ||
266 | reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) | | ||
267 | (1 << PMA_PMD_EXT_CLK_OUT_LBN) | | ||
268 | (1 << PMA_PMD_EXT_CLK312_LBN)); | ||
269 | mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, | ||
270 | PMA_PMD_XCONTROL_REG, reg); | ||
271 | mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, | ||
272 | GPHY_XCONTROL_REG, GPHY_ISOLATE_LBN, | ||
273 | false); | ||
274 | } | ||
156 | 275 | ||
157 | rc = tenxpress_phy_check(efx); | 276 | rc = tenxpress_phy_check(efx); |
158 | if (rc < 0) | 277 | if (rc < 0) |
159 | return rc; | 278 | return rc; |
160 | 279 | ||
161 | /* Set the LEDs up as: Green = Link, Amber = Link/Act, Red = Off */ | 280 | /* Set the LEDs up as: Green = Link, Amber = Link/Act, Red = Off */ |
162 | reg = mdio_clause45_read(efx, efx->mii.phy_id, | 281 | if (efx->phy_type == PHY_TYPE_SFX7101) { |
163 | MDIO_MMD_PMAPMD, PMA_PMD_LED_CTRL_REG); | 282 | mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PMAPMD, |
164 | reg |= (1 << PMA_PMA_LED_ACTIVITY_LBN); | 283 | PMA_PMD_LED_CTRL_REG, |
165 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | 284 | PMA_PMA_LED_ACTIVITY_LBN, |
166 | PMA_PMD_LED_CTRL_REG, reg); | 285 | true); |
167 | 286 | mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, | |
168 | reg = PMA_PMD_LED_DEFAULT; | 287 | PMA_PMD_LED_OVERR_REG, PMA_PMD_LED_DEFAULT); |
169 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | 288 | } |
170 | PMA_PMD_LED_OVERR_REG, reg); | ||
171 | 289 | ||
172 | return rc; | 290 | return rc; |
173 | } | 291 | } |
@@ -183,22 +301,43 @@ static int tenxpress_phy_init(struct efx_nic *efx) | |||
183 | efx->phy_data = phy_data; | 301 | efx->phy_data = phy_data; |
184 | phy_data->phy_mode = efx->phy_mode; | 302 | phy_data->phy_mode = efx->phy_mode; |
185 | 303 | ||
186 | rc = mdio_clause45_wait_reset_mmds(efx, | 304 | if (!(efx->phy_mode & PHY_MODE_SPECIAL)) { |
187 | TENXPRESS_REQUIRED_DEVS); | 305 | if (efx->phy_type == PHY_TYPE_SFT9001A) { |
188 | if (rc < 0) | 306 | int reg; |
189 | goto fail; | 307 | reg = mdio_clause45_read(efx, efx->mii.phy_id, |
308 | MDIO_MMD_PMAPMD, | ||
309 | PMA_PMD_XCONTROL_REG); | ||
310 | reg |= (1 << PMA_PMD_EXT_SSR_LBN); | ||
311 | mdio_clause45_write(efx, efx->mii.phy_id, | ||
312 | MDIO_MMD_PMAPMD, | ||
313 | PMA_PMD_XCONTROL_REG, reg); | ||
314 | mdelay(200); | ||
315 | } | ||
190 | 316 | ||
191 | rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0); | 317 | rc = mdio_clause45_wait_reset_mmds(efx, |
192 | if (rc < 0) | 318 | TENXPRESS_REQUIRED_DEVS); |
193 | goto fail; | 319 | if (rc < 0) |
320 | goto fail; | ||
321 | |||
322 | rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0); | ||
323 | if (rc < 0) | ||
324 | goto fail; | ||
325 | } | ||
194 | 326 | ||
195 | rc = tenxpress_init(efx); | 327 | rc = tenxpress_init(efx); |
196 | if (rc < 0) | 328 | if (rc < 0) |
197 | goto fail; | 329 | goto fail; |
198 | 330 | ||
331 | if (efx->phy_type == PHY_TYPE_SFT9001B) { | ||
332 | rc = device_create_file(&efx->pci_dev->dev, | ||
333 | &dev_attr_phy_short_reach); | ||
334 | if (rc) | ||
335 | goto fail; | ||
336 | } | ||
337 | |||
199 | schedule_timeout_uninterruptible(HZ / 5); /* 200ms */ | 338 | schedule_timeout_uninterruptible(HZ / 5); /* 200ms */ |
200 | 339 | ||
201 | /* Let XGXS and SerDes out of reset and resets 10XPress */ | 340 | /* Let XGXS and SerDes out of reset */ |
202 | falcon_reset_xaui(efx); | 341 | falcon_reset_xaui(efx); |
203 | 342 | ||
204 | return 0; | 343 | return 0; |
@@ -209,21 +348,24 @@ static int tenxpress_phy_init(struct efx_nic *efx) | |||
209 | return rc; | 348 | return rc; |
210 | } | 349 | } |
211 | 350 | ||
351 | /* Perform a "special software reset" on the PHY. The caller is | ||
352 | * responsible for saving and restoring the PHY hardware registers | ||
353 | * properly, and masking/unmasking LASI */ | ||
212 | static int tenxpress_special_reset(struct efx_nic *efx) | 354 | static int tenxpress_special_reset(struct efx_nic *efx) |
213 | { | 355 | { |
214 | int rc, reg; | 356 | int rc, reg; |
215 | 357 | ||
216 | /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so | 358 | /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so |
217 | * a special software reset can glitch the XGMAC sufficiently for stats | 359 | * a special software reset can glitch the XGMAC sufficiently for stats |
218 | * requests to fail. Since we don't ofen special_reset, just lock. */ | 360 | * requests to fail. Since we don't often special_reset, just lock. */ |
219 | spin_lock(&efx->stats_lock); | 361 | spin_lock(&efx->stats_lock); |
220 | 362 | ||
221 | /* Initiate reset */ | 363 | /* Initiate reset */ |
222 | reg = mdio_clause45_read(efx, efx->mii.phy_id, | 364 | reg = mdio_clause45_read(efx, efx->mii.phy_id, |
223 | MDIO_MMD_PMAPMD, PMA_PMD_EXT_CTRL_REG); | 365 | MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG); |
224 | reg |= (1 << PMA_PMD_EXT_SSR_LBN); | 366 | reg |= (1 << PMA_PMD_EXT_SSR_LBN); |
225 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | 367 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, |
226 | PMA_PMD_EXT_CTRL_REG, reg); | 368 | PMA_PMD_XCONTROL_REG, reg); |
227 | 369 | ||
228 | mdelay(200); | 370 | mdelay(200); |
229 | 371 | ||
@@ -238,12 +380,14 @@ static int tenxpress_special_reset(struct efx_nic *efx) | |||
238 | if (rc < 0) | 380 | if (rc < 0) |
239 | goto unlock; | 381 | goto unlock; |
240 | 382 | ||
383 | /* Wait for the XGXS state machine to churn */ | ||
384 | mdelay(10); | ||
241 | unlock: | 385 | unlock: |
242 | spin_unlock(&efx->stats_lock); | 386 | spin_unlock(&efx->stats_lock); |
243 | return rc; | 387 | return rc; |
244 | } | 388 | } |
245 | 389 | ||
246 | static void tenxpress_check_bad_lp(struct efx_nic *efx, bool link_ok) | 390 | static void sfx7101_check_bad_lp(struct efx_nic *efx, bool link_ok) |
247 | { | 391 | { |
248 | struct tenxpress_phy_data *pd = efx->phy_data; | 392 | struct tenxpress_phy_data *pd = efx->phy_data; |
249 | int phy_id = efx->mii.phy_id; | 393 | int phy_id = efx->mii.phy_id; |
@@ -288,63 +432,142 @@ static void tenxpress_check_bad_lp(struct efx_nic *efx, bool link_ok) | |||
288 | } | 432 | } |
289 | } | 433 | } |
290 | 434 | ||
291 | static bool tenxpress_link_ok(struct efx_nic *efx) | 435 | static bool sfx7101_link_ok(struct efx_nic *efx) |
292 | { | 436 | { |
293 | if (efx->loopback_mode == LOOPBACK_NONE) | 437 | return mdio_clause45_links_ok(efx, |
294 | return mdio_clause45_links_ok(efx, MDIO_MMDREG_DEVS_AN); | 438 | MDIO_MMDREG_DEVS_PMAPMD | |
295 | else | 439 | MDIO_MMDREG_DEVS_PCS | |
440 | MDIO_MMDREG_DEVS_PHYXS); | ||
441 | } | ||
442 | |||
443 | static bool sft9001_link_ok(struct efx_nic *efx, struct ethtool_cmd *ecmd) | ||
444 | { | ||
445 | int phy_id = efx->mii.phy_id; | ||
446 | u32 reg; | ||
447 | |||
448 | if (efx->loopback_mode == LOOPBACK_GPHY) | ||
449 | return true; | ||
450 | else if (efx_phy_mode_disabled(efx->phy_mode)) | ||
451 | return false; | ||
452 | else if (efx->loopback_mode) | ||
296 | return mdio_clause45_links_ok(efx, | 453 | return mdio_clause45_links_ok(efx, |
297 | MDIO_MMDREG_DEVS_PMAPMD | | 454 | MDIO_MMDREG_DEVS_PMAPMD | |
298 | MDIO_MMDREG_DEVS_PCS | | 455 | MDIO_MMDREG_DEVS_PCS | |
299 | MDIO_MMDREG_DEVS_PHYXS); | 456 | MDIO_MMDREG_DEVS_PHYXS); |
457 | |||
458 | /* We must use the same definition of link state as LASI, | ||
459 | * otherwise we can miss a link state transition | ||
460 | */ | ||
461 | if (ecmd->speed == 10000) { | ||
462 | reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PCS, | ||
463 | PCS_10GBASET_STAT1); | ||
464 | return reg & (1 << PCS_10GBASET_BLKLK_LBN); | ||
465 | } else { | ||
466 | reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, | ||
467 | C22EXT_STATUS_REG); | ||
468 | return reg & (1 << C22EXT_STATUS_LINK_LBN); | ||
469 | } | ||
300 | } | 470 | } |
301 | 471 | ||
302 | static void tenxpress_phyxs_loopback(struct efx_nic *efx) | 472 | static void tenxpress_ext_loopback(struct efx_nic *efx) |
303 | { | 473 | { |
304 | int phy_id = efx->mii.phy_id; | 474 | int phy_id = efx->mii.phy_id; |
305 | int ctrl1, ctrl2; | ||
306 | 475 | ||
307 | ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS, | 476 | mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PHYXS, |
308 | PHYXS_TEST1); | 477 | PHYXS_TEST1, LOOPBACK_NEAR_LBN, |
309 | if (efx->loopback_mode == LOOPBACK_PHYXS) | 478 | efx->loopback_mode == LOOPBACK_PHYXS); |
310 | ctrl2 |= (1 << LOOPBACK_NEAR_LBN); | 479 | if (efx->phy_type != PHY_TYPE_SFX7101) |
480 | mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, | ||
481 | GPHY_XCONTROL_REG, | ||
482 | GPHY_LOOPBACK_NEAR_LBN, | ||
483 | efx->loopback_mode == LOOPBACK_GPHY); | ||
484 | } | ||
485 | |||
486 | static void tenxpress_low_power(struct efx_nic *efx) | ||
487 | { | ||
488 | int phy_id = efx->mii.phy_id; | ||
489 | |||
490 | if (efx->phy_type == PHY_TYPE_SFX7101) | ||
491 | mdio_clause45_set_mmds_lpower( | ||
492 | efx, !!(efx->phy_mode & PHY_MODE_LOW_POWER), | ||
493 | TENXPRESS_REQUIRED_DEVS); | ||
311 | else | 494 | else |
312 | ctrl2 &= ~(1 << LOOPBACK_NEAR_LBN); | 495 | mdio_clause45_set_flag( |
313 | if (ctrl1 != ctrl2) | 496 | efx, phy_id, MDIO_MMD_PMAPMD, |
314 | mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS, | 497 | PMA_PMD_XCONTROL_REG, PMA_PMD_EXT_LPOWER_LBN, |
315 | PHYXS_TEST1, ctrl2); | 498 | !!(efx->phy_mode & PHY_MODE_LOW_POWER)); |
316 | } | 499 | } |
317 | 500 | ||
318 | static void tenxpress_phy_reconfigure(struct efx_nic *efx) | 501 | static void tenxpress_phy_reconfigure(struct efx_nic *efx) |
319 | { | 502 | { |
320 | struct tenxpress_phy_data *phy_data = efx->phy_data; | 503 | struct tenxpress_phy_data *phy_data = efx->phy_data; |
321 | bool loop_change = LOOPBACK_OUT_OF(phy_data, efx, | 504 | struct ethtool_cmd ecmd; |
322 | TENXPRESS_LOOPBACKS); | 505 | bool phy_mode_change, loop_reset, loop_toggle, loopback; |
323 | 506 | ||
324 | if (efx->phy_mode & PHY_MODE_SPECIAL) { | 507 | if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) { |
325 | phy_data->phy_mode = efx->phy_mode; | 508 | phy_data->phy_mode = efx->phy_mode; |
326 | return; | 509 | return; |
327 | } | 510 | } |
328 | 511 | ||
329 | /* When coming out of transmit disable, coming out of low power | 512 | tenxpress_low_power(efx); |
330 | * mode, or moving out of any PHY internal loopback mode, | 513 | |
331 | * perform a special software reset */ | 514 | phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL && |
332 | if ((efx->phy_mode == PHY_MODE_NORMAL && | 515 | phy_data->phy_mode != PHY_MODE_NORMAL); |
333 | phy_data->phy_mode != PHY_MODE_NORMAL) || | 516 | loopback = LOOPBACK_MASK(efx) & efx->phy_op->loopbacks; |
334 | loop_change) { | 517 | loop_toggle = LOOPBACK_CHANGED(phy_data, efx, efx->phy_op->loopbacks); |
335 | tenxpress_special_reset(efx); | 518 | loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) || |
336 | falcon_reset_xaui(efx); | 519 | LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY)); |
520 | |||
521 | if (loop_reset || loop_toggle || loopback || phy_mode_change) { | ||
522 | int rc; | ||
523 | |||
524 | efx->phy_op->get_settings(efx, &ecmd); | ||
525 | |||
526 | if (loop_reset || phy_mode_change) { | ||
527 | tenxpress_special_reset(efx); | ||
528 | |||
529 | /* Reset XAUI if we were in 10G, and are staying | ||
530 | * in 10G. If we're moving into and out of 10G | ||
531 | * then xaui will be reset anyway */ | ||
532 | if (EFX_IS10G(efx)) | ||
533 | falcon_reset_xaui(efx); | ||
534 | } | ||
535 | |||
536 | if (efx->phy_type != PHY_TYPE_SFX7101) { | ||
537 | /* Only change autoneg once, on coming out or | ||
538 | * going into loopback */ | ||
539 | if (loop_toggle) | ||
540 | ecmd.autoneg = !loopback; | ||
541 | if (loopback) { | ||
542 | ecmd.duplex = DUPLEX_FULL; | ||
543 | if (efx->loopback_mode == LOOPBACK_GPHY) | ||
544 | ecmd.speed = SPEED_1000; | ||
545 | else | ||
546 | ecmd.speed = SPEED_10000; | ||
547 | } | ||
548 | } | ||
549 | |||
550 | rc = efx->phy_op->set_settings(efx, &ecmd); | ||
551 | WARN_ON(rc); | ||
337 | } | 552 | } |
338 | 553 | ||
339 | mdio_clause45_transmit_disable(efx); | 554 | mdio_clause45_transmit_disable(efx); |
340 | mdio_clause45_phy_reconfigure(efx); | 555 | mdio_clause45_phy_reconfigure(efx); |
341 | tenxpress_phyxs_loopback(efx); | 556 | tenxpress_ext_loopback(efx); |
342 | 557 | ||
343 | phy_data->loopback_mode = efx->loopback_mode; | 558 | phy_data->loopback_mode = efx->loopback_mode; |
344 | phy_data->phy_mode = efx->phy_mode; | 559 | phy_data->phy_mode = efx->phy_mode; |
345 | efx->link_up = tenxpress_link_ok(efx); | 560 | |
346 | efx->link_speed = 10000; | 561 | if (efx->phy_type == PHY_TYPE_SFX7101) { |
347 | efx->link_fd = true; | 562 | efx->link_speed = 10000; |
563 | efx->link_fd = true; | ||
564 | efx->link_up = sfx7101_link_ok(efx); | ||
565 | } else { | ||
566 | efx->phy_op->get_settings(efx, &ecmd); | ||
567 | efx->link_speed = ecmd.speed; | ||
568 | efx->link_fd = ecmd.duplex == DUPLEX_FULL; | ||
569 | efx->link_up = sft9001_link_ok(efx, &ecmd); | ||
570 | } | ||
348 | efx->link_fc = mdio_clause45_get_pause(efx); | 571 | efx->link_fc = mdio_clause45_get_pause(efx); |
349 | } | 572 | } |
350 | 573 | ||
@@ -355,15 +578,23 @@ static void tenxpress_phy_poll(struct efx_nic *efx) | |||
355 | bool change = false, link_ok; | 578 | bool change = false, link_ok; |
356 | unsigned link_fc; | 579 | unsigned link_fc; |
357 | 580 | ||
358 | link_ok = tenxpress_link_ok(efx); | 581 | if (efx->phy_type == PHY_TYPE_SFX7101) { |
359 | if (link_ok != efx->link_up) { | 582 | link_ok = sfx7101_link_ok(efx); |
360 | change = true; | 583 | if (link_ok != efx->link_up) { |
584 | change = true; | ||
585 | } else { | ||
586 | link_fc = mdio_clause45_get_pause(efx); | ||
587 | if (link_fc != efx->link_fc) | ||
588 | change = true; | ||
589 | } | ||
590 | sfx7101_check_bad_lp(efx, link_ok); | ||
361 | } else { | 591 | } else { |
362 | link_fc = mdio_clause45_get_pause(efx); | 592 | u32 status = mdio_clause45_read(efx, efx->mii.phy_id, |
363 | if (link_fc != efx->link_fc) | 593 | MDIO_MMD_PMAPMD, |
594 | PMA_PMD_LASI_STATUS); | ||
595 | if (status & (1 << PMA_PMD_LS_ALARM_LBN)) | ||
364 | change = true; | 596 | change = true; |
365 | } | 597 | } |
366 | tenxpress_check_bad_lp(efx, link_ok); | ||
367 | 598 | ||
368 | if (change) | 599 | if (change) |
369 | falcon_sim_phy_event(efx); | 600 | falcon_sim_phy_event(efx); |
@@ -371,7 +602,8 @@ static void tenxpress_phy_poll(struct efx_nic *efx) | |||
371 | if (phy_data->phy_mode != PHY_MODE_NORMAL) | 602 | if (phy_data->phy_mode != PHY_MODE_NORMAL) |
372 | return; | 603 | return; |
373 | 604 | ||
374 | if (atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) { | 605 | if (EFX_WORKAROUND_10750(efx) && |
606 | atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) { | ||
375 | EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n"); | 607 | EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n"); |
376 | falcon_reset_xaui(efx); | 608 | falcon_reset_xaui(efx); |
377 | atomic_set(&phy_data->bad_crc_count, 0); | 609 | atomic_set(&phy_data->bad_crc_count, 0); |
@@ -382,15 +614,20 @@ static void tenxpress_phy_fini(struct efx_nic *efx) | |||
382 | { | 614 | { |
383 | int reg; | 615 | int reg; |
384 | 616 | ||
385 | /* Power down the LNPGA */ | 617 | if (efx->phy_type == PHY_TYPE_SFT9001B) { |
386 | reg = (1 << PMA_PMD_LNPGA_POWERDOWN_LBN); | 618 | device_remove_file(&efx->pci_dev->dev, |
387 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, | 619 | &dev_attr_phy_short_reach); |
388 | PMA_PMD_XCONTROL_REG, reg); | 620 | } else { |
389 | 621 | /* Power down the LNPGA */ | |
390 | /* Waiting here ensures that the board fini, which can turn off the | 622 | reg = (1 << PMA_PMD_LNPGA_POWERDOWN_LBN); |
391 | * power to the PHY, won't get run until the LNPGA powerdown has been | 623 | mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, |
392 | * given long enough to complete. */ | 624 | PMA_PMD_XCONTROL_REG, reg); |
393 | schedule_timeout_uninterruptible(LNPGA_PDOWN_WAIT); /* 200 ms */ | 625 | |
626 | /* Waiting here ensures that the board fini, which can turn | ||
627 | * off the power to the PHY, won't get run until the LNPGA | ||
628 | * powerdown has been given long enough to complete. */ | ||
629 | schedule_timeout_uninterruptible(LNPGA_PDOWN_WAIT); /* 200 ms */ | ||
630 | } | ||
394 | 631 | ||
395 | kfree(efx->phy_data); | 632 | kfree(efx->phy_data); |
396 | efx->phy_data = NULL; | 633 | efx->phy_data = NULL; |
@@ -426,14 +663,21 @@ static u32 tenxpress_get_xnp_lpa(struct efx_nic *efx) | |||
426 | u32 lpa = 0; | 663 | u32 lpa = 0; |
427 | int reg; | 664 | int reg; |
428 | 665 | ||
666 | if (efx->phy_type != PHY_TYPE_SFX7101) { | ||
667 | reg = mdio_clause45_read(efx, phy, MDIO_MMD_C22EXT, | ||
668 | C22EXT_MSTSLV_REG); | ||
669 | if (reg & (1 << C22EXT_MSTSLV_1000_HD_LBN)) | ||
670 | lpa |= ADVERTISED_1000baseT_Half; | ||
671 | if (reg & (1 << C22EXT_MSTSLV_1000_FD_LBN)) | ||
672 | lpa |= ADVERTISED_1000baseT_Full; | ||
673 | } | ||
429 | reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS); | 674 | reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS); |
430 | if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN)) | 675 | if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN)) |
431 | lpa |= ADVERTISED_10000baseT_Full; | 676 | lpa |= ADVERTISED_10000baseT_Full; |
432 | return lpa; | 677 | return lpa; |
433 | } | 678 | } |
434 | 679 | ||
435 | static void | 680 | static void sfx7101_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) |
436 | tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) | ||
437 | { | 681 | { |
438 | mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full, | 682 | mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full, |
439 | tenxpress_get_xnp_lpa(efx)); | 683 | tenxpress_get_xnp_lpa(efx)); |
@@ -441,7 +685,82 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) | |||
441 | ecmd->advertising |= ADVERTISED_10000baseT_Full; | 685 | ecmd->advertising |= ADVERTISED_10000baseT_Full; |
442 | } | 686 | } |
443 | 687 | ||
444 | struct efx_phy_operations falcon_tenxpress_phy_ops = { | 688 | static void sft9001_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) |
689 | { | ||
690 | int phy_id = efx->mii.phy_id; | ||
691 | u32 xnp_adv = 0; | ||
692 | int reg; | ||
693 | |||
694 | reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, | ||
695 | PMA_PMD_SPEED_ENABLE_REG); | ||
696 | if (EFX_WORKAROUND_13204(efx) && (reg & (1 << PMA_PMD_100TX_ADV_LBN))) | ||
697 | xnp_adv |= ADVERTISED_100baseT_Full; | ||
698 | if (reg & (1 << PMA_PMD_1000T_ADV_LBN)) | ||
699 | xnp_adv |= ADVERTISED_1000baseT_Full; | ||
700 | if (reg & (1 << PMA_PMD_10000T_ADV_LBN)) | ||
701 | xnp_adv |= ADVERTISED_10000baseT_Full; | ||
702 | |||
703 | mdio_clause45_get_settings_ext(efx, ecmd, xnp_adv, | ||
704 | tenxpress_get_xnp_lpa(efx)); | ||
705 | |||
706 | ecmd->supported |= (SUPPORTED_100baseT_Half | | ||
707 | SUPPORTED_100baseT_Full | | ||
708 | SUPPORTED_1000baseT_Full); | ||
709 | |||
710 | /* Use the vendor defined C22ext register for duplex settings */ | ||
711 | if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) { | ||
712 | reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, | ||
713 | GPHY_XCONTROL_REG); | ||
714 | ecmd->duplex = (reg & (1 << GPHY_DUPLEX_LBN) ? | ||
715 | DUPLEX_FULL : DUPLEX_HALF); | ||
716 | } | ||
717 | } | ||
718 | |||
719 | static int sft9001_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) | ||
720 | { | ||
721 | int phy_id = efx->mii.phy_id; | ||
722 | int rc; | ||
723 | |||
724 | rc = mdio_clause45_set_settings(efx, ecmd); | ||
725 | if (rc) | ||
726 | return rc; | ||
727 | |||
728 | if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) | ||
729 | mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, | ||
730 | GPHY_XCONTROL_REG, GPHY_DUPLEX_LBN, | ||
731 | ecmd->duplex == DUPLEX_FULL); | ||
732 | |||
733 | return rc; | ||
734 | } | ||
735 | |||
736 | static bool sft9001_set_xnp_advertise(struct efx_nic *efx, u32 advertising) | ||
737 | { | ||
738 | int phy = efx->mii.phy_id; | ||
739 | int reg = mdio_clause45_read(efx, phy, MDIO_MMD_PMAPMD, | ||
740 | PMA_PMD_SPEED_ENABLE_REG); | ||
741 | bool enabled; | ||
742 | |||
743 | reg &= ~((1 << 2) | (1 << 3)); | ||
744 | if (EFX_WORKAROUND_13204(efx) && | ||
745 | (advertising & ADVERTISED_100baseT_Full)) | ||
746 | reg |= 1 << PMA_PMD_100TX_ADV_LBN; | ||
747 | if (advertising & ADVERTISED_1000baseT_Full) | ||
748 | reg |= 1 << PMA_PMD_1000T_ADV_LBN; | ||
749 | if (advertising & ADVERTISED_10000baseT_Full) | ||
750 | reg |= 1 << PMA_PMD_10000T_ADV_LBN; | ||
751 | mdio_clause45_write(efx, phy, MDIO_MMD_PMAPMD, | ||
752 | PMA_PMD_SPEED_ENABLE_REG, reg); | ||
753 | |||
754 | enabled = (advertising & | ||
755 | (ADVERTISED_1000baseT_Half | | ||
756 | ADVERTISED_1000baseT_Full | | ||
757 | ADVERTISED_10000baseT_Full)); | ||
758 | if (EFX_WORKAROUND_13204(efx)) | ||
759 | enabled |= (advertising & ADVERTISED_100baseT_Full); | ||
760 | return enabled; | ||
761 | } | ||
762 | |||
763 | struct efx_phy_operations falcon_sfx7101_phy_ops = { | ||
445 | .macs = EFX_XMAC, | 764 | .macs = EFX_XMAC, |
446 | .init = tenxpress_phy_init, | 765 | .init = tenxpress_phy_init, |
447 | .reconfigure = tenxpress_phy_reconfigure, | 766 | .reconfigure = tenxpress_phy_reconfigure, |
@@ -449,8 +768,23 @@ struct efx_phy_operations falcon_tenxpress_phy_ops = { | |||
449 | .fini = tenxpress_phy_fini, | 768 | .fini = tenxpress_phy_fini, |
450 | .clear_interrupt = efx_port_dummy_op_void, | 769 | .clear_interrupt = efx_port_dummy_op_void, |
451 | .test = tenxpress_phy_test, | 770 | .test = tenxpress_phy_test, |
452 | .get_settings = tenxpress_get_settings, | 771 | .get_settings = sfx7101_get_settings, |
453 | .set_settings = mdio_clause45_set_settings, | 772 | .set_settings = mdio_clause45_set_settings, |
454 | .mmds = TENXPRESS_REQUIRED_DEVS, | 773 | .mmds = TENXPRESS_REQUIRED_DEVS, |
455 | .loopbacks = TENXPRESS_LOOPBACKS, | 774 | .loopbacks = SFX7101_LOOPBACKS, |
775 | }; | ||
776 | |||
777 | struct efx_phy_operations falcon_sft9001_phy_ops = { | ||
778 | .macs = EFX_GMAC | EFX_XMAC, | ||
779 | .init = tenxpress_phy_init, | ||
780 | .reconfigure = tenxpress_phy_reconfigure, | ||
781 | .poll = tenxpress_phy_poll, | ||
782 | .fini = tenxpress_phy_fini, | ||
783 | .clear_interrupt = efx_port_dummy_op_void, | ||
784 | .test = tenxpress_phy_test, | ||
785 | .get_settings = sft9001_get_settings, | ||
786 | .set_settings = sft9001_set_settings, | ||
787 | .set_xnp_advertise = sft9001_set_xnp_advertise, | ||
788 | .mmds = TENXPRESS_REQUIRED_DEVS, | ||
789 | .loopbacks = SFT9001_LOOPBACKS, | ||
456 | }; | 790 | }; |