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path: root/drivers/net/cxgb3/t3_hw.c
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Diffstat (limited to 'drivers/net/cxgb3/t3_hw.c')
-rw-r--r--drivers/net/cxgb3/t3_hw.c133
1 files changed, 67 insertions, 66 deletions
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index fa0a4b4fb5cb..f7ced324227d 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -194,21 +194,18 @@ int t3_mc7_bd_read(struct mc7 *mc7, unsigned int start, unsigned int n,
194static void mi1_init(struct adapter *adap, const struct adapter_info *ai) 194static void mi1_init(struct adapter *adap, const struct adapter_info *ai)
195{ 195{
196 u32 clkdiv = adap->params.vpd.cclk / (2 * adap->params.vpd.mdc) - 1; 196 u32 clkdiv = adap->params.vpd.cclk / (2 * adap->params.vpd.mdc) - 1;
197 u32 val = F_PREEN | V_MDIINV(ai->mdiinv) | V_MDIEN(ai->mdien) | 197 u32 val = F_PREEN | V_CLKDIV(clkdiv);
198 V_CLKDIV(clkdiv);
199 198
200 if (!(ai->caps & SUPPORTED_10000baseT_Full))
201 val |= V_ST(1);
202 t3_write_reg(adap, A_MI1_CFG, val); 199 t3_write_reg(adap, A_MI1_CFG, val);
203} 200}
204 201
205#define MDIO_ATTEMPTS 10 202#define MDIO_ATTEMPTS 20
206 203
207/* 204/*
208 * MI1 read/write operations for direct-addressed PHYs. 205 * MI1 read/write operations for clause 22 PHYs.
209 */ 206 */
210static int mi1_read(struct adapter *adapter, int phy_addr, int mmd_addr, 207static int t3_mi1_read(struct adapter *adapter, int phy_addr, int mmd_addr,
211 int reg_addr, unsigned int *valp) 208 int reg_addr, unsigned int *valp)
212{ 209{
213 int ret; 210 int ret;
214 u32 addr = V_REGADDR(reg_addr) | V_PHYADDR(phy_addr); 211 u32 addr = V_REGADDR(reg_addr) | V_PHYADDR(phy_addr);
@@ -217,16 +214,17 @@ static int mi1_read(struct adapter *adapter, int phy_addr, int mmd_addr,
217 return -EINVAL; 214 return -EINVAL;
218 215
219 mutex_lock(&adapter->mdio_lock); 216 mutex_lock(&adapter->mdio_lock);
217 t3_set_reg_field(adapter, A_MI1_CFG, V_ST(M_ST), V_ST(1));
220 t3_write_reg(adapter, A_MI1_ADDR, addr); 218 t3_write_reg(adapter, A_MI1_ADDR, addr);
221 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(2)); 219 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(2));
222 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); 220 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 10);
223 if (!ret) 221 if (!ret)
224 *valp = t3_read_reg(adapter, A_MI1_DATA); 222 *valp = t3_read_reg(adapter, A_MI1_DATA);
225 mutex_unlock(&adapter->mdio_lock); 223 mutex_unlock(&adapter->mdio_lock);
226 return ret; 224 return ret;
227} 225}
228 226
229static int mi1_write(struct adapter *adapter, int phy_addr, int mmd_addr, 227static int t3_mi1_write(struct adapter *adapter, int phy_addr, int mmd_addr,
230 int reg_addr, unsigned int val) 228 int reg_addr, unsigned int val)
231{ 229{
232 int ret; 230 int ret;
@@ -236,37 +234,51 @@ static int mi1_write(struct adapter *adapter, int phy_addr, int mmd_addr,
236 return -EINVAL; 234 return -EINVAL;
237 235
238 mutex_lock(&adapter->mdio_lock); 236 mutex_lock(&adapter->mdio_lock);
237 t3_set_reg_field(adapter, A_MI1_CFG, V_ST(M_ST), V_ST(1));
239 t3_write_reg(adapter, A_MI1_ADDR, addr); 238 t3_write_reg(adapter, A_MI1_ADDR, addr);
240 t3_write_reg(adapter, A_MI1_DATA, val); 239 t3_write_reg(adapter, A_MI1_DATA, val);
241 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1)); 240 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1));
242 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); 241 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 10);
243 mutex_unlock(&adapter->mdio_lock); 242 mutex_unlock(&adapter->mdio_lock);
244 return ret; 243 return ret;
245} 244}
246 245
247static const struct mdio_ops mi1_mdio_ops = { 246static const struct mdio_ops mi1_mdio_ops = {
248 mi1_read, 247 t3_mi1_read,
249 mi1_write 248 t3_mi1_write
250}; 249};
251 250
252/* 251/*
252 * Performs the address cycle for clause 45 PHYs.
253 * Must be called with the MDIO_LOCK held.
254 */
255static int mi1_wr_addr(struct adapter *adapter, int phy_addr, int mmd_addr,
256 int reg_addr)
257{
258 u32 addr = V_REGADDR(mmd_addr) | V_PHYADDR(phy_addr);
259
260 t3_set_reg_field(adapter, A_MI1_CFG, V_ST(M_ST), 0);
261 t3_write_reg(adapter, A_MI1_ADDR, addr);
262 t3_write_reg(adapter, A_MI1_DATA, reg_addr);
263 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(0));
264 return t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0,
265 MDIO_ATTEMPTS, 10);
266}
267
268/*
253 * MI1 read/write operations for indirect-addressed PHYs. 269 * MI1 read/write operations for indirect-addressed PHYs.
254 */ 270 */
255static int mi1_ext_read(struct adapter *adapter, int phy_addr, int mmd_addr, 271static int mi1_ext_read(struct adapter *adapter, int phy_addr, int mmd_addr,
256 int reg_addr, unsigned int *valp) 272 int reg_addr, unsigned int *valp)
257{ 273{
258 int ret; 274 int ret;
259 u32 addr = V_REGADDR(mmd_addr) | V_PHYADDR(phy_addr);
260 275
261 mutex_lock(&adapter->mdio_lock); 276 mutex_lock(&adapter->mdio_lock);
262 t3_write_reg(adapter, A_MI1_ADDR, addr); 277 ret = mi1_wr_addr(adapter, phy_addr, mmd_addr, reg_addr);
263 t3_write_reg(adapter, A_MI1_DATA, reg_addr);
264 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(0));
265 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20);
266 if (!ret) { 278 if (!ret) {
267 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(3)); 279 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(3));
268 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, 280 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0,
269 MDIO_ATTEMPTS, 20); 281 MDIO_ATTEMPTS, 10);
270 if (!ret) 282 if (!ret)
271 *valp = t3_read_reg(adapter, A_MI1_DATA); 283 *valp = t3_read_reg(adapter, A_MI1_DATA);
272 } 284 }
@@ -278,18 +290,14 @@ static int mi1_ext_write(struct adapter *adapter, int phy_addr, int mmd_addr,
278 int reg_addr, unsigned int val) 290 int reg_addr, unsigned int val)
279{ 291{
280 int ret; 292 int ret;
281 u32 addr = V_REGADDR(mmd_addr) | V_PHYADDR(phy_addr);
282 293
283 mutex_lock(&adapter->mdio_lock); 294 mutex_lock(&adapter->mdio_lock);
284 t3_write_reg(adapter, A_MI1_ADDR, addr); 295 ret = mi1_wr_addr(adapter, phy_addr, mmd_addr, reg_addr);
285 t3_write_reg(adapter, A_MI1_DATA, reg_addr);
286 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(0));
287 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20);
288 if (!ret) { 296 if (!ret) {
289 t3_write_reg(adapter, A_MI1_DATA, val); 297 t3_write_reg(adapter, A_MI1_DATA, val);
290 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1)); 298 t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1));
291 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, 299 ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0,
292 MDIO_ATTEMPTS, 20); 300 MDIO_ATTEMPTS, 10);
293 } 301 }
294 mutex_unlock(&adapter->mdio_lock); 302 mutex_unlock(&adapter->mdio_lock);
295 return ret; 303 return ret;
@@ -435,22 +443,22 @@ int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex)
435} 443}
436 444
437static const struct adapter_info t3_adap_info[] = { 445static const struct adapter_info t3_adap_info[] = {
438 {2, 0, 0, 0, 446 {2, 0,
439 F_GPIO2_OEN | F_GPIO4_OEN | 447 F_GPIO2_OEN | F_GPIO4_OEN |
440 F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5, 448 F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5,
441 0, 449 0,
442 &mi1_mdio_ops, "Chelsio PE9000"}, 450 &mi1_mdio_ops, "Chelsio PE9000"},
443 {2, 0, 0, 0, 451 {2, 0,
444 F_GPIO2_OEN | F_GPIO4_OEN | 452 F_GPIO2_OEN | F_GPIO4_OEN |
445 F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5, 453 F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5,
446 0, 454 0,
447 &mi1_mdio_ops, "Chelsio T302"}, 455 &mi1_mdio_ops, "Chelsio T302"},
448 {1, 0, 0, 0, 456 {1, 0,
449 F_GPIO1_OEN | F_GPIO6_OEN | F_GPIO7_OEN | F_GPIO10_OEN | 457 F_GPIO1_OEN | F_GPIO6_OEN | F_GPIO7_OEN | F_GPIO10_OEN |
450 F_GPIO11_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, 458 F_GPIO11_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL,
451 0, SUPPORTED_10000baseT_Full | SUPPORTED_AUI, 459 0, SUPPORTED_10000baseT_Full | SUPPORTED_AUI,
452 &mi1_mdio_ext_ops, "Chelsio T310"}, 460 &mi1_mdio_ext_ops, "Chelsio T310"},
453 {2, 0, 0, 0, 461 {2, 0,
454 F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO5_OEN | F_GPIO6_OEN | 462 F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO5_OEN | F_GPIO6_OEN |
455 F_GPIO7_OEN | F_GPIO10_OEN | F_GPIO11_OEN | F_GPIO1_OUT_VAL | 463 F_GPIO7_OEN | F_GPIO10_OEN | F_GPIO11_OEN | F_GPIO1_OUT_VAL |
456 F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, 0, 464 F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, 0,
@@ -467,29 +475,23 @@ const struct adapter_info *t3_get_adapter_info(unsigned int id)
467 return id < ARRAY_SIZE(t3_adap_info) ? &t3_adap_info[id] : NULL; 475 return id < ARRAY_SIZE(t3_adap_info) ? &t3_adap_info[id] : NULL;
468} 476}
469 477
470#define CAPS_1G (SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full | \ 478struct port_type_info {
471 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_MII) 479 int (*phy_prep)(struct cphy *phy, struct adapter *adapter,
472#define CAPS_10G (SUPPORTED_10000baseT_Full | SUPPORTED_AUI) 480 int phy_addr, const struct mdio_ops *ops);
481};
473 482
474static const struct port_type_info port_types[] = { 483static const struct port_type_info port_types[] = {
475 {NULL}, 484 { NULL },
476 {t3_ael1002_phy_prep, CAPS_10G | SUPPORTED_FIBRE, 485 { t3_ael1002_phy_prep },
477 "10GBASE-XR"}, 486 { t3_vsc8211_phy_prep },
478 {t3_vsc8211_phy_prep, CAPS_1G | SUPPORTED_TP | SUPPORTED_IRQ, 487 { NULL},
479 "10/100/1000BASE-T"}, 488 { t3_xaui_direct_phy_prep },
480 {NULL, CAPS_1G | SUPPORTED_TP | SUPPORTED_IRQ, 489 { NULL },
481 "10/100/1000BASE-T"}, 490 { t3_qt2045_phy_prep },
482 {t3_xaui_direct_phy_prep, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"}, 491 { t3_ael1006_phy_prep },
483 {NULL, CAPS_10G, "10GBASE-KX4"}, 492 { NULL },
484 {t3_qt2045_phy_prep, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"},
485 {t3_ael1006_phy_prep, CAPS_10G | SUPPORTED_FIBRE,
486 "10GBASE-SR"},
487 {NULL, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"},
488}; 493};
489 494
490#undef CAPS_1G
491#undef CAPS_10G
492
493#define VPD_ENTRY(name, len) \ 495#define VPD_ENTRY(name, len) \
494 u8 name##_kword[2]; u8 name##_len; u8 name##_data[len] 496 u8 name##_kword[2]; u8 name##_len; u8 name##_data[len]
495 497
@@ -1691,7 +1693,7 @@ int t3_phy_intr_handler(struct adapter *adapter)
1691 mask = gpi - (gpi & (gpi - 1)); 1693 mask = gpi - (gpi & (gpi - 1));
1692 gpi -= mask; 1694 gpi -= mask;
1693 1695
1694 if (!(p->port_type->caps & SUPPORTED_IRQ)) 1696 if (!(p->phy.caps & SUPPORTED_IRQ))
1695 continue; 1697 continue;
1696 1698
1697 if (cause & mask) { 1699 if (cause & mask) {
@@ -3556,7 +3558,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
3556 int reset) 3558 int reset)
3557{ 3559{
3558 int ret; 3560 int ret;
3559 unsigned int i, j = 0; 3561 unsigned int i, j = -1;
3560 3562
3561 get_pci_mode(adapter, &adapter->params.pci); 3563 get_pci_mode(adapter, &adapter->params.pci);
3562 3564
@@ -3620,19 +3622,18 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
3620 3622
3621 for_each_port(adapter, i) { 3623 for_each_port(adapter, i) {
3622 u8 hw_addr[6]; 3624 u8 hw_addr[6];
3625 const struct port_type_info *pti;
3623 struct port_info *p = adap2pinfo(adapter, i); 3626 struct port_info *p = adap2pinfo(adapter, i);
3624 3627
3625 while (!adapter->params.vpd.port_type[j]) 3628 while (!adapter->params.vpd.port_type[++j])
3626 ++j; 3629 ;
3627 3630
3628 p->port_type = &port_types[adapter->params.vpd.port_type[j]]; 3631 pti = &port_types[adapter->params.vpd.port_type[j]];
3629 ret = p->port_type->phy_prep(&p->phy, adapter, 3632 ret = pti->phy_prep(&p->phy, adapter, ai->phy_base_addr + j,
3630 ai->phy_base_addr + j, 3633 ai->mdio_ops);
3631 ai->mdio_ops);
3632 if (ret) 3634 if (ret)
3633 return ret; 3635 return ret;
3634 mac_prep(&p->mac, adapter, j); 3636 mac_prep(&p->mac, adapter, j);
3635 ++j;
3636 3637
3637 /* 3638 /*
3638 * The VPD EEPROM stores the base Ethernet address for the 3639 * The VPD EEPROM stores the base Ethernet address for the
@@ -3646,9 +3647,9 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
3646 ETH_ALEN); 3647 ETH_ALEN);
3647 memcpy(adapter->port[i]->perm_addr, hw_addr, 3648 memcpy(adapter->port[i]->perm_addr, hw_addr,
3648 ETH_ALEN); 3649 ETH_ALEN);
3649 init_link_config(&p->link_config, p->port_type->caps); 3650 init_link_config(&p->link_config, p->phy.caps);
3650 p->phy.ops->power_down(&p->phy, 1); 3651 p->phy.ops->power_down(&p->phy, 1);
3651 if (!(p->port_type->caps & SUPPORTED_IRQ)) 3652 if (!(p->phy.caps & SUPPORTED_IRQ))
3652 adapter->params.linkpoll_period = 10; 3653 adapter->params.linkpoll_period = 10;
3653 } 3654 }
3654 3655
@@ -3664,7 +3665,7 @@ void t3_led_ready(struct adapter *adapter)
3664int t3_replay_prep_adapter(struct adapter *adapter) 3665int t3_replay_prep_adapter(struct adapter *adapter)
3665{ 3666{
3666 const struct adapter_info *ai = adapter->params.info; 3667 const struct adapter_info *ai = adapter->params.info;
3667 unsigned int i, j = 0; 3668 unsigned int i, j = -1;
3668 int ret; 3669 int ret;
3669 3670
3670 early_hw_init(adapter, ai); 3671 early_hw_init(adapter, ai);
@@ -3673,17 +3674,17 @@ int t3_replay_prep_adapter(struct adapter *adapter)
3673 return ret; 3674 return ret;
3674 3675
3675 for_each_port(adapter, i) { 3676 for_each_port(adapter, i) {
3677 const struct port_type_info *pti;
3676 struct port_info *p = adap2pinfo(adapter, i); 3678 struct port_info *p = adap2pinfo(adapter, i);
3677 while (!adapter->params.vpd.port_type[j])
3678 ++j;
3679 3679
3680 ret = p->port_type->phy_prep(&p->phy, adapter, 3680 while (!adapter->params.vpd.port_type[++j])
3681 ai->phy_base_addr + j, 3681 ;
3682 ai->mdio_ops); 3682
3683 pti = &port_types[adapter->params.vpd.port_type[j]];
3684 ret = pti->phy_prep(&p->phy, adapter, p->phy.addr, NULL);
3683 if (ret) 3685 if (ret)
3684 return ret; 3686 return ret;
3685 p->phy.ops->power_down(&p->phy, 1); 3687 p->phy.ops->power_down(&p->phy, 1);
3686 ++j;
3687 } 3688 }
3688 3689
3689return 0; 3690return 0;