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authorDavid S. Miller <davem@davemloft.net>2008-03-27 21:48:56 -0400
committerDavid S. Miller <davem@davemloft.net>2008-03-27 21:48:56 -0400
commit8e8e43843ba3ced0c657cbc0fdb10644ec60f772 (patch)
treee64954326ced9c365c52c256f01b5f9fb1bcae66 /drivers/net/phy
parented85f2c3b2b72bd20f617ac749f5c22be8d0f66e (diff)
parent50fd4407b8bfbde7c1a0bfe4f24de7df37164342 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/usb/rndis_host.c drivers/net/wireless/b43/dma.c net/ipv6/ndisc.c
Diffstat (limited to 'drivers/net/phy')
-rw-r--r--drivers/net/phy/marvell.c129
1 files changed, 124 insertions, 5 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index f0574073a2a..33539917e9b 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -58,9 +58,25 @@
58#define MII_M1111_RX_DELAY 0x80 58#define MII_M1111_RX_DELAY 0x80
59#define MII_M1111_TX_DELAY 0x2 59#define MII_M1111_TX_DELAY 0x2
60#define MII_M1111_PHY_EXT_SR 0x1b 60#define MII_M1111_PHY_EXT_SR 0x1b
61#define MII_M1111_HWCFG_MODE_MASK 0xf 61
62#define MII_M1111_HWCFG_MODE_RGMII 0xb 62#define MII_M1111_HWCFG_MODE_MASK 0xf
63#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
64#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
63#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4 65#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
66#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
67#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
68
69#define MII_M1111_COPPER 0
70#define MII_M1111_FIBER 1
71
72#define MII_M1011_PHY_STATUS 0x11
73#define MII_M1011_PHY_STATUS_1000 0x8000
74#define MII_M1011_PHY_STATUS_100 0x4000
75#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
76#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
77#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
78#define MII_M1011_PHY_STATUS_LINK 0x0400
79
64 80
65MODULE_DESCRIPTION("Marvell PHY driver"); 81MODULE_DESCRIPTION("Marvell PHY driver");
66MODULE_AUTHOR("Andy Fleming"); 82MODULE_AUTHOR("Andy Fleming");
@@ -141,12 +157,22 @@ static int marvell_config_aneg(struct phy_device *phydev)
141static int m88e1111_config_init(struct phy_device *phydev) 157static int m88e1111_config_init(struct phy_device *phydev)
142{ 158{
143 int err; 159 int err;
160 int temp;
161 int mode;
162
163 /* Enable Fiber/Copper auto selection */
164 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
165 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
166 phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
167
168 temp = phy_read(phydev, MII_BMCR);
169 temp |= BMCR_RESET;
170 phy_write(phydev, MII_BMCR, temp);
144 171
145 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || 172 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
146 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || 173 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
147 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || 174 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
148 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { 175 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
149 int temp;
150 176
151 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); 177 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
152 if (temp < 0) 178 if (temp < 0)
@@ -171,7 +197,13 @@ static int m88e1111_config_init(struct phy_device *phydev)
171 return temp; 197 return temp;
172 198
173 temp &= ~(MII_M1111_HWCFG_MODE_MASK); 199 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
174 temp |= MII_M1111_HWCFG_MODE_RGMII; 200
201 mode = phy_read(phydev, MII_M1111_PHY_EXT_CR);
202
203 if (mode & MII_M1111_HWCFG_FIBER_COPPER_RES)
204 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
205 else
206 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
175 207
176 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); 208 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
177 if (err < 0) 209 if (err < 0)
@@ -262,6 +294,93 @@ static int m88e1145_config_init(struct phy_device *phydev)
262 return 0; 294 return 0;
263} 295}
264 296
297/* marvell_read_status
298 *
299 * Generic status code does not detect Fiber correctly!
300 * Description:
301 * Check the link, then figure out the current state
302 * by comparing what we advertise with what the link partner
303 * advertises. Start by checking the gigabit possibilities,
304 * then move on to 10/100.
305 */
306static int marvell_read_status(struct phy_device *phydev)
307{
308 int adv;
309 int err;
310 int lpa;
311 int status = 0;
312
313 /* Update the link, but return if there
314 * was an error */
315 err = genphy_update_link(phydev);
316 if (err)
317 return err;
318
319 if (AUTONEG_ENABLE == phydev->autoneg) {
320 status = phy_read(phydev, MII_M1011_PHY_STATUS);
321 if (status < 0)
322 return status;
323
324 lpa = phy_read(phydev, MII_LPA);
325 if (lpa < 0)
326 return lpa;
327
328 adv = phy_read(phydev, MII_ADVERTISE);
329 if (adv < 0)
330 return adv;
331
332 lpa &= adv;
333
334 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
335 phydev->duplex = DUPLEX_FULL;
336 else
337 phydev->duplex = DUPLEX_HALF;
338
339 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
340 phydev->pause = phydev->asym_pause = 0;
341
342 switch (status) {
343 case MII_M1011_PHY_STATUS_1000:
344 phydev->speed = SPEED_1000;
345 break;
346
347 case MII_M1011_PHY_STATUS_100:
348 phydev->speed = SPEED_100;
349 break;
350
351 default:
352 phydev->speed = SPEED_10;
353 break;
354 }
355
356 if (phydev->duplex == DUPLEX_FULL) {
357 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
358 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
359 }
360 } else {
361 int bmcr = phy_read(phydev, MII_BMCR);
362
363 if (bmcr < 0)
364 return bmcr;
365
366 if (bmcr & BMCR_FULLDPLX)
367 phydev->duplex = DUPLEX_FULL;
368 else
369 phydev->duplex = DUPLEX_HALF;
370
371 if (bmcr & BMCR_SPEED1000)
372 phydev->speed = SPEED_1000;
373 else if (bmcr & BMCR_SPEED100)
374 phydev->speed = SPEED_100;
375 else
376 phydev->speed = SPEED_10;
377
378 phydev->pause = phydev->asym_pause = 0;
379 }
380
381 return 0;
382}
383
265static struct phy_driver marvell_drivers[] = { 384static struct phy_driver marvell_drivers[] = {
266 { 385 {
267 .phy_id = 0x01410c60, 386 .phy_id = 0x01410c60,
@@ -296,7 +415,7 @@ static struct phy_driver marvell_drivers[] = {
296 .flags = PHY_HAS_INTERRUPT, 415 .flags = PHY_HAS_INTERRUPT,
297 .config_init = &m88e1111_config_init, 416 .config_init = &m88e1111_config_init,
298 .config_aneg = &marvell_config_aneg, 417 .config_aneg = &marvell_config_aneg,
299 .read_status = &genphy_read_status, 418 .read_status = &marvell_read_status,
300 .ack_interrupt = &marvell_ack_interrupt, 419 .ack_interrupt = &marvell_ack_interrupt,
301 .config_intr = &marvell_config_intr, 420 .config_intr = &marvell_config_intr,
302 .driver = { .owner = THIS_MODULE }, 421 .driver = { .owner = THIS_MODULE },