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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-26 18:35:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-26 18:35:50 -0700
commitee20a0dd5400e771ff93eb7f2bcc731eab1f377e (patch)
tree43743bd300a5b1ed94888881689e1d6a8ecac1e1 /drivers/net/phy
parentd55a4528f7f607ca2872fec18574bc8cec060f05 (diff)
parent732c8bd590625e8bc0b88313b82930e336b2bec4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits) [IPSEC]: Fix BEET output [ICMP]: Dst entry leak in icmp_send host re-lookup code (v2). [AX25]: Remove obsolete references to BKL from TODO file. [NET]: Fix multicast device ioctl checks [IRDA]: Store irnet_socket termios properly. [UML]: uml-net: don't set IFF_ALLMULTI in set_multicast_list [VLAN]: Don't copy ALLMULTI/PROMISC flags from underlying device netxen, phy/marvell, skge: minor checkpatch fixes S2io: Handle TX completions on the same CPU as the sender for MIS-X interrupts b44: Truncate PHY address skge napi->poll() locking bug rndis_host: fix oops when query for OID_GEN_PHYSICAL_MEDIUM fails cxgb3: Fix lockdep problems with sge.reg_lock ehea: Fix IPv6 support dm9000: Support promisc and all-multi modes dm9601: configure MAC to drop invalid (crc/length) packets dm9601: add Hirose USB-100 device ID Marvell PHY m88e1111 driver fix netxen: fix rx dropped stats netxen: remove low level tx lock ...
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 @@
#define MII_M1111_RX_DELAY 0x80
#define MII_M1111_TX_DELAY 0x2
#define MII_M1111_PHY_EXT_SR 0x1b
-#define MII_M1111_HWCFG_MODE_MASK 0xf
-#define MII_M1111_HWCFG_MODE_RGMII 0xb
+
+#define MII_M1111_HWCFG_MODE_MASK 0xf
+#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
+#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
+#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
+#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
+
+#define MII_M1111_COPPER 0
+#define MII_M1111_FIBER 1
+
+#define MII_M1011_PHY_STATUS 0x11
+#define MII_M1011_PHY_STATUS_1000 0x8000
+#define MII_M1011_PHY_STATUS_100 0x4000
+#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
+#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
+#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
+#define MII_M1011_PHY_STATUS_LINK 0x0400
+
MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
@@ -141,12 +157,22 @@ static int marvell_config_aneg(struct phy_device *phydev)
static int m88e1111_config_init(struct phy_device *phydev)
{
int err;
+ int temp;
+ int mode;
+
+ /* Enable Fiber/Copper auto selection */
+ temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+ temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+ phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+
+ temp = phy_read(phydev, MII_BMCR);
+ temp |= BMCR_RESET;
+ phy_write(phydev, MII_BMCR, temp);
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
- int temp;
temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
if (temp < 0)
@@ -171,7 +197,13 @@ static int m88e1111_config_init(struct phy_device *phydev)
return temp;
temp &= ~(MII_M1111_HWCFG_MODE_MASK);
- temp |= MII_M1111_HWCFG_MODE_RGMII;
+
+ mode = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+
+ if (mode & MII_M1111_HWCFG_FIBER_COPPER_RES)
+ temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
+ else
+ temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
if (err < 0)
@@ -262,6 +294,93 @@ static int m88e1145_config_init(struct phy_device *phydev)
return 0;
}
+/* marvell_read_status
+ *
+ * Generic status code does not detect Fiber correctly!
+ * Description:
+ * Check the link, then figure out the current state
+ * by comparing what we advertise with what the link partner
+ * advertises. Start by checking the gigabit possibilities,
+ * then move on to 10/100.
+ */
+static int marvell_read_status(struct phy_device *phydev)
+{
+ int adv;
+ int err;
+ int lpa;
+ int status = 0;
+
+ /* Update the link, but return if there
+ * was an error */
+ err = genphy_update_link(phydev);
+ if (err)
+ return err;
+
+ if (AUTONEG_ENABLE == phydev->autoneg) {
+ status = phy_read(phydev, MII_M1011_PHY_STATUS);
+ if (status < 0)
+ return status;
+
+ lpa = phy_read(phydev, MII_LPA);
+ if (lpa < 0)
+ return lpa;
+
+ adv = phy_read(phydev, MII_ADVERTISE);
+ if (adv < 0)
+ return adv;
+
+ lpa &= adv;
+
+ if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ status = status & MII_M1011_PHY_STATUS_SPD_MASK;
+ phydev->pause = phydev->asym_pause = 0;
+
+ switch (status) {
+ case MII_M1011_PHY_STATUS_1000:
+ phydev->speed = SPEED_1000;
+ break;
+
+ case MII_M1011_PHY_STATUS_100:
+ phydev->speed = SPEED_100;
+ break;
+
+ default:
+ phydev->speed = SPEED_10;
+ break;
+ }
+
+ if (phydev->duplex == DUPLEX_FULL) {
+ phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
+ phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
+ }
+ } else {
+ int bmcr = phy_read(phydev, MII_BMCR);
+
+ if (bmcr < 0)
+ return bmcr;
+
+ if (bmcr & BMCR_FULLDPLX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ if (bmcr & BMCR_SPEED1000)
+ phydev->speed = SPEED_1000;
+ else if (bmcr & BMCR_SPEED100)
+ phydev->speed = SPEED_100;
+ else
+ phydev->speed = SPEED_10;
+
+ phydev->pause = phydev->asym_pause = 0;
+ }
+
+ return 0;
+}
+
static struct phy_driver marvell_drivers[] = {
{
.phy_id = 0x01410c60,
@@ -296,7 +415,7 @@ static struct phy_driver marvell_drivers[] = {
.flags = PHY_HAS_INTERRUPT,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
- .read_status = &genphy_read_status,
+ .read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.driver = { .owner = THIS_MODULE },