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Diffstat (limited to 'drivers/tsec.c')
-rw-r--r--drivers/tsec.c99
1 files changed, 98 insertions, 1 deletions
diff --git a/drivers/tsec.c b/drivers/tsec.c
index 3f11eb0..b418773 100644
--- a/drivers/tsec.c
+++ b/drivers/tsec.c
@@ -5,7 +5,7 @@
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor, Inc.
* (C) Copyright 2003, Motorola, Inc.
* author Andy Fleming
*
@@ -66,7 +66,11 @@ struct tsec_info_struct {
*/
static struct tsec_info_struct tsec_info[] = {
#if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1)
+#if defined(CONFIG_MPC8544DS)
+ {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX},
+#else
{TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX},
+#endif
#elif defined(CONFIG_MPC86XX_TSEC1)
{TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX},
#else
@@ -381,6 +385,76 @@ uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
return 0;
}
+/* Generic function which updates the speed and duplex. If
+ * autonegotiation is enabled, it uses the AND of the link
+ * partner's advertised capabilities and our advertised
+ * capabilities. If autonegotiation is disabled, we use the
+ * appropriate bits in the control register.
+ *
+ * Stolen from Linux's mii.c and phy_device.c
+ */
+uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
+{
+ /* We're using autonegotiation */
+ if (mii_reg & PHY_BMSR_AUTN_ABLE) {
+ uint lpa = 0;
+ uint gblpa = 0;
+
+ /* Check for gigabit capability */
+ if (mii_reg & PHY_BMSR_EXT) {
+ /* We want a list of states supported by
+ * both PHYs in the link
+ */
+ gblpa = read_phy_reg(priv, PHY_1000BTSR);
+ gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
+ }
+
+ /* Set the baseline so we only have to set them
+ * if they're different
+ */
+ priv->speed = 10;
+ priv->duplexity = 0;
+
+ /* Check the gigabit fields */
+ if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
+ priv->speed = 1000;
+
+ if (gblpa & PHY_1000BTSR_1000FD)
+ priv->duplexity = 1;
+
+ /* We're done! */
+ return 0;
+ }
+
+ lpa = read_phy_reg(priv, PHY_ANAR);
+ lpa &= read_phy_reg(priv, PHY_ANLPAR);
+
+ if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
+ priv->speed = 100;
+
+ if (lpa & PHY_ANLPAR_TXFD)
+ priv->duplexity = 1;
+
+ } else if (lpa & PHY_ANLPAR_10FD)
+ priv->duplexity = 1;
+ } else {
+ uint bmcr = read_phy_reg(priv, PHY_BMCR);
+
+ priv->speed = 10;
+ priv->duplexity = 0;
+
+ if (bmcr & PHY_BMCR_DPLX)
+ priv->duplexity = 1;
+
+ if (bmcr & PHY_BMCR_1000_MBPS)
+ priv->speed = 1000;
+ else if (bmcr & PHY_BMCR_100_MBPS)
+ priv->speed = 100;
+ }
+
+ return 0;
+}
+
/*
* Parse the BCM54xx status register for speed and duplex information.
* The linux sungem_phy has this information, but in a table format.
@@ -718,6 +792,7 @@ static void startup_tsec(struct eth_device *dev)
/* Start up the PHY */
if(priv->phyinfo)
phy_run_commands(priv, priv->phyinfo->startup);
+
adjust_link(dev);
/* Enable Transmit and Receive */
@@ -1088,6 +1163,27 @@ struct phy_info phy_info_dm9161 = {
{miim_end,}
},
};
+/* a generic flavor. */
+struct phy_info phy_info_generic = {
+ 0,
+ "Unknown/Generic PHY",
+ 32,
+ (struct phy_cmd[]) { /* config */
+ {PHY_BMCR, PHY_BMCR_RESET, NULL},
+ {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ {PHY_BMSR, miim_read, NULL},
+ {PHY_BMSR, miim_read, &mii_parse_sr},
+ {PHY_BMSR, miim_read, &mii_parse_link},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ }
+};
+
uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
{
@@ -1203,6 +1299,7 @@ struct phy_info *phy_info[] = {
&phy_info_lxt971,
&phy_info_VSC8244,
&phy_info_dp83865,
+ &phy_info_generic,
NULL
};