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-rw-r--r--openwrt/package/linux/kernel-patches/316-b44_mii_phy.patch77
1 files changed, 77 insertions, 0 deletions
diff --git a/openwrt/package/linux/kernel-patches/316-b44_mii_phy.patch b/openwrt/package/linux/kernel-patches/316-b44_mii_phy.patch
new file mode 100644
index 0000000000..ace58c9631
--- /dev/null
+++ b/openwrt/package/linux/kernel-patches/316-b44_mii_phy.patch
@@ -0,0 +1,77 @@
+--- linux-2.4.30.old/drivers/net/b44.c 2005-05-01 23:30:22.000000000 +0400
++++ linux-2.4.30/drivers/net/b44.c 2005-05-10 16:51:24.410654488 +0400
+@@ -343,17 +343,14 @@
+ bw32(B44_IMASK, bp->imask);
+ }
+
+-static int b44_readphy(struct b44 *bp, int reg, u32 *val)
++static int __b44_readphy(struct b44 *bp, int phy_addr, int reg, u32 *val)
+ {
+ int err;
+
+- if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+- return 0;
+-
+ bw32(B44_EMAC_ISTAT, EMAC_INT_MII);
+ bw32(B44_MDIO_DATA, (MDIO_DATA_SB_START |
+ (MDIO_OP_READ << MDIO_DATA_OP_SHIFT) |
+- (bp->phy_addr << MDIO_DATA_PMD_SHIFT) |
++ (phy_addr << MDIO_DATA_PMD_SHIFT) |
+ (reg << MDIO_DATA_RA_SHIFT) |
+ (MDIO_TA_VALID << MDIO_DATA_TA_SHIFT)));
+ err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
+@@ -362,21 +359,34 @@
+ return err;
+ }
+
+-static int b44_writephy(struct b44 *bp, int reg, u32 val)
++static int b44_readphy(struct b44 *bp, int reg, u32 *val)
+ {
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
+
++ return __b44_readphy(bp, bp->phy_addr, reg, val);
++}
++
++static int __b44_writephy(struct b44 *bp, int phy_addr, int reg, u32 val)
++{
+ bw32(B44_EMAC_ISTAT, EMAC_INT_MII);
+ bw32(B44_MDIO_DATA, (MDIO_DATA_SB_START |
+ (MDIO_OP_WRITE << MDIO_DATA_OP_SHIFT) |
+- (bp->phy_addr << MDIO_DATA_PMD_SHIFT) |
++ (phy_addr << MDIO_DATA_PMD_SHIFT) |
+ (reg << MDIO_DATA_RA_SHIFT) |
+ (MDIO_TA_VALID << MDIO_DATA_TA_SHIFT) |
+ (val & MDIO_DATA_DATA)));
+ return b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
+ }
+
++static int b44_writephy(struct b44 *bp, int reg, u32 val)
++{
++ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
++ return 0;
++
++ return __b44_writephy(bp, bp->phy_addr, reg, val);
++}
++
+ static int b44_phy_reset(struct b44 *bp)
+ {
+ u32 val;
+@@ -1701,7 +1711,7 @@
+ u32 mii_regval;
+
+ spin_lock_irq(&bp->lock);
+- err = b44_readphy(bp, data->reg_num & 0x1f, &mii_regval);
++ err = __b44_readphy(bp, data->phy_id & 0x1f, data->reg_num & 0x1f, &mii_regval);
+ spin_unlock_irq(&bp->lock);
+
+ data->val_out = mii_regval;
+@@ -1714,7 +1724,7 @@
+ return -EPERM;
+
+ spin_lock_irq(&bp->lock);
+- err = b44_writephy(bp, data->reg_num & 0x1f, data->val_in);
++ err = __b44_writephy(bp, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
+ spin_unlock_irq(&bp->lock);
+
+ return err;