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uec: add support for Broadcom BCM5481 Gigabit PHY

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This patch adds basic support for Broadcom BCM5481 PHY.

RXD-RXC delay quirk comes from MPC8360E-RDK BSP source, author is
Peter Barada <peterb@logicpd.com>.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
This commit is contained in:
Anton Vorontsov 2008-03-24 20:46:34 +03:00 committed by Kim Phillips
parent 6a600c3a18
commit 300615dc5d
1 changed files with 41 additions and 0 deletions
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41
drivers/qe/uec_phy.c
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@ -347,6 +347,37 @@ static int genmii_read_status (struct uec_mii_info *mii_info)
return 0; return 0;
} }
static int bcm_init(struct uec_mii_info *mii_info)
{
struct eth_device *edev = mii_info->dev;
uec_private_t *uec = edev->priv;
gbit_config_aneg(mii_info);
if (uec->uec_info->enet_interface == ENET_1000_RGMII_RXID) {
u16 val;
int cnt = 50;
/* Wait for aneg to complete. */
do
val = phy_read(mii_info, PHY_BMSR);
while (--cnt && !(val & PHY_BMSR_AUTN_COMP));
/* Set RDX clk delay. */
phy_write(mii_info, 0x18, 0x7 | (7 << 12));
val = phy_read(mii_info, 0x18);
/* Set RDX-RXC skew. */
val |= (1 << 8);
val |= (7 | (7 << 12));
/* Write bits 14:0. */
val |= (1 << 15);
phy_write(mii_info, 0x18, val);
}
return 0;
}
static int marvell_read_status (struct uec_mii_info *mii_info) static int marvell_read_status (struct uec_mii_info *mii_info)
{ {
u16 status; u16 status;
@ -515,6 +546,15 @@ static struct phy_info phy_info_marvell = {
.config_intr = &marvell_config_intr, .config_intr = &marvell_config_intr,
}; };
static struct phy_info phy_info_bcm5481 = {
.phy_id = 0x0143bca0,
.phy_id_mask = 0xffffff0,
.name = "Broadcom 5481",
.features = MII_GBIT_FEATURES,
.read_status = genmii_read_status,
.init = bcm_init,
};
static struct phy_info phy_info_genmii = { static struct phy_info phy_info_genmii = {
.phy_id = 0x00000000, .phy_id = 0x00000000,
.phy_id_mask = 0x00000000, .phy_id_mask = 0x00000000,
@ -528,6 +568,7 @@ static struct phy_info *phy_info[] = {
&phy_info_dm9161, &phy_info_dm9161,
&phy_info_dm9161a, &phy_info_dm9161a,
&phy_info_marvell, &phy_info_marvell,
&phy_info_bcm5481,
&phy_info_genmii, &phy_info_genmii,
NULL NULL
}; };