[U-Boot-Users] [PATCH 03/11] uec: add support for Broadcom BCM5481 Gigabit PHY

Anton Vorontsov
2008-03-24T17:46:34Z

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>
---
drivers/qe/uec_phy.c | 41 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/drivers/qe/uec_phy.c b/drivers/qe/uec_phy.c
index 8c4a558..423ba78 100644
--- a/drivers/qe/uec_phy.c
+++ b/drivers/qe/uec_phy.c
@@ -347,6 +347,37 @@ static int genmii_read_status (struct uec_mii_info *mii_info)
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)
{
u16 status;
@@ -515,6 +546,15 @@ static struct phy_info phy_info_marvell = {
.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 = {
.phy_id = 0x00000000,
.phy_id_mask = 0x00000000,
@@ -528,6 +568,7 @@ static struct phy_info *phy_info[] = {
&phy_info_dm9161,
&phy_info_dm9161a,
&phy_info_marvell,
+ &phy_info_bcm5481,
&phy_info_genmii,
NULL
};
--
1.5.2.2