[U-Boot] [PATCH 1/4] net: fec_mxc: add 1000 Mbps selection
Troy Kisky
troy.kisky at boundarydevices.com
Thu Jan 26 23:21:42 CET 2012
Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
---
drivers/net/fec_mxc.c | 18 +++++++++++++++++-
drivers/net/fec_mxc.h | 2 ++
2 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 3affda8..3fffe79 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -378,6 +378,7 @@ static int fec_set_hwaddr(struct eth_device *dev)
static int fec_open(struct eth_device *edev)
{
struct fec_priv *fec = (struct fec_priv *)edev->priv;
+ int speed;
debug("fec_open: fec_open(dev)\n");
/* full-duplex, heartbeat disabled */
@@ -427,8 +428,23 @@ static int fec_open(struct eth_device *edev)
#endif
miiphy_wait_aneg(edev);
- miiphy_speed(edev->name, fec->phy_id);
+ speed = miiphy_speed(edev->name, fec->phy_id);
miiphy_duplex(edev->name, fec->phy_id);
+#ifdef CONFIG_MX6Q
+ {
+ u32 ecr = readl(&fec->eth->ecntrl) & ~FEC_ECNTRL_SPEED;
+ u32 rcr = (readl(&fec->eth->r_cntrl) &
+ ~(FEC_RCNTRL_RMII | FEC_RCNTRL_RMII_10T)) |
+ FEC_RCNTRL_RGMII | FEC_RCNTRL_MII_MODE;
+ if (speed == _1000BASET)
+ ecr |= FEC_ECNTRL_SPEED;
+ else if (speed != _100BASET)
+ rcr |= FEC_RCNTRL_RMII_10T;
+ writel(ecr, &fec->eth->ecntrl);
+ writel(rcr, &fec->eth->r_cntrl);
+ }
+#endif
+ debug("%s:Speed=%i\n", __func__, speed);
/*
* Enable SmartDMA receive task
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 39337bf..1d6ab06 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -198,6 +198,7 @@ struct ethernet_regs {
#define FEC_RCNTRL_FCE 0x00000020
#define FEC_RCNTRL_RGMII 0x00000040
#define FEC_RCNTRL_RMII 0x00000100
+#define FEC_RCNTRL_RMII_10T 0x00000200
#define FEC_TCNTRL_GTS 0x00000001
#define FEC_TCNTRL_HBC 0x00000002
@@ -207,6 +208,7 @@ struct ethernet_regs {
#define FEC_ECNTRL_RESET 0x00000001 /* reset the FEC */
#define FEC_ECNTRL_ETHER_EN 0x00000002 /* enable the FEC */
+#define FEC_ECNTRL_SPEED 0x00000020
#define FEC_ECNTRL_DBSWAP 0x00000100
#define FEC_X_WMRK_STRFWD 0x00000100
--
1.7.5.4
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