summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/cadence
diff options
context:
space:
mode:
authorPatrice Vilchez <patrice.vilchez@atmel.com>2012-10-31 06:04:50 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-01 11:45:56 -0400
commit140b7552fdff04bbceeb842f0e04f0b4015fe97b (patch)
tree20becaf2e1c5aaef994b8aa3e99bfd4928c474a7 /drivers/net/ethernet/cadence
parent65f8f9a1c1db831e5159e3e3e50912d1f214cd0c (diff)
net/macb: Add support for Gigabit Ethernet mode
Add Gigabit Ethernet mode to GEM cadence IP and enable RGMII connection. Signed-off-by: Patrice Vilchez <patrice.vilchez@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence')
-rw-r--r--drivers/net/ethernet/cadence/macb.c15
-rw-r--r--drivers/net/ethernet/cadence/macb.h4
2 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 6a4f4998cfe5..0931cb7469dc 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -152,13 +152,17 @@ static void macb_handle_link_change(struct net_device *dev)
reg = macb_readl(bp, NCFGR);
reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
+ if (macb_is_gem(bp))
+ reg &= ~GEM_BIT(GBE);
if (phydev->duplex)
reg |= MACB_BIT(FD);
if (phydev->speed == SPEED_100)
reg |= MACB_BIT(SPD);
+ if (phydev->speed == SPEED_1000)
+ reg |= GEM_BIT(GBE);
- macb_writel(bp, NCFGR, reg);
+ macb_or_gem_writel(bp, NCFGR, reg);
bp->speed = phydev->speed;
bp->duplex = phydev->duplex;
@@ -216,7 +220,10 @@ static int macb_mii_probe(struct net_device *dev)
}
/* mask with MAC supported features */
- phydev->supported &= PHY_BASIC_FEATURES;
+ if (macb_is_gem(bp))
+ phydev->supported &= PHY_GBIT_FEATURES;
+ else
+ phydev->supported &= PHY_BASIC_FEATURES;
phydev->advertising = phydev->supported;
@@ -1388,7 +1395,9 @@ static int __init macb_probe(struct platform_device *pdev)
bp->phy_interface = err;
}
- if (bp->phy_interface == PHY_INTERFACE_MODE_RMII)
+ if (bp->phy_interface == PHY_INTERFACE_MODE_RGMII)
+ macb_or_gem_writel(bp, USRIO, GEM_BIT(RGMII));
+ else if (bp->phy_interface == PHY_INTERFACE_MODE_RMII)
#if defined(CONFIG_ARCH_AT91)
macb_or_gem_writel(bp, USRIO, (MACB_BIT(RMII) |
MACB_BIT(CLKEN)));
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index a3627517ec95..33a050f85ddf 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -149,6 +149,8 @@
#define MACB_IRXFCS_SIZE 1
/* GEM specific NCFGR bitfields. */
+#define GEM_GBE_OFFSET 10
+#define GEM_GBE_SIZE 1
#define GEM_CLK_OFFSET 18
#define GEM_CLK_SIZE 3
#define GEM_DBW_OFFSET 21
@@ -252,6 +254,8 @@
/* Bitfields in USRIO (AT91) */
#define MACB_RMII_OFFSET 0
#define MACB_RMII_SIZE 1
+#define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */
+#define GEM_RGMII_SIZE 1
#define MACB_CLKEN_OFFSET 1
#define MACB_CLKEN_SIZE 1