emac: add missing support of 10mbit in emac/rgmii

In chips of emac/rgmii b'000' for 0/1 channel isn't suitable which
resulted in non working network interface in this mode.

Signed-off-by: Ivan Mikhaylov <ivan@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ibm/emac/rgmii.c b/drivers/net/ethernet/ibm/emac/rgmii.c
index 4fb2f96..a01182c 100644 (file)
--- a/drivers/net/ethernet/ibm/emac/rgmii.c
+++ b/drivers/net/ethernet/ibm/emac/rgmii.c
@@ -45,6 +45,7 @@
 
 /* RGMIIx_SSR */
 #define RGMII_SSR_MASK(idx)    (0x7 << ((idx) * 8))
+#define RGMII_SSR_10(idx)      (0x1 << ((idx) * 8))
 #define RGMII_SSR_100(idx)     (0x2 << ((idx) * 8))
 #define RGMII_SSR_1000(idx)    (0x4 << ((idx) * 8))
 
@@ -139,6 +140,8 @@ void rgmii_set_speed(struct platform_device *ofdev, int input, int speed)
                ssr |= RGMII_SSR_1000(input);
        else if (speed == SPEED_100)
                ssr |= RGMII_SSR_100(input);
+       else if (speed == SPEED_10)
+               ssr |= RGMII_SSR_10(input);
 
        out_be32(&p->ssr, ssr);