[PATCH 1/2] emac: add missing support of 10mbit in emac/rgmii

From: Ivan Mikhaylov
Date: Mon May 26 2014 - 14:24:34 EST


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@xxxxxxxxxx>

---
drivers/net/ethernet/ibm/emac/rgmii.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ibm/emac/rgmii.c b/drivers/net/ethernet/ibm/emac/rgmii.c
index 4fb2f96..a01182c 100644
--- 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);

--
1.9.3



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