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authorStefan Roese <sr@denx.de>2008-04-03 14:50:34 +0200
committerStefan Roese <sr@denx.de>2008-04-03 14:50:34 +0200
commite54ec0f016803e4d9524ff71f7971bda0c51b287 (patch)
treed9c74c5fddf3e8a073b9cec8004844b66c1267a9 /cpu
parent1c2926abdd7db89296a8cc7f224dd9d5d4e37a56 (diff)
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ppc4xx: Fix 4xx enet driver to support 460GT EMAC2+3
This patch fixes a problem with the RGMII setup of the 460GT. The 460GT has 2 RGMII instances and we need to configure the 2nd RGMII instance for the EMAC2+3 channels. Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'cpu')
-rw-r--r--cpu/ppc4xx/4xx_enet.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 21ba922..007cb4f 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -717,6 +717,11 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
#ifdef CONFIG_4xx_DCACHE
static u32 last_used_ea = 0;
#endif
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
+ defined(CONFIG_405EX)
+ int rgmii_channel;
+#endif
EMAC_4XX_HW_PST hw_p = dev->priv;
@@ -1022,12 +1027,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
defined(CONFIG_405EX)
+ if (devnum >= 2)
+ rgmii_channel = devnum - 2;
+ else
+ rgmii_channel = devnum;
+
if (speed == 1000)
- reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum));
+ reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V(rgmii_channel));
else if (speed == 100)
- reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V (devnum));
+ reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V(rgmii_channel));
else if (speed == 10)
- reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V (devnum));
+ reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V(rgmii_channel));
else {
printf("Error in RGMII Speed\n");
return -1;