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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>
utp
Stefan Roese 2008-04-03 14:50:34 +02:00
parent 1c2926abdd
commit e54ec0f016
1 changed files with 13 additions and 3 deletions
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16
cpu/ppc4xx/4xx_enet.c
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@ -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;