starred/linux-legacy
1
0
Fork 0
mirror of https://github.com/genesi/linux-legacy.git synced 2026-09-22 22:56:06 +00:00
Code Issues 2 Packages Projects Releases Wiki Activity

ENGR00121653 MX53 Add FEC support

Browse Source 
Add FEC support for MX53 EVK

Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
This commit is contained in:
Xinyu Chen
2010-03-18 09:15:21 +08:00
committed by Matt Sealey
parent bce56e48c2
commit e148a45ce4
1 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/fec.c
View File

@@ -1976,7 +1976,9 @@ fec_restart(struct net_device *dev, int duplex)
writel(0, fep->hwp + FEC_HASH_TABLE_LOW);
#endif
#ifdef CONFIG_ARCH_MXC
if (cpu_is_mx25()) {
if (cpu_is_mx25() || cpu_is_mx53()) {
unsigned int val;
/*
* Set up the MII gasket for RMII mode
*/
@@ -1987,11 +1989,18 @@ fec_restart(struct net_device *dev, int duplex)
while (__raw_readl(fep->hwp + FEC_MIIGSK_ENR) & FEC_MIIGSK_ENR_READY)
udelay(1);
val = FEC_MIIGSK_CFGR_IF_MODE_RMII;
if (cpu_is_mx53() &&
fep->phy_status & (PHY_STAT_10FDX | PHY_STAT_10HDX)) /* 10Mb */
val |= FEC_MIIGSK_CFGR_FRCONT;
/* configure the gasket for RMII, 50 MHz, no loopback, no echo */
__raw_writel(FEC_MIIGSK_CFGR_IF_MODE_RMII, fep->hwp + FEC_MIIGSK_CFGR);
__raw_writel(val, fep->hwp + FEC_MIIGSK_CFGR);
/* re-enable the gasket */
__raw_writel(FEC_MIIGSK_ENR_EN, fep->hwp + FEC_MIIGSK_ENR);
while (!(__raw_readl(fep->hwp + FEC_MIIGSK_ENR)
& FEC_MIIGSK_ENR_READY))
udelay(1);
}
#endif
/* Set maximum receive buffer size. */