From c497db9c822aa9ff9b49d4bb668974ecc5013aaf Mon Sep 17 00:00:00 2001 From: Xinyu Chen Date: Thu, 18 Mar 2010 09:15:21 +0800 Subject: ENGR00121653 MX53 Add FEC support Add FEC support for MX53 EVK Signed-off-by: Xinyu Chen Signed-off-by: Alejandro Gonzalez --- drivers/net/fec.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/fec.c b/drivers/net/fec.c index f5ef6b5c3e07..60d8f3694644 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -2000,7 +2000,9 @@ 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 */ @@ -2011,11 +2013,18 @@ 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. */ -- cgit v1.2.3