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fec_mxc: cleanup and factor out MX27 dependencies

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general cleanup
move clock init to cpu_eth_init in cpu/arm926ejs/mx27/generic.c
make MX27 specific phy init conditional on CONFIG_MX27
replace call to imx_get_ahbclk with one to imx_get_fecclk
and define imx_get_fecclk in include/asm-arm/arch-mx27/clock.h

Signed-off-by: John Rigby <jcrigby@gmail.com>
CC: Ben Warren <biggerbadderben@gmail.com>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>
This commit is contained in:
John Rigby
2010-01-25 23:12:55 -07:00
committed by Tom Rix
parent 552ff8f1d9
commit cb17b92de0
3 changed files with 15 additions and 6 deletions
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5
cpu/arm926ejs/mx27/generic.c
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@@ -166,6 +166,11 @@ int print_cpuinfo (void)
int cpu_eth_init(bd_t *bis)
{
#if defined(CONFIG_FEC_MXC)
struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
/* enable FEC clock */
writel(readl(&pll->pccr1) | PCCR1_HCLK_FEC, &pll->pccr1);
writel(readl(&pll->pccr0) | PCCR0_FEC_EN, &pll->pccr0);
return fecmxc_initialize(bis);
#else
return 0;