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mx6sx: Adjust enable_fec_anatop_clock() for mx6solox

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Configure and enable the ethernet clock for mx6solox.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Fabio Estevam 2014-08-15 00:24:30 -03:00 committed by Stefano Babic
parent 080d72f233
commit 5c045cddaa
1 changed files with 21 additions and 0 deletions
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21
arch/arm/cpu/armv7/mx6/clock.c
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@ -373,6 +373,27 @@ int enable_fec_anatop_clock(enum enet_freq freq)
reg &= ~BM_ANADIG_PLL_ENET_BYPASS;
writel(reg, &anatop->pll_enet);
#ifdef CONFIG_MX6SX
/*
* Set enet ahb clock to 200MHz
* pll2_pfd2_396m-> ENET_PODF-> ENET_AHB
*/
reg = readl(&imx_ccm->chsccdr);
reg &= ~(MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_MASK
| MXC_CCM_CHSCCDR_ENET_PODF_MASK
| MXC_CCM_CHSCCDR_ENET_CLK_SEL_MASK);
/* PLL2 PFD2 */
reg |= (4 << MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_OFFSET);
/* Div = 2*/
reg |= (1 << MXC_CCM_CHSCCDR_ENET_PODF_OFFSET);
reg |= (0 << MXC_CCM_CHSCCDR_ENET_CLK_SEL_OFFSET);
writel(reg, &imx_ccm->chsccdr);
/* Enable enet system clock */
reg = readl(&imx_ccm->CCGR3);
reg |= MXC_CCM_CCGR3_ENET_MASK;
writel(reg, &imx_ccm->CCGR3);
#endif
return 0;
}
#endif