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ARM: atmel: clock: make it possible to configure HMX32 

Signed-off-by: Bo Shen <voice.shen@atmel.com>
This commit is contained in:
Bo Shen 2014-12-15 13:24:27 +08:00 committed by Andreas Bießmann
parent 7f641d53bb
commit 05084443f0
1 changed files with 8 additions and 0 deletions
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8
arch/arm/cpu/armv7/at91/clock.c
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@ -130,10 +130,18 @@ void at91_mck_init(u32 mckr)
AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_PRES_MASK |
AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_MDIV_MASK |
AT91_PMC_MCKR_PLLADIV_2); AT91_PMC_MCKR_PLLADIV_2);
#ifdef CPU_HAS_H32MXDIV
tmp &= ~AT91_PMC_MCKR_H32MXDIV;
#endif
tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK | tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK |
AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_PRES_MASK |
AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_MDIV_MASK |
AT91_PMC_MCKR_PLLADIV_2); AT91_PMC_MCKR_PLLADIV_2);
#ifdef CPU_HAS_H32MXDIV
tmp |= mckr & AT91_PMC_MCKR_H32MXDIV;
#endif
writel(tmp, &pmc->mckr); writel(tmp, &pmc->mckr);
while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY))