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ARM: atmel: spl: can not disable osc for sama5d4

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The SAMA5D4 SoC on chip rc oscillator can not be disabled.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
master
Bo Shen 10 years ago committed by Andreas Bießmann
parent 4514b5f46a
commit 0246b7c3b7
1 changed files with 2 additions and 0 deletions
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  1. 2
      arch/arm/cpu/at91-common/spl_atmel.c

2
arch/arm/cpu/at91-common/spl_atmel.c
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@ -51,11 +51,13 @@ static void switch_to_main_crystal_osc(void)
while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY)) while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY))
; ;
#ifndef CONFIG_SAMA5D4
tmp = readl(&pmc->mor); tmp = readl(&pmc->mor);
tmp &= ~AT91_PMC_MOR_MOSCRCEN; tmp &= ~AT91_PMC_MOR_MOSCRCEN;
tmp &= ~AT91_PMC_MOR_KEY(0xff); tmp &= ~AT91_PMC_MOR_KEY(0xff);
tmp |= AT91_PMC_MOR_KEY(0x37); tmp |= AT91_PMC_MOR_KEY(0x37);
writel(tmp, &pmc->mor); writel(tmp, &pmc->mor);
#endif
} }
__weak void matrix_init(void) __weak void matrix_init(void)

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