ARM: atmel: spl: can not disable osc for sama5d4
authorBo Shen <voice.shen@atmel.com>
Mon, 15 Dec 2014 05:24:32 +0000 (13:24 +0800)
committerAndreas Bießmann <andreas.devel@googlemail.com>
Sat, 7 Feb 2015 22:42:47 +0000 (23:42 +0100)
The SAMA5D4 SoC on chip rc oscillator can not be disabled.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arch/arm/cpu/at91-common/spl_atmel.c

index fdea46665f80f76f4e4da7ede1c7e0bb46dcacdb..9cc1111234a16f723519281bbd3fd4f7aae7a531 100644 (file)
@@ -51,11 +51,13 @@ static void switch_to_main_crystal_osc(void)
        while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY))
                ;
 
+#ifndef CONFIG_SAMA5D4
        tmp = readl(&pmc->mor);
        tmp &= ~AT91_PMC_MOR_MOSCRCEN;
        tmp &= ~AT91_PMC_MOR_KEY(0xff);
        tmp |= AT91_PMC_MOR_KEY(0x37);
        writel(tmp, &pmc->mor);
+#endif
 }
 
 __weak void matrix_init(void)