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rk30: reset: pll enter slow mode when reset

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slow down core periph. fix unable to boot sometime.
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黄涛
2012-05-27 19:11:44 +08:00
parent aeb4f125a5
commit 6583eddfe8
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mach-rk30/reset.c
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@@ -29,6 +29,8 @@ static void rk30_arch_reset(char mode, const char *cmd)
dsb();
/* disable remap */
writel_relaxed(1 << (12 + 16), RK30_GRF_BASE + GRF_SOC_CON0);
/* pll enter slow mode */
writel_relaxed(PLL_MODE_SLOW(APLL_ID) | PLL_MODE_SLOW(CPLL_ID) | PLL_MODE_SLOW(GPLL_ID), RK30_CRU_BASE + CRU_MODE_CON);
dsb();
writel_relaxed(0xeca8, RK30_CRU_BASE + CRU_GLB_SRST_SND);
dsb();