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rk312x: pmu reset by second global soft reset

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Signed-off-by: 陈亮 <cl@rock-chips.com>
This commit is contained in:
陈亮
2014-08-25 23:12:02 -07:00
parent 94c0b96185
commit bc8231a2d1
1 changed files with 9 additions and 1 deletions
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10
arch/arm/mach-rockchip/rk312x.c
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@@ -104,10 +104,18 @@ static void usb_uart_init(void)
static void __init rk312x_dt_map_io(void)
{
u32 v;
iotable_init(rk312x_io_desc, ARRAY_SIZE(rk312x_io_desc));
debug_ll_io_init();
usb_uart_init();
/* pmu reset by second global soft reset */
v = readl_relaxed(RK_CRU_VIRT + RK312X_CRU_GLB_CNT_TH);
v &= ~(3 << 12);
v |= 1 << 12;
writel_relaxed(v, RK_CRU_VIRT + RK312X_CRU_GLB_CNT_TH);
/* enable timer5 for core */
writel_relaxed(0, RK312X_TIMER5_VIRT + 0x10);
dsb();
@@ -349,7 +357,7 @@ static void rk312x_restart(char mode, const char *cmd)
dsb();
/* pll enter slow mode */
writel_relaxed(0x30110000, RK_CRU_VIRT + RK312X_CRU_MODE_CON);
writel_relaxed(0x11010000, RK_CRU_VIRT + RK312X_CRU_MODE_CON);
dsb();
writel_relaxed(0xeca8, RK_CRU_VIRT + RK312X_CRU_GLB_SRST_SND_VALUE);
dsb();