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ARM: rockchip: rv1106: pm: fix error when WAKEUP_TO_SYSTEM_RESET

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Signed-off-by: XiaoDong Huang <derrick.huang@rock-chips.com>
Change-Id: I5136c90c75001d473543365f6aa31a532b84506f
This commit is contained in:
XiaoDong Huang
2023-07-07 10:14:48 +08:00
committed by Tao Huang
parent 93574e5e31
commit d0632dae5c
2 changed files with 14 additions and 1 deletions
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13
arch/arm/mach-rockchip/rv1106_pm.c
View File

@@ -1036,7 +1036,18 @@ static int rockchip_lpmode_enter(unsigned long arg)
cpu_do_idle();
pr_err("%s: Failed to suspend\n", __func__);
#if RV1106_WAKEUP_TO_SYSTEM_RESET
/* If reaches here, it means wakeup source cames before cpu enter wfi.
* So we should do system reset if RV1106_WAKEUP_TO_SYSTEM_RESET.
*/
writel_relaxed(0x000c000c, cru_base + RV1106_CRU_GLB_RST_CON);
writel_relaxed(0xffff0000, pmugrf_base + RV1106_PMUGRF_SOC_CON(4));
writel_relaxed(0xffff0000, pmugrf_base + RV1106_PMUGRF_SOC_CON(5));
dsb(sy);
writel_relaxed(0xfdb9, cru_base + RV1106_CRU_GLB_SRST_FST);
#endif
rkpm_printstr("Failed to suspend\n");
return 1;
}

2
arch/arm/mach-rockchip/rv1106_pm.h
View File

@@ -72,6 +72,8 @@
#define RV1106_CRU_MODE_CON00 0x280
#define RV1106_CRU_GATE_CON(i) (0x800 + (i) * 4)
#define RV1106_CRU_GATE_CON_NUM 4
#define RV1106_CRU_GLB_SRST_FST 0xc08
#define RV1106_CRU_GLB_RST_CON 0xc10
#define CRU_PLLCON1_PWRDOWN BIT(13)
#define CRU_PLLCON1_LOCK_STATUS BIT(10)