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Diffstat (limited to 'arch/arm/mach-rockchip/pm.c')
-rw-r--r--arch/arm/mach-rockchip/pm.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/mach-rockchip/pm.c b/arch/arm/mach-rockchip/pm.c
index 50cb781aaa36..b07d88602073 100644
--- a/arch/arm/mach-rockchip/pm.c
+++ b/arch/arm/mach-rockchip/pm.c
@@ -75,9 +75,13 @@ static void rk3288_slp_mode_set(int level)
regmap_read(pmu_regmap, RK3288_PMU_PWRMODE_CON,
&rk3288_pmu_pwr_mode_con);
- /* set bit 8 so that system will resume to FAST_BOOT_ADDR */
+ /*
+ * SGRF_FAST_BOOT_EN - system to boot from FAST_BOOT_ADDR
+ * PCLK_WDT_GATE - disable WDT during suspend.
+ */
regmap_write(sgrf_regmap, RK3288_SGRF_SOC_CON0,
- SGRF_FAST_BOOT_EN | SGRF_FAST_BOOT_EN_WRITE);
+ SGRF_PCLK_WDT_GATE | SGRF_FAST_BOOT_EN
+ | SGRF_PCLK_WDT_GATE_WRITE | SGRF_FAST_BOOT_EN_WRITE);
/* booting address of resuming system is from this register value */
regmap_write(sgrf_regmap, RK3288_SGRF_FAST_BOOT_ADDR,
@@ -122,7 +126,8 @@ static void rk3288_slp_mode_set_resume(void)
rk3288_pmu_pwr_mode_con);
regmap_write(sgrf_regmap, RK3288_SGRF_SOC_CON0,
- rk3288_sgrf_soc_con0 | SGRF_FAST_BOOT_EN_WRITE);
+ rk3288_sgrf_soc_con0 | SGRF_PCLK_WDT_GATE_WRITE
+ | SGRF_FAST_BOOT_EN_WRITE);
}
static int rockchip_lpmode_enter(unsigned long arg)
@@ -209,6 +214,9 @@ static int rk3288_suspend_init(struct device_node *np)
memcpy(rk3288_bootram_base, rockchip_slp_cpu_resume,
rk3288_bootram_sz);
+ regmap_write(pmu_regmap, RK3288_PMU_OSC_CNT, OSC_STABL_CNT_THRESH);
+ regmap_write(pmu_regmap, RK3288_PMU_STABL_CNT, PMU_STABL_CNT_THRESH);
+
return 0;
}