diff options
| -rw-r--r-- | src/cpu/samsung/exynos5250/power.c | 5 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5250/power.h | 8 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5250/wakeup.c | 5 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5250/wakeup.h | 1 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5420/power.c | 5 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5420/power.h | 10 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5420/wakeup.c | 5 | ||||
| -rw-r--r-- | src/cpu/samsung/exynos5420/wakeup.h | 1 |
8 files changed, 37 insertions, 3 deletions
diff --git a/src/cpu/samsung/exynos5250/power.c b/src/cpu/samsung/exynos5250/power.c index e873129f64..c9d620a958 100644 --- a/src/cpu/samsung/exynos5250/power.c +++ b/src/cpu/samsung/exynos5250/power.c @@ -83,3 +83,8 @@ void power_enable_xclkout(void) clrsetbits_le32(&exynos_power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, PMU_DEBUG_XXTI); } + +void power_release_uart_retention(void) +{ + writel(1 << 28, &exynos_power->padret_uart_opt); +} diff --git a/src/cpu/samsung/exynos5250/power.h b/src/cpu/samsung/exynos5250/power.h index df68b53dbd..5ea73c7ef8 100644 --- a/src/cpu/samsung/exynos5250/power.h +++ b/src/cpu/samsung/exynos5250/power.h @@ -59,7 +59,9 @@ struct exynos5_power { uint32_t inform1; /* 0x0804 */ uint8_t reserved6[0x1f8]; uint32_t pmu_debug; /* 0x0A00*/ - uint8_t reserved7[0x2908]; + uint8_t reserved7[0x2728]; + uint32_t padret_uart_opt; /* 0x3128 */ + uint8_t reserved8[0x1e0]; uint32_t ps_hold_ctrl; /* 0x330c */ } __attribute__ ((__packed__)); @@ -90,4 +92,8 @@ void power_exit_wakeup(void); /* pmu debug is used for xclkout, enable xclkout with source as XXTI */ void power_enable_xclkout(void); +/* Release UART retention on resume (only for debugging, may conflict with + * kernel). */ +void power_release_uart_retention(void); + #endif diff --git a/src/cpu/samsung/exynos5250/wakeup.c b/src/cpu/samsung/exynos5250/wakeup.c index 02f2ccd2db..b7161cf935 100644 --- a/src/cpu/samsung/exynos5250/wakeup.c +++ b/src/cpu/samsung/exynos5250/wakeup.c @@ -48,3 +48,8 @@ int get_wakeup_state(void) return IS_NOT_WAKEUP; } + +void wakeup_enable_uart(void) +{ + power_release_uart_retention(); +} diff --git a/src/cpu/samsung/exynos5250/wakeup.h b/src/cpu/samsung/exynos5250/wakeup.h index d38b52f7ed..690c6a3262 100644 --- a/src/cpu/samsung/exynos5250/wakeup.h +++ b/src/cpu/samsung/exynos5250/wakeup.h @@ -38,5 +38,6 @@ enum { int wakeup_need_reset(void); int get_wakeup_state(void); void wakeup(void); +void wakeup_enable_uart(void); #endif /* CPU_SAMSUNG_EXYNOS5250_WAKEUP_H */ diff --git a/src/cpu/samsung/exynos5420/power.c b/src/cpu/samsung/exynos5420/power.c index f649006f95..ecaf208c9c 100644 --- a/src/cpu/samsung/exynos5420/power.c +++ b/src/cpu/samsung/exynos5420/power.c @@ -85,3 +85,8 @@ void power_enable_xclkout(void) clrsetbits_le32(&exynos_power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, PMU_DEBUG_XXTI); } + +void power_release_uart_retention(void) +{ + writel(1 << 28, &exynos_power->padret_uart_opt); +} diff --git a/src/cpu/samsung/exynos5420/power.h b/src/cpu/samsung/exynos5420/power.h index a89ee9dca8..fd1eac5768 100644 --- a/src/cpu/samsung/exynos5420/power.h +++ b/src/cpu/samsung/exynos5420/power.h @@ -70,9 +70,11 @@ struct exynos5_power { } arm_core[4]; uint8_t reserved9[0xe04]; uint32_t padret_dram_status; /* 0x3004 */ - uint8_t reservedA[0x1e0]; + uint8_t reservedA[0xe0]; + uint32_t padret_uart_opt; /* 0x30e8 */ + uint8_t reservedB[0xfc]; uint32_t padret_dram_cblk_opt; /* 0x31e8 */ - uint8_t reservedB[0x120]; + uint8_t reservedC[0x120]; uint32_t ps_hold_ctrl; /* 0x330c */ } __attribute__ ((__packed__)); @@ -103,4 +105,8 @@ void power_exit_wakeup(void); /* pmu debug is used for xclkout, enable xclkout with source as XXTI */ void power_enable_xclkout(void); +/* Release UART retention on resume (only for debugging, may conflict with + * kernel). */ +void power_release_uart_retention(void); + #endif diff --git a/src/cpu/samsung/exynos5420/wakeup.c b/src/cpu/samsung/exynos5420/wakeup.c index 9d3f065233..753afd9591 100644 --- a/src/cpu/samsung/exynos5420/wakeup.c +++ b/src/cpu/samsung/exynos5420/wakeup.c @@ -51,3 +51,8 @@ int get_wakeup_state(void) return IS_NOT_WAKEUP; } + +void wakeup_enable_uart(void) +{ + power_release_uart_retention(); +} diff --git a/src/cpu/samsung/exynos5420/wakeup.h b/src/cpu/samsung/exynos5420/wakeup.h index 2658875e1a..27ce8e2f2d 100644 --- a/src/cpu/samsung/exynos5420/wakeup.h +++ b/src/cpu/samsung/exynos5420/wakeup.h @@ -38,5 +38,6 @@ enum { int wakeup_need_reset(void); int get_wakeup_state(void); void wakeup(void); +void wakeup_enable_uart(void); #endif /* CPU_SAMSUNG_EXYNOS5420_WAKEUP_H */ |