diff options
Diffstat (limited to 'arch/arm/mach-stm32mp/cpu.c')
| -rw-r--r-- | arch/arm/mach-stm32mp/cpu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c index ed7d9f61dc..6a71465494 100644 --- a/arch/arm/mach-stm32mp/cpu.c +++ b/arch/arm/mach-stm32mp/cpu.c @@ -35,7 +35,9 @@ #define TAMP_CR1 (STM32_TAMP_BASE + 0x00) #define PWR_CR1 (STM32_PWR_BASE + 0x00) +#define PWR_MCUCR (STM32_PWR_BASE + 0x14) #define PWR_CR1_DBP BIT(8) +#define PWR_MCUCR_SBF BIT(6) /* DBGMCU register */ #define DBGMCU_IDC (STM32_DBGMCU_BASE + 0x00) @@ -206,6 +208,11 @@ int arch_cpu_init(void) security_init(); update_bootmode(); #endif + /* Reset Coprocessor state unless it wakes up from Standby power mode */ + if (!(readl(PWR_MCUCR) & PWR_MCUCR_SBF)) { + writel(TAMP_COPRO_STATE_OFF, TAMP_COPRO_STATE); + writel(0, TAMP_COPRO_RSC_TBL_ADDRESS); + } #endif boot_mode = get_bootmode(); |