diff options
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index bb17345..d135169 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -51,6 +51,7 @@ #define PMC_CNTRL_CPU_PWRREQ_POLARITY (1 << 15) /* CPU pwr req polarity */ #define PMC_CNTRL_CPU_PWRREQ_OE (1 << 16) /* CPU pwr req enable */ #define PMC_CNTRL_INTR_POLARITY (1 << 17) /* inverts INTR polarity */ +#define PMC_CNTRL_MAIN_RST (1 << 4) #define DPD_SAMPLE 0x020 #define DPD_SAMPLE_ENABLE (1 << 0) @@ -80,6 +81,14 @@ #define PMC_SENSOR_CTRL_SCRATCH_WRITE (1 << 2) #define PMC_SENSOR_CTRL_ENABLE_RST (1 << 1) +#define PMC_RST_STATUS 0x1b4 +#define PMC_RST_STATUS_POR 0 +#define PMC_RST_STATUS_WATCHDOG 1 +#define PMC_RST_STATUS_SENSOR 2 +#define PMC_RST_STATUS_SW_MAIN 3 +#define PMC_RST_STATUS_LP0 4 +#define PMC_RST_STATUS_AOTAG 5 + #define IO_DPD_REQ 0x1b8 #define IO_DPD_REQ_CODE_IDLE (0 << 30) #define IO_DPD_REQ_CODE_OFF (1 << 30) @@ -638,9 +647,10 @@ static int tegra_pmc_restart_notify(struct notifier_block *this, tegra_pmc_writel(value, PMC_SCRATCH0); - value = tegra_pmc_readl(0); - value |= 0x10; - tegra_pmc_writel(value, 0); + /* reset everything but PMC_SCRATCH0 and PMC_RST_STATUS */ + value = tegra_pmc_readl(PMC_CNTRL); + value |= PMC_CNTRL_MAIN_RST; + tegra_pmc_writel(value, PMC_CNTRL); return NOTIFY_DONE; } |
