diff options
Diffstat (limited to 'arch/arm/mach-s3c64xx/pm.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/pm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index b375cd5c47cb..0868d1331912 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -89,6 +89,8 @@ static struct sleep_save misc_save[] = { SAVE_ITEM(S3C64XX_SDMA_SEL), SAVE_ITEM(S3C64XX_MODEM_MIFPCON), + + SAVE_ITEM(S3C64XX_NORMAL_CFG), }; void s3c_pm_configure_extint(void) @@ -181,10 +183,23 @@ static void s3c64xx_pm_prepare(void) static int s3c64xx_pm_init(void) { + u32 val; + pm_cpu_prep = s3c64xx_pm_prepare; pm_cpu_sleep = s3c64xx_cpu_suspend; pm_uart_udivslot = 1; + /* + * Unconditionally disable power domains that contain only + * blocks which have no mainline driver support. + */ + val = __raw_readl(S3C64XX_NORMAL_CFG); + val &= ~(S3C64XX_NORMALCFG_DOMAIN_G_ON | + S3C64XX_NORMALCFG_DOMAIN_V_ON | + S3C64XX_NORMALCFG_DOMAIN_I_ON | + S3C64XX_NORMALCFG_DOMAIN_P_ON); + __raw_writel(val, S3C64XX_NORMAL_CFG); + #ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK gpio_request(S3C64XX_GPN(12), "DEBUG_LED0"); gpio_request(S3C64XX_GPN(13), "DEBUG_LED1"); |