To support LP1, we need to hook sleep_core function. That will turn off MMU and jump to the IRAM to execute the rest of LP1 suspend function. And we need the the LP1 IRAM addr to backup the original content and replace it with LP1 low level support code. Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/pm.c | 8 ++++++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index de3748e..019bb17 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -36,6 +36,7 @@ ifeq ($(CONFIG_CPU_IDLE),y) obj-$(CONFIG_ARCH_TEGRA_114_SOC) += cpuidle-tegra114.o endif obj-$(CONFIG_ARCH_TEGRA_124_SOC) += sleep-tegra30.o +obj-$(CONFIG_ARCH_TEGRA_124_SOC) += pm-tegra30.o ifeq ($(CONFIG_CPU_IDLE),y) obj-$(CONFIG_ARCH_TEGRA_124_SOC) += cpuidle-tegra114.o endif diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index 14e75b7..4ae0286 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -218,8 +218,10 @@ static bool tegra_lp1_iram_hook(void) break; case TEGRA30: case TEGRA114: + case TEGRA124: if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) || - IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra30_lp1_iram_hook(); break; default: @@ -246,8 +248,10 @@ static bool tegra_sleep_core_init(void) break; case TEGRA30: case TEGRA114: + case TEGRA124: if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) || - IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra30_sleep_core_init(); break; default: -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
