diff options
Diffstat (limited to 'arch/arm/mach-tegra/sleep-t2.S')
-rw-r--r-- | arch/arm/mach-tegra/sleep-t2.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/sleep-t2.S b/arch/arm/mach-tegra/sleep-t2.S index f0e58f0d4b03..f3bd0ca9450a 100644 --- a/arch/arm/mach-tegra/sleep-t2.S +++ b/arch/arm/mach-tegra/sleep-t2.S @@ -70,6 +70,7 @@ #define TEGRA_PMC_VIRT (TEGRA_PMC_BASE - IO_APB_PHYS + IO_APB_VIRT) #define TEGRA_ARM_PERIF_VIRT (TEGRA_ARM_PERIF_BASE - IO_CPU_PHYS + IO_CPU_VIRT) #define TEGRA_CLK_RESET_VIRT (TEGRA_CLK_RESET_BASE - IO_PPSB_PHYS + IO_PPSB_VIRT) +#define TEGRA_PL310_VIRT (TEGRA_ARM_PL310_BASE - IO_PPSB_PHYS + IO_PPSB_VIRT) #ifdef CONFIG_HOTPLUG_CPU /* @@ -258,6 +259,15 @@ ENTRY(tegra2_sleep_wfi) #endif #endif +#ifdef CONFIG_CACHE_L2X0 + /* Issue a PL310 cache sync operation */ + dsb + mov32 r2, TEGRA_PL310_VIRT + 0x730 @ cache sync + add r2, r2, r1 + mov r1, #0 + str r1, [r2] +#endif + pop_ctx_regs r0, r1 @ restore context registers mov pc, lr ENDPROC(tegra2_sleep_wfi) |