diff options
Diffstat (limited to 'arch/arm/mach-tegra/sleep.h')
| -rw-r--r-- | arch/arm/mach-tegra/sleep.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h index a6f6b1740009..02ab870edbbe 100644 --- a/arch/arm/mach-tegra/sleep.h +++ b/arch/arm/mach-tegra/sleep.h @@ -74,8 +74,26 @@ #endif #define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS + IO_PPSB_VIRT) +#define TEGRA_ARM_PERIF_VIRT (TEGRA_ARM_PERIF_BASE - IO_CPU_PHYS + IO_CPU_VIRT) + +#ifdef __ASSEMBLY__ + +/* Macro to exit SMP coherency. */ +.macro exit_smp, tmp1, tmp2 + mrc p15, 0, \tmp1, c1, c0, 1 @ ACTLR + bic \tmp1, \tmp1, #(1<<6) @ clear ACTLR.SMP + mcr p15, 0, \tmp1, c1, c0, 1 @ ACTLR + isb + cpu_id \tmp1 + mov \tmp1, \tmp1, lsl #2 + mov \tmp2, #0xf + mov \tmp2, \tmp2, lsl \tmp1 + mov32 \tmp1, TEGRA_ARM_PERIF_VIRT + 0xC + str \tmp2, [\tmp1] @ invalidate SCU tags for CPU + dsb +.endm -#ifndef __ASSEMBLY__ +#else #define FLOW_CTRL_HALT_CPU(cpu) (IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + \ ((cpu) ? (FLOW_CTRL_HALT_CPU1_EVENTS + 8 * ((cpu) - 1)) : \ |