diff options
Diffstat (limited to 'arch/arm/mach-tegra/sleep.h')
| -rw-r--r-- | arch/arm/mach-tegra/sleep.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h index d0c7a8b1c885..0f047eb3ca2e 100644 --- a/arch/arm/mach-tegra/sleep.h +++ b/arch/arm/mach-tegra/sleep.h @@ -19,6 +19,8 @@ #include <mach/iomap.h> +#define TEGRA_ARM_PERIF_VIRT (TEGRA_ARM_PERIF_BASE - IO_CPU_PHYS \ + + IO_CPU_VIRT) #define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \ + IO_PPSB_VIRT) @@ -52,5 +54,28 @@ movw \reg, #:lower16:\val movt \reg, #:upper16:\val .endm + +/* Macro to exit SMP coherency. */ +.macro exit_smp, tmp1, tmp2 + mrc p15, 0, \tmp1, c1, c0, 1 @ ACTLR + bic \tmp1, \tmp1, #(1<<6) | (1<<0) @ clear ACTLR.SMP | ACTLR.FW + 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 +#else + +#ifdef CONFIG_HOTPLUG_CPU +void tegra30_hotplug_init(void); +#else +static inline void tegra30_hotplug_init(void) {} +#endif + #endif #endif |