diff options
| author | Gary King <gking@nvidia.com> | 2010-04-07 10:31:54 -0700 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-04-08 20:07:38 -0700 |
| commit | e7f3cf8b374c86cd12872f443c43ed8248692300 (patch) | |
| tree | c00459cb94b4b66dcaf2df27af2cf88e6e583bee /arch/arm/mach-tegra/common.c | |
| parent | 76e5fe38038b4bcaa994a4d4f0b36c6e3738a8bb (diff) | |
[ARM] tegra: implement tegra-specific arm_pm_restart
tegra systems must ensure that all slave CPUs are in reset and that the
L1 and L2 caches are flushed prior to triggering the system reset.
Change-Id: Iddc99dfd814778492b232f209ab37e14f25ab805
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 838bb5d8266c..80379c10788e 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -21,11 +21,23 @@ #include <linux/io.h> #include <asm/hardware/cache-l2x0.h> +#include <asm/cacheflush.h> +#include <asm/outercache.h> #include <mach/iomap.h> #include "board.h" +extern int disable_nonboot_cpus(void); + +static void tegra_machine_restart(char mode, const char *cmd) +{ + disable_nonboot_cpus(); + flush_cache_all(); + outer_shutdown(); + arm_machine_restart(mode, cmd); +} + void __init tegra_init_cache(void) { #ifdef CONFIG_CACHE_L2X0 @@ -42,4 +54,5 @@ void __init tegra_common_init(void) { tegra_init_clock(); tegra_init_cache(); + arm_pm_restart = tegra_machine_restart; } |