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authorHiroshi Doyu <hdoyu@nvidia.com>2013-01-22 07:52:02 +0200
committerStephen Warren <swarren@nvidia.com>2013-01-28 10:41:18 -0700
commit909444ab20629ebc4478642b660a391700aa7e33 (patch)
tree20bf347dd68da2b68c9adc6878612e7cd3e4b5ee /arch/arm/mach-tegra/platsmp.c
parente9d6b3358ac35901ccc6a4a5a317670fa469db25 (diff)
ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9
Skip scu_enable(scu_base) if CPU is not Cortex A9 with SCU. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/platsmp.c')
-rw-r--r--arch/arm/mach-tegra/platsmp.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 79fa7857d68..8127d766fcf 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -36,8 +36,6 @@
extern void tegra_secondary_startup(void);
-static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
-
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
@@ -151,7 +149,8 @@ static void __init tegra_smp_init_cpus(void)
static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
{
tegra_cpu_reset_handler_init();
- scu_enable(scu_base);
+ if (scu_a9_has_base())
+ scu_enable(IO_ADDRESS(scu_a9_get_base()));
}
struct smp_operations tegra_smp_ops __initdata = {