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-rw-r--r--arch/arm/mm/cache-tauros2.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-tauros2.c b/arch/arm/mm/cache-tauros2.c
index 1fbca05..23a7643 100644
--- a/arch/arm/mm/cache-tauros2.c
+++ b/arch/arm/mm/cache-tauros2.c
@@ -108,6 +108,26 @@ static void tauros2_flush_range(unsigned long start, unsigned long end)
dsb();
}
+
+static void tauros2_disable(void)
+{
+ __asm__ __volatile__ (
+ "mcr p15, 1, %0, c7, c11, 0 @L2 Cache Clean All\n\t"
+ "mrc p15, 0, %0, c1, c0, 0\n\t"
+ "bic %0, %0, #(1 << 26)\n\t"
+ "mcr p15, 0, %0, c1, c0, 0 @Disable L2 Cache\n\t"
+ : : "r" (0x0));
+}
+
+static void tauros2_resume(void)
+{
+ __asm__ __volatile__ (
+ "mcr p15, 1, %0, c7, c7, 0 @L2 Cache Invalidate All\n\t"
+ "mrc p15, 0, %0, c1, c0, 0\n\t"
+ "orr %0, %0, #(1 << 26)\n\t"
+ "mcr p15, 0, %0, c1, c0, 0 @Enable L2 Cache\n\t"
+ : : "r" (0x0));
+}
#endif
static inline u32 __init read_extra_features(void)
@@ -194,6 +214,8 @@ void __init tauros2_init(void)
outer_cache.inv_range = tauros2_inv_range;
outer_cache.clean_range = tauros2_clean_range;
outer_cache.flush_range = tauros2_flush_range;
+ outer_cache.disable = tauros2_disable;
+ outer_cache.resume = tauros2_resume;
}
#endif
@@ -219,6 +241,8 @@ void __init tauros2_init(void)
outer_cache.inv_range = tauros2_inv_range;
outer_cache.clean_range = tauros2_clean_range;
outer_cache.flush_range = tauros2_flush_range;
+ outer_cache.disable = tauros2_disable;
+ outer_cache.resume = tauros2_resume;
}
#endif