arm64: add better and more generic spin-table support

[oweals/u-boot.git] / arch / arm / lib / cache.c

diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index cd13db3440ddf783e0cb8089e4cd5724a90e7831..3bd87105c58bb760048f127c5e292ae9fec0362e 100644 (file)
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -88,3 +88,14 @@ phys_addr_t noncached_alloc(size_t size, size_t align)
        return next;
 }
 #endif /* CONFIG_SYS_NONCACHED_MEMORY */
+
+#if defined(CONFIG_SYS_THUMB_BUILD)
+void invalidate_l2_cache(void)
+{
+       unsigned int val = 0;
+
+       asm volatile("mcr p15, 1, %0, c15, c11, 0 @ invl l2 cache"
+               : : "r" (val) : "cc");
+       isb();
+}
+#endif