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-rw-r--r--arch/arm/mach-sunxi/dram_helpers.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-sunxi/dram_helpers.c b/arch/arm/mach-sunxi/dram_helpers.c
index 50318d2eb6b..e0c823a4dd6 100644
--- a/arch/arm/mach-sunxi/dram_helpers.c
+++ b/arch/arm/mach-sunxi/dram_helpers.c
@@ -7,6 +7,7 @@
*/
#include <common.h>
+#include <asm/armv7.h>
#include <asm/io.h>
#include <asm/arch/dram.h>
@@ -31,6 +32,7 @@ bool mctl_mem_matches(u32 offset)
/* Try to write different values to RAM at two addresses */
writel(0, CONFIG_SYS_SDRAM_BASE);
writel(0xaa55aa55, (ulong)CONFIG_SYS_SDRAM_BASE + offset);
+ DSB;
/* Check if the same value is actually observed when reading back */
return readl(CONFIG_SYS_SDRAM_BASE) ==
readl((ulong)CONFIG_SYS_SDRAM_BASE + offset);