X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fmach-sunxi%2Fdram_helpers.c;h=95143d19ab50fa4f86c41888fad6ee0c9ae492dd;hb=4125bbcef6a998ce8580a1f5c53c8c93a56a125b;hp=9a94e1b6795ed7d131d9d7382af4cf676be8fce7;hpb=e6e505b93cb3fd264227c65ae1bfc9e4681555d8;p=u-boot

diff --git a/arch/arm/mach-sunxi/dram_helpers.c b/arch/arm/mach-sunxi/dram_helpers.c
index 9a94e1b679..95143d19ab 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/barriers.h>
 #include <asm/io.h>
 #include <asm/arch/dram.h>
 
@@ -30,8 +31,9 @@ bool mctl_mem_matches(u32 offset)
 {
 	/* Try to write different values to RAM at two addresses */
 	writel(0, CONFIG_SYS_SDRAM_BASE);
-	writel(0xaa55aa55, CONFIG_SYS_SDRAM_BASE + offset);
+	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(CONFIG_SYS_SDRAM_BASE + offset);
+	       readl((ulong)CONFIG_SYS_SDRAM_BASE + offset);
 }