ColdFire:Add mb for 5253 dram initialization

[oweals/u-boot.git] / board / freescale / m5253demo / m5253demo.c

diff --git a/board/freescale/m5253demo/m5253demo.c b/board/freescale/m5253demo/m5253demo.c
index 4772074d81fb94e55672804ecd2235c492f5b33d..8ffb2cc0447d9df58cf48523619f87af7687ef59 100644 (file)
--- a/board/freescale/m5253demo/m5253demo.c
+++ b/board/freescale/m5253demo/m5253demo.c
@@ -27,6 +27,7 @@
 #include <common.h>
 #include <asm/immap.h>
 #include <netdev.h>
+#include <asm/io.h>
 
 int checkboard(void)
 {
@@ -63,10 +64,12 @@ phys_size_t initdram(int board_type)
                __asm__("nop");
 
                mbar_writeLong(MCFSIM_DACR0, 0x0000322c);
+               mb();
                __asm__("nop");
 
                /* Write to this block to initiate precharge */
                *(u32 *) (CONFIG_SYS_SDRAM_BASE) = 0xa5a5a5a5;
+               mb();
                __asm__("nop");
 
                /* Set RE bit in DACR */
@@ -83,6 +86,7 @@ phys_size_t initdram(int board_type)
                __asm__("nop");
 
                *(u32 *) (CONFIG_SYS_SDRAM_BASE + 0x800) = 0xa5a5a5a5;
+               mb();
        }
 
        return dramsize;