NAND: Fix cache and memory inconsistency issue

[karo-tx-uboot.git] / nand_spl / nand_boot_fsl_elbc.c

diff --git a/nand_spl/nand_boot_fsl_elbc.c b/nand_spl/nand_boot_fsl_elbc.c
index 4a961ea7b01fdca8647762aaced8caeacbc08261..0d0c44e1e366d3343b8b5e14bfbe6fbe122f8d20 100644 (file)
--- a/nand_spl/nand_boot_fsl_elbc.c
+++ b/nand_spl/nand_boot_fsl_elbc.c
@@ -143,6 +143,11 @@ void nand_boot(void)
         * Jump to U-Boot image
         */
        puts("transfering control\n");
+       /*
+        * Clean d-cache and invalidate i-cache, to
+        * make sure that no stale data is executed.
+        */
+       flush_cache(CONFIG_SYS_NAND_U_BOOT_DST, CONFIG_SYS_NAND_U_BOOT_SIZE);
        uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
        uboot();
 }