diff --git a/src/cpu/samsung/exynos5420/alternate_cbfs.c b/src/cpu/samsung/exynos5420/alternate_cbfs.c
index 49c9d4c194..3b50b66a00 100644
--- a/src/cpu/samsung/exynos5420/alternate_cbfs.c
+++ b/src/cpu/samsung/exynos5420/alternate_cbfs.c
@@ -22,6 +22,7 @@
 #include <cbfs.h>  /* This driver serves as a CBFS media source. */
 #include <stdlib.h>
 #include <string.h>
+#include <arch/cache.h>
 #include <console/console.h>
 #include "alternate_cbfs.h"
 #include "spi.h"
@@ -52,10 +53,13 @@ static int usb_cbfs_open(struct cbfs_media *media)
 	if (!first_run)
 		return 0;
 
+	dcache_mmu_disable();
 	if (!irom_load_usb()) {
+		dcache_mmu_enable();
 		printk(BIOS_ERR, "Unable to load CBFS image via USB!\n");
 		return -1;
 	}
+	dcache_mmu_enable();
 
 	/*
 	 * We need to trust the host/irom to copy the image to our
diff --git a/src/cpu/samsung/exynos5420/bootblock.c b/src/cpu/samsung/exynos5420/bootblock.c
index 3df51a7421..1ad75ef493 100644
--- a/src/cpu/samsung/exynos5420/bootblock.c
+++ b/src/cpu/samsung/exynos5420/bootblock.c
@@ -63,7 +63,6 @@ void bootblock_cpu_init(void)
 	mmu_config_range(0, SRAM_START, DCACHE_OFF);
 	mmu_config_range(SRAM_START, SRAM_SIZE, DCACHE_WRITEBACK);
 	mmu_config_range(SRAM_END, 4096 - SRAM_END, DCACHE_OFF);
-	dcache_invalidate_all();
 	dcache_mmu_enable();
 
 	/* For most ARM systems, we have to initialize firmware media source