3 files changed, 19 insertions, 6 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index c19f9311cd..55b07a46d1 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -299,11 +299,9 @@ void *dma_alloc_coherent(size_t size)
 	size = PAGE_ALIGN(size);
 	ret = xmemalign(4096, size);
 
-#ifdef CONFIG_MMU
 	dma_inv_range((unsigned long)ret, (unsigned long)ret + size);
 
 	remap_range(ret, size, PTE_FLAGS_UNCACHED);
-#endif
 
 	return ret;
 }
@@ -320,9 +318,7 @@ void *phys_to_virt(unsigned long phys)
 
 void dma_free_coherent(void *mem, size_t size)
 {
-#ifdef CONFIG_MMU
 	remap_range(mem, size, PTE_FLAGS_CACHED);
-#endif
 
 	free(mem);
 }
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
new file mode 100644
index 0000000000..cb9cd1b4ea
--- /dev/null
+++ b/arch/arm/include/asm/dma.h
@@ -0,0 +1,8 @@
+/*
+ * Copyright (C) 2012 by Marc Kleine-Budde <mkl@pengutronix.de>
+ *
+ * This file is released under the GPLv2
+ *
+ */
+
+#include <asm/mmu.h>
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index f5ae7a823a..a66da8c0a8 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -1,9 +1,12 @@
 #ifndef __ASM_MMU_H
 #define __ASM_MMU_H
 
-#include <asm/pgtable.h>
-#include <malloc.h>
+#include <common.h>
 #include <errno.h>
+#include <malloc.h>
+#include <xfuncs.h>
+
+#include <asm/pgtable.h>
 
 #define PMD_SECT_DEF_UNCACHED (PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT)
 #define PMD_SECT_DEF_CACHED (PMD_SECT_WB | PMD_SECT_DEF_UNCACHED)
@@ -23,6 +26,12 @@ static inline void setup_dma_coherent(unsigned long offset)
 {
 }
 
+#define dma_alloc dma_alloc
+static inline void *dma_alloc(size_t size)
+{
+	return xmemalign(64, ALIGN(size, 64));
+}
+
 #ifdef CONFIG_MMU
 void *dma_alloc_coherent(size_t size);
 void dma_free_coherent(void *mem, size_t size);