X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fmach-bcm283x%2Fmbox.c;h=ec3f417f40f4356669570245d1c4ecaefcaffb5d;hb=3e9f8f2f5101ee66804c29683fba90b8e307a314;hp=3b17a31eacfd6e5ab092e53bca87c4d0d408ca92;hpb=1d2f74690cace803844bce198a6d5fa1b6cd11f9;p=u-boot

diff --git a/arch/arm/mach-bcm283x/mbox.c b/arch/arm/mach-bcm283x/mbox.c
index 3b17a31eac..ec3f417f40 100644
--- a/arch/arm/mach-bcm283x/mbox.c
+++ b/arch/arm/mach-bcm283x/mbox.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/mbox.h>
+#include <phys2bus.h>
 
 #define TIMEOUT 1000 /* ms */
 
@@ -110,10 +111,21 @@ int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer)
 	dump_buf(buffer);
 #endif
 
-	ret = bcm2835_mbox_call_raw(chan, (u32)buffer, &rbuffer);
+	flush_dcache_range((unsigned long)buffer,
+			   (unsigned long)((void *)buffer +
+			   roundup(buffer->buf_size, ARCH_DMA_MINALIGN)));
+
+	ret = bcm2835_mbox_call_raw(chan,
+				    phys_to_bus((unsigned long)buffer),
+				    &rbuffer);
 	if (ret)
 		return ret;
-	if (rbuffer != (u32)buffer) {
+
+	invalidate_dcache_range((unsigned long)buffer,
+				(unsigned long)((void *)buffer +
+				roundup(buffer->buf_size, ARCH_DMA_MINALIGN)));
+
+	if (rbuffer != phys_to_bus((unsigned long)buffer)) {
 		printf("mbox: Response buffer mismatch\n");
 		return -1;
 	}