From: Michal Simek <michal.simek@xilinx.com>
Date: Fri, 19 Apr 2013 12:51:30 +0000 (+0200)
Subject: fpga: zynqpl: Buffers must be aligned
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ffad3cca5df64cc80d8880cfdad8ea091c530e55;p=thirdparty%2Fu-boot.git

fpga: zynqpl: Buffers must be aligned

Dma requires aligned buffers.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index 6c455f4b5a2..693199bf0c9 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -55,7 +55,7 @@ int zynq_info(Xilinx_desc *desc)
 }
 
 /* Xilinx binary format header */
-const u32 bin_format[] = {
+static const u32 bin_format[] = {
 	0xffffffff, /* Dummy words */
 	0xffffffff,
 	0xffffffff,
@@ -80,6 +80,11 @@ int zynq_load(Xilinx_desc *desc, const void *buf, size_t bsize)
 	const u32 *test = buf;
 	int i;
 
+	if ((u32)buf & 0x3) {
+		printf("Error: Buffer is not aligned %x\n", (u32)buf);
+		return FPGA_FAIL;
+	}
+
 	/* Check bitstream size */
 	if (bsize != desc->size) {
 		printf("Error: File size is wrong - should be %x.\n",