DMA doesn't work when src is placed below 1MB limit.

Signed-off-by: Michal Simek <michal.si...@xilinx.com>
Acked-by: Jagannadha Sutradharudu Teki <jaga...@xilinx.com>
---
 drivers/fpga/zynqpl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index f2f49b5..1effbad 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <zynqpl.h>
+#include <asm/sizes.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/sys_proto.h>

@@ -177,6 +178,12 @@ int zynq_load(Xilinx_desc *desc, const void *buf, size_t 
bsize)
                return FPGA_FAIL;
        }

+       if ((u32)buf < SZ_1M) {
+               printf("%s: Bitstream has to be placed up to 1MB (%x)\n",
+                      __func__, (u32)buf);
+               return FPGA_FAIL;
+       }
+
        if ((u32)buf != ALIGN((u32)buf, ARCH_DMA_MINALIGN)) {
                u32 *new_buf = (u32 *)ALIGN((u32)buf, ARCH_DMA_MINALIGN);

--
1.8.2.3

Attachment: pgpw3tERnnVvz.pgp
Description: PGP signature

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to