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authorMichael Jones <michael.jones@matrix-vision.de>2013-02-07 23:53:37 +0000
committerTom Rini <trini@ti.com>2013-02-18 13:51:20 -0500
commitbb4d46455c017e40e2c5d78ad78465a270565f9e (patch)
tree7d5b8b5cd50cbd34a478fdb1b9c0920636f245ea /board
parent71c4ae3f6db39b888497923573bff215b64a36bd (diff)
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omap3: mvblx: pass FPGA version to the kernel
Extract FPGA version from the .rbf and pass this info to the kernel. Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Diffstat (limited to 'board')
-rw-r--r--board/matrix_vision/mvblx/fpga.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/board/matrix_vision/mvblx/fpga.c b/board/matrix_vision/mvblx/fpga.c
index dacc138..3fcf968 100644
--- a/board/matrix_vision/mvblx/fpga.c
+++ b/board/matrix_vision/mvblx/fpga.c
@@ -31,6 +31,7 @@
#include <ACEX1K.h>
#include <command.h>
#include <asm/gpio.h>
+#include <linux/byteorder/generic.h>
#include "fpga.h"
#ifdef FPGA_DEBUG
@@ -209,9 +210,20 @@ int fpga_wr_fn(const void *buf, size_t len, int flush, int cookie)
{
unsigned char *data = (unsigned char *) buf;
int i;
+ int headerlen = len - cyclone2.size;
+
+ if (headerlen < 0)
+ return FPGA_FAIL;
+ else if (headerlen == sizeof(uint32_t)) {
+ const unsigned int fpgavers_len = 11; /* '0x' + 8 hex digits + \0 */
+ char fpgavers_str[fpgavers_len];
+ snprintf(fpgavers_str, fpgavers_len, "0x%08x",
+ be32_to_cpup((uint32_t*)data));
+ setenv("fpgavers", fpgavers_str);
+ }
fpga_debug("fpga_wr: buf %p / size %d\n", buf, len);
- for (i = 0; i < len; i++)
+ for (i = headerlen; i < len; i++)
_write_fpga(data[i]);
fpga_debug("-%s\n", __func__);