From bb4d46455c017e40e2c5d78ad78465a270565f9e Mon Sep 17 00:00:00 2001
From: Michael Jones <michael.jones@matrix-vision.de>
Date: Thu, 7 Feb 2013 23:53:37 +0000
Subject: [PATCH] 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>
---
board/matrix_vision/mvblx/fpga.c | 14 +++++++++++++-
include/configs/omap3_mvblx.h | 1 +
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/board/matrix_vision/mvblx/fpga.c b/board/matrix_vision/mvblx/fpga.c
index dacc13845d..3fcf9685e9 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__);
diff --git a/include/configs/omap3_mvblx.h b/include/configs/omap3_mvblx.h
index 7bb05ca0a4..376a3d031e 100644
--- a/include/configs/omap3_mvblx.h
+++ b/include/configs/omap3_mvblx.h
@@ -185,6 +185,7 @@
"omapdss.def_disp=${defaultdisplay} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype} " \
+ "mvfw.fpgavers=${fpgavers} " \
"${cmdline_suffix}\0" \
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
"importbootenv=echo Importing environment from mmc ...; " \
--
2.39.5