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tools: kwbimage: Support u-boot.img padding to CONFIG_SYS_SPI_U_BOOT_OFFS

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This is used on the AXP boards, to pad u-boot.img to the desired offset in
SPI flash (only this boot target supported right now). This offset is
used by the SPL then to load u-boot.img into SDRAM and execute it there.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Luka Perkov <luka.perkov@sartura.hr>
This commit is contained in:
Stefan Roese 2015-01-19 11:33:44 +01:00 committed by Luka Perkov
parent a90ffb5632
commit 5632e580c6
1 changed files with 11 additions and 0 deletions
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11
tools/kwbimage.c
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@ -16,6 +16,7 @@
#include <image.h>
#include <stdint.h>
#include "kwbimage.h"
#include <config.h>
#define ALIGN_SUP(x, a) (((x) + (a - 1)) & ~(a - 1))
@ -868,6 +869,16 @@ static int kwbimage_generate(struct image_tool_params *params,
sizeof(struct ext_hdr_v0);
} else {
alloc_len = image_headersz_v1(params, NULL);
#if defined(CONFIG_SYS_SPI_U_BOOT_OFFS)
if (alloc_len > CONFIG_SYS_SPI_U_BOOT_OFFS) {
fprintf(stderr, "Error: Image header (incl. SPL image) too big!\n");
fprintf(stderr, "header=0x%x CONFIG_SYS_SPI_U_BOOT_OFFS=0x%x!\n",
alloc_len, CONFIG_SYS_SPI_U_BOOT_OFFS);
fprintf(stderr, "Increase CONFIG_SYS_SPI_U_BOOT_OFFS!\n");
} else {
alloc_len = CONFIG_SYS_SPI_U_BOOT_OFFS;
}
#endif
}
hdr = malloc(alloc_len);