Running mxsboot on a big-endian system produces a sd image which cannot be started by the i.MX28 ROM. It complains on the debug uart as following: 0x8020a009 0x80502008 0x8020a009 0x80502008 ...
Enforcing all fields within the BCB to little-endian make the image bootable again.
Signed-off-by: Michael Heimpold mhei@heimpold.de --- tools/mxsboot.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/tools/mxsboot.c b/tools/mxsboot.c index 185b327..8284e95 100644 --- a/tools/mxsboot.c +++ b/tools/mxsboot.c @@ -7,6 +7,7 @@ * SPDX-License-Identifier: GPL-2.0+ */
+#include <endian.h> #include <fcntl.h> #include <sys/stat.h> #include <sys/types.h> @@ -569,15 +570,15 @@ static int mx28_create_sd_image(int infd, int outfd)
cb = (struct mx28_sd_config_block *)buf;
- cb->signature = 0x00112233; - cb->primary_boot_tag = 0x1; - cb->secondary_boot_tag = 0x1; - cb->num_copies = 1; - cb->drv_info[0].chip_num = 0x0; - cb->drv_info[0].drive_type = 0x0; - cb->drv_info[0].tag = 0x1; - cb->drv_info[0].first_sector_number = sd_sector + 4; - cb->drv_info[0].sector_count = (size - 4) / 512; + cb->signature = htole32(0x00112233); + cb->primary_boot_tag = htole32(0x1); + cb->secondary_boot_tag = htole32(0x1); + cb->num_copies = htole32(1); + cb->drv_info[0].chip_num = htole32(0x0); + cb->drv_info[0].drive_type = htole32(0x0); + cb->drv_info[0].tag = htole32(0x1); + cb->drv_info[0].first_sector_number = htole32(sd_sector + 4); + cb->drv_info[0].sector_count = htole32((size - 4) / 512);
wr_size = write(outfd, buf, size); if (wr_size != size) {