kernel: add support for ALLNET devices in mtdsplit

Add support for uimage headers from ALLNET and provide support for the
SG8208M and SG8310PM devices' magic bytes.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz 2020-09-11 17:36:49 +02:00 committed by John Crispin
parent a9790dff53
commit 7bb1bd469e

View File

@ -319,8 +319,57 @@ static struct mtd_part_parser uimage_netgear_parser = {
.of_match_table = mtdsplit_uimage_netgear_of_match_table,
.parse_fn = mtdsplit_uimage_parse_netgear,
.type = MTD_PARSER_TYPE_FIRMWARE,
};
/**************************************************
* ALLNET
**************************************************/
#define FW_MAGIC_SG8208M 0x00000006
#define FW_MAGIC_SG8310PM 0x83000006
static ssize_t uimage_verify_allnet(u_char *buf, size_t len, int *extralen)
{
struct uimage_header *header = (struct uimage_header *)buf;
switch (be32_to_cpu(header->ih_magic)) {
case FW_MAGIC_SG8208M:
case FW_MAGIC_SG8310PM:
break;
default:
return -EINVAL;
}
if (header->ih_os != IH_OS_LINUX)
return -EINVAL;
return 0;
}
static int
mtdsplit_uimage_parse_allnet(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
return __mtdsplit_parse_uimage(master, pparts, data,
uimage_verify_allnet);
}
static const struct of_device_id mtdsplit_uimage_allnet_of_match_table[] = {
{ .compatible = "allnet,uimage" },
{},
};
static struct mtd_part_parser uimage_allnet_parser = {
.owner = THIS_MODULE,
.name = "allnet-fw",
.of_match_table = mtdsplit_uimage_allnet_of_match_table,
.parse_fn = mtdsplit_uimage_parse_allnet,
};
/**************************************************
* Edimax
**************************************************/
@ -505,6 +554,7 @@ static int __init mtdsplit_uimage_init(void)
{
register_mtd_parser(&uimage_generic_parser);
register_mtd_parser(&uimage_netgear_parser);
register_mtd_parser(&uimage_allnet_parser);
register_mtd_parser(&uimage_edimax_parser);
register_mtd_parser(&uimage_fonfxc_parser);
register_mtd_parser(&uimage_sge_parser);