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| author | Felix Fietkau <nbd@openwrt.org> | 2013-05-13 19:13:33 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-05-13 19:13:33 +0000 |
| commit | 144cfb65a478a57ae0c551df27ee6d152b644799 (patch) | |
| tree | 3a4482d185afa2a3e84c55f0e7e433ed16e7cf61 /target/linux/ar71xx/files/arch/mips/ath79/routerboot.c | |
| parent | 2c5a5d87363791b7f6221de8fff0ade3be21c0ea (diff) | |
| download | mtk-20170518-144cfb65a478a57ae0c551df27ee6d152b644799.zip mtk-20170518-144cfb65a478a57ae0c551df27ee6d152b644799.tar.gz mtk-20170518-144cfb65a478a57ae0c551df27ee6d152b644799.tar.bz2 | |
ar71xx: add hard_cfg offset detection for rb2011 support - fixes wlan on some newer devices
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 36631
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/routerboot.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/routerboot.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/routerboot.c b/target/linux/ar71xx/files/arch/mips/ath79/routerboot.c index 3c6f9aa..1cb1f9d 100644 --- a/target/linux/ar71xx/files/arch/mips/ath79/routerboot.c +++ b/target/linux/ar71xx/files/arch/mips/ath79/routerboot.c @@ -30,6 +30,26 @@ static u16 get_u16(void *buf) } __init int +routerboot_find_magic(u8 *buf, unsigned int buflen, u32 *offset, bool hard) +{ + u32 magic_ref = hard ? RB_MAGIC_HARD : RB_MAGIC_SOFT; + u32 magic; + u32 cur = *offset; + + while (cur < buflen) { + magic = get_u32(buf + cur); + if (magic == magic_ref) { + *offset = cur; + return 0; + } + + cur += 0x1000; + } + + return -ENOENT; +} + +__init int routerboot_find_tag(u8 *buf, unsigned int buflen, u16 tag_id, u8 **tag_data, u16 *tag_len) { |