diff options
| author | Tom Rini | 2015-07-25 09:04:18 -0400 |
|---|---|---|
| committer | Tom Rini | 2015-07-25 09:04:18 -0400 |
| commit | 26473945ad6667183296e7edee2a65edf31bb6f7 (patch) | |
| tree | ceb27f9307dbc86e20a5a9eb392c786e2fee5025 /drivers/mmc/sunxi_mmc.c | |
| parent | 6f4e050639241218987541f4729172e4e0e2ff31 (diff) | |
| parent | 7f7409ba6ab937b73f16bac8d83e215db86ace3d (diff) | |
Merge branch 'master' of http://git.denx.de/u-boot-sunxi
Diffstat (limited to 'drivers/mmc/sunxi_mmc.c')
| -rw-r--r-- | drivers/mmc/sunxi_mmc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index e7ab828a8f1..f9b9493c892 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -433,6 +433,23 @@ static int sunxi_mmc_getcd(struct mmc *mmc) return !gpio_get_value(cd_pin); } +int sunxi_mmc_has_egon_boot_signature(struct mmc *mmc) +{ + char *buf = malloc(512); + int valid_signature = 0; + + if (buf == NULL) + panic("Failed to allocate memory\n"); + + if (mmc_getcd(mmc) && mmc_init(mmc) == 0 && + mmc->block_dev.block_read(mmc->block_dev.dev, 16, 1, buf) == 1 && + strncmp(&buf[4], "eGON.BT0", 8) == 0) + valid_signature = 1; + + free(buf); + return valid_signature; +} + static const struct mmc_ops sunxi_mmc_ops = { .send_cmd = sunxi_mmc_send_cmd, .set_ios = sunxi_mmc_set_ios, |