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sunxi: Use BROM stored boot_media value to determine our boot-source

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Now that we know that the BROM stores a value indicating the boot-source
at the beginning of SRAM, use that instead of trying to recreate the
BROM's boot probing.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede
2016-07-09 15:31:47 +02:00
parent 4a8c7c1f45
commit ef36d9ae16
4 changed files with 12 additions and 43 deletions
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17
drivers/mmc/sunxi_mmc.c
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@@ -445,23 +445,6 @@ 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, 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,