Booting with images in eMMC hardware boot partition doesn't work
because the container header is loaded from user partition, thus
the loaded data doesn't have a valid header. Add partition switching
to support booting from eMMC boot partitions.

Signed-off-by: Anatolij Gustschin <ag...@denx.de>
---
 arch/arm/mach-imx/imx8/image.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/imx8/image.c b/arch/arm/mach-imx/imx8/image.c
index 58a29e8..b0e9494 100644
--- a/arch/arm/mach-imx/imx8/image.c
+++ b/arch/arm/mach-imx/imx8/image.c
@@ -72,7 +72,20 @@ static int get_container_size(void *dev, int dev_type, 
unsigned long offset)
        if (dev_type == MMC_DEV) {
                unsigned long count = 0;
                struct mmc *mmc = (struct mmc *)dev;
-
+               u8 part;
+
+               part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
+               if (part == 7)
+                       part = 0;
+               if (part == 1 || part == 2) {
+                       if (CONFIG_IS_ENABLED(MMC_TINY))
+                               ret = mmc_switch_part(mmc, part);
+                       else
+                               ret = blk_dselect_hwpart(mmc_get_blk_desc(mmc),
+                                                        part);
+                       if (ret)
+                               return ret;
+               }
                count = blk_dread(mmc_get_blk_desc(mmc),
                                  offset / mmc->read_bl_len,
                                  CONTAINER_HDR_ALIGNMENT / mmc->read_bl_len,
-- 
2.7.4

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot

Reply via email to