imx8ulp: Add workaround for eMMC boot
When booting from boot part1/2, the image offset should be 0, but
ROM has a bug to return 0x8000. Has to workaround the issue before
ROM fix it.
Use a ROM function to know boot from emmc boot part or user part
So we can set the image offset accordingly.
Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
index 96d6569..1c33acc 100644
--- a/arch/arm/mach-imx/imx8ulp/soc.c
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -533,3 +533,13 @@
{
memset(mac, 0, 6);
}
+
+int (*card_emmc_is_boot_part_en)(void) = (void *)0x67cc;
+u32 spl_arch_boot_image_offset(u32 image_offset, u32 rom_bt_dev)
+{
+ /* Hard code for eMMC image_offset on 8ULP ROM, need fix by ROM, temp workaround */
+ if (((rom_bt_dev >> 16) & 0xff) == BT_DEV_TYPE_MMC && card_emmc_is_boot_part_en())
+ image_offset = 0;
+
+ return image_offset;
+}