[PATCH V4 38/44] imx8ulp: Use DGO_GP5 to get boot config

Peng Fan (OSS) peng.fan at oss.nxp.com
Wed Jul 21 16:17:19 CEST 2021


From: Ye Li <ye.li at nxp.com>

Since CMC1 MR0 only reflects high 16 bits boot cfg used for AP domian,
it does not connect to low 16 bits for RTD. So we can't get the correct
boot mode.
Change to use DGO_GP5 of SEC_SIM which is set by ROM.

Signed-off-by: Ye Li <ye.li at nxp.com>
---
 arch/arm/mach-imx/imx8ulp/soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
index 9bdbe3c846..96d65690c4 100644
--- a/arch/arm/mach-imx/imx8ulp/soc.c
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -120,7 +120,7 @@ enum bt_mode get_boot_mode(void)
 {
 	u32 bt0_cfg = 0;
 
-	bt0_cfg = readl(CMC1_BASE_ADDR + 0xa0);
+	bt0_cfg = readl(SIM_SEC_BASE_ADDR + 0x24);
 	bt0_cfg &= (BT0CFG_LPBOOT_MASK | BT0CFG_DUALBOOT_MASK);
 
 	if (!(bt0_cfg & BT0CFG_LPBOOT_MASK)) {
-- 
2.30.0



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