arm: mach-k3: security: Bypass image signing at runtime for GP devices
We can skip the image authentication check at runtime if the device is GP.
This reduces the delta between GP and HS U-Boot builds. End goal is
to re-unify the two build types into one build that can run on all
device types.
Signed-off-by: Andrew Davis <afd@ti.com>
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index 0dce880..6ac2b61 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -8,7 +8,6 @@
obj-$(CONFIG_SOC_K3_AM625) += am62x/
obj-$(CONFIG_ARM64) += arm64-mmu.o
obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
-obj-$(CONFIG_TI_SECURE_DEVICE) += security.o
obj-$(CONFIG_ARM64) += cache.o
ifeq ($(CONFIG_SPL_BUILD),y)
obj-$(CONFIG_SOC_K3_AM654) += am654_init.o
@@ -18,4 +17,4 @@
obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
obj-$(CONFIG_K3_LOAD_SYSFW) += sysfw-loader.o
endif
-obj-y += common.o
+obj-y += common.o security.o
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index ac14975..3962f28 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -290,9 +290,7 @@
}
#endif
-#if IS_ENABLED(CONFIG_TI_SECURE_DEVICE)
ti_secure_image_post_process(p_image, p_size);
-#endif
}
#endif
diff --git a/arch/arm/mach-k3/security.c b/arch/arm/mach-k3/security.c
index 5bfcecd..add7f41 100644
--- a/arch/arm/mach-k3/security.c
+++ b/arch/arm/mach-k3/security.c
@@ -41,6 +41,9 @@
image_addr = (uintptr_t)*p_image;
image_size = *p_size;
+ if (!image_size || get_device_type() == K3_DEVICE_TYPE_GP)
+ return;
+
if (get_device_type() != K3_DEVICE_TYPE_HS_SE &&
!ti_secure_cert_detected(*p_image)) {
printf("Warning: Did not detect image signing certificate. "