fix(plat/st): apply security at the end of BL2
Now that the DDR is mapped secured, the security settings (TZC400
firewall) have to be applied at the end of BL2 for the OP-TEE case.
This is required to avoid checskum computation error on U-Boot binary,
for which MMU and TZC400 would not be aligned.
Change-Id: I4a364f7117960e8fae1b579f341b9f140b766ea6
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
diff --git a/plat/st/stm32mp1/bl2_plat_setup.c b/plat/st/stm32mp1/bl2_plat_setup.c
index 3e179fb..b4c42fc 100644
--- a/plat/st/stm32mp1/bl2_plat_setup.c
+++ b/plat/st/stm32mp1/bl2_plat_setup.c
@@ -153,8 +153,6 @@
#ifdef AARCH32_SP_OPTEE
INFO("BL2 runs OP-TEE setup\n");
- /* Initialize tzc400 after DDR initialization */
- stm32mp1_security_setup();
#else
INFO("BL2 runs SP_MIN setup\n");
#endif
@@ -384,4 +382,9 @@
return err;
}
+
+void bl2_el3_plat_prepare_exit(void)
+{
+ stm32mp1_security_setup();
+}
#endif