[XS] Change in coreboot[main]: soc/mediatek/mt8188: Support loading OP-TEE via an SMC

[Yu-Ping Wu (Code Review)]

Yu-Ping Wu has submitted this change. ( https://review.coreboot.org/c/coreboot/+/78801?usp=email )

(

16 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: soc/mediatek/mt8188: Support loading OP-TEE via an SMC
......................................................................

soc/mediatek/mt8188: Support loading OP-TEE via an SMC

This patch adds compilation flags to BL31 to support loading
OP-TEE via an SMC from rootfs. This patch also reserves 80MB memory
space for running the OP-TEE image.

BUG=b:246837563
TEST=emerge-geralt coreboot

Change-Id: Ic38c8beb59c090ae56c5be6821dd8625435609e9
Signed-off-by: Kiwi Liu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78801
Reviewed-by: Kiwi Liu 
Reviewed-by: Yidi Lin 
Reviewed-by: Yu-Ping Wu 
Tested-by: build bot (Jenkins) 
---
M src/soc/mediatek/mt8188/Kconfig
M src/soc/mediatek/mt8188/Makefile.inc
M src/soc/mediatek/mt8188/soc.c
3 files changed, 7 insertions(+), 1 deletion(-)

Approvals:
  Yu-Ping Wu: Looks good to me, approved
  Kiwi Liu: Looks good to me, but someone else must approve
  build bot (Jenkins): Verified
  Yidi Lin: Looks good to me, approved

diff --git a/src/soc/mediatek/mt8188/Kconfig b/src/soc/mediatek/mt8188/Kconfig
index 0568cd6..7de64aa 100644
--- a/src/soc/mediatek/mt8188/Kconfig
+++ b/src/soc/mediatek/mt8188/Kconfig
@@ -22,6 +22,7 @@
    select VBOOT_STARTS_IN_BOOTBLOCK
    select VBOOT_SEPARATE_VERSTAGE
    select VBOOT_RETURN_FROM_VERSTAGE
+	select VBOOT_DEFINE_WIDEVINE_COUNTERS

config DPM_DM_FIRMWARE
    string
diff --git a/src/soc/mediatek/mt8188/Makefile.inc b/src/soc/mediatek/mt8188/Makefile.inc
index 1426b83..6a643b0 100644
--- a/src/soc/mediatek/mt8188/Makefile.inc
+++ b/src/soc/mediatek/mt8188/Makefile.inc
@@ -58,7 +58,8 @@
 ramstage-y += ../common/tps65132s.c
 ramstage-y += ../common/usb.c usb.c

-BL31_MAKEARGS += PLAT=mt8188
+BL31_MAKEARGS += PLAT=mt8188 SPD=opteed
+BL31_MAKEARGS += OPTEE_ALLOW_SMC_LOAD=1 PLAT_XLAT_TABLES_DYNAMIC=1

CPPFLAGS_common += -Isrc/soc/mediatek/mt8188/include
 CPPFLAGS_common += -Isrc/soc/mediatek/common/dp/include
diff --git a/src/soc/mediatek/mt8188/soc.c b/src/soc/mediatek/mt8188/soc.c
index c63b5ca..d0a29c5 100644
--- a/src/soc/mediatek/mt8188/soc.c
+++ b/src/soc/mediatek/mt8188/soc.c
@@ -14,10 +14,14 @@
 #include <soc/sspm.h>
 #include <symbols.h>

+#define OPTEE_ADDRESS		0x43000000
+#define OPTEE_SIZE		(80 * MiB)
+
 void bootmem_platform_add_ranges(void)
 {
    if (CONFIG(MTK_DFD))
    	bootmem_add_range(DFD_DUMP_ADDRESS, DFD_DUMP_SIZE, BM_MEM_RESERVED);
+	bootmem_add_range(OPTEE_ADDRESS, OPTEE_SIZE, BM_MEM_RESERVED);
 }

static void soc_read_resources(struct device *dev)