soc/mediatek/mt8192: devapc: Add ADSP domain setting
Configure ADSP domain from 0 to 4 and lock it to prevent
changing it unexpectedly.
TEST=emerge-asurada coreboot
BRANCH=asurada
Change-Id: Ib938ba05e8d0342572c57366c97ebb0185da8aba
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52728
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/mediatek/mt8192/devapc.c b/src/soc/mediatek/mt8192/devapc.c
index 327896b..e854727 100644
--- a/src/soc/mediatek/mt8192/devapc.c
+++ b/src/soc/mediatek/mt8192/devapc.c
@@ -71,9 +71,10 @@
static void scp_master_init(uintptr_t base)
{
write32(getreg(base, SCP_DOM), MAS_DOMAIN_3);
+ write32(getreg(base, ADSP_DOM), MAS_DOMAIN_4);
- /* Let SCP_DOM register be read-only for security */
- write32(getreg(base, ONETIME_LOCK), 0x1);
+ /* Let SCP_DOM and ADSP_DOM registers be read-only for security */
+ write32(getreg(base, ONETIME_LOCK), 0x5);
}
struct devapc_init {
diff --git a/src/soc/mediatek/mt8192/include/soc/devapc.h b/src/soc/mediatek/mt8192/include/soc/devapc.h
index fd332db..e79acfa 100644
--- a/src/soc/mediatek/mt8192/include/soc/devapc.h
+++ b/src/soc/mediatek/mt8192/include/soc/devapc.h
@@ -23,6 +23,7 @@
enum scp_offset {
SCP_DOM = 0xA5080,
+ ADSP_DOM = 0xA5088,
ONETIME_LOCK = 0xA5104,
};