From 715cdc370c6dcfd47f247de9ff8ccd24f0a2fa03 Mon Sep 17 00:00:00 2001 From: Tinghan Shen Date: Tue, 27 Apr 2021 17:10:28 +0800 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52728 Reviewed-by: Yu-Ping Wu Reviewed-by: Patrick Georgi Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8192/devapc.c | 5 +++-- src/soc/mediatek/mt8192/include/soc/devapc.h | 1 + 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/src/soc/mediatek/mt8192/devapc.c b/src/soc/mediatek/mt8192/devapc.c index 327896b10a..e854727355 100644 --- a/src/soc/mediatek/mt8192/devapc.c +++ b/src/soc/mediatek/mt8192/devapc.c @@ -71,9 +71,10 @@ static void fmem_master_init(uintptr_t base) 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 fd332dbd15..e79acfa2b9 100644 --- a/src/soc/mediatek/mt8192/include/soc/devapc.h +++ b/src/soc/mediatek/mt8192/include/soc/devapc.h @@ -23,6 +23,7 @@ enum devapc_ao_offset { enum scp_offset { SCP_DOM = 0xA5080, + ADSP_DOM = 0xA5088, ONETIME_LOCK = 0xA5104, };