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authorNina Wu <nina-cm.wu@mediatek.com>2021-04-27 17:32:41 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-05-05 11:46:08 +0000
commitc37d7b979f25332f8dec63cd70e7d8c39eef325d (patch)
tree1f979860750a577e96dbc7359358f097210bd48b /src/soc
parentce38084db66858e9bdd787439d8156e6ec53fbfe (diff)
soc/mediatek/mt8192: devapc: update domain remap setting
Update domain remap setting to prevent DSP (domain 4) from accessing registers. Change-Id: Iefa9e75db85482a6c016b8b423c0b05f97e585b1 Signed-off-by: Nina Wu <nina-cm.wu@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/52705 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/mediatek/mt8192/devapc.c54
-rw-r--r--src/soc/mediatek/mt8192/include/soc/devapc.h15
2 files changed, 54 insertions, 15 deletions
diff --git a/src/soc/mediatek/mt8192/devapc.c b/src/soc/mediatek/mt8192/devapc.c
index e854727355..1fdc519c28 100644
--- a/src/soc/mediatek/mt8192/devapc.c
+++ b/src/soc/mediatek/mt8192/devapc.c
@@ -19,29 +19,33 @@ static void infra_master_init(uintptr_t base)
/*
* Domain Remap: TINYSYS to non-EMI (3-bit to 4-bit)
- * 1. SCP from 3 to 3
- * 2. others from XXX to 15
+ * 1. SCP from 3 to 3
+ * 2. DSP from 4 to 4
+ * 3. others from XXX to 15
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
FOUR_BIT_DOM_REMAP_0, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_1, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_2, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
- FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_15,
+ FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_4,
FOUR_BIT_DOM_REMAP_5, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_6, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_7, MAS_DOMAIN_15);
/*
* Domain Remap: MMSYS slave domain remap (4-bit to 2-bit)
- * 1. From domain 0 ~ 3 to domain 0 ~ 3
- * 2. others from XXX to domain 0
+ * 1. From domain 0 to domain 0 (no protection for all)
+ * 2. From domain 1, 2, 4 to domain 1 (forbidden for all)
+ * 3. From domain 3 to domain 3
+ * 4. others from XXX to domain 0
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
TWO_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
TWO_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
- TWO_BIT_DOM_REMAP_2, MAS_DOMAIN_2,
- TWO_BIT_DOM_REMAP_3, MAS_DOMAIN_3);
+ TWO_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
+ TWO_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
+ TWO_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
}
@@ -49,20 +53,48 @@ static void peri_master_init(uintptr_t base)
{
/* Domain */
SET32_BITFIELDS(getreg(base, MAS_DOM_0), SPM_DOM, MAS_DOMAIN_2);
+
+ /*
+ * Domain Remap: CONNSYS slave domain remap (4-bit to 2-bit)
+ * 1. From domain 0 to domain 0 (no protection for all)
+ * 2. From domain 1 ~ 4 to domain 1 (forbidden for all)
+ * 3. others from XXX to domain 0
+ */
+ SET32_BITFIELDS(getreg(base, DOM_REMAP_1_0),
+ TWO_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
+ TWO_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
+ TWO_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
+ TWO_BIT_DOM_REMAP_3, MAS_DOMAIN_1,
+ TWO_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
+
+ /*
+ * Domain Remap: TINYSYS slave domain remap (4-bit to 3-bit)
+ * 1. From domain 0 to domain 0 (no protection for all)
+ * 2. From domain 1 ~ 4 to domain 1 (forbidden for all)
+ * 3. others from XXX to domain 0
+ */
+ SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
+ THREE_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
+ THREE_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
+ THREE_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
+ THREE_BIT_DOM_REMAP_3, MAS_DOMAIN_1,
+ THREE_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
}
static void fmem_master_init(uintptr_t base)
{
- /* Domain Remap: TINYSYS to EMI (3-bit to 4-bit)
- * 1. SCP from 3 to 3
- * 2. others from XXX to 15
+ /*
+ * Domain Remap: TINYSYS to EMI (3-bit to 4-bit)
+ * 1. SCP from 3 to 3
+ * 2. DSP from 4 to 4
+ * 3. others from XXX to 15
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
FOUR_BIT_DOM_REMAP_0, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_1, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_2, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
- FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_15,
+ FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_4,
FOUR_BIT_DOM_REMAP_5, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_6, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_7, MAS_DOMAIN_15);
diff --git a/src/soc/mediatek/mt8192/include/soc/devapc.h b/src/soc/mediatek/mt8192/include/soc/devapc.h
index e79acfa2b9..921f36e81c 100644
--- a/src/soc/mediatek/mt8192/include/soc/devapc.h
+++ b/src/soc/mediatek/mt8192/include/soc/devapc.h
@@ -68,9 +68,16 @@ DEFINE_BITFIELD(FOUR_BIT_DOM_REMAP_5, 23, 20)
DEFINE_BITFIELD(FOUR_BIT_DOM_REMAP_6, 27, 24)
DEFINE_BITFIELD(FOUR_BIT_DOM_REMAP_7, 31, 28)
-DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_0, 1, 0)
-DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_1, 3, 2)
-DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_2, 5, 4)
-DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_3, 7, 6)
+DEFINE_BITFIELD(THREE_BIT_DOM_REMAP_0, 2, 0)
+DEFINE_BITFIELD(THREE_BIT_DOM_REMAP_1, 5, 3)
+DEFINE_BITFIELD(THREE_BIT_DOM_REMAP_2, 8, 6)
+DEFINE_BITFIELD(THREE_BIT_DOM_REMAP_3, 11, 9)
+DEFINE_BITFIELD(THREE_BIT_DOM_REMAP_4, 14, 12)
+
+DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_0, 1, 0)
+DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_1, 3, 2)
+DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_2, 5, 4)
+DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_3, 7, 6)
+DEFINE_BITFIELD(TWO_BIT_DOM_REMAP_4, 9, 8)
#endif /* SOC_MEDIATEK_MT8192_DEVAPC_H */