commit 3f489bedd572f98979a643341e676c6ff8e0dc02
author kiwi liu <kiwi.liu@mediatek.corp-partner.google.com> Tue May 14 15:00:23 2024 +0800
committer kiwi.liu <kiwi.liu@mediatek.corp-partner.google.com> Tue Jul 09 15:49:03 2024 +0200
tree 5ffc41dda9c72d0635cc5d8ee6d6e1b91963136b
parent 7f53efeca15e304b9a4c86dc438584d8cc0a551f

feat(mt8192): update memory protect region

SCP memory protect region need to align to SCP DRAM range.
Refer to
https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/ec/baseboard/mtscp-rv32i/baseboard.h;l=132

Change-Id: I7d9444d5339f71e6bfdd9999a217e0c177e8199f
Signed-off-by: Kiwi Liu <kiwi.liu@mediatek.corp-partner.google.com>

plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c

diff --git a/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c
index 26bed29..7b867d8 100644
--- a/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c
+++ b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c
@@ -97,7 +97,7 @@
 
 	/* PCI-e protect address(64MB) */
 	region_info.start = 0xC0000000ULL;
-	region_info.end = 0xC3FF0000ULL;
+	region_info.end = 0xC3FFFFFFULL;
 	region_info.region = 1;
 	SET_ACCESS_PERMISSION(region_info.apc, 1,
 			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
@@ -108,7 +108,7 @@
 
 	/* SCP protect address */
 	region_info.start = 0x50000000ULL;
-	region_info.end = 0x513F0000ULL;
+	region_info.end = 0x513FFFFFULL;
 	region_info.region = 2;
 	SET_ACCESS_PERMISSION(region_info.apc, 1,
 			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
@@ -117,21 +117,10 @@
 			      NO_PROT, FORBIDDEN, FORBIDDEN, NO_PROT);
 	emi_mpu_set_protection(&region_info);
 
-	/* DSP protect address */
-	region_info.start = 0x40000000ULL;	/* dram base addr */
-	region_info.end = 0x1FFFF0000ULL;
-	region_info.region = 3;
-	SET_ACCESS_PERMISSION(region_info.apc, 1,
-			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
-			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
-			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
-			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROT);
-	emi_mpu_set_protection(&region_info);
-
 	/* Forbidden All */
 	region_info.start = 0x40000000ULL;	/* dram base addr */
-	region_info.end = 0x1FFFF0000ULL;
-	region_info.region = 4;
+	region_info.end = 0x1FFFFFFFFULL;
+	region_info.region = 3;
 	SET_ACCESS_PERMISSION(region_info.apc, 1,
 			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
 			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,