commit d0c667655565320ca10fdb8601de3b6f0ec3f0fa
author Jason Chen <jason-ch.chen@mediatek.corp-partner.google.com> Tue Jun 06 16:28:19 2023 +0800
committer developer <developer@mediatek.com> Wed Oct 11 17:21:03 2023 +0800
tree a6b495432e7400e44e5ff39a97bb1c19e8c57765
parent 2744f075ea437bb27e9a1e0c4569948789f9091d

feat(mt8188): add EMI MPU support for SCP and DSP

1. Allow domain D8 (SCP c0) access to the region 0x50000000~0x528FFFFF.
2. Allow domain D8 (SCP c1) access to the region 0x70000000~0x729FFFFF.
3. Allow domain D4 (DSP) access to the region 0x60000000~0x610FFFFF.

Change-Id: Iea92eebaea4d7dd2968cf51f41d07c2479168e7e

plat/mediatek/drivers/emi_mpu/mt8188/emi_mpu.c

diff --git a/plat/mediatek/drivers/emi_mpu/mt8188/emi_mpu.c b/plat/mediatek/drivers/emi_mpu/mt8188/emi_mpu.c
index ae1b7ef..e8882f0 100644
--- a/plat/mediatek/drivers/emi_mpu/mt8188/emi_mpu.c
+++ b/plat/mediatek/drivers/emi_mpu/mt8188/emi_mpu.c
@@ -12,8 +12,51 @@
 
 void set_emi_mpu_regions(void)
 {
-	/* TODO: set emi mpu region */
-	INFO("%s, emi mpu is not setting currently\n", __func__);
+	struct emi_region_info_t region_info;
+
+	/* SCP core0 DRAM */
+	region_info.start = 0x50000000ULL;
+	region_info.end = 0x528FFFFFULL;
+	region_info.region = 2;
+	SET_ACCESS_PERMISSION(region_info.apc, 1,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION);
+	emi_mpu_set_protection(&region_info);
+
+	/* SCP core1 DRAM */
+	region_info.start = 0x70000000ULL;
+	region_info.end = 0x729FFFFFULL;
+	region_info.region = 3;
+	SET_ACCESS_PERMISSION(region_info.apc, 1,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION);
+	emi_mpu_set_protection(&region_info);
+
+	/* DSP protect address */
+	region_info.start = 0x60000000ULL;
+	region_info.end = 0x610FFFFFULL;
+	region_info.region = 4;
+	SET_ACCESS_PERMISSION(region_info.apc, 1,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION,
+			      FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION);
+	emi_mpu_set_protection(&region_info);
+
+	/* All default settings */
+	region_info.start = 0x40000000ULL;
+	region_info.end = 0x1FFFF0000ULL;
+	region_info.region = 31;
+	SET_ACCESS_PERMISSION(region_info.apc, 1,
+			      FORBIDDEN, FORBIDDEN, NO_PROTECTION, NO_PROTECTION,
+			      NO_PROTECTION, FORBIDDEN, NO_PROTECTION, NO_PROTECTION,
+			      NO_PROTECTION, SEC_R_NSEC_RW, NO_PROTECTION, FORBIDDEN,
+			      NO_PROTECTION, NO_PROTECTION, NO_PROTECTION, NO_PROTECTION);
+	emi_mpu_set_protection(&region_info);
 }
 
 int set_apu_emi_mpu_region(void)