feat(mt8186): add EMI MPU support for SCP and DSP
1. Enable domain D0 and D3 (SCP) access 0x50000000~0x5109FFFF.
2. Enable domain D4 (DSP & AFE) access 0x60000000~0x610FFFFF.
BUG=b:204229221
TEST=build pass
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.corp-partner.google.com>
Change-Id: I6a7d2eafaaa7a558829a0d741dfb3307885e3b98
diff --git a/plat/mediatek/mt8186/drivers/emi_mpu/emi_mpu.c b/plat/mediatek/mt8186/drivers/emi_mpu/emi_mpu.c
index 989ecf1..a183483 100644
--- a/plat/mediatek/mt8186/drivers/emi_mpu/emi_mpu.c
+++ b/plat/mediatek/mt8186/drivers/emi_mpu/emi_mpu.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -96,5 +96,38 @@
void emi_mpu_init(void)
{
- /* TODO: more setting for EMI MPU. */
+ struct emi_region_info_t region_info;
+
+ /* SCP DRAM */
+ region_info.start = 0x50000000ULL;
+ region_info.end = 0x5109FFFFULL;
+ region_info.region = 2;
+ SET_ACCESS_PERMISSION(region_info.apc, 1,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ NO_PROTECTION, FORBIDDEN, FORBIDDEN, NO_PROTECTION);
+ emi_mpu_set_protection(®ion_info);
+
+ /* DSP protect address */
+ region_info.start = 0x60000000ULL; /* dram base addr */
+ region_info.end = 0x610FFFFFULL;
+ region_info.region = 3;
+ 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(®ion_info);
+
+ /* Forbidden All */
+ region_info.start = 0x40000000ULL; /* dram base addr */
+ region_info.end = 0x1FFFF0000ULL;
+ region_info.region = 4;
+ SET_ACCESS_PERMISSION(region_info.apc, 1,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
+ FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROTECTION);
+ emi_mpu_set_protection(®ion_info);
}