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feat(plat/mediatek/mt8195): add EMI MPU surppot for SCP and DSP

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1. Enable domain D0 and D3 (SCP) access 0x50000000~0x51400000.
2. Enable domain D4 (DSP & AFE) access 0x60000000~0x610FFFFF.

BUG=b:204347737
TEST=build pass

Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Change-Id: I7c9f8490b8898008ba6844c34c9e80caa6066cbc
This commit is contained in:
Tinghan Shen 2021-11-15 18:08:10 +08:00 • committed by Rex-BC Chen
parent 20ef588e86
commit 690cb1265e
1 changed files with 35 additions and 0 deletions
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35
plat/mediatek/mt8195/drivers/emi_mpu/emi_mpu.c
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@ -112,5 +112,40 @@ void dump_emi_mpu_regions(void)
void emi_mpu_init(void)
{
struct emi_region_info_t region_info;
/* SCP DRAM */
region_info.start = 0x50000000ULL;
region_info.end = 0x51400000ULL;
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(&region_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(&region_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(&region_info);
dump_emi_mpu_regions();
}