diff options
author | Xi Chen <xixi.chen@mediatek.com> | 2021-01-06 16:05:01 +0800 |
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committer | Yidi Lin <yidi.lin@mediatek.com> | 2021-03-03 19:07:45 +0800 |
commit | a564bdc551e1b542e3917d30f147c31c7cf56e2f (patch) | |
tree | 4301690964f0d9b01e67a8f853eb69e488ec3a74 /plat/mediatek | |
parent | f3febcca5a6f027c6115454b779fce8c71917ac0 (diff) | |
download | trusted-firmware-a-a564bdc551e1b542e3917d30f147c31c7cf56e2f.tar.gz |
mediatek: mt8192: Add MPU Support for SCP/PCIe
1 Only enable domain D0 and D1:PCIe access 0xC0000000~0xC4000000;
2 Only enable domain D0 and D3(SCP) access 0x50000000~0x51400000;
Signed-off-by: Xi Chen <xixi.chen@mediatek.com>
Change-Id: Ic4f9e6d85bfd1cebdb24ffc1d14309c89c103b2a
Diffstat (limited to 'plat/mediatek')
-rw-r--r-- | plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c index d5d7e2e293..d9541bd43a 100644 --- a/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c +++ b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.c @@ -91,30 +91,41 @@ int emi_mpu_set_protection(struct emi_region_info_t *region_info) void emi_mpu_init(void) { - /* Set permission */ struct emi_region_info_t region_info; - /* PCE-e protect address(TODO) */ - region_info.start = 0x80000000ULL; - region_info.end = 0x83FF0000ULL; + /* reserve region 0 for future use */ + + /* PCI-e protect address(64MB) */ + region_info.start = 0xC0000000ULL; + region_info.end = 0xC3FF0000ULL; region_info.region = 1; SET_ACCESS_PERMISSION(region_info.apc, 1, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, - FORBIDDEN, FORBIDDEN, NO_PROT, - NO_PROT /*FORBIDDEN*/); + FORBIDDEN, FORBIDDEN, NO_PROT, NO_PROT); + emi_mpu_set_protection(®ion_info); + + /* SCP protect address */ + region_info.start = 0x50000000ULL; + region_info.end = 0x513F0000ULL; + region_info.region = 2; + SET_ACCESS_PERMISSION(region_info.apc, 1, + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + NO_PROT, FORBIDDEN, FORBIDDEN, NO_PROT); emi_mpu_set_protection(®ion_info); /* Forbidden All */ region_info.start = 0x40000000ULL; /* dram base addr */ region_info.end = 0x1FFFF0000ULL; - region_info.region = 2; + region_info.region = 3; SET_ACCESS_PERMISSION(region_info.apc, 1, - NO_PROT, NO_PROT, NO_PROT, NO_PROT, - NO_PROT, NO_PROT, NO_PROT, NO_PROT, - NO_PROT, NO_PROT, NO_PROT, NO_PROT, - NO_PROT, FORBIDDEN, NO_PROT, NO_PROT); + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN, + FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROT); emi_mpu_set_protection(®ion_info); dump_emi_mpu_regions(); |