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
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@ -91,30 +91,41 @@ int emi_mpu_set_protection(struct emi_region_info_t *region_info)
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void emi_mpu_init(void)
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{
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/* Set permission */
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struct emi_region_info_t region_info;
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/* PCE-e protect address(TODO) */
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region_info.start = 0x80000000ULL;
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region_info.end = 0x83FF0000ULL;
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/* reserve region 0 for future use */
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/* PCI-e protect address(64MB) */
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region_info.start = 0xC0000000ULL;
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region_info.end = 0xC3FF0000ULL;
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region_info.region = 1;
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SET_ACCESS_PERMISSION(region_info.apc, 1,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, NO_PROT,
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NO_PROT /*FORBIDDEN*/);
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FORBIDDEN, FORBIDDEN, NO_PROT, NO_PROT);
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emi_mpu_set_protection(®ion_info);
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/* SCP protect address */
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region_info.start = 0x50000000ULL;
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region_info.end = 0x513F0000ULL;
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region_info.region = 2;
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SET_ACCESS_PERMISSION(region_info.apc, 1,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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NO_PROT, FORBIDDEN, FORBIDDEN, NO_PROT);
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emi_mpu_set_protection(®ion_info);
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/* Forbidden All */
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region_info.start = 0x40000000ULL; /* dram base addr */
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region_info.end = 0x1FFFF0000ULL;
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region_info.region = 2;
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region_info.region = 3;
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SET_ACCESS_PERMISSION(region_info.apc, 1,
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NO_PROT, NO_PROT, NO_PROT, NO_PROT,
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NO_PROT, NO_PROT, NO_PROT, NO_PROT,
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NO_PROT, NO_PROT, NO_PROT, NO_PROT,
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NO_PROT, FORBIDDEN, NO_PROT, NO_PROT);
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, FORBIDDEN,
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FORBIDDEN, FORBIDDEN, FORBIDDEN, NO_PROT);
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emi_mpu_set_protection(®ion_info);
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dump_emi_mpu_regions();
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