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Merge changes I7c9f8490,Ia92c6d19 into integration

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* changes:
  feat(plat/mediatek/mt8195): add EMI MPU surppot for SCP and DSP
  feat(plat/mediatek/mt8195): dump EMI MPU configurations
This commit is contained in:
Manish Pandey 2021-12-06 16:47:33 +01:00 • committed by TrustedFirmware Code Review
commit 73193689c0
1 changed files with 55 additions and 1 deletions
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56
plat/mediatek/mt8195/drivers/emi_mpu/emi_mpu.c
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@ -91,7 +91,61 @@ int emi_mpu_set_protection(struct emi_region_info_t *region_info)
return 0;
}
void dump_emi_mpu_regions(void)
{
unsigned long apc[EMI_MPU_DGROUP_NUM], sa, ea;
int region, i;
/* Only dump 8 regions(max: EMI_MPU_REGION_NUM --> 32) */
for (region = 0; region < 8; ++region) {
for (i = 0; i < EMI_MPU_DGROUP_NUM; ++i)
apc[i] = mmio_read_32(EMI_MPU_APC(region, i));
sa = mmio_read_32(EMI_MPU_SA(region));
ea = mmio_read_32(EMI_MPU_EA(region));
INFO("region %d:\n", region);
INFO("\tsa:0x%lx, ea:0x%lx, apc0: 0x%lx apc1: 0x%lx\n",
sa, ea, apc[0], apc[1]);
}
}
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 = 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();
}