mediatek: mt8192: Add MPU support
1 Add Domain1(PCIe device) protect address: 0x80000000~0x83FF0000.
2 Add Domain2(SSPM/SPM/DPM/MCUPM) protect address: 0x40000000~0x1FFFF0000.
Change-Id: I4aaed37150076ae5943484c4adadac999a3d1762
diff --git a/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.h b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.h
new file mode 100644
index 0000000..0b15431
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/emi_mpu/emi_mpu.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef EMI_MPU_H
+#define EMI_MPU_H
+
+#include <platform_def.h>
+
+#define EMI_MPUP (EMI_BASE + 0x01D8)
+#define EMI_MPUQ (EMI_BASE + 0x01E0)
+#define EMI_MPUR (EMI_BASE + 0x01E8)
+#define EMI_MPUS (EMI_BASE + 0x01F0)
+#define EMI_MPUT (EMI_BASE + 0x01F8)
+#define EMI_MPUY (EMI_BASE + 0x0220)
+#define EMI_MPU_CTRL (EMI_MPU_BASE + 0x0000)
+#define EMI_MPUD0_ST (EMI_BASE + 0x0160)
+#define EMI_MPUD1_ST (EMI_BASE + 0x0164)
+#define EMI_MPUD2_ST (EMI_BASE + 0x0168)
+#define EMI_MPUD3_ST (EMI_BASE + 0x016C)
+#define EMI_MPUD0_ST2 (EMI_BASE + 0x0200)
+#define EMI_MPUD1_ST2 (EMI_BASE + 0x0204)
+#define EMI_MPUD2_ST2 (EMI_BASE + 0x0208)
+#define EMI_MPUD3_ST2 (EMI_BASE + 0x020C)
+
+#define EMI_PHY_OFFSET (0x40000000UL)
+
+#define NO_PROT (0)
+#define SEC_RW (1)
+#define SEC_RW_NSEC_R (2)
+#define SEC_RW_NSEC_W (3)
+#define SEC_R_NSEC_R (4)
+#define FORBIDDEN (5)
+#define SEC_R_NSEC_RW (6)
+
+#define SECURE_OS_MPU_REGION_ID (0)
+#define ATF_MPU_REGION_ID (1)
+
+#define EMI_MPU_SA0 (EMI_MPU_BASE + 0x100)
+#define EMI_MPU_EA0 (EMI_MPU_BASE + 0x200)
+#define EMI_MPU_SA(region) (EMI_MPU_SA0 + (region) * 4)
+#define EMI_MPU_EA(region) (EMI_MPU_EA0 + (region) * 4)
+
+#define EMI_MPU_APC0 (EMI_MPU_BASE + 0x300)
+#define EMI_MPU_APC(region, dgroup) (EMI_MPU_APC0 + (region) * 4 + \
+ (dgroup) * 0x100)
+
+#define EMI_MPU_CTRL_D0 (EMI_MPU_BASE + 0x800)
+#define EMI_MPU_CTRL_D(domain) (EMI_MPU_CTRL_D0 + domain * 4)
+#define EMI_RG_MASK_D0 (EMI_MPU_BASE + 0x900)
+#define EMI_RG_MASK_D(domain) (EMI_RG_MASK_D0 + domain * 4)
+
+#define EMI_MPU_DOMAIN_NUM 16
+#define EMI_MPU_REGION_NUM 32
+#define EMI_MPU_ALIGN_BITS 16
+#define DRAM_OFFSET (0x40000000 >> EMI_MPU_ALIGN_BITS)
+
+#define EMI_MPU_DGROUP_NUM (EMI_MPU_DOMAIN_NUM / 8)
+
+#if (EMI_MPU_DGROUP_NUM == 1)
+#define SET_ACCESS_PERMISSION(apc_ary, lock, d7, d6, d5, d4, d3, d2, d1, d0) \
+do { \
+ apc_ary[0] = 0; \
+ apc_ary[0] = \
+ (((unsigned int) d7) << 21) | (((unsigned int) d6) << 18) \
+ | (((unsigned int) d5) << 15) | (((unsigned int) d4) << 12) \
+ | (((unsigned int) d3) << 9) | (((unsigned int) d2) << 6) \
+ | (((unsigned int) d1) << 3) | ((unsigned int) d0) \
+ | (((unsigned int) lock) << 31); \
+} while (0)
+#elif (EMI_MPU_DGROUP_NUM == 2)
+#define SET_ACCESS_PERMISSION(apc_ary, lock, d15, d14, d13, d12, d11, d10, \
+ d9, d8, d7, d6, d5, d4, d3, d2, d1, d0) \
+do { \
+ apc_ary[1] = \
+ (((unsigned int) d15) << 21) | (((unsigned int) d14) << 18) \
+ | (((unsigned int) d13) << 15) | (((unsigned int) d12) << 12) \
+ | (((unsigned int) d11) << 9) | (((unsigned int) d10) << 6) \
+ | (((unsigned int) d9) << 3) | ((unsigned int) d8); \
+ apc_ary[0] = \
+ (((unsigned int) d7) << 21) | (((unsigned int) d6) << 18) \
+ | (((unsigned int) d5) << 15) | (((unsigned int) d4) << 12) \
+ | (((unsigned int) d3) << 9) | (((unsigned int) d2) << 6) \
+ | (((unsigned int) d1) << 3) | ((unsigned int) d0) \
+ | (((unsigned int) lock) << 31); \
+} while (0)
+#endif
+
+struct emi_region_info_t {
+ unsigned long long start;
+ unsigned long long end;
+ unsigned int region;
+ unsigned long apc[EMI_MPU_DGROUP_NUM];
+};
+
+void emi_mpu_init(void);
+int emi_mpu_set_protection(struct emi_region_info_t *region_info);
+void dump_emi_mpu_regions(void);
+
+#endif /* __EMI_MPU_H */