feat(mt8186): initialize platform for MediaTek MT8186
- Add basic platform setup.
- Add MT8186 documentation at docs/plat/.
- Add generic CPU helper functions.
- Add basic register address.
TEST=build pass
BUG=b:202871018
Change-Id: Id3e2f46a8c3ab2f3e29137e508d4c671e8f4aad5
diff --git a/plat/mediatek/mt8186/include/platform_def.h b/plat/mediatek/mt8186/include/platform_def.h
new file mode 100644
index 0000000..bf1bbef
--- /dev/null
+++ b/plat/mediatek/mt8186/include/platform_def.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#define PLAT_PRIMARY_CPU 0x0
+
+#define MT_GIC_BASE (0x0C000000)
+#define MCUCFG_BASE (0x0C530000)
+#define IO_PHYS (0x10000000)
+
+/* Aggregate of all devices for MMU mapping */
+#define MTK_DEV_RNG0_BASE IO_PHYS
+#define MTK_DEV_RNG0_SIZE 0x400000
+#define MTK_DEV_RNG1_BASE (IO_PHYS + 0x1000000)
+#define MTK_DEV_RNG1_SIZE 0xa110000
+#define MTK_DEV_RNG2_BASE MT_GIC_BASE
+#define MTK_DEV_RNG2_SIZE 0x600000
+
+
+/*******************************************************************************
+ * UART related constants
+ ******************************************************************************/
+#define UART0_BASE (IO_PHYS + 0x01002000)
+
+#define UART_BAUDRATE 115200
+
+/*******************************************************************************
+ * System counter frequency related constants
+ ******************************************************************************/
+#define SYS_COUNTER_FREQ_IN_TICKS 13000000
+#define SYS_COUNTER_FREQ_IN_MHZ 13
+
+/*******************************************************************************
+ * Platform binary types for linking
+ ******************************************************************************/
+#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH aarch64
+
+/*******************************************************************************
+ * Generic platform constants
+ ******************************************************************************/
+#define PLATFORM_STACK_SIZE 0x800
+
+#define FIRMWARE_WELCOME_STR "Booting Trusted Firmware\n"
+
+#define PLAT_MAX_PWR_LVL U(3)
+#define PLAT_MAX_RET_STATE U(1)
+#define PLAT_MAX_OFF_STATE U(9)
+
+#define PLATFORM_SYSTEM_COUNT U(1)
+#define PLATFORM_MCUSYS_COUNT U(1)
+#define PLATFORM_CLUSTER_COUNT U(1)
+#define PLATFORM_CLUSTER0_CORE_COUNT U(8)
+#define PLATFORM_CLUSTER1_CORE_COUNT U(0)
+
+#define PLATFORM_CORE_COUNT (PLATFORM_CLUSTER0_CORE_COUNT)
+#define PLATFORM_MAX_CPUS_PER_CLUSTER U(8)
+
+#define SOC_CHIP_ID U(0x8186)
+
+/*******************************************************************************
+ * Platform memory map related constants
+ ******************************************************************************/
+#define TZRAM_BASE 0x54600000
+#define TZRAM_SIZE 0x00030000
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL3-1 at the top of the Trusted SRAM (just below the shared memory, if
+ * present). BL31_BASE is calculated using the current BL3-1 debug size plus a
+ * little space for growth.
+ */
+#define BL31_BASE (TZRAM_BASE + 0x1000)
+#define BL31_LIMIT (TZRAM_BASE + TZRAM_SIZE)
+
+/*******************************************************************************
+ * Platform specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32)
+#define MAX_XLAT_TABLES 16
+#define MAX_MMAP_REGIONS 16
+
+/*******************************************************************************
+ * Declarations and constants to access the mailboxes safely. Each mailbox is
+ * aligned on the biggest cache line size in the platform. This is known only
+ * to the platform as it might have a combination of integrated and external
+ * caches. Such alignment ensures that two maiboxes do not sit on the same cache
+ * line at any cache level. They could belong to different cpus/clusters &
+ * get written while being protected by different locks causing corruption of
+ * a valid mailbox address.
+ ******************************************************************************/
+#define CACHE_WRITEBACK_SHIFT 6
+#define CACHE_WRITEBACK_GRANULE (1 << CACHE_WRITEBACK_SHIFT)
+#endif /* PLATFORM_DEF_H */