Initialize platform for MediaTek mt8183

- Add basic platform setup
- Add generic CPU helper functions
- Add delay timer platform implementation
- Use TI 16550 uart driver

Change-Id: I1c29569c68fe9fca5e10e88a22a29690bab7141f
Signed-off-by: kenny liang <kenny.liang@mediatek.com>
diff --git a/plat/mediatek/mt8183/platform.mk b/plat/mediatek/mt8183/platform.mk
new file mode 100644
index 0000000..2ceb459
--- /dev/null
+++ b/plat/mediatek/mt8183/platform.mk
@@ -0,0 +1,53 @@
+#
+# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+MTK_PLAT      := plat/mediatek
+MTK_PLAT_SOC  := ${MTK_PLAT}/${PLAT}
+
+PLAT_INCLUDES := -I${MTK_PLAT}/common/                            \
+                 -I${MTK_PLAT_SOC}/include/
+
+PLAT_BL_COMMON_SOURCES := lib/xlat_tables/aarch64/xlat_tables.c       \
+                          lib/xlat_tables/xlat_tables_common.c        \
+                          plat/common/plat_gicv2.c                    \
+                          plat/common/plat_psci_common.c              \
+                          plat/common/aarch64/crash_console_helpers.S
+
+BL31_SOURCES    += drivers/arm/cci/cci.c                                 \
+                   drivers/arm/gic/common/gic_common.c                   \
+                   drivers/arm/gic/v2/gicv2_main.c                       \
+                   drivers/arm/gic/v2/gicv2_helpers.c                    \
+                   drivers/delay_timer/delay_timer.c                     \
+                   drivers/delay_timer/generic_delay_timer.c             \
+                   drivers/gpio/gpio.c                                   \
+                   drivers/ti/uart/aarch64/16550_console.S               \
+                   lib/cpus/aarch64/aem_generic.S                        \
+                   lib/cpus/aarch64/cortex_a53.S                         \
+                   lib/cpus/aarch64/cortex_a73.S                         \
+                   ${MTK_PLAT}/common/mtk_plat_common.c                  \
+                   ${MTK_PLAT_SOC}/aarch64/plat_helpers.S                \
+                   ${MTK_PLAT_SOC}/aarch64/platform_common.c             \
+                   ${MTK_PLAT_SOC}/plat_pm.c                             \
+                   ${MTK_PLAT_SOC}/plat_topology.c                       \
+                   ${MTK_PLAT_SOC}/bl31_plat_setup.c                     \
+                   ${MTK_PLAT_SOC}/plat_debug.c                          \
+                   ${MTK_PLAT_SOC}/scu.c
+
+# Enable workarounds for selected Cortex-A53 erratas.
+ERRATA_A53_826319 := 0
+ERRATA_A53_836870 := 1
+ERRATA_A53_855873 := 1
+
+# indicate the reset vector address can be programmed
+PROGRAMMABLE_RESET_ADDRESS := 1
+
+COLD_BOOT_SINGLE_CPU := 1
+
+MULTI_CONSOLE_API := 1
+
+MACH_MT8183 := 1
+$(eval $(call add_define,MACH_MT8183))
+