[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/mt2635/platform.c b/src/bsp/lk/platform/mt2635/platform.c
new file mode 100644
index 0000000..265625e
--- /dev/null
+++ b/src/bsp/lk/platform/mt2635/platform.c
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <arch.h>
+#include <arch/arm64/mmu.h>
+#include <arch/ops.h>
+#include <assert.h>
+#include <debug.h>
+#include <dev/interrupt/arm_gic.h>
+#include <dev/timer/arm_generic.h>
+#include <dev/uart.h>
+#include <err.h>
+#include <kernel/vm.h>
+#include <platform.h>
+#include <platform/emi.h>
+#include <platform/memory.h>
+#include <platform/mmc_core.h>
+#include <platform/mt2635.h>
+#include <platform/mtk_timer.h>
+#include <platform/mtk_wdt.h>
+#include <platform/pll.h>
+#include <platform/pmic.h>
+#include <lib/bio.h>
+#include <lib/mempool.h>
+
+#if WITH_KERNEL_VM
+#define L2C_MAPPING_IDX 0
+#define PERIPHERAL_MAPPING_IDX 1
+#define SRAM_MAPPING_IDX 2
+#define DRAM_MAPPING_IDX 3
+
+/* initial memory mappings. parsed by start.S */
+struct mmu_initial_mapping mmu_initial_mappings[] = {
+    {
+        .phys = MEMORY_BASE_PHYS,
+        .virt = MEMORY_BASE_VIRT,
+        .size = MEMORY_APERTURE_SIZE,
+        .flags = 0,
+        .name = "l2c"
+    },
+    {
+        .phys = PERIPHERAL_BASE_PHYS,
+        .virt = PERIPHERAL_BASE_VIRT,
+        .size = PERIPHERAL_BASE_SIZE,
+        .flags = MMU_INITIAL_MAPPING_FLAG_DEVICE,
+        .name = "peripherals"
+    },
+    /* reserved for internal sram */
+    { 0 },
+    /* reserved for dram */
+    { 0 },
+    /* null entry to terminate the list */
+    { 0 }
+};
+
+static pmm_arena_t arena = {
+    .name = "sdram",
+    .base = SRAM_BASE_PHYS,
+    .size = SRAM_BASE_SIZE,
+    .flags = PMM_ARENA_FLAG_KMAP,
+};
+
+/* only enable el1 dcache */
+static void dcache_enable(void)
+{
+    uint32_t sctlr;
+
+    asm volatile("mrs %0, sctlr_el1" : "=r" (sctlr) : : "cc");
+    asm volatile("msr sctlr_el1, %0" : : "r" (sctlr | (1 << 2)) : "cc");
+    asm volatile("isb");
+}
+
+#endif /* WITH_KERNEL_VM */
+
+void platform_early_init(void)
+{
+    uart_init_early();
+
+    /* initialize the interrupt controller */
+    arm_gic_init();
+
+    /* initialize the timer block */
+    mtk_timer_init();
+
+    mtk_wdt_init();
+    arm_generic_timer_init(ARM_GENERIC_TIMER_PHYSICAL_INT, 13000000);
+
+#if WITH_KERNEL_VM
+    arch_disable_cache(DCACHE);
+#endif
+    mt_pll_init();
+
+    mt_pmic_init();
+
+    /*
+      * mt_init_mempll() and mt_pll_post_init() should be invoked
+      * after pmic_ini
+      */
+    mt_init_mempll();
+    mt_pll_post_init();
+    /* dram calibration, mapping and test */
+    mt_mem_init();
+
+#if WITH_KERNEL_VM
+    dcache_enable();
+
+    /* add DRAM to mmu_initial_mappings for physical-to-virtual translation */
+    mmu_initial_mappings[DRAM_MAPPING_IDX].phys = DRAM_BASE_PHY;
+    mmu_initial_mappings[DRAM_MAPPING_IDX].virt = DRAM_BASE_VIRT;
+    mmu_initial_mappings[DRAM_MAPPING_IDX].size = get_dram_size();
+    mmu_initial_mappings[DRAM_MAPPING_IDX].flags = 0;
+    mmu_initial_mappings[DRAM_MAPPING_IDX].name = "dram";
+
+    /* mapping internel sram to cacheable memory */
+    arch_mmu_map(SRAM_BASE_VIRT, SRAM_BASE_PHYS,  SRAM_BASE_SIZE >> PAGE_SIZE_SHIFT, 0);
+    /* add intrenal sram to mmu_initial_mappings for heap */
+    mmu_initial_mappings[SRAM_MAPPING_IDX].phys = SRAM_BASE_PHYS;
+    mmu_initial_mappings[SRAM_MAPPING_IDX].virt = SRAM_BASE_VIRT;
+    mmu_initial_mappings[SRAM_MAPPING_IDX].size = SRAM_BASE_SIZE;
+    mmu_initial_mappings[SRAM_MAPPING_IDX].flags = 0;
+    mmu_initial_mappings[SRAM_MAPPING_IDX].name = "sram";
+
+    pmm_add_arena(&arena);
+#endif
+}
+
+void platform_init(void)
+{
+    int ret;
+    bdev_t *rpdev;
+    unsigned int *rpmb_size;
+
+    ret = mempool_init((void *)CACHED_MEMPOOL_ADDR, CACHED_MEMPOOL_SIZE,
+                       MEMPOOL_CACHE);
+    if (ret != NO_ERROR)
+        platform_halt(HALT_ACTION_REBOOT, HALT_REASON_SW_PANIC);
+
+    emmc_init();
+
+    rpdev = bio_open("mmc0rpmb");
+    if (rpdev != NULL) {
+        rpmb_size = (unsigned int *)(readl(SRAMROM_BASE + 0x3c) + 0x8fc + KERNEL_ASPACE_BASE);
+        *rpmb_size = rpdev->total_size;
+        bio_close(rpdev);
+    }
+}