[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/alterasoc/platform.c b/src/bsp/lk/platform/alterasoc/platform.c
new file mode 100644
index 0000000..b583297
--- /dev/null
+++ b/src/bsp/lk/platform/alterasoc/platform.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2012-2014 Travis Geiselbrecht
+ *
+ * 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 <err.h>
+#include <debug.h>
+#include <assert.h>
+#include <trace.h>
+#include <arch/arm/mmu.h>
+#include <dev/uart.h>
+#include <dev/interrupt/arm_gic.h>
+#include <dev/timer/arm_cortex_a9.h>
+#include <kernel/vm.h>
+#include <platform.h>
+#include <platform/alterasoc.h>
+#include "platform_p.h"
+
+/* initial memory mappings. parsed by start.S */
+struct mmu_initial_mapping mmu_initial_mappings[] = {
+    /* 1GB of sdram space */
+    { .phys = 0x0,
+      .virt = KERNEL_BASE,
+      .size = 1024*1024*1024,
+      .flags = 0,
+      .name = "memory" },
+
+    /* HPS peripherals */
+    { .phys = 0xfc000000,
+      .virt = 0xfc000000,
+      .size = 0x04000000,
+      .flags = MMU_INITIAL_MAPPING_FLAG_DEVICE,
+      .name = "hps_periphs" },
+
+    /* identity map to let the boot code run */
+    { .phys = 0,
+      .virt = 0,
+      .size = 1024*1024*1024,
+      .flags = MMU_INITIAL_MAPPING_TEMPORARY },
+
+    /* null entry to terminate the list */
+    { 0 }
+};
+
+static pmm_arena_t sdram_arena = {
+    .name = "sdram",
+    .base = 0,
+    .size = MEMSIZE,
+    .flags = PMM_ARENA_FLAG_KMAP
+};
+
+void platform_init_mmu_mappings(void)
+{
+}
+
+void platform_early_init(void)
+{
+    uart_init_early();
+
+    printf("stat 0x%x\n", *REG32(0xffd05000));
+
+    /* initialize the interrupt controller */
+    arm_gic_init();
+
+    /* initialize the timer block */
+    arm_cortex_a9_timer_init(CPUPRIV_BASE, TIMER_CLOCK_FREQ);
+
+    pmm_add_arena(&sdram_arena);
+
+    /* start the secondary cpu */
+    *REG32(0xffd05010) = 0;
+}
+
+void platform_init(void)
+{
+    uart_init();
+}
+