uniphier: support Socionext UniPhier platform

Initial commit for Socionext UniPhier SoC support.  BL1, Bl2, and
BL31 are supported.  Refer to docs/plat/socionext-uniphier.md for
more detais.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/plat/socionext/uniphier/uniphier_xlat_setup.c b/plat/socionext/uniphier/uniphier_xlat_setup.c
new file mode 100644
index 0000000..6532c49
--- /dev/null
+++ b/plat/socionext/uniphier/uniphier_xlat_setup.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+#include <platform_def.h>
+#include <xlat_tables_v2.h>
+
+#define UNIPHIER_OCM_REGION_BASE	0x30000000
+#define UNIPHIER_OCM_REGION_SIZE	0x00040000
+
+#define UNIPHIER_REG_REGION_BASE	0x50000000
+#define UNIPHIER_REG_REGION_SIZE	0x20000000
+
+void uniphier_mmap_setup(uintptr_t total_base, size_t total_size,
+			 const struct mmap_region *mmap)
+{
+	VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
+		(void *)total_base, (void *)(total_base + total_size));
+	mmap_add_region(total_base, total_base,
+			total_size,
+			MT_MEMORY | MT_RW | MT_SECURE);
+
+	/* remap the code section */
+	VERBOSE("Code region: %p - %p\n",
+		(void *)BL_CODE_BASE, (void *)BL_CODE_END);
+	mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
+			round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
+			MT_CODE | MT_SECURE);
+
+	/* remap the coherent memory region */
+	VERBOSE("Coherent region: %p - %p\n",
+		(void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
+	mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
+			BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
+			MT_DEVICE | MT_RW | MT_SECURE);
+
+	/*
+	 * on-chip SRAM region: should be DEVICE attribute because the USB
+	 * load functions provided by the ROM use this memory region as a work
+	 * area, but do not cater to cache coherency.
+	 */
+	mmap_add_region(UNIPHIER_OCM_REGION_BASE, UNIPHIER_OCM_REGION_BASE,
+			UNIPHIER_OCM_REGION_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE);
+
+	/* register region */
+	mmap_add_region(UNIPHIER_REG_REGION_BASE, UNIPHIER_REG_REGION_BASE,
+			UNIPHIER_REG_REGION_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE);
+
+	/* additional regions if needed */
+	if (mmap)
+		mmap_add(mmap);
+
+	init_xlat_tables();
+}