uniphier_xlat_setup.c

/*
 * 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();
}