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      1 /*
      2  * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
      3  *
      4  * SPDX-License-Identifier: BSD-3-Clause
      5  */
      6 
      7 #include <debug.h>
      8 #include <platform_def.h>
      9 #include <xlat_tables_v2.h>
     10 
     11 #define UNIPHIER_OCM_REGION_BASE	0x30000000
     12 #define UNIPHIER_OCM_REGION_SIZE	0x00040000
     13 
     14 #define UNIPHIER_REG_REGION_BASE	0x50000000
     15 #define UNIPHIER_REG_REGION_SIZE	0x20000000
     16 
     17 void uniphier_mmap_setup(uintptr_t total_base, size_t total_size,
     18 			 const struct mmap_region *mmap)
     19 {
     20 	VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
     21 		(void *)total_base, (void *)(total_base + total_size));
     22 	mmap_add_region(total_base, total_base,
     23 			total_size,
     24 			MT_MEMORY | MT_RW | MT_SECURE);
     25 
     26 	/* remap the code section */
     27 	VERBOSE("Code region: %p - %p\n",
     28 		(void *)BL_CODE_BASE, (void *)BL_CODE_END);
     29 	mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
     30 			round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
     31 			MT_CODE | MT_SECURE);
     32 
     33 	/* remap the coherent memory region */
     34 	VERBOSE("Coherent region: %p - %p\n",
     35 		(void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
     36 	mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
     37 			BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
     38 			MT_DEVICE | MT_RW | MT_SECURE);
     39 
     40 	/*
     41 	 * on-chip SRAM region: should be DEVICE attribute because the USB
     42 	 * load functions provided by the ROM use this memory region as a work
     43 	 * area, but do not cater to cache coherency.
     44 	 */
     45 	mmap_add_region(UNIPHIER_OCM_REGION_BASE, UNIPHIER_OCM_REGION_BASE,
     46 			UNIPHIER_OCM_REGION_SIZE,
     47 			MT_DEVICE | MT_RW | MT_SECURE);
     48 
     49 	/* register region */
     50 	mmap_add_region(UNIPHIER_REG_REGION_BASE, UNIPHIER_REG_REGION_BASE,
     51 			UNIPHIER_REG_REGION_SIZE,
     52 			MT_DEVICE | MT_RW | MT_SECURE);
     53 
     54 	/* additional regions if needed */
     55 	if (mmap)
     56 		mmap_add(mmap);
     57 
     58 	init_xlat_tables();
     59 }
     60