plat/socionext/uniphier/uniphier_xlat_setup.c

   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_REG_REGION_BASE        0x50000000ULL
  12 #define UNIPHIER_REG_REGION_SIZE        0x20000000ULL
  13
  14 void uniphier_mmap_setup(uintptr_t total_base, size_t total_size,
  15                          const struct mmap_region *mmap)
  16 {
  17         VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
  18                 (void *)total_base, (void *)(total_base + total_size));
  19         mmap_add_region(total_base, total_base,
  20                         total_size,
  21                         MT_MEMORY | MT_RW | MT_SECURE);
  22
  23         /* remap the code section */
  24         VERBOSE("Code region: %p - %p\n",
  25                 (void *)BL_CODE_BASE, (void *)BL_CODE_END);
  26         mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
  27                         round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
  28                         MT_CODE | MT_SECURE);
  29
  30         /* remap the coherent memory region */
  31         VERBOSE("Coherent region: %p - %p\n",
  32                 (void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
  33         mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
  34                         BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
  35                         MT_DEVICE | MT_RW | MT_SECURE);
  36
  37         /* register region */
  38         mmap_add_region(UNIPHIER_REG_REGION_BASE, UNIPHIER_REG_REGION_BASE,
  39                         UNIPHIER_REG_REGION_SIZE,
  40                         MT_DEVICE | MT_RW | MT_SECURE);
  41
  42         /* additional regions if needed */
  43         if (mmap)
  44                 mmap_add(mmap);
  45
  46         init_xlat_tables();
  47 }