git.sur5r.net Git - u-boot/blob - arch/arm/mach-tegra/arm64-mmu.c

   1 /*
   2  * (C) Copyright 2014 - 2015 Xilinx, Inc.
   3  * Michal Simek <michal.simek@xilinx.com>
   4  * (This file derived from arch/arm/cpu/armv8/zynqmp/cpu.c)
   5  *
   6  * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <asm/system.h>
  13 #include <asm/armv8/mmu.h>
  14
  15 /* size: IO + NR_DRAM_BANKS + terminator */
  16 struct mm_region tegra_mem_map[1 + CONFIG_NR_DRAM_BANKS + 1] = {
  17         {
  18                 .virt = 0x0UL,
  19                 .phys = 0x0UL,
  20                 .size = 0x80000000UL,
  21                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  22                          PTE_BLOCK_NON_SHARE |
  23                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  24         }, {
  25                 .virt = 0x80000000UL,
  26                 .phys = 0x80000000UL,
  27                 .size = 0x80000000UL,
  28                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  29                          PTE_BLOCK_INNER_SHARE
  30         }, {
  31                 /* List terminator */
  32                 0,
  33         }
  34 };
  35
  36 struct mm_region *mem_map = tegra_mem_map;