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

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