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 static struct mm_region tegra_mem_map[] = {
  16         {
  17                 .base = 0x0UL,
  18                 .size = 0x80000000UL,
  19                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  20                          PTE_BLOCK_NON_SHARE |
  21                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  22         }, {
  23                 .base = 0x80000000UL,
  24                 .size = 0xff80000000UL,
  25                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  26                          PTE_BLOCK_INNER_SHARE
  27         }, {
  28                 /* List terminator */
  29                 0,
  30         }
  31 };
  32
  33 struct mm_region *mem_map = tegra_mem_map;