arch/arm/mach-mediatek/mt7622/init.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2019 MediaTek Inc.
   4  * Author: Sam Shih <sam.shih@mediatek.com>
   5  */
   6
   7 #include <common.h>
   8 #include <fdtdec.h>
   9 #include <asm/armv8/mmu.h>
  10
  11 int print_cpuinfo(void)
  12 {
  13         printf("CPU:   MediaTek MT7622\n");
  14         return 0;
  15 }
  16
  17 int dram_init(void)
  18 {
  19         int ret;
  20
  21         ret = fdtdec_setup_memory_banksize();
  22         if (ret)
  23                 return ret;
  24         return fdtdec_setup_mem_size_base();
  25
  26 }
  27
  28 void reset_cpu(ulong addr)
  29 {
  30         psci_system_reset();
  31 }
  32
  33 static struct mm_region mt7622_mem_map[] = {
  34         {
  35                 /* DDR */
  36                 .virt = 0x40000000UL,
  37                 .phys = 0x40000000UL,
  38                 .size = 0x40000000UL,
  39                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
  40         }, {
  41                 .virt = 0x00000000UL,
  42                 .phys = 0x00000000UL,
  43                 .size = 0x40000000UL,
  44                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  45                          PTE_BLOCK_NON_SHARE |
  46                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  47         }, {
  48                 0,
  49         }
  50 };
  51 struct mm_region *mem_map = mt7622_mem_map;