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 <init.h>
  10 #include <asm/armv8/mmu.h>
  11 #include <asm/cache.h>
  12
  13 int print_cpuinfo(void)
  14 {
  15         printf("CPU:   MediaTek MT7622\n");
  16         return 0;
  17 }
  18
  19 int dram_init(void)
  20 {
  21         int ret;
  22
  23         ret = fdtdec_setup_memory_banksize();
  24         if (ret)
  25                 return ret;
  26         return fdtdec_setup_mem_size_base();
  27
  28 }
  29
  30 void reset_cpu(ulong addr)
  31 {
  32         psci_system_reset();
  33 }
  34
  35 static struct mm_region mt7622_mem_map[] = {
  36         {
  37                 /* DDR */
  38                 .virt = 0x40000000UL,
  39                 .phys = 0x40000000UL,
  40                 .size = 0x40000000UL,
  41                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
  42         }, {
  43                 .virt = 0x00000000UL,
  44                 .phys = 0x00000000UL,
  45                 .size = 0x40000000UL,
  46                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  47                          PTE_BLOCK_NON_SHARE |
  48                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  49         }, {
  50                 0,
  51         }
  52 };
  53 struct mm_region *mem_map = mt7622_mem_map;