arch/arm/mach-rockchip/rk3399/rk3399.c

   1 /*
   2  * Copyright (c) 2016 Rockchip Electronics Co., Ltd
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/armv8/mmu.h>
   9 #include <asm/io.h>
  10 #include <asm/arch/hardware.h>
  11
  12 #define GRF_EMMCCORE_CON11 0xff77f02c
  13
  14 static struct mm_region rk3399_mem_map[] = {
  15         {
  16                 .virt = 0x0UL,
  17                 .phys = 0x0UL,
  18                 .size = 0x80000000UL,
  19                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  20                          PTE_BLOCK_INNER_SHARE
  21         }, {
  22                 .virt = 0xf0000000UL,
  23                 .phys = 0xf0000000UL,
  24                 .size = 0x10000000UL,
  25                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  26                          PTE_BLOCK_NON_SHARE |
  27                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  28         }, {
  29                 /* List terminator */
  30                 0,
  31         }
  32 };
  33
  34 struct mm_region *mem_map = rk3399_mem_map;
  35
  36 int arch_cpu_init(void)
  37 {
  38         /* We do some SoC one time setting here. */
  39
  40         /* Emmc clock generator: disable the clock multipilier */
  41         rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff);
  42
  43         return 0;
  44 }