uboot/arch/arm/mach-zynqmp-r5/cpu.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (C) 2018 Xilinx, Inc. (Michal Simek)
   4 */
   5
   6#include <common.h>
   7#include <asm/armv7_mpu.h>
   8
   9DECLARE_GLOBAL_DATA_PTR;
  10
  11struct mpu_region_config region_config[] = {
  12        { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
  13          O_I_WB_RD_WR_ALLOC, REGION_1GB },
  14        { 0x20000000, REGION_1, XN_EN, PRIV_RO_USR_RO,
  15          O_I_WB_RD_WR_ALLOC, REGION_512MB },
  16        { 0x40000000, REGION_2, XN_EN, PRIV_RO_USR_RO,
  17          O_I_WB_RD_WR_ALLOC, REGION_1GB },
  18};
  19
  20int arch_cpu_init(void)
  21{
  22        gd->cpu_clk = CONFIG_CPU_FREQ_HZ;
  23
  24        setup_mpu_regions(region_config, sizeof(region_config) /
  25                          sizeof(struct mpu_region_config));
  26
  27        return 0;
  28}
  29
  30/*
  31 * Perform the low-level reset.
  32 */
  33void reset_cpu(ulong addr)
  34{
  35        while (1)
  36                ;
  37}
  38