LXR uboot/arch/arm/mach-zynqmp-r5/cpu.c

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (C) 2018 Xilinx, Inc. (Michal Simek)
   4 */
   5
   6#include <common.h>
   7#include <cpu_func.h>
   8#include <init.h>
   9#include <asm/armv7_mpu.h>
  10
  11DECLARE_GLOBAL_DATA_PTR;
  12
  13struct mpu_region_config region_config[] = {
  14        { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
  15          O_I_WB_RD_WR_ALLOC, REGION_1GB },
  16        { 0x20000000, REGION_1, XN_EN, PRIV_RO_USR_RO,
  17          O_I_WB_RD_WR_ALLOC, REGION_512MB },
  18        { 0x40000000, REGION_2, XN_EN, PRIV_RO_USR_RO,
  19          O_I_WB_RD_WR_ALLOC, REGION_1GB },
  20};
  21
  22int arch_cpu_init(void)
  23{
  24        gd->cpu_clk = CONFIG_CPU_FREQ_HZ;
  25
  26        setup_mpu_regions(region_config, sizeof(region_config) /
  27                          sizeof(struct mpu_region_config));
  28
  29        return 0;
  30}
  31
  32/*
  33 * Perform the low-level reset.
  34 */
  35void reset_cpu(ulong addr)
  36{
  37        while (1)
  38                ;
  39}
  40