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 9 DECLARE_GLOBAL_DATA_PTR; 10 11 struct 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 20 int 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 */ 33 void reset_cpu(ulong addr) 34 { 35 while (1) 36 ; 37 } 38