// SPDX-License-Identifier: GPL-2.0+ /* * board/renesas/condor/condor.c * This file is Condor board support. * * Copyright (C) 2019 Marek Vasut <marek.vasut+renesas@gmail.com> */ #include <common.h> #include <cpu_func.h> #include <hang.h> #include <init.h> #include <asm/global_data.h> #include <asm/processor.h> #include <asm/mach-types.h> #include <asm/io.h> #include <linux/errno.h> #include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; int board_init(void) { return 0; } #define RST_BASE 0xE6160000 #define RST_CA57RESCNT (RST_BASE + 0x40) #define RST_CA53RESCNT (RST_BASE + 0x44) #define RST_RSTOUTCR (RST_BASE + 0x58) #define RST_CA57_CODE 0xA5A5000F #define RST_CA53_CODE 0x5A5A000F void reset_cpu(void) { unsigned long midr, cputype; asm volatile("mrs %0, midr_el1" : "=r" (midr)); cputype = (midr >> 4) & 0xfff; if (cputype == 0xd03) writel(RST_CA53_CODE, RST_CA53RESCNT); else if (cputype == 0xd07) writel(RST_CA57_CODE, RST_CA57RESCNT); else hang(); }