// SPDX-License-Identifier: GPL-2.0+ /* * board/renesas/ebisu/ebisu.c * This file is Ebisu board support. * * Copyright (C) 2018 Marek Vasut <marek.vasut+renesas@gmail.com> */ #include <common.h> #include <malloc.h> #include <netdev.h> #include <dm.h> #include <dm/platform_data/serial_sh.h> #include <asm/processor.h> #include <asm/mach-types.h> #include <asm/io.h> #include <linux/errno.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> #include <asm/arch/gpio.h> #include <asm/arch/rmobile.h> #include <asm/arch/rcar-mstp.h> #include <asm/arch/sh_sdhi.h> #include <i2c.h> #include <mmc.h> DECLARE_GLOBAL_DATA_PTR; void s_init(void) { } int board_early_init_f(void) { return 0; } int board_init(void) { /* adress of boot parameters */ gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; return 0; } int dram_init(void) { if (fdtdec_setup_mem_size_base() != 0) return -EINVAL; return 0; } int dram_init_banksize(void) { fdtdec_setup_memory_banksize(); 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(ulong addr) { 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(); }