1 // SPDX-License-Identifier: GPL-2.0+
3 * board/renesas/ebisu/ebisu.c
4 * This file is Ebisu board support.
6 * Copyright (C) 2018 Marek Vasut <marek.vasut+renesas@gmail.com>
13 #include <dm/platform_data/serial_sh.h>
14 #include <asm/processor.h>
15 #include <asm/mach-types.h>
17 #include <linux/errno.h>
18 #include <asm/arch/sys_proto.h>
20 #include <asm/arch/gpio.h>
21 #include <asm/arch/rmobile.h>
22 #include <asm/arch/rcar-mstp.h>
23 #include <asm/arch/sh_sdhi.h>
27 DECLARE_GLOBAL_DATA_PTR;
33 int board_early_init_f(void)
40 /* adress of boot parameters */
41 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
46 #define RST_BASE 0xE6160000
47 #define RST_CA57RESCNT (RST_BASE + 0x40)
48 #define RST_CA53RESCNT (RST_BASE + 0x44)
49 #define RST_RSTOUTCR (RST_BASE + 0x58)
50 #define RST_CA57_CODE 0xA5A5000F
51 #define RST_CA53_CODE 0x5A5A000F
53 void reset_cpu(ulong addr)
55 unsigned long midr, cputype;
57 asm volatile("mrs %0, midr_el1" : "=r" (midr));
58 cputype = (midr >> 4) & 0xfff;
61 writel(RST_CA53_CODE, RST_CA53RESCNT);
62 else if (cputype == 0xd07)
63 writel(RST_CA57_CODE, RST_CA57RESCNT);