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// 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)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
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();
}
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