1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- // 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();
- }
|