diff options
Diffstat (limited to 'board/renesas/condor/condor.c')
-rw-r--r-- | board/renesas/condor/condor.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/board/renesas/condor/condor.c b/board/renesas/condor/condor.c new file mode 100644 index 0000000000..d1cbbc3339 --- /dev/null +++ b/board/renesas/condor/condor.c @@ -0,0 +1,55 @@ +// 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 <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; + +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; +} + +#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(); +} |