// SPDX-License-Identifier: GPL-2.0-only
/*
 * (HiSilicon's SoC based) flattened device tree enabled machine
 *
 * Copyright (c) 2012-2013 HiSilicon Ltd.
 * Copyright (c) 2012-2013 Linaro Ltd.
 *
 * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
*/

#include <linux/clocksource.h>
#include <linux/irqchip.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#define HI3620_SYSCTRL_PHYS_BASE                0xfc802000
#define HI3620_SYSCTRL_VIRT_BASE                0xfe802000

/*
 * This table is only for optimization. Since ioremap() could always share
 * the same mapping if it's defined as static IO mapping.
 *
 * Without this table, system could also work. The cost is some virtual address
 * spaces wasted since ioremap() may be called multi times for the same
 * IO space.
 */
static struct map_desc hi3620_io_desc[] __initdata = {
        {
                /* sysctrl */
                .pfn            = __phys_to_pfn(HI3620_SYSCTRL_PHYS_BASE),
                .virtual        = HI3620_SYSCTRL_VIRT_BASE,
                .length         = 0x1000,
                .type           = MT_DEVICE,
        },
};

static void __init hi3620_map_io(void)
{
        debug_ll_io_init();
        iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc));
}

static const char *const hi3xxx_compat[] __initconst = {
        "hisilicon,hi3620-hi4511",
        NULL,
};

DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
        .map_io         = hi3620_map_io,
        .dt_compat      = hi3xxx_compat,
MACHINE_END