// SPDX-License-Identifier: GPL-2.0
/*
 * r8a7778 processor support
 *
 * Copyright (C) 2013  Renesas Solutions Corp.
 * Copyright (C) 2013  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 * Copyright (C) 2013  Cogent Embedded, Inc.
 */

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

#include <asm/mach/arch.h>

#include "common.h"

#define HPBREG_BASE     0xfe700000

#define INT2SMSKCR0     0x82288 /* 0xfe782288 */
#define INT2SMSKCR1     0x8228c /* 0xfe78228c */

#define INT2NTSR0       0x00018 /* 0xfe700018 */
#define INT2NTSR1       0x0002c /* 0xfe70002c */

static void __init r8a7778_init_irq_dt(void)
{
        void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);

        BUG_ON(!base);

        irqchip_init();

        /* route all interrupts to ARM */
        writel(0x73ffffff, base + INT2NTSR0);
        writel(0xffffffff, base + INT2NTSR1);

        /* unmask all known interrupts in INTCS2 */
        writel(0x08330773, base + INT2SMSKCR0);
        writel(0x00311110, base + INT2SMSKCR1);

        iounmap(base);
}

static const char *const r8a7778_compat_dt[] __initconst = {
        "renesas,r8a7778",
        NULL
};

DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
        .init_early     = shmobile_init_delay,
        .init_irq       = r8a7778_init_irq_dt,
        .init_late      = shmobile_init_late,
        .dt_compat      = r8a7778_compat_dt,
MACHINE_END