// SPDX-License-Identifier: GPL-2.0
/*
 * SH7619 Setup
 *
 *  Copyright (C) 2006  Yoshinori Sato
 *  Copyright (C) 2009  Paul Mundt
 */
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_eth.h>
#include <linux/sh_timer.h>
#include <linux/io.h>
#include <asm/platform_early.h>

enum {
        UNUSED = 0,

        /* interrupt sources */
        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
        WDT, EDMAC, CMT0, CMT1,
        SCIF0, SCIF1, SCIF2,
        HIF_HIFI, HIF_HIFBI,
        DMAC0, DMAC1, DMAC2, DMAC3,
        SIOF,
};

static struct intc_vect vectors[] __initdata = {
        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
        INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
        INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
        INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
        INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
        INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
        INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
        INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
        INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
        INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
        INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
        INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
        INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
        INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
        INTC_IRQ(SIOF, 108),
};

static struct intc_prio_reg prio_registers[] __initdata = {
        { 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
        { 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
        { 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
        { 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
        { 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
        { 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
        { 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
};

static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
                         NULL, prio_registers, NULL);

static struct plat_sci_port scif0_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif0_resources[] = {
        DEFINE_RES_MEM(0xf8400000, 0x100),
        DEFINE_RES_IRQ(88),
};

static struct platform_device scif0_device = {
        .name           = "sh-sci",
        .id             = 0,
        .resource       = scif0_resources,
        .num_resources  = ARRAY_SIZE(scif0_resources),
        .dev            = {
                .platform_data  = &scif0_platform_data,
        },
};

static struct plat_sci_port scif1_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif1_resources[] = {
        DEFINE_RES_MEM(0xf8410000, 0x100),
        DEFINE_RES_IRQ(92),
};

static struct platform_device scif1_device = {
        .name           = "sh-sci",
        .id             = 1,
        .resource       = scif1_resources,
        .num_resources  = ARRAY_SIZE(scif1_resources),
        .dev            = {
                .platform_data  = &scif1_platform_data,
        },
};

static struct plat_sci_port scif2_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif2_resources[] = {
        DEFINE_RES_MEM(0xf8420000, 0x100),
        DEFINE_RES_IRQ(96),
};

static struct platform_device scif2_device = {
        .name           = "sh-sci",
        .id             = 2,
        .resource       = scif2_resources,
        .num_resources  = ARRAY_SIZE(scif2_resources),
        .dev            = {
                .platform_data  = &scif2_platform_data,
        },
};

static struct sh_eth_plat_data eth_platform_data = {
        .phy            = 1,
        .phy_interface  = PHY_INTERFACE_MODE_MII,
};

static struct resource eth_resources[] = {
        [0] = {
                .start = 0xfb000000,
                .end = 0xfb0001c7,
                .flags = IORESOURCE_MEM,
        },
        [1] = {
                .start = 85,
                .end = 85,
                .flags = IORESOURCE_IRQ,
        },
};

static struct platform_device eth_device = {
        .name = "sh7619-ether",
        .id = -1,
        .dev = {
                .platform_data = &eth_platform_data,
        },
        .num_resources = ARRAY_SIZE(eth_resources),
        .resource = eth_resources,
};

static struct sh_timer_config cmt_platform_data = {
        .channels_mask = 3,
};

static struct resource cmt_resources[] = {
        DEFINE_RES_MEM(0xf84a0070, 0x10),
        DEFINE_RES_IRQ(86),
        DEFINE_RES_IRQ(87),
};

static struct platform_device cmt_device = {
        .name           = "sh-cmt-16",
        .id             = 0,
        .dev = {
                .platform_data  = &cmt_platform_data,
        },
        .resource       = cmt_resources,
        .num_resources  = ARRAY_SIZE(cmt_resources),
};

static struct platform_device *sh7619_devices[] __initdata = {
        &scif0_device,
        &scif1_device,
        &scif2_device,
        &eth_device,
        &cmt_device,
};

static int __init sh7619_devices_setup(void)
{
        return platform_add_devices(sh7619_devices,
                                    ARRAY_SIZE(sh7619_devices));
}
arch_initcall(sh7619_devices_setup);

void __init plat_irq_setup(void)
{
        register_intc_controller(&intc_desc);
}

static struct platform_device *sh7619_early_devices[] __initdata = {
        &scif0_device,
        &scif1_device,
        &scif2_device,
        &cmt_device,
};

#define STBCR3 0xf80a0000

void __init plat_early_device_setup(void)
{
        /* enable CMT clock */
        __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);

        sh_early_platform_add_devices(sh7619_early_devices,
                                   ARRAY_SIZE(sh7619_early_devices));
}