// SPDX-License-Identifier: GPL-2.0
/*
 *  SH7201 setup
 *
 *  Copyright (C) 2008  Peter Griffin pgriffin@mpc-data.co.uk
 *  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_timer.h>
#include <linux/io.h>
#include <asm/platform_early.h>

enum {
        UNUSED = 0,

        /* interrupt sources */
        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,

        ADC_ADI,

        MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
        MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,

        RTC, WDT,

        IIC30, IIC31, IIC32,

        DMAC0_DMINT0, DMAC1_DMINT1,
        DMAC2_DMINT2, DMAC3_DMINT3,

        SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,

        DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
        DMAC7_DMINT7,

        RCAN0, RCAN1,

        SSI0_SSII, SSI1_SSII,

        TMR0, TMR1,

        /* interrupt groups */
        PINT,
};

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, 68), INTC_IRQ(IRQ5, 69),
        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),

        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),

        INTC_IRQ(ADC_ADI, 92),

        INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
        INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),

        INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
        INTC_IRQ(MTU20_VEF, 114),

        INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
        INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),

        INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
        INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),

        INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
        INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),

        INTC_IRQ(MTU2_TCI3V, 136),

        INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
        INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),

        INTC_IRQ(MTU2_TCI4V, 144),

        INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
        INTC_IRQ(MTU25_UVW, 150),

        INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
        INTC_IRQ(RTC, 154),

        INTC_IRQ(WDT, 156),

        INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
        INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
        INTC_IRQ(IIC30, 161),

        INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
        INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
        INTC_IRQ(IIC31, 168),

        INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
        INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
        INTC_IRQ(IIC32, 174),

        INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
        INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),

        INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
        INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
        INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
        INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
        INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
        INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
        INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
        INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
        INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
        INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
        INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
        INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
        INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
        INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
        INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
        INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),

        INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
        INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
        INTC_IRQ(DMAC7_DMINT7, 219),

        INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
        INTC_IRQ(RCAN0, 230),
        INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),

        INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
        INTC_IRQ(RCAN1, 236),
        INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),

        INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),

        INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
        INTC_IRQ(TMR0, 248),

        INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
        INTC_IRQ(TMR1, 254),
};

static struct intc_group groups[] __initdata = {
        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
                   PINT4, PINT5, PINT6, PINT7),
};

static struct intc_prio_reg prio_registers[] __initdata = {
        { 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
        { 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
        { 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
        { 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
        { 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU,  MTU23_ABCD } },
        { 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },

        { 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
        { 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
        { 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
        { 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
        { 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4  } },
        { 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
        { 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
        { 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
};

static struct intc_mask_reg mask_registers[] __initdata = {
        { 0xfffe9408, 0, 16, /* PINTER */
          { 0, 0, 0, 0, 0, 0, 0, 0,
            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
};

static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
                         mask_registers, 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(0xfffe8000, 0x100),
        DEFINE_RES_IRQ(180),
};

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(0xfffe8800, 0x100),
        DEFINE_RES_IRQ(184),
};

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(0xfffe9000, 0x100),
        DEFINE_RES_IRQ(188),
};

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 plat_sci_port scif3_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif3_resources[] = {
        DEFINE_RES_MEM(0xfffe9800, 0x100),
        DEFINE_RES_IRQ(192),
};

static struct platform_device scif3_device = {
        .name           = "sh-sci",
        .id             = 3,
        .resource       = scif3_resources,
        .num_resources  = ARRAY_SIZE(scif3_resources),
        .dev            = {
                .platform_data  = &scif3_platform_data,
        },
};

static struct plat_sci_port scif4_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif4_resources[] = {
        DEFINE_RES_MEM(0xfffea000, 0x100),
        DEFINE_RES_IRQ(196),
};

static struct platform_device scif4_device = {
        .name           = "sh-sci",
        .id             = 4,
        .resource       = scif4_resources,
        .num_resources  = ARRAY_SIZE(scif4_resources),
        .dev            = {
                .platform_data  = &scif4_platform_data,
        },
};

static struct plat_sci_port scif5_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif5_resources[] = {
        DEFINE_RES_MEM(0xfffea800, 0x100),
        DEFINE_RES_IRQ(200),
};

static struct platform_device scif5_device = {
        .name           = "sh-sci",
        .id             = 5,
        .resource       = scif5_resources,
        .num_resources  = ARRAY_SIZE(scif5_resources),
        .dev            = {
                .platform_data  = &scif5_platform_data,
        },
};

static struct plat_sci_port scif6_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif6_resources[] = {
        DEFINE_RES_MEM(0xfffeb000, 0x100),
        DEFINE_RES_IRQ(204),
};

static struct platform_device scif6_device = {
        .name           = "sh-sci",
        .id             = 6,
        .resource       = scif6_resources,
        .num_resources  = ARRAY_SIZE(scif6_resources),
        .dev            = {
                .platform_data  = &scif6_platform_data,
        },
};

static struct plat_sci_port scif7_platform_data = {
        .scscr          = SCSCR_REIE,
        .type           = PORT_SCIF,
};

static struct resource scif7_resources[] = {
        DEFINE_RES_MEM(0xfffeb800, 0x100),
        DEFINE_RES_IRQ(208),
};

static struct platform_device scif7_device = {
        .name           = "sh-sci",
        .id             = 7,
        .resource       = scif7_resources,
        .num_resources  = ARRAY_SIZE(scif7_resources),
        .dev            = {
                .platform_data  = &scif7_platform_data,
        },
};

static struct resource rtc_resources[] = {
        [0] = {
                .start  = 0xffff0800,
                .end    = 0xffff2000 + 0x58 - 1,
                .flags  = IORESOURCE_IO,
        },
        [1] = {
                /* Shared Period/Carry/Alarm IRQ */
                .start  = 152,
                .flags  = IORESOURCE_IRQ,
        },
};

static struct platform_device rtc_device = {
        .name           = "sh-rtc",
        .id             = -1,
        .num_resources  = ARRAY_SIZE(rtc_resources),
        .resource       = rtc_resources,
};

static struct resource mtu2_resources[] = {
        DEFINE_RES_MEM(0xfffe4000, 0x400),
        DEFINE_RES_IRQ_NAMED(108, "tgi0a"),
        DEFINE_RES_IRQ_NAMED(116, "tgi1a"),
        DEFINE_RES_IRQ_NAMED(124, "tgi1b"),
};

static struct platform_device mtu2_device = {
        .name           = "sh-mtu2",
        .id             = -1,
        .resource       = mtu2_resources,
        .num_resources  = ARRAY_SIZE(mtu2_resources),
};

static struct platform_device *sh7201_devices[] __initdata = {
        &scif0_device,
        &scif1_device,
        &scif2_device,
        &scif3_device,
        &scif4_device,
        &scif5_device,
        &scif6_device,
        &scif7_device,
        &rtc_device,
        &mtu2_device,
};

static int __init sh7201_devices_setup(void)
{
        return platform_add_devices(sh7201_devices,
                                    ARRAY_SIZE(sh7201_devices));
}
arch_initcall(sh7201_devices_setup);

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

static struct platform_device *sh7201_early_devices[] __initdata = {
        &scif0_device,
        &scif1_device,
        &scif2_device,
        &scif3_device,
        &scif4_device,
        &scif5_device,
        &scif6_device,
        &scif7_device,
        &mtu2_device,
};

#define STBCR3 0xfffe0408

void __init plat_early_device_setup(void)
{
        /* enable MTU2 clock */
        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);

        sh_early_platform_add_devices(sh7201_early_devices,
                                   ARRAY_SIZE(sh7201_early_devices));
}