// SPDX-License-Identifier: GPL-2.0+
/*
 * Renesas Europe EDOSK7760 Board Support
 *
 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
 * Author: Luca Santini <luca.santini@spesonline.com>
 */
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>
#include <linux/interrupt.h>
#include <linux/sh_intc.h>
#include <linux/i2c.h>
#include <linux/mtd/physmap.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#include <asm/delay.h>
#include <asm/i2c-sh7760.h>
#include <linux/sizes.h>

/* Bus state controller registers for CS4 area */
#define BSC_CS4BCR      0xA4FD0010
#define BSC_CS4WCR      0xA4FD0030

#define SMC_IOBASE      0xA2000000
#define SMC_IO_OFFSET   0x300
#define SMC_IOADDR      (SMC_IOBASE + SMC_IO_OFFSET)

/* NOR flash */
static struct mtd_partition edosk7760_nor_flash_partitions[] = {
        {
                .name = "bootloader",
                .offset = 0,
                .size = SZ_256K,
                .mask_flags = MTD_WRITEABLE,    /* Read-only */
        }, {
                .name = "kernel",
                .offset = MTDPART_OFS_APPEND,
                .size = SZ_2M,
        }, {
                .name = "fs",
                .offset = MTDPART_OFS_APPEND,
                .size = (26 << 20),
        }, {
                .name = "other",
                .offset = MTDPART_OFS_APPEND,
                .size = MTDPART_SIZ_FULL,
        },
};

static struct physmap_flash_data edosk7760_nor_flash_data = {
        .width          = 4,
        .parts          = edosk7760_nor_flash_partitions,
        .nr_parts       = ARRAY_SIZE(edosk7760_nor_flash_partitions),
};

static struct resource edosk7760_nor_flash_resources[] = {
        [0] = {
                .name   = "NOR Flash",
                .start  = 0x00000000,
                .end    = 0x00000000 + SZ_32M - 1,
                .flags  = IORESOURCE_MEM,
        }
};

static struct platform_device edosk7760_nor_flash_device = {
        .name           = "physmap-flash",
        .resource       = edosk7760_nor_flash_resources,
        .num_resources  = ARRAY_SIZE(edosk7760_nor_flash_resources),
        .dev            = {
                .platform_data = &edosk7760_nor_flash_data,
        },
};

/* i2c initialization functions */
static struct sh7760_i2c_platdata i2c_pd = {
        .speed_khz      = 400,
};

static struct resource sh7760_i2c1_res[] = {
        {
                .start  = SH7760_I2C1_MMIO,
                .end    = SH7760_I2C1_MMIOEND,
                .flags  = IORESOURCE_MEM,
        },{
                .start  = evt2irq(0x9e0),
                .end    = evt2irq(0x9e0),
                .flags  = IORESOURCE_IRQ,
        },
};

static struct platform_device sh7760_i2c1_dev = {
        .dev    = {
                .platform_data  = &i2c_pd,
        },

        .name           = SH7760_I2C_DEVNAME,
        .id             = 1,
        .resource       = sh7760_i2c1_res,
        .num_resources  = ARRAY_SIZE(sh7760_i2c1_res),
};

static struct resource sh7760_i2c0_res[] = {
        {
                .start  = SH7760_I2C0_MMIO,
                .end    = SH7760_I2C0_MMIOEND,
                .flags  = IORESOURCE_MEM,
        }, {
                .start  = evt2irq(0x9c0),
                .end    = evt2irq(0x9c0),
                .flags  = IORESOURCE_IRQ,
        },
};

static struct platform_device sh7760_i2c0_dev = {
        .dev    = {
                .platform_data  = &i2c_pd,
        },
        .name           = SH7760_I2C_DEVNAME,
        .id             = 0,
        .resource       = sh7760_i2c0_res,
        .num_resources  = ARRAY_SIZE(sh7760_i2c0_res),
};

/* eth initialization functions */
static struct smc91x_platdata smc91x_info = {
        .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
};

static struct resource smc91x_res[] = {
        [0] = {
                .start  = SMC_IOADDR,
                .end    = SMC_IOADDR + SZ_32 - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
                .start  = evt2irq(0x2a0),
                .end    = evt2irq(0x2a0),
                .flags  = IORESOURCE_IRQ ,
        }
};

static struct platform_device smc91x_dev = {
        .name           = "smc91x",
        .id             = -1,
        .num_resources  = ARRAY_SIZE(smc91x_res),
        .resource       = smc91x_res,

        .dev    = {
                .platform_data  = &smc91x_info,
        },
};

/* platform init code */
static struct platform_device *edosk7760_devices[] __initdata = {
        &smc91x_dev,
        &edosk7760_nor_flash_device,
        &sh7760_i2c0_dev,
        &sh7760_i2c1_dev,
};

static int __init init_edosk7760_devices(void)
{
        plat_irq_setup_pins(IRQ_MODE_IRQ);

        return platform_add_devices(edosk7760_devices,
                                    ARRAY_SIZE(edosk7760_devices));
}
device_initcall(init_edosk7760_devices);

/*
 * The Machine Vector
 */
struct sh_machine_vector mv_edosk7760 __initmv = {
        .mv_name        = "EDOSK7760",
};