// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
#include <linux/usb/isp116x.h>
#include <linux/delay.h>
#include <linux/irqdomain.h>
#include <asm/machvec.h>
#include <mach-se/mach/se7343.h>
#include <asm/heartbeat.h>
#include <asm/irq.h>
#include <asm/io.h>

static struct resource heartbeat_resource = {
        .start  = PA_LED,
        .end    = PA_LED,
        .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
};

static struct platform_device heartbeat_device = {
        .name           = "heartbeat",
        .id             = -1,
        .num_resources  = 1,
        .resource       = &heartbeat_resource,
};

static struct mtd_partition nor_flash_partitions[] = {
        {
                .name           = "loader",
                .offset         = 0x00000000,
                .size           = 128 * 1024,
        },
        {
                .name           = "rootfs",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 31 * 1024 * 1024,
        },
        {
                .name           = "data",
                .offset         = MTDPART_OFS_APPEND,
                .size           = MTDPART_SIZ_FULL,
        },
};

static struct physmap_flash_data nor_flash_data = {
        .width          = 2,
        .parts          = nor_flash_partitions,
        .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
};

static struct resource nor_flash_resources[] = {
        [0]     = {
                .start  = 0x00000000,
                .end    = 0x01ffffff,
                .flags  = IORESOURCE_MEM,
        }
};

static struct platform_device nor_flash_device = {
        .name           = "physmap-flash",
        .dev            = {
                .platform_data  = &nor_flash_data,
        },
        .num_resources  = ARRAY_SIZE(nor_flash_resources),
        .resource       = nor_flash_resources,
};

#define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)

static struct plat_serial8250_port serial_platform_data[] = {
        [0] = {
                .iotype         = UPIO_MEM,
                .mapbase        = 0x16000000,
                .regshift       = 1,
                .flags          = ST16C2550C_FLAGS,
                .uartclk        = 7372800,
        },
        [1] = {
                .iotype         = UPIO_MEM,
                .mapbase        = 0x17000000,
                .regshift       = 1,
                .flags          = ST16C2550C_FLAGS,
                .uartclk        = 7372800,
        },
        { },
};

static struct platform_device uart_device = {
        .name                   = "serial8250",
        .id                     = PLAT8250_DEV_PLATFORM,
        .dev                    = {
                .platform_data  = serial_platform_data,
        },
};

static void isp116x_delay(struct device *dev, int delay)
{
        ndelay(delay);
}

static struct resource usb_resources[] = {
        [0] = {
                .start  = 0x11800000,
                .end    = 0x11800001,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
                .start  = 0x11800002,
                .end    = 0x11800003,
                .flags  = IORESOURCE_MEM,
        },
        [2] = {
                /* Filled in later */
                .flags  = IORESOURCE_IRQ,
        },
};

static struct isp116x_platform_data usb_platform_data = {
        .sel15Kres              = 1,
        .oc_enable              = 1,
        .int_act_high           = 0,
        .int_edge_triggered     = 0,
        .remote_wakeup_enable   = 0,
        .delay                  = isp116x_delay,
};

static struct platform_device usb_device = {
        .name                   = "isp116x-hcd",
        .id                     = -1,
        .num_resources          = ARRAY_SIZE(usb_resources),
        .resource               = usb_resources,
        .dev                    = {
                .platform_data  = &usb_platform_data,
        },

};

static struct platform_device *sh7343se_platform_devices[] __initdata = {
        &heartbeat_device,
        &nor_flash_device,
        &uart_device,
        &usb_device,
};

static int __init sh7343se_devices_setup(void)
{
        /* Wire-up dynamic vectors */
        serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain,
                                                       SE7343_FPGA_IRQ_UARTA);
        serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain,
                                                       SE7343_FPGA_IRQ_UARTB);
        usb_resources[2].start = usb_resources[2].end =
                irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB);

        return platform_add_devices(sh7343se_platform_devices,
                                    ARRAY_SIZE(sh7343se_platform_devices));
}
device_initcall(sh7343se_devices_setup);

/*
 * Initialize the board
 */
static void __init sh7343se_setup(char **cmdline_p)
{
        __raw_writew(0xf900, FPGA_OUT); /* FPGA */

        __raw_writew(0x0002, PORT_PECR);        /* PORT E 1 = IRQ5 */
        __raw_writew(0x0020, PORT_PSELD);

        printk(KERN_INFO "MS7343CP01 Setup...done\n");
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_7343se __initmv = {
        .mv_name = "SolutionEngine 7343",
        .mv_setup = sh7343se_setup,
        .mv_init_irq = init_7343se_IRQ,
};