setup.c

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/*
 * linux/arch/sh/boards/se/770x/setup.c
 *
 * Copyright (C) 2000  Kazumoto Kojima
 *
 * Hitachi SolutionEngine Support.
 *
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <mach-se/mach/se.h>
#include <mach-se/mach/mrshpc.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/smc37c93x.h>
#include <asm/heartbeat.h>

/*
 * Configure the Super I/O chip
 */
static void __init smsc_config(int index, int data)
{
    outb_p(index, INDEX_PORT);
    outb_p(data, DATA_PORT);
}

/* XXX: Another candidate for a more generic cchip machine vector */
static void __init smsc_setup(char **cmdline_p)
{
    outb_p(CONFIG_ENTER, CONFIG_PORT);
    outb_p(CONFIG_ENTER, CONFIG_PORT);

    /* FDC */
    smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
    smsc_config(ACTIVATE_INDEX, 0x01);
    smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */

    /* AUXIO (GPIO): to use IDE1 */
    smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
    smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
    smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */

    /* COM1 */
    smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
    smsc_config(ACTIVATE_INDEX, 0x01);
    smsc_config(IO_BASE_HI_INDEX, 0x03);
    smsc_config(IO_BASE_LO_INDEX, 0xf8);
    smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */

    /* COM2 */
    smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
    smsc_config(ACTIVATE_INDEX, 0x01);
    smsc_config(IO_BASE_HI_INDEX, 0x02);
    smsc_config(IO_BASE_LO_INDEX, 0xf8);
    smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */

    /* RTC */
    smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
    smsc_config(ACTIVATE_INDEX, 0x01);
    smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */

    /* XXX: PARPORT, KBD, and MOUSE will come here... */
    outb_p(CONFIG_EXIT, CONFIG_PORT);
}


static struct resource cf_ide_resources[] = {
    [0] = {
        .start  = PA_MRSHPC_IO + 0x1f0,
        .end    = PA_MRSHPC_IO + 0x1f0 + 8,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = PA_MRSHPC_IO + 0x1f0 + 0x206,
        .end    = PA_MRSHPC_IO + 0x1f0 + 8 + 0x206 + 8,
        .flags  = IORESOURCE_MEM,
    },
    [2] = {
        .start  = IRQ_CFCARD,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device cf_ide_device  = {
    .name           = "pata_platform",
    .id             = -1,
    .num_resources  = ARRAY_SIZE(cf_ide_resources),
    .resource       = cf_ide_resources,
};

static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };

static struct heartbeat_data heartbeat_data = {
    .bit_pos    = heartbeat_bit_pos,
    .nr_bits    = ARRAY_SIZE(heartbeat_bit_pos),
};

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,
    .dev    = {
        .platform_data  = &heartbeat_data,
    },
    .num_resources  = 1,
    .resource   = &heartbeat_resource,
};

#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\
    defined(CONFIG_CPU_SUBTYPE_SH7712)
/* SH771X Ethernet driver */
static struct resource sh_eth0_resources[] = {
    [0] = {
        .start = SH_ETH0_BASE,
        .end = SH_ETH0_BASE + 0x1B8,
        .flags = IORESOURCE_MEM,
    },
    [1] = {
        .start = SH_ETH0_IRQ,
        .end = SH_ETH0_IRQ,
        .flags = IORESOURCE_IRQ,
    },
};

static struct platform_device sh_eth0_device = {
    .name = "sh-eth",
    .id = 0,
    .dev = {
        .platform_data = PHY_ID,
    },
    .num_resources = ARRAY_SIZE(sh_eth0_resources),
    .resource = sh_eth0_resources,
};

static struct resource sh_eth1_resources[] = {
    [0] = {
        .start = SH_ETH1_BASE,
        .end = SH_ETH1_BASE + 0x1B8,
        .flags = IORESOURCE_MEM,
    },
    [1] = {
        .start = SH_ETH1_IRQ,
        .end = SH_ETH1_IRQ,
        .flags = IORESOURCE_IRQ,
    },
};

static struct platform_device sh_eth1_device = {
    .name = "sh-eth",
    .id = 1,
    .dev = {
        .platform_data = PHY_ID,
    },
    .num_resources = ARRAY_SIZE(sh_eth1_resources),
    .resource = sh_eth1_resources,
};
#endif

static struct platform_device *se_devices[] __initdata = {
    &heartbeat_device,
    &cf_ide_device,
#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\
    defined(CONFIG_CPU_SUBTYPE_SH7712)
    &sh_eth0_device,
    &sh_eth1_device,
#endif
};

static int __init se_devices_setup(void)
{
    mrshpc_setup_windows();
    return platform_add_devices(se_devices, ARRAY_SIZE(se_devices));
}
device_initcall(se_devices_setup);

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_se __initmv = {
    .mv_name        = "SolutionEngine",
    .mv_setup       = smsc_setup,
    .mv_init_irq        = init_se_IRQ,
};