setup.c

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/*
 *  linux/arch/m32r/platforms/mappi/setup.c
 *
 *  Setup routines for Renesas MAPPI Board
 *
 *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
 *                           Hitoshi Yamamoto
 */

#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>

#include <asm/m32r.h>
#include <asm/io.h>

#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))

icu_data_t icu_data[NR_IRQS];

static void disable_mappi_irq(unsigned int irq)
{
    unsigned long port, data;

    port = irq2port(irq);
    data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
    outl(data, port);
}

static void enable_mappi_irq(unsigned int irq)
{
    unsigned long port, data;

    port = irq2port(irq);
    data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
    outl(data, port);
}

static void mask_mappi(struct irq_data *data)
{
    disable_mappi_irq(data->irq);
}

static void unmask_mappi(struct irq_data *data)
{
    enable_mappi_irq(data->irq);
}

static void shutdown_mappi(struct irq_data *data)
{
    unsigned long port;

    port = irq2port(data->irq);
    outl(M32R_ICUCR_ILEVEL7, port);
}

static struct irq_chip mappi_irq_type =
{
    .name       = "MAPPI-IRQ",
    .irq_shutdown   = shutdown_mappi,
    .irq_mask   = mask_mappi,
    .irq_unmask = unmask_mappi,
};

void __init init_IRQ(void)
{
    static int once = 0;

    if (once)
        return;
    else
        once++;

#ifdef CONFIG_NE2000
    /* INT0 : LAN controller (RTL8019AS) */
    irq_set_chip_and_handler(M32R_IRQ_INT0, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
    disable_mappi_irq(M32R_IRQ_INT0);
#endif /* CONFIG_M32R_NE2000 */

    /* MFT2 : system timer */
    irq_set_chip_and_handler(M32R_IRQ_MFT2, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
    disable_mappi_irq(M32R_IRQ_MFT2);

#ifdef CONFIG_SERIAL_M32R_SIO
    /* SIO0_R : uart receive data */
    irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_SIO0_R].icucr = 0;
    disable_mappi_irq(M32R_IRQ_SIO0_R);

    /* SIO0_S : uart send data */
    irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_SIO0_S].icucr = 0;
    disable_mappi_irq(M32R_IRQ_SIO0_S);

    /* SIO1_R : uart receive data */
    irq_set_chip_and_handler(M32R_IRQ_SIO1_R, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_SIO1_R].icucr = 0;
    disable_mappi_irq(M32R_IRQ_SIO1_R);

    /* SIO1_S : uart send data */
    irq_set_chip_and_handler(M32R_IRQ_SIO1_S, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_SIO1_S].icucr = 0;
    disable_mappi_irq(M32R_IRQ_SIO1_S);
#endif /* CONFIG_SERIAL_M32R_SIO */

#if defined(CONFIG_M32R_PCC)
    /* INT1 : pccard0 interrupt */
    irq_set_chip_and_handler(M32R_IRQ_INT1, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
    disable_mappi_irq(M32R_IRQ_INT1);

    /* INT2 : pccard1 interrupt */
    irq_set_chip_and_handler(M32R_IRQ_INT2, &mappi_irq_type,
                 handle_level_irq);
    icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
    disable_mappi_irq(M32R_IRQ_INT2);
#endif /* CONFIG_M32RPCC */
}

#if defined(CONFIG_FB_S1D13XXX)

#include <video/s1d13xxxfb.h>
#include <asm/s1d13806.h>

static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
    .initregs       = s1d13xxxfb_initregs,
    .initregssize       = ARRAY_SIZE(s1d13xxxfb_initregs),
    .platform_init_video    = NULL,
#ifdef CONFIG_PM
    .platform_suspend_video = NULL,
    .platform_resume_video  = NULL,
#endif
};

static struct resource s1d13xxxfb_resources[] = {
    [0] = {
        .start  = 0x10200000UL,
        .end    = 0x1033FFFFUL,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = 0x10000000UL,
        .end    = 0x100001FFUL,
        .flags  = IORESOURCE_MEM,
    }
};

static struct platform_device s1d13xxxfb_device = {
    .name       = S1D_DEVICENAME,
    .id     = 0,
    .dev            = {
        .platform_data  = &s1d13xxxfb_data,
    },
    .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
    .resource       = s1d13xxxfb_resources,
};

static int __init platform_init(void)
{
    platform_device_register(&s1d13xxxfb_device);
    return 0;
}
arch_initcall(platform_init);
#endif