Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 *  linux/arch/m32r/platforms/mappi2/setup.c

 *

 *  Setup routines for Renesas MAPPI-II(M3A-ZA36) Board

 *

 *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,

 *                           Hitoshi Yamamoto, Mamoru Sakugawa

 */

#include <linux/irq.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <asm/system.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_mappi2_irq(unsigned int irq)

{

        unsigned long port, data;

        if ((irq == 0) ||(irq >= NR_IRQS))  {

                printk("bad irq 0x%08x\n", irq);

                return;

        }

        port = irq2port(irq);

        data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;

        outl(data, port);

}

static void enable_mappi2_irq(unsigned int irq)

{

        unsigned long port, data;

        if ((irq == 0) ||(irq >= NR_IRQS))  {

                printk("bad irq 0x%08x\n", irq);

                return;

        }

        port = irq2port(irq);

        data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;

        outl(data, port);

}

static void mask_and_ack_mappi2(unsigned int irq)

{

        disable_mappi2_irq(irq);

}

static void end_mappi2_irq(unsigned int irq)

{

        enable_mappi2_irq(irq);

}

static unsigned int startup_mappi2_irq(unsigned int irq)

{

        enable_mappi2_irq(irq);

        return (0);

}

static void shutdown_mappi2_irq(unsigned int irq)

{

        unsigned long port;

        port = irq2port(irq);

        outl(M32R_ICUCR_ILEVEL7, port);

}

static struct hw_interrupt_type mappi2_irq_type =

{

        .typename = "MAPPI2-IRQ",

        .startup = startup_mappi2_irq,

        .shutdown = shutdown_mappi2_irq,

        .enable = enable_mappi2_irq,

        .disable = disable_mappi2_irq,

        .ack = mask_and_ack_mappi2,

        .end = end_mappi2_irq

};

void __init init_IRQ(void)

{

#if defined(CONFIG_SMC91X)

        /* INT0 : LAN controller (SMC91111) */

        irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_INT0].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_INT0].action = 0;

        irq_desc[M32R_IRQ_INT0].depth = 1;

        icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;

        disable_mappi2_irq(M32R_IRQ_INT0);

#endif  /* CONFIG_SMC91X */

        /* MFT2 : system timer */

        irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_MFT2].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_MFT2].action = 0;

        irq_desc[M32R_IRQ_MFT2].depth = 1;

        icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;

        disable_mappi2_irq(M32R_IRQ_MFT2);

#ifdef CONFIG_SERIAL_M32R_SIO

        /* SIO0_R : uart receive data */

        irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_SIO0_R].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_SIO0_R].action = 0;

        irq_desc[M32R_IRQ_SIO0_R].depth = 1;

        icu_data[M32R_IRQ_SIO0_R].icucr = 0;

        disable_mappi2_irq(M32R_IRQ_SIO0_R);

        /* SIO0_S : uart send data */

        irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_SIO0_S].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_SIO0_S].action = 0;

        irq_desc[M32R_IRQ_SIO0_S].depth = 1;

        icu_data[M32R_IRQ_SIO0_S].icucr = 0;

        disable_mappi2_irq(M32R_IRQ_SIO0_S);

        /* SIO1_R : uart receive data */

        irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_SIO1_R].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_SIO1_R].action = 0;

        irq_desc[M32R_IRQ_SIO1_R].depth = 1;

        icu_data[M32R_IRQ_SIO1_R].icucr = 0;

        disable_mappi2_irq(M32R_IRQ_SIO1_R);

        /* SIO1_S : uart send data */

        irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_SIO1_S].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_SIO1_S].action = 0;

        irq_desc[M32R_IRQ_SIO1_S].depth = 1;

        icu_data[M32R_IRQ_SIO1_S].icucr = 0;

        disable_mappi2_irq(M32R_IRQ_SIO1_S);

#endif  /* CONFIG_M32R_USE_DBG_CONSOLE */

#if defined(CONFIG_USB)

        /* INT1 : USB Host controller interrupt */

        irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;

        irq_desc[M32R_IRQ_INT1].chip = &mappi2_irq_type;

        irq_desc[M32R_IRQ_INT1].action = 0;

        irq_desc[M32R_IRQ_INT1].depth = 1;

        icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01;

        disable_mappi2_irq(M32R_IRQ_INT1);

#endif /* CONFIG_USB */

        /* ICUCR40: CFC IREQ */

        irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;

        irq_desc[PLD_IRQ_CFIREQ].chip = &mappi2_irq_type;

        irq_desc[PLD_IRQ_CFIREQ].action = 0;

        irq_desc[PLD_IRQ_CFIREQ].depth = 1;     /* disable nested irq */

        icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;

        disable_mappi2_irq(PLD_IRQ_CFIREQ);

#if defined(CONFIG_M32R_CFC)

        /* ICUCR41: CFC Insert */

        irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;

        irq_desc[PLD_IRQ_CFC_INSERT].chip = &mappi2_irq_type;

        irq_desc[PLD_IRQ_CFC_INSERT].action = 0;

        irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */

        icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00;

        disable_mappi2_irq(PLD_IRQ_CFC_INSERT);

        /* ICUCR42: CFC Eject */

        irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;

        irq_desc[PLD_IRQ_CFC_EJECT].chip = &mappi2_irq_type;

        irq_desc[PLD_IRQ_CFC_EJECT].action = 0;

        irq_desc[PLD_IRQ_CFC_EJECT].depth = 1;  /* disable nested irq */

        icu_data[PLD_IRQ_CFC_EJECT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;

        disable_mappi2_irq(PLD_IRQ_CFC_EJECT);

#endif /* CONFIG_MAPPI2_CFC */

}

#define LAN_IOSTART     0x300

#define LAN_IOEND       0x320

static struct resource smc91x_resources[] = {

        [0] = {

                .start  = (LAN_IOSTART),

                .end    = (LAN_IOEND),

                .flags  = IORESOURCE_MEM,

        },

        [1] = {

                .start  = M32R_IRQ_INT0,

                .end    = M32R_IRQ_INT0,

                .flags  = IORESOURCE_IRQ,

        }

};

static struct platform_device smc91x_device = {

        .name           = "smc91x",

        .id             = 0,

        .num_resources  = ARRAY_SIZE(smc91x_resources),

        .resource       = smc91x_resources,

};

static int __init platform_init(void)

{

        platform_device_register(&smc91x_device);

        return 0;

}

arch_initcall(platform_init);