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setup.c

/*
 *  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/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_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_and_ack_mappi(unsigned int irq)
{
      disable_mappi_irq(irq);
}

static void end_mappi_irq(unsigned int irq)
{
      if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
            enable_mappi_irq(irq);
}

static unsigned int startup_mappi_irq(unsigned int irq)
{
      enable_mappi_irq(irq);
      return (0);
}

static void shutdown_mappi_irq(unsigned int irq)
{
      unsigned long port;

      port = irq2port(irq);
      outl(M32R_ICUCR_ILEVEL7, port);
}

static struct irq_chip mappi_irq_type =
{
      .typename = "MAPPI-IRQ",
      .startup = startup_mappi_irq,
      .shutdown = shutdown_mappi_irq,
      .enable = enable_mappi_irq,
      .disable = disable_mappi_irq,
      .ack = mask_and_ack_mappi,
      .end = end_mappi_irq
};

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

      if (once)
            return;
      else
            once++;

#ifdef CONFIG_NE2000
      /* INT0 : LAN controller (RTL8019AS) */
      irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
      irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type;
      irq_desc[M32R_IRQ_INT0].action = NULL;
      irq_desc[M32R_IRQ_INT0].depth = 1;
      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_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
      irq_desc[M32R_IRQ_MFT2].chip = &mappi_irq_type;
      irq_desc[M32R_IRQ_MFT2].action = NULL;
      irq_desc[M32R_IRQ_MFT2].depth = 1;
      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_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
      irq_desc[M32R_IRQ_SIO0_R].chip = &mappi_irq_type;
      irq_desc[M32R_IRQ_SIO0_R].action = NULL;
      irq_desc[M32R_IRQ_SIO0_R].depth = 1;
      icu_data[M32R_IRQ_SIO0_R].icucr = 0;
      disable_mappi_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 = &mappi_irq_type;
      irq_desc[M32R_IRQ_SIO0_S].action = NULL;
      irq_desc[M32R_IRQ_SIO0_S].depth = 1;
      icu_data[M32R_IRQ_SIO0_S].icucr = 0;
      disable_mappi_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 = &mappi_irq_type;
      irq_desc[M32R_IRQ_SIO1_R].action = NULL;
      irq_desc[M32R_IRQ_SIO1_R].depth = 1;
      icu_data[M32R_IRQ_SIO1_R].icucr = 0;
      disable_mappi_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 = &mappi_irq_type;
      irq_desc[M32R_IRQ_SIO1_S].action = NULL;
      irq_desc[M32R_IRQ_SIO1_S].depth = 1;
      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_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;
      irq_desc[M32R_IRQ_INT1].chip = &mappi_irq_type;
      irq_desc[M32R_IRQ_INT1].action = NULL;
      irq_desc[M32R_IRQ_INT1].depth = 1;
      icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
      disable_mappi_irq(M32R_IRQ_INT1);

      /* INT2 : pccard1 interrupt */
      irq_desc[M32R_IRQ_INT2].status = IRQ_DISABLED;
      irq_desc[M32R_IRQ_INT2].chip = &mappi_irq_type;
      irq_desc[M32R_IRQ_INT2].action = NULL;
      irq_desc[M32R_IRQ_INT2].depth = 1;
      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

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