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board-shmin.c

/*
 * arch/sh/boards/shmin/setup.c
 *
 * Copyright (C) 2006 Takashi YOSHII
 *
 * SHMIN Support.
 */
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/machvec.h>
#include <asm/shmin.h>
#include <asm/clock.h>
#include <asm/io.h>

#define PFC_PHCR  0xa400010eUL
#define INTC_ICR1 0xa4000010UL

static void __init init_shmin_irq(void)
{
      ctrl_outw(0x2a00, PFC_PHCR);  // IRQ0-3=IRQ
      ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
      plat_irq_setup_pins(IRQ_MODE_IRQ);
}

static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
{
      static int dummy;

      if ((port & ~0x1f) == SHMIN_NE_BASE)
            return (void __iomem *)(SHMIN_IO_BASE + port);

      dummy = 0;

      return &dummy;

}

static struct sh_machine_vector mv_shmin __initmv = {
      .mv_name    = "SHMIN",
      .mv_init_irq      = init_shmin_irq,
      .mv_ioport_map    = shmin_ioport_map,
};

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