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ops-rts7751r2d.c

/*
 * linux/arch/sh/drivers/pci/ops-rts7751r2d.c
 *
 * Author:  Ian DaSilva (idasilva@mvista.com)
 *
 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
 *
 * May be copied or modified under the terms of the GNU General Public
 * License.  See linux/COPYING for more information.
 *
 * PCI initialization for the Renesas SH7751R RTS7751R2D board
 */
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/io.h>
#include <asm/rts7751r2d.h>
#include "pci-sh4.h"

static u8 rts7751r2d_irq_tab[] __initdata = {
      IRQ_PCI_INTA,
      IRQ_PCI_INTB,
      IRQ_PCI_INTC,
      IRQ_PCI_INTD,
};

int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
      return rts7751r2d_irq_tab[slot];
}

static struct resource sh7751_io_resource = {
      .name = "SH7751_IO",
      .start      = 0x4000,
      .end  = SH7751_PCI_IO_SIZE - 1,
      .flags      = IORESOURCE_IO
};

static struct resource sh7751_mem_resource = {
      .name = "SH7751_mem",
      .start      = SH7751_PCI_MEMORY_BASE,
      .end  = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
      .flags      = IORESOURCE_MEM
};

extern struct pci_ops sh7751_pci_ops;

struct pci_channel board_pci_channels[] = {
      { &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
      { NULL, NULL, NULL, 0, 0 },
};
EXPORT_SYMBOL(board_pci_channels);

static struct sh4_pci_address_map sh7751_pci_map = {
      .window0    = {
            .base = SH7751_CS3_BASE_ADDR,
            .size = 0x04000000,
      },

      .window1    = {
            .base = 0x00000000,     /* Unused */
            .size = 0x00000000,     /* Unused */
      },

      .flags      = SH4_PCIC_NO_RESET,
};

int __init pcibios_init_platform(void)
{
      __set_io_port_base(SH7751_PCI_IO_BASE);
      return sh7751_pcic_init(&sh7751_pci_map);
}


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