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ops-titan.c

/*
 * arch/sh/drivers/pci/ops-titan.c
 *
 * Ported to new API by Paul Mundt <lethal@linux-sh.org>
 *
 * Modified from ops-snapgear.c written by  David McCullough
 * 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 Titan boards
 */
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/io.h>
#include <asm/titan.h>
#include "pci-sh4.h"

static char titan_irq_tab[] __initdata = {
      TITAN_IRQ_WAN,
      TITAN_IRQ_LAN,
      TITAN_IRQ_MPCIA,
      TITAN_IRQ_MPCIB,
      TITAN_IRQ_USB,
};

int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
      int irq = titan_irq_tab[slot];

      printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
            slot, pin - 1 + 'A', irq);

      return irq;
}

static struct resource sh7751_io_resource = {
      .name = "SH7751_IO",
      .start      = SH7751_PCI_IO_BASE,
      .end  = SH7751_PCI_IO_BASE + 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
};

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_CS2_BASE_ADDR,
            .size = SH7751_MEM_REGION_SIZE*2,   /* cs2 and cs3 */
      },

      .window1    = {
            .base = SH7751_CS2_BASE_ADDR,
            .size = SH7751_MEM_REGION_SIZE*2,
      },

      .flags      = SH4_PCIC_NO_RESET,
};

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

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