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ops-sdk7780.c

/*
 * linux/arch/sh/drivers/pci/ops-sdk7780.c
 *
 * Copyright (C) 2006  Nobuhiro Iwamatsu
 *
 * PCI initialization for the SDK7780SE03
 *
 * May be copied or modified under the terms of the GNU General Public
 * License.  See linux/COPYING for more information.
 */
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <asm/sdk7780.h>
#include <asm/io.h>
#include "pci-sh4.h"

/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
static char sdk7780_irq_tab[4][16] __initdata = {
      /* INTA */
      { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
      /* INTB */
      { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
      /* INTC */
      { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
      /* INTD */
      { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
};

int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
       return sdk7780_irq_tab[pin-1][slot];
}

static struct resource sdk7780_io_resource = {
      .name = "SH7780_IO",
      .start      = SH7780_PCI_IO_BASE,
      .end  = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
      .flags      = IORESOURCE_IO
};

static struct resource sdk7780_mem_resource = {
      .name = "SH7780_mem",
      .start      = SH7780_PCI_MEMORY_BASE,
      .end  = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
      .flags      = IORESOURCE_MEM
};

struct pci_channel board_pci_channels[] = {
      { &sh4_pci_ops, &sdk7780_io_resource, &sdk7780_mem_resource, 0, 0xff },
      { NULL, NULL, NULL, 0, 0 },
};
EXPORT_SYMBOL(board_pci_channels);

static struct sh4_pci_address_map sdk7780_pci_map = {
      .window0    = {
            .base = SH7780_CS2_BASE_ADDR,
            .size = 0x04000000,
      },
      .window1    = {
            .base = SH7780_CS3_BASE_ADDR,
            .size = 0x04000000,
      },
      .flags      = SH4_PCIC_NO_RESET,
};

int __init pcibios_init_platform(void)
{
      printk(KERN_INFO "SH7780 PCI: Finished initializing PCI controller\n");
      return sh7780_pcic_init(&sdk7780_pci_map);
}

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