Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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    = 0x4000 + 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)

{

        return sh7751_pcic_init(&sh7751_pci_map);

}