blob: 6e3ba9c65b40534de3d65f3c9a358d52d3476853 [file] [log] [blame]
/*
* 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 SH7780 Highlander R7780RP-1 board
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <asm/r7780rp/r7780rp.h>
#include <asm/io.h>
#include "pci-sh4.h"
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
switch (slot) {
case 0: return IRQ_PCISLOT1; /* PCI Interrupt #1 */
case 1: return IRQ_PCISLOT2; /* PCI Interrupt #2 */
case 2: return IRQ_PCISLOT3; /* PCI Interrupt #3 */
case 3: return IRQ_PCISLOT4; /* PCI Interrupt E4 */
default:
printk(KERN_ERR "PCI: Bad IRQ mapping "
"request for slot %d, func %d\n", slot, pin-1);
return -1;
}
}
static struct resource sh7780_io_resource = {
.name = "SH7780_IO",
.start = 0x2000,
.end = 0x2000 + SH7780_PCI_IO_SIZE - 1,
.flags = IORESOURCE_IO
};
static struct resource sh7780_mem_resource = {
.name = "SH7780_mem",
.start = SH7780_PCI_MEMORY_BASE,
.end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
.flags = IORESOURCE_MEM
};
extern struct pci_ops sh7780_pci_ops;
struct pci_channel board_pci_channels[] = {
{ &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
{ NULL, NULL, NULL, 0, 0 },
};
EXPORT_SYMBOL(board_pci_channels);
static struct sh4_pci_address_map sh7780_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)
{
return sh7780_pcic_init(&sh7780_pci_map);
}