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/*
* 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.h>
#include <asm/io.h>
#include "pci-sh4.h"
static char r7780rp_irq_tab[] __initdata = {
0, 1, 2, 3,
};
static char r7780mp_irq_tab[] __initdata = {
65, 66, 67, 68,
};
static char r7785rp_irq_tab[][4] __initdata = {
{ 65, 66, 67, 68 }, /* INT ABCD */
{ 66, 67, 68, 65 }, /* INT BCDA */
{ 67, 68, 65, 66 }, /* INT CDAB */
{ 68, 65, 66, 67 }, /* INT DABC */
{ 64, 64, 64, 64 }, /* PCI Host */
};
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
if (mach_is_r7780rp())
return r7780rp_irq_tab[slot];
if (mach_is_r7780mp())
return r7780mp_irq_tab[slot];
if (mach_is_r7785rp())
return r7785rp_irq_tab[slot][pin];
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);
}
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