00e8c494a1
Updates for the landisk board: - The push_switch framework was used. - landisk_pwb.c was divided into psw.c and gio.c. - pata_platform was supported in USL-5P. - irq.c was rewritten. - io.c was replaced with generic I/O routines. Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
|
|
* arch/sh/drivers/pci/ops-landisk.c
|
|
*
|
|
* PCI initialization for the I-O DATA Device, Inc. LANDISK board
|
|
*
|
|
* Copyright (C) 2006 kogiidena
|
|
*
|
|
* 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 "pci-sh4.h"
|
|
|
|
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, 0x3ff},
|
|
{NULL, NULL, NULL, 0, 0},
|
|
};
|
|
|
|
static struct sh4_pci_address_map sh7751_pci_map = {
|
|
.window0 = {
|
|
.base = SH7751_CS3_BASE_ADDR,
|
|
.size = (64 << 20), /* 64MB */
|
|
},
|
|
|
|
.flags = SH4_PCIC_NO_RESET,
|
|
};
|
|
|
|
int __init pcibios_init_platform(void)
|
|
{
|
|
return sh7751_pcic_init(&sh7751_pci_map);
|
|
}
|
|
|
|
int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
|
|
{
|
|
/*
|
|
* slot0: pin1-4 = irq5,6,7,8
|
|
* slot1: pin1-4 = irq6,7,8,5
|
|
* slot2: pin1-4 = irq7,8,5,6
|
|
* slot3: pin1-4 = irq8,5,6,7
|
|
*/
|
|
int irq = ((slot + pin - 1) & 0x3) + 5;
|
|
|
|
if ((slot | (pin - 1)) > 0x3) {
|
|
printk("PCI: Bad IRQ mapping request for slot %d pin %c\n",
|
|
slot, pin - 1 + 'A');
|
|
return -1;
|
|
}
|
|
return irq;
|
|
}
|