2 * arch/sh/drivers/pci/ops-landisk.c
4 * PCI initialization for the I-O DATA Device, Inc. LANDISK board
6 * Copyright (C) 2006 kogiidena
8 * May be copied or modified under the terms of the GNU General Public
9 * License. See linux/COPYING for more information.
11 #include <linux/config.h>
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pci.h>
19 static struct resource sh7751_io_resource = {
22 .end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
23 .flags = IORESOURCE_IO
26 static struct resource sh7751_mem_resource = {
28 .start = SH7751_PCI_MEMORY_BASE,
29 .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
30 .flags = IORESOURCE_MEM
33 struct pci_channel board_pci_channels[] = {
34 {&sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0x3ff},
35 {NULL, NULL, NULL, 0, 0},
38 static struct sh4_pci_address_map sh7751_pci_map = {
40 .base = SH7751_CS3_BASE_ADDR,
41 .size = (64 << 20), /* 64MB */
44 .flags = SH4_PCIC_NO_RESET,
47 int __init pcibios_init_platform(void)
49 return sh7751_pcic_init(&sh7751_pci_map);
52 int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
55 * slot0: pin1-4 = irq5,6,7,8
56 * slot1: pin1-4 = irq6,7,8,5
57 * slot2: pin1-4 = irq7,8,5,6
58 * slot3: pin1-4 = irq8,5,6,7
60 int irq = ((slot + pin - 1) & 0x3) + 5;
62 if ((slot | (pin - 1)) > 0x3) {
63 printk("PCI: Bad IRQ mapping request for slot %d pin %c\n",