2 * linux/arch/sh/kernel/pci-rts7751r2d.c
4 * Author: Ian DaSilva (idasilva@mvista.com)
6 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
8 * May be copied or modified under the terms of the GNU General Public
9 * License. See linux/COPYING for more information.
11 * PCI initialization for the Renesas SH7751R RTS7751R2D board
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pci.h>
19 #include <linux/module.h>
20 #include <asm/rts7751r2d/rts7751r2d.h>
24 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
27 case 0: return IRQ_PCISLOT1; /* PCI Extend slot #1 */
28 case 1: return IRQ_PCISLOT2; /* PCI Extend slot #2 */
29 case 2: return IRQ_PCMCIA; /* PCI Cardbus Bridge */
30 case 3: return IRQ_PCIETH; /* Realtek Ethernet controller */
32 printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
37 static struct resource sh7751_io_resource = {
40 .end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
41 .flags = IORESOURCE_IO
44 static struct resource sh7751_mem_resource = {
46 .start = SH7751_PCI_MEMORY_BASE,
47 .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
48 .flags = IORESOURCE_MEM
51 extern struct pci_ops sh7751_pci_ops;
53 struct pci_channel board_pci_channels[] = {
54 { &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
55 { NULL, NULL, NULL, 0, 0 },
57 EXPORT_SYMBOL(board_pci_channels);
59 static struct sh4_pci_address_map sh7751_pci_map = {
61 .base = SH7751_CS3_BASE_ADDR,
66 .base = 0x00000000, /* Unused */
67 .size = 0x00000000, /* Unused */
70 .flags = SH4_PCIC_NO_RESET,
73 int __init pcibios_init_platform(void)
75 return sh7751_pcic_init(&sh7751_pci_map);