1/* 2 * Author: Ian DaSilva (idasilva@mvista.com) 3 * 4 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. 5 * 6 * May be copied or modified under the terms of the GNU General Public 7 * License. See linux/COPYING for more information. 8 * 9 * PCI initialization for the Renesas SH7780 Highlander R7780RP-1 board 10 */ 11#include <linux/kernel.h> 12#include <linux/types.h> 13#include <linux/init.h> 14#include <linux/delay.h> 15#include <linux/pci.h> 16#include <asm/r7780rp.h> 17#include <asm/io.h> 18#include "pci-sh4.h" 19 20static char r7780rp_irq_tab[] __initdata = { 21 0, 1, 2, 3, 22}; 23 24static char r7780mp_irq_tab[] __initdata = { 25 65, 66, 67, 68, 26}; 27 28int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) 29{ 30 if (mach_is_r7780rp()) 31 return r7780rp_irq_tab[slot]; 32 if (mach_is_r7780mp() || mach_is_r7785rp()) 33 return r7780mp_irq_tab[slot]; 34 35 printk(KERN_ERR "PCI: Bad IRQ mapping " 36 "request for slot %d, func %d\n", slot, pin-1); 37 38 return -1; 39} 40 41static struct resource sh7780_io_resource = { 42 .name = "SH7780_IO", 43 .start = 0x2000, 44 .end = 0x2000 + SH7780_PCI_IO_SIZE - 1, 45 .flags = IORESOURCE_IO 46}; 47 48static struct resource sh7780_mem_resource = { 49 .name = "SH7780_mem", 50 .start = SH7780_PCI_MEMORY_BASE, 51 .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1, 52 .flags = IORESOURCE_MEM 53}; 54 55extern struct pci_ops sh7780_pci_ops; 56 57struct pci_channel board_pci_channels[] = { 58 { &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff }, 59 { NULL, NULL, NULL, 0, 0 }, 60}; 61EXPORT_SYMBOL(board_pci_channels); 62 63static struct sh4_pci_address_map sh7780_pci_map = { 64 .window0 = { 65 .base = SH7780_CS2_BASE_ADDR, 66 .size = 0x04000000, 67 }, 68 69 .window1 = { 70 .base = SH7780_CS3_BASE_ADDR, 71 .size = 0x04000000, 72 }, 73 74 .flags = SH4_PCIC_NO_RESET, 75}; 76 77int __init pcibios_init_platform(void) 78{ 79 return sh7780_pcic_init(&sh7780_pci_map); 80} 81