1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) 7 */ 8#include <linux/init.h> 9#include <linux/kernel.h> 10#include <linux/types.h> 11#include <linux/pci.h> 12#include <asm/titan_dep.h> 13 14extern struct pci_ops titan_pci_ops; 15 16static struct resource py_mem_resource = { 17 .start = 0xe0000000UL, 18 .end = 0xe3ffffffUL, 19 .name = "Titan PCI MEM", 20 .flags = IORESOURCE_MEM 21}; 22 23/* 24 * PMON really reserves 16MB of I/O port space but that's stupid, nothing 25 * needs that much since allocations are limited to 256 bytes per device 26 * anyway. So we just claim 64kB here. 27 */ 28#define TITAN_IO_SIZE 0x0000ffffUL 29#define TITAN_IO_BASE 0xe8000000UL 30 31static struct resource py_io_resource = { 32 .start = 0x00001000UL, 33 .end = TITAN_IO_SIZE - 1, 34 .name = "Titan IO MEM", 35 .flags = IORESOURCE_IO, 36}; 37 38static struct pci_controller py_controller = { 39 .pci_ops = &titan_pci_ops, 40 .mem_resource = &py_mem_resource, 41 .mem_offset = 0x00000000UL, 42 .io_resource = &py_io_resource, 43 .io_offset = 0x00000000UL 44}; 45 46static char ioremap_failed[] __initdata = "Could not ioremap I/O port range"; 47 48static int __init pmc_yosemite_setup(void) 49{ 50 unsigned long io_v_base; 51 52 io_v_base = (unsigned long) ioremap(TITAN_IO_BASE, TITAN_IO_SIZE); 53 if (!io_v_base) 54 panic(ioremap_failed); 55 56 set_io_port_base(io_v_base); 57 TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1); 58 59 ioport_resource.end = TITAN_IO_SIZE - 1; 60 61 register_pci_controller(&py_controller); 62 63 return 0; 64} 65 66arch_initcall(pmc_yosemite_setup); 67