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
6 * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
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>
14 extern struct pci_ops titan_pci_ops;
16 static struct resource py_mem_resource = {
17 "Titan PCI MEM", 0xe0000000UL, 0xe3ffffffUL, IORESOURCE_MEM
21 * PMON really reserves 16MB of I/O port space but that's stupid, nothing
22 * needs that much since allocations are limited to 256 bytes per device
23 * anyway. So we just claim 64kB here.
25 #define TITAN_IO_SIZE 0x0000ffffUL
26 #define TITAN_IO_BASE 0xe8000000UL
28 static struct resource py_io_resource = {
29 "Titan IO MEM", 0x00001000UL, TITAN_IO_SIZE - 1, IORESOURCE_IO,
32 static struct pci_controller py_controller = {
33 .pci_ops = &titan_pci_ops,
34 .mem_resource = &py_mem_resource,
35 .mem_offset = 0x00000000UL,
36 .io_resource = &py_io_resource,
37 .io_offset = 0x00000000UL
40 static char ioremap_failed[] __initdata = "Could not ioremap I/O port range";
42 static int __init pmc_yosemite_setup(void)
44 unsigned long io_v_base;
46 io_v_base = (unsigned long) ioremap(TITAN_IO_BASE, TITAN_IO_SIZE);
48 panic(ioremap_failed);
50 set_io_port_base(io_v_base);
51 TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1);
53 ioport_resource.end = TITAN_IO_SIZE - 1;
55 register_pci_controller(&py_controller);
60 arch_initcall(pmc_yosemite_setup);