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1da177e4 LT |
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 | ||
14 | extern struct pci_ops titan_pci_ops; | |
15 | ||
16 | static struct resource py_mem_resource = { | |
5e46c3ae RB |
17 | .start = 0xe0000000UL, |
18 | .end = 0xe3ffffffUL, | |
19 | .name = "Titan PCI MEM", | |
20 | .flags = IORESOURCE_MEM | |
1da177e4 LT |
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 | ||
31 | static struct resource py_io_resource = { | |
5e46c3ae RB |
32 | .start = 0x00001000UL, |
33 | .end = TITAN_IO_SIZE - 1, | |
34 | .name = "Titan IO MEM", | |
35 | .flags = IORESOURCE_IO, | |
1da177e4 LT |
36 | }; |
37 | ||
38 | static 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 | ||
46 | static char ioremap_failed[] __initdata = "Could not ioremap I/O port range"; | |
47 | ||
48 | static 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); | |
8faf2e6c | 57 | py_controller.io_map_base = io_v_base; |
1da177e4 LT |
58 | TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1); |
59 | ||
60 | ioport_resource.end = TITAN_IO_SIZE - 1; | |
61 | ||
62 | register_pci_controller(&py_controller); | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | arch_initcall(pmc_yosemite_setup); |