blob: ff966773a0bf3d7df32114c7e6ca289dc83a271c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * arch/ppc/platforms/cpci405.c
3 *
4 * Board setup routines for the esd CPCI-405 cPCI Board.
5 *
6 * Author: Stefan Roese
7 * stefan.roese@esd-electronics.com
8 *
9 * Copyright 2001 esd electronic system design - hannover germany
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 */
17
18#include <linux/config.h>
19#include <linux/init.h>
20#include <linux/pci.h>
21#include <asm/system.h>
22#include <asm/pci-bridge.h>
23#include <asm/machdep.h>
24#include <asm/todc.h>
25#include <asm/ocp.h>
26
27void *cpci405_nvram;
28
29/*
30 * Some IRQs unique to CPCI-405.
31 */
32int __init
33ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
34{
35 static char pci_irq_table[][4] =
36 /*
37 * PCI IDSEL/INTPIN->INTLINE
38 * A B C D
39 */
40 {
41 {28, 28, 28, 28}, /* IDSEL 15 - cPCI slot 8 */
42 {29, 29, 29, 29}, /* IDSEL 16 - cPCI slot 7 */
43 {30, 30, 30, 30}, /* IDSEL 17 - cPCI slot 6 */
44 {27, 27, 27, 27}, /* IDSEL 18 - cPCI slot 5 */
45 {28, 28, 28, 28}, /* IDSEL 19 - cPCI slot 4 */
46 {29, 29, 29, 29}, /* IDSEL 20 - cPCI slot 3 */
47 {30, 30, 30, 30}, /* IDSEL 21 - cPCI slot 2 */
48 };
49 const long min_idsel = 15, max_idsel = 21, irqs_per_slot = 4;
50 return PCI_IRQ_TABLE_LOOKUP;
51};
52
53void __init
54cpci405_setup_arch(void)
55{
56 ppc4xx_setup_arch();
57
58 ibm_ocp_set_emac(0, 0);
59
60 TODC_INIT(TODC_TYPE_MK48T35, cpci405_nvram, cpci405_nvram, cpci405_nvram, 8);
61}
62
63void __init
64cpci405_map_io(void)
65{
66 ppc4xx_map_io();
67 cpci405_nvram = ioremap(CPCI405_NVRAM_PADDR, CPCI405_NVRAM_SIZE);
68}
69
70void __init
71platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
72 unsigned long r6, unsigned long r7)
73{
74 ppc4xx_init(r3, r4, r5, r6, r7);
75
76 ppc_md.setup_arch = cpci405_setup_arch;
77 ppc_md.setup_io_mappings = cpci405_map_io;
78
79 ppc_md.time_init = todc_time_init;
80 ppc_md.set_rtc_time = todc_set_rtc_time;
81 ppc_md.get_rtc_time = todc_get_rtc_time;
82 ppc_md.nvram_read_val = todc_direct_read_val;
83 ppc_md.nvram_write_val = todc_direct_write_val;
84}