1/*
2 * iq81340mc board support
3 * Copyright (c) 2005-2006, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
17 *
18 */
19#include <linux/pci.h>
20
21#include <mach/hardware.h>
22#include <asm/irq.h>
23#include <asm/mach/pci.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <mach/pci.h>
27#include <asm/mach/time.h>
28#include <mach/time.h>
29
30extern int init_atu; /* Flag to select which ATU(s) to initialize / disable */
31
32static int __init
33iq81340mc_pcix_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin)
34{
35	switch (idsel) {
36	case 1:
37		switch (pin) {
38		case 1: return ATUX_INTB;
39		case 2: return ATUX_INTC;
40		case 3: return ATUX_INTD;
41		case 4: return ATUX_INTA;
42		default: return -1;
43		}
44	case 2:
45		switch (pin) {
46		case 1: return ATUX_INTC;
47		case 2: return ATUX_INTD;
48		case 3: return ATUX_INTC;
49		case 4: return ATUX_INTD;
50		default: return -1;
51		}
52	default: return -1;
53	}
54}
55
56static struct hw_pci iq81340mc_pci __initdata = {
57	.nr_controllers = 0,
58	.setup		= iop13xx_pci_setup,
59	.map_irq	= iq81340mc_pcix_map_irq,
60	.scan		= iop13xx_scan_bus,
61	.preinit	= iop13xx_pci_init,
62};
63
64static int __init iq81340mc_pci_init(void)
65{
66	iop13xx_atu_select(&iq81340mc_pci);
67	pci_common_init(&iq81340mc_pci);
68	iop13xx_map_pci_memory();
69
70	return 0;
71}
72
73static void __init iq81340mc_init(void)
74{
75	iop13xx_platform_init();
76	iq81340mc_pci_init();
77	iop13xx_add_tpmi_devices();
78}
79
80static void __init iq81340mc_timer_init(void)
81{
82	unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
83	printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq);
84	iop_init_time(bus_freq);
85}
86
87MACHINE_START(IQ81340MC, "Intel IQ81340MC")
88	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
89	.atag_offset    = 0x100,
90	.init_early     = iop13xx_init_early,
91	.map_io         = iop13xx_map_io,
92	.init_irq       = iop13xx_init_irq,
93	.init_time	= iq81340mc_timer_init,
94	.init_machine   = iq81340mc_init,
95	.restart	= iop13xx_restart,
96	.nr_irqs	= NR_IOP13XX_IRQS,
97MACHINE_END
98