1/*
2 * iq81340sc 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;
31
32static int __init
33iq81340sc_atux_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin)
34{
35	WARN_ON(idsel < 1 || idsel > 2);
36
37	switch (idsel) {
38	case 1:
39		switch (pin) {
40		case 1: return ATUX_INTB;
41		case 2: return ATUX_INTC;
42		case 3: return ATUX_INTD;
43		case 4: return ATUX_INTA;
44		default: return -1;
45		}
46	case 2:
47		switch (pin) {
48		case 1: return ATUX_INTC;
49		case 2: return ATUX_INTC;
50		case 3: return ATUX_INTC;
51		case 4: return ATUX_INTC;
52		default: return -1;
53		}
54	default: return -1;
55	}
56}
57
58static struct hw_pci iq81340sc_pci __initdata = {
59	.nr_controllers = 0,
60	.setup		= iop13xx_pci_setup,
61	.scan		= iop13xx_scan_bus,
62	.map_irq	= iq81340sc_atux_map_irq,
63	.preinit	= iop13xx_pci_init
64};
65
66static int __init iq81340sc_pci_init(void)
67{
68	iop13xx_atu_select(&iq81340sc_pci);
69	pci_common_init(&iq81340sc_pci);
70	iop13xx_map_pci_memory();
71
72	return 0;
73}
74
75static void __init iq81340sc_init(void)
76{
77	iop13xx_platform_init();
78	iq81340sc_pci_init();
79	iop13xx_add_tpmi_devices();
80}
81
82static void __init iq81340sc_timer_init(void)
83{
84	unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
85	printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq);
86	iop_init_time(bus_freq);
87}
88
89MACHINE_START(IQ81340SC, "Intel IQ81340SC")
90	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
91	.atag_offset    = 0x100,
92	.init_early     = iop13xx_init_early,
93	.map_io         = iop13xx_map_io,
94	.init_irq       = iop13xx_init_irq,
95	.init_time	= iq81340sc_timer_init,
96	.init_machine   = iq81340sc_init,
97	.restart	= iop13xx_restart,
98	.nr_irqs	= NR_IOP13XX_IRQS,
99MACHINE_END
100