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
30 extern int init_atu;
31
32 static int __init
iq81340sc_atux_map_irq(struct pci_dev * dev,u8 idsel,u8 pin)33 iq81340sc_atux_map_irq(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
58 static struct hw_pci iq81340sc_pci __initdata = {
59 .swizzle = pci_std_swizzle,
60 .nr_controllers = 0,
61 .setup = iop13xx_pci_setup,
62 .scan = iop13xx_scan_bus,
63 .map_irq = iq81340sc_atux_map_irq,
64 .preinit = iop13xx_pci_init
65 };
66
iq81340sc_pci_init(void)67 static int __init iq81340sc_pci_init(void)
68 {
69 iop13xx_atu_select(&iq81340sc_pci);
70 pci_common_init(&iq81340sc_pci);
71 iop13xx_map_pci_memory();
72
73 return 0;
74 }
75
iq81340sc_init(void)76 static void __init iq81340sc_init(void)
77 {
78 iop13xx_platform_init();
79 iq81340sc_pci_init();
80 iop13xx_add_tpmi_devices();
81 }
82
iq81340sc_timer_init(void)83 static void __init iq81340sc_timer_init(void)
84 {
85 unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
86 printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq);
87 iop_init_time(bus_freq);
88 }
89
90 static struct sys_timer iq81340sc_timer = {
91 .init = iq81340sc_timer_init,
92 };
93
94 MACHINE_START(IQ81340SC, "Intel IQ81340SC")
95 /* Maintainer: Dan Williams <dan.j.williams@intel.com> */
96 .boot_params = 0x00000100,
97 .map_io = iop13xx_map_io,
98 .init_irq = iop13xx_init_irq,
99 .timer = &iq81340sc_timer,
100 .init_machine = iq81340sc_init,
101 MACHINE_END
102