Merge branch 'x86/defconfig' into x86/mce2
[linux-2.6] / arch / powerpc / platforms / 44x / sam440ep.c
1 /*
2  * Sam440ep board specific routines based off bamboo.c code
3  * original copyrights below
4  *
5  * Wade Farnsworth <wfarnsworth@mvista.com>
6  * Copyright 2004 MontaVista Software Inc.
7  *
8  * Rewritten and ported to the merged powerpc tree:
9  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
10  * Copyright 2007 IBM Corporation
11  *
12  * Modified from bamboo.c for sam440ep:
13  * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
14  *
15  * This program is free software; you can redistribute  it and/or modify it
16  * under  the terms of  the GNU General  Public License as published by the
17  * Free Software Foundation;  either version 2 of the  License, or (at your
18  * option) any later version.
19  */
20 #include <linux/init.h>
21 #include <linux/of_platform.h>
22
23 #include <asm/machdep.h>
24 #include <asm/prom.h>
25 #include <asm/udbg.h>
26 #include <asm/time.h>
27 #include <asm/uic.h>
28 #include <asm/pci-bridge.h>
29 #include <asm/ppc4xx.h>
30 #include <linux/i2c.h>
31
32 static __initdata struct of_device_id sam440ep_of_bus[] = {
33         { .compatible = "ibm,plb4", },
34         { .compatible = "ibm,opb", },
35         { .compatible = "ibm,ebc", },
36         {},
37 };
38
39 static int __init sam440ep_device_probe(void)
40 {
41         of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
42
43         return 0;
44 }
45 machine_device_initcall(sam440ep, sam440ep_device_probe);
46
47 static int __init sam440ep_probe(void)
48 {
49         unsigned long root = of_get_flat_dt_root();
50
51         if (!of_flat_dt_is_compatible(root, "acube,sam440ep"))
52                 return 0;
53
54         ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
55
56         return 1;
57 }
58
59 define_machine(sam440ep) {
60         .name                   = "Sam440ep",
61         .probe                  = sam440ep_probe,
62         .progress               = udbg_progress,
63         .init_IRQ               = uic_init_tree,
64         .get_irq                = uic_get_irq,
65         .restart                = ppc4xx_reset_system,
66         .calibrate_decr         = generic_calibrate_decr,
67 };
68
69 static struct i2c_board_info sam440ep_rtc_info = {
70         .type = "m41st85",
71         .addr = 0x68,
72         .irq = -1,
73 };
74
75 static int sam440ep_setup_rtc(void)
76 {
77         return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
78 }
79 machine_device_initcall(sam440ep, sam440ep_setup_rtc);