1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Sam440ep board specific routines based off bamboo.c code
4 * original copyrights below
5 *
6 * Wade Farnsworth <wfarnsworth@mvista.com>
7 * Copyright 2004 MontaVista Software Inc.
8 *
9 * Rewritten and ported to the merged powerpc tree:
10 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
11 * Copyright 2007 IBM Corporation
12 *
13 * Modified from bamboo.c for sam440ep:
14 * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
15 */
16 #include <linux/init.h>
17 #include <linux/of_platform.h>
18
19 #include <asm/machdep.h>
20 #include <asm/udbg.h>
21 #include <asm/time.h>
22 #include <asm/uic.h>
23 #include <asm/pci-bridge.h>
24 #include <asm/ppc4xx.h>
25 #include <linux/i2c.h>
26
27 static const struct of_device_id sam440ep_of_bus[] __initconst = {
28 { .compatible = "ibm,plb4", },
29 { .compatible = "ibm,opb", },
30 { .compatible = "ibm,ebc", },
31 {},
32 };
33
34 static int __init sam440ep_device_probe(void)
35 {
36 of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
37
38 return 0;
39 }
40 machine_device_initcall(sam440ep, sam440ep_device_probe);
41
42 static int __init sam440ep_probe(void)
43 {
44 pci_set_flags(PCI_REASSIGN_ALL_RSRC);
45
46 return 1;
47 }
48
49 define_machine(sam440ep) {
50 .name = "Sam440ep",
51 .compatible = "acube,sam440ep",
52 .probe = sam440ep_probe,
53 .progress = udbg_progress,
54 .init_IRQ = uic_init_tree,
55 .get_irq = uic_get_irq,
56 .restart = ppc4xx_reset_system,
57 };
58
59 static struct i2c_board_info sam440ep_rtc_info = {
60 .type = "m41st85",
61 .addr = 0x68,
62 .irq = -1,
63 };
64
65 static int __init sam440ep_setup_rtc(void)
66 {
67 return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
68 }
69 machine_device_initcall(sam440ep, sam440ep_setup_rtc);
70
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