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/prom.h>
21#include <asm/udbg.h>
22#include <asm/time.h>
23#include <asm/uic.h>
24#include <asm/pci-bridge.h>
25#include <asm/ppc4xx.h>
26#include <linux/i2c.h>
27
28static const struct of_device_id sam440ep_of_bus[] __initconst = {
29	{ .compatible = "ibm,plb4", },
30	{ .compatible = "ibm,opb", },
31	{ .compatible = "ibm,ebc", },
32	{},
33};
34
35static int __init sam440ep_device_probe(void)
36{
37	of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
38
39	return 0;
40}
41machine_device_initcall(sam440ep, sam440ep_device_probe);
42
43static int __init sam440ep_probe(void)
44{
45	if (!of_machine_is_compatible("acube,sam440ep"))
46		return 0;
47
48	pci_set_flags(PCI_REASSIGN_ALL_RSRC);
49
50	return 1;
51}
52
53define_machine(sam440ep) {
54	.name 			= "Sam440ep",
55	.probe 			= sam440ep_probe,
56	.progress 		= udbg_progress,
57	.init_IRQ 		= uic_init_tree,
58	.get_irq 		= uic_get_irq,
59	.restart		= ppc4xx_reset_system,
60	.calibrate_decr 	= generic_calibrate_decr,
61};
62
63static struct i2c_board_info sam440ep_rtc_info = {
64	.type = "m41st85",
65	.addr = 0x68,
66	.irq = -1,
67};
68
69static int __init sam440ep_setup_rtc(void)
70{
71	return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
72}
73machine_device_initcall(sam440ep, sam440ep_setup_rtc);
74