1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Sam440ep board specific routines based off bamboo.c code
4*4882a593Smuzhiyun * original copyrights below
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Wade Farnsworth <wfarnsworth@mvista.com>
7*4882a593Smuzhiyun * Copyright 2004 MontaVista Software Inc.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Rewritten and ported to the merged powerpc tree:
10*4882a593Smuzhiyun * Josh Boyer <jwboyer@linux.vnet.ibm.com>
11*4882a593Smuzhiyun * Copyright 2007 IBM Corporation
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * Modified from bamboo.c for sam440ep:
14*4882a593Smuzhiyun * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun #include <linux/init.h>
17*4882a593Smuzhiyun #include <linux/of_platform.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <asm/machdep.h>
20*4882a593Smuzhiyun #include <asm/prom.h>
21*4882a593Smuzhiyun #include <asm/udbg.h>
22*4882a593Smuzhiyun #include <asm/time.h>
23*4882a593Smuzhiyun #include <asm/uic.h>
24*4882a593Smuzhiyun #include <asm/pci-bridge.h>
25*4882a593Smuzhiyun #include <asm/ppc4xx.h>
26*4882a593Smuzhiyun #include <linux/i2c.h>
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun static const struct of_device_id sam440ep_of_bus[] __initconst = {
29*4882a593Smuzhiyun { .compatible = "ibm,plb4", },
30*4882a593Smuzhiyun { .compatible = "ibm,opb", },
31*4882a593Smuzhiyun { .compatible = "ibm,ebc", },
32*4882a593Smuzhiyun {},
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
sam440ep_device_probe(void)35*4882a593Smuzhiyun static int __init sam440ep_device_probe(void)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun machine_device_initcall(sam440ep, sam440ep_device_probe);
42*4882a593Smuzhiyun
sam440ep_probe(void)43*4882a593Smuzhiyun static int __init sam440ep_probe(void)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun if (!of_machine_is_compatible("acube,sam440ep"))
46*4882a593Smuzhiyun return 0;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun pci_set_flags(PCI_REASSIGN_ALL_RSRC);
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun return 1;
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun
define_machine(sam440ep)53*4882a593Smuzhiyun define_machine(sam440ep) {
54*4882a593Smuzhiyun .name = "Sam440ep",
55*4882a593Smuzhiyun .probe = sam440ep_probe,
56*4882a593Smuzhiyun .progress = udbg_progress,
57*4882a593Smuzhiyun .init_IRQ = uic_init_tree,
58*4882a593Smuzhiyun .get_irq = uic_get_irq,
59*4882a593Smuzhiyun .restart = ppc4xx_reset_system,
60*4882a593Smuzhiyun .calibrate_decr = generic_calibrate_decr,
61*4882a593Smuzhiyun };
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun static struct i2c_board_info sam440ep_rtc_info = {
64*4882a593Smuzhiyun .type = "m41st85",
65*4882a593Smuzhiyun .addr = 0x68,
66*4882a593Smuzhiyun .irq = -1,
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun
sam440ep_setup_rtc(void)69*4882a593Smuzhiyun static int __init sam440ep_setup_rtc(void)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun machine_device_initcall(sam440ep, sam440ep_setup_rtc);
74