1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
4  *
5  * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
6  *
7  * Description:
8  * MPC5121 ADS board setup
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/io.h>
13 #include <linux/of_platform.h>
14 
15 #include <asm/machdep.h>
16 #include <asm/ipic.h>
17 #include <asm/prom.h>
18 #include <asm/time.h>
19 
20 #include <sysdev/fsl_pci.h>
21 
22 #include "mpc512x.h"
23 #include "mpc5121_ads.h"
24 
25 static void __init mpc5121_ads_setup_arch(void)
26 {
27 	printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
28 	/*
29 	 * cpld regs are needed early
30 	 */
31 	mpc5121_ads_cpld_map();
32 
33 	mpc512x_setup_arch();
34 }
35 
36 static void __init mpc5121_ads_setup_pci(void)
37 {
38 #ifdef CONFIG_PCI
39 	struct device_node *np;
40 
41 	for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
42 		mpc83xx_add_bridge(np);
43 #endif
44 }
45 
46 static void __init mpc5121_ads_init_IRQ(void)
47 {
48 	mpc512x_init_IRQ();
49 	mpc5121_ads_cpld_pic_init();
50 }
51 
52 /*
53  * Called very early, MMU is off, device-tree isn't unflattened
54  */
55 static int __init mpc5121_ads_probe(void)
56 {
57 	if (!of_machine_is_compatible("fsl,mpc5121ads"))
58 		return 0;
59 
60 	mpc512x_init_early();
61 
62 	return 1;
63 }
64 
65 define_machine(mpc5121_ads) {
66 	.name			= "MPC5121 ADS",
67 	.probe			= mpc5121_ads_probe,
68 	.setup_arch		= mpc5121_ads_setup_arch,
69 	.discover_phbs		= mpc5121_ads_setup_pci,
70 	.init			= mpc512x_init,
71 	.init_IRQ		= mpc5121_ads_init_IRQ,
72 	.get_irq		= ipic_get_irq,
73 	.calibrate_decr		= generic_calibrate_decr,
74 	.restart		= mpc512x_restart,
75 };
76