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/time.h>
18 
19 #include <sysdev/fsl_pci.h>
20 
21 #include "mpc512x.h"
22 #include "mpc5121_ads.h"
23 
mpc5121_ads_setup_arch(void)24 static void __init mpc5121_ads_setup_arch(void)
25 {
26 	printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
27 	/*
28 	 * cpld regs are needed early
29 	 */
30 	mpc5121_ads_cpld_map();
31 
32 	mpc512x_setup_arch();
33 }
34 
mpc5121_ads_setup_pci(void)35 static void __init mpc5121_ads_setup_pci(void)
36 {
37 #ifdef CONFIG_PCI
38 	struct device_node *np;
39 
40 	for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
41 		mpc83xx_add_bridge(np);
42 #endif
43 }
44 
mpc5121_ads_init_IRQ(void)45 static void __init mpc5121_ads_init_IRQ(void)
46 {
47 	mpc512x_init_IRQ();
48 	mpc5121_ads_cpld_pic_init();
49 }
50 
51 /*
52  * Called very early, MMU is off, device-tree isn't unflattened
53  */
mpc5121_ads_probe(void)54 static int __init mpc5121_ads_probe(void)
55 {
56 	if (!of_machine_is_compatible("fsl,mpc5121ads"))
57 		return 0;
58 
59 	mpc512x_init_early();
60 
61 	return 1;
62 }
63 
define_machine(mpc5121_ads)64 define_machine(mpc5121_ads) {
65 	.name			= "MPC5121 ADS",
66 	.probe			= mpc5121_ads_probe,
67 	.setup_arch		= mpc5121_ads_setup_arch,
68 	.discover_phbs		= mpc5121_ads_setup_pci,
69 	.init			= mpc512x_init,
70 	.init_IRQ		= mpc5121_ads_init_IRQ,
71 	.get_irq		= ipic_get_irq,
72 	.calibrate_decr		= generic_calibrate_decr,
73 	.restart		= mpc512x_restart,
74 };
75