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