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
mpc5121_ads_setup_arch(void)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
mpc5121_ads_setup_pci(void)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
mpc5121_ads_init_IRQ(void)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 */
mpc5121_ads_probe(void)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
define_machine(mpc5121_ads)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