1 /*
2 * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
3 *
4 * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
5 *
6 * Description:
7 * MPC5121 ADS board setup
8 *
9 * This is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/io.h>
18 #include <linux/of_platform.h>
19
20 #include <asm/machdep.h>
21 #include <asm/ipic.h>
22 #include <asm/prom.h>
23 #include <asm/time.h>
24
25 #include <sysdev/fsl_pci.h>
26
27 #include "mpc512x.h"
28 #include "mpc5121_ads.h"
29
mpc5121_ads_setup_arch(void)30 static void __init mpc5121_ads_setup_arch(void)
31 {
32 #ifdef CONFIG_PCI
33 struct device_node *np;
34 #endif
35 printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
36 /*
37 * cpld regs are needed early
38 */
39 mpc5121_ads_cpld_map();
40
41 #ifdef CONFIG_PCI
42 for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
43 mpc83xx_add_bridge(np);
44 #endif
45 mpc512x_setup_diu();
46 }
47
mpc5121_ads_init_IRQ(void)48 static void __init mpc5121_ads_init_IRQ(void)
49 {
50 mpc512x_init_IRQ();
51 mpc5121_ads_cpld_pic_init();
52 }
53
54 /*
55 * Called very early, MMU is off, device-tree isn't unflattened
56 */
mpc5121_ads_probe(void)57 static int __init mpc5121_ads_probe(void)
58 {
59 unsigned long root = of_get_flat_dt_root();
60
61 return of_flat_dt_is_compatible(root, "fsl,mpc5121ads");
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 .init = mpc512x_init,
69 .init_early = mpc512x_init_diu,
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