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mpc5121_ads.c
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1 /*
2  * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
3  *
4  * Author: John Rigby, <[email protected]>, 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 
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  */
40 
41 #ifdef CONFIG_PCI
42  for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
43  mpc83xx_add_bridge(np);
44 #endif
46 }
47 
48 static void __init mpc5121_ads_init_IRQ(void)
49 {
52 }
53 
54 /*
55  * Called very early, MMU is off, device-tree isn't unflattened
56  */
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 
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 };