1 /*
2 * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
3 *
4 * Author: John Rigby, <jrigby@freescale.com>
5 *
6 * Description:
7 * MPC5121 SoC 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/of_platform.h>
18
19 #include <asm/machdep.h>
20 #include <asm/ipic.h>
21 #include <asm/prom.h>
22 #include <asm/time.h>
23
24 #include "mpc512x.h"
25
26 /*
27 * list of supported boards
28 */
29 static char *board[] __initdata = {
30 "prt,prtlvt",
31 NULL
32 };
33
34 /*
35 * Called very early, MMU is off, device-tree isn't unflattened
36 */
mpc5121_generic_probe(void)37 static int __init mpc5121_generic_probe(void)
38 {
39 unsigned long node = of_get_flat_dt_root();
40 int i = 0;
41
42 while (board[i]) {
43 if (of_flat_dt_is_compatible(node, board[i]))
44 break;
45 i++;
46 }
47
48 return board[i] != NULL;
49 }
50
define_machine(mpc5121_generic)51 define_machine(mpc5121_generic) {
52 .name = "MPC5121 generic",
53 .probe = mpc5121_generic_probe,
54 .init = mpc512x_declare_of_platform_devices,
55 .init_IRQ = mpc512x_init_IRQ,
56 .get_irq = ipic_get_irq,
57 .calibrate_decr = generic_calibrate_decr,
58 };
59