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38f66f90 KP |
1 | /* |
2 | * arch/powerpc/platforms/83xx/mpc837x_rdb.c | |
3 | * | |
4 | * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. | |
5 | * | |
6 | * MPC837x RDB board specific routines | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/pci.h> | |
15 | #include <linux/of_platform.h> | |
16 | ||
17 | #include <asm/time.h> | |
18 | #include <asm/ipic.h> | |
19 | #include <asm/udbg.h> | |
20 | ||
21 | #include "mpc83xx.h" | |
22 | ||
23 | extern int mpc837x_usb_cfg(void); | |
24 | ||
25 | /* ************************************************************************ | |
26 | * | |
27 | * Setup the architecture | |
28 | * | |
29 | */ | |
30 | static void __init mpc837x_rdb_setup_arch(void) | |
31 | { | |
32 | #ifdef CONFIG_PCI | |
33 | struct device_node *np; | |
34 | #endif | |
35 | ||
36 | if (ppc_md.progress) | |
37 | ppc_md.progress("mpc837x_rdb_setup_arch()", 0); | |
38 | ||
39 | #ifdef CONFIG_PCI | |
40 | for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") | |
41 | mpc83xx_add_bridge(np); | |
42 | #endif | |
43 | mpc837x_usb_cfg(); | |
44 | } | |
45 | ||
46 | static struct of_device_id mpc837x_ids[] = { | |
47 | { .type = "soc", }, | |
48 | { .compatible = "soc", }, | |
49 | {}, | |
50 | }; | |
51 | ||
52 | static int __init mpc837x_declare_of_platform_devices(void) | |
53 | { | |
54 | /* Publish of_device */ | |
55 | of_platform_bus_probe(NULL, mpc837x_ids, NULL); | |
56 | ||
57 | return 0; | |
58 | } | |
59 | machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices); | |
60 | ||
61 | static void __init mpc837x_rdb_init_IRQ(void) | |
62 | { | |
63 | struct device_node *np; | |
64 | ||
65 | np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); | |
66 | if (!np) | |
67 | return; | |
68 | ||
69 | ipic_init(np, 0); | |
70 | ||
71 | /* Initialize the default interrupt mapping priorities, | |
72 | * in case the boot rom changed something on us. | |
73 | */ | |
74 | ipic_set_default_priority(); | |
75 | } | |
76 | ||
77 | /* | |
78 | * Called very early, MMU is off, device-tree isn't unflattened | |
79 | */ | |
80 | static int __init mpc837x_rdb_probe(void) | |
81 | { | |
82 | unsigned long root = of_get_flat_dt_root(); | |
83 | ||
84 | return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") || | |
85 | of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") || | |
86 | of_flat_dt_is_compatible(root, "fsl,mpc8379rdb"); | |
87 | } | |
88 | ||
89 | define_machine(mpc837x_rdb) { | |
90 | .name = "MPC837x RDB", | |
91 | .probe = mpc837x_rdb_probe, | |
92 | .setup_arch = mpc837x_rdb_setup_arch, | |
93 | .init_IRQ = mpc837x_rdb_init_IRQ, | |
94 | .get_irq = ipic_get_irq, | |
95 | .restart = mpc83xx_restart, | |
96 | .time_init = mpc83xx_time_init, | |
97 | .calibrate_decr = generic_calibrate_decr, | |
98 | .progress = udbg_progress, | |
99 | }; |