diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/powerpc/platforms/40x | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/powerpc/platforms/40x')
-rw-r--r-- | arch/powerpc/platforms/40x/hcu4.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/40x/hcu4.c b/arch/powerpc/platforms/40x/hcu4.c new file mode 100644 index 00000000000..60b2afecab7 --- /dev/null +++ b/arch/powerpc/platforms/40x/hcu4.c | |||
@@ -0,0 +1,61 @@ | |||
1 | /* | ||
2 | * Architecture- / platform-specific boot-time initialization code for | ||
3 | * IBM PowerPC 4xx based boards. Adapted from original | ||
4 | * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek | ||
5 | * <dan@net4x.com>. | ||
6 | * | ||
7 | * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu> | ||
8 | * | ||
9 | * Rewritten and ported to the merged powerpc tree: | ||
10 | * Copyright 2007 IBM Corporation | ||
11 | * Josh Boyer <jwboyer@linux.vnet.ibm.com> | ||
12 | * | ||
13 | * 2002 (c) MontaVista, Software, Inc. This file is licensed under | ||
14 | * the terms of the GNU General Public License version 2. This program | ||
15 | * is licensed "as is" without any warranty of any kind, whether express | ||
16 | * or implied. | ||
17 | */ | ||
18 | |||
19 | #include <linux/init.h> | ||
20 | #include <linux/of_platform.h> | ||
21 | |||
22 | #include <asm/machdep.h> | ||
23 | #include <asm/prom.h> | ||
24 | #include <asm/udbg.h> | ||
25 | #include <asm/time.h> | ||
26 | #include <asm/uic.h> | ||
27 | #include <asm/ppc4xx.h> | ||
28 | |||
29 | static __initdata struct of_device_id hcu4_of_bus[] = { | ||
30 | { .compatible = "ibm,plb3", }, | ||
31 | { .compatible = "ibm,opb", }, | ||
32 | { .compatible = "ibm,ebc", }, | ||
33 | {}, | ||
34 | }; | ||
35 | |||
36 | static int __init hcu4_device_probe(void) | ||
37 | { | ||
38 | of_platform_bus_probe(NULL, hcu4_of_bus, NULL); | ||
39 | return 0; | ||
40 | } | ||
41 | machine_device_initcall(hcu4, hcu4_device_probe); | ||
42 | |||
43 | static int __init hcu4_probe(void) | ||
44 | { | ||
45 | unsigned long root = of_get_flat_dt_root(); | ||
46 | |||
47 | if (!of_flat_dt_is_compatible(root, "netstal,hcu4")) | ||
48 | return 0; | ||
49 | |||
50 | return 1; | ||
51 | } | ||
52 | |||
53 | define_machine(hcu4) { | ||
54 | .name = "HCU4", | ||
55 | .probe = hcu4_probe, | ||
56 | .progress = udbg_progress, | ||
57 | .init_IRQ = uic_init_tree, | ||
58 | .get_irq = uic_get_irq, | ||
59 | .restart = ppc4xx_reset_system, | ||
60 | .calibrate_decr = generic_calibrate_decr, | ||
61 | }; | ||