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Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc837x_mds.c')
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_mds.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
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index 000000000000..166c1116b1ac
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+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -0,0 +1,104 @@
1/*
2 * arch/powerpc/platforms/83xx/mpc837x_mds.c
3 *
4 * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
5 *
6 * MPC837x MDS 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.h>
16#include <linux/of_platform.h>
17
18#include <asm/time.h>
19#include <asm/ipic.h>
20#include <asm/udbg.h>
21#include <asm/prom.h>
22
23#include "mpc83xx.h"
24
25#ifndef CONFIG_PCI
26unsigned long isa_io_base = 0;
27unsigned long isa_mem_base = 0;
28#endif
29
30/* ************************************************************************
31 *
32 * Setup the architecture
33 *
34 */
35static void __init mpc837x_mds_setup_arch(void)
36{
37#ifdef CONFIG_PCI
38 struct device_node *np;
39#endif
40
41 if (ppc_md.progress)
42 ppc_md.progress("mpc837x_mds_setup_arch()", 0);
43
44#ifdef CONFIG_PCI
45 for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
46 mpc83xx_add_bridge(np);
47#endif
48}
49
50static struct of_device_id mpc837x_ids[] = {
51 { .type = "soc", },
52 { .compatible = "soc", },
53 {},
54};
55
56static int __init mpc837x_declare_of_platform_devices(void)
57{
58 if (!machine_is(mpc837x_mds))
59 return 0;
60
61 /* Publish of_device */
62 of_platform_bus_probe(NULL, mpc837x_ids, NULL);
63
64 return 0;
65}
66device_initcall(mpc837x_declare_of_platform_devices);
67
68static void __init mpc837x_mds_init_IRQ(void)
69{
70 struct device_node *np;
71
72 np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
73 if (!np)
74 return;
75
76 ipic_init(np, 0);
77
78 /* Initialize the default interrupt mapping priorities,
79 * in case the boot rom changed something on us.
80 */
81 ipic_set_default_priority();
82}
83
84/*
85 * Called very early, MMU is off, device-tree isn't unflattened
86 */
87static int __init mpc837x_mds_probe(void)
88{
89 unsigned long root = of_get_flat_dt_root();
90
91 return of_flat_dt_is_compatible(root, "fsl,mpc837xmds");
92}
93
94define_machine(mpc837x_mds) {
95 .name = "MPC837x MDS",
96 .probe = mpc837x_mds_probe,
97 .setup_arch = mpc837x_mds_setup_arch,
98 .init_IRQ = mpc837x_mds_init_IRQ,
99 .get_irq = ipic_get_irq,
100 .restart = mpc83xx_restart,
101 .time_init = mpc83xx_time_init,
102 .calibrate_decr = generic_calibrate_decr,
103 .progress = udbg_progress,
104};