1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* arch/powerpc/platforms/83xx/sbc834x.c
*
* Wind River SBC834x board specific routines
*
* By Paul Gortmaker (see MAINTAINERS for contact information)
*
* Based largely on the mpc834x_mds.c support by Kumar Gala.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/of_platform.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/ipic.h>
#include <asm/irq.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc83xx.h"
/* ************************************************************************
*
* Setup the architecture
*
*/
static void __init sbc834x_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("sbc834x_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
mpc83xx_add_bridge(np);
#endif
}
static void __init sbc834x_init_IRQ(void)
{
struct device_node *np;
np = of_find_node_by_type(NULL, "ipic");
if (!np)
return;
ipic_init(np, 0);
/* Initialize the default interrupt mapping priorities,
* in case the boot rom changed something on us.
*/
ipic_set_default_priority();
of_node_put(np);
}
static struct __initdata of_device_id sbc834x_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{},
};
static int __init sbc834x_declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, sbc834x_ids, NULL);
return 0;
}
machine_device_initcall(sbc834x, sbc834x_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
static int __init sbc834x_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "SBC834x");
}
define_machine(sbc834x) {
.name = "SBC834x",
.probe = sbc834x_probe,
.setup_arch = sbc834x_setup_arch,
.init_IRQ = sbc834x_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
|
