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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* MPC85xx RDB Board Setup
*
* Copyright 2009 Freescale Semiconductor Inc.
*
* 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/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
#else
#define DBG(fmt, args...)
#endif
void __init mpc85xx_rdb_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np;
unsigned long root = of_get_flat_dt_root();
np = of_find_node_by_type(NULL, "open-pic");
if (np == NULL) {
printk(KERN_ERR "Could not find open-pic node\n");
return;
}
if (of_address_to_resource(np, 0, &r)) {
printk(KERN_ERR "Failed to map mpic register space\n");
of_node_put(np);
return;
}
if (of_flat_dt_is_compatible(root, "fsl,85XXRDB-CAMP")) {
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " OpenPIC ");
} else {
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
}
BUG_ON(mpic == NULL);
of_node_put(np);
mpic_init(mpic);
}
/*
* Setup the architecture
*/
#ifdef CONFIG_SMP
extern void __init mpc85xx_smp_init(void);
#endif
static void __init mpc85xx_rdb_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_node_by_type(np, "pci") {
if (of_device_is_compatible(np, "fsl,mpc8548-pcie"))
fsl_add_bridge(np, 0);
}
#endif
#ifdef CONFIG_SMP
mpc85xx_smp_init();
#endif
printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
}
static struct of_device_id __initdata mpc85xxrdb_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
{ .compatible = "gianfar", },
{},
};
static int __init mpc85xxrdb_publish_devices(void)
{
return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL);
}
machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices);
machine_device_initcall(p1020_rdb, mpc85xxrdb_publish_devices);
/*
* Called very early, device-tree isn't unflattened
*/
static int __init p2020_rdb_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
return 1;
return 0;
}
static int __init p1020_rdb_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "fsl,P1020RDB"))
return 1;
return 0;
}
define_machine(p2020_rdb) {
.name = "P2020 RDB",
.probe = p2020_rdb_probe,
.setup_arch = mpc85xx_rdb_setup_arch,
.init_IRQ = mpc85xx_rdb_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_irq,
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
define_machine(p1020_rdb) {
.name = "P1020 RDB",
.probe = p1020_rdb_probe,
.setup_arch = mpc85xx_rdb_setup_arch,
.init_IRQ = mpc85xx_rdb_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_irq,
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
|
