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
|
/*
* arch/powerpc/platforms/83xx/mpc832x_rdb.c
*
* Copyright (C) Freescale Semiconductor, Inc. 2007. All rights reserved.
*
* Description:
* MPC832x RDB board specific routines.
* This file is based on mpc832x_mds.c and mpc8313_rdb.c
* Author: Michael Barkowski <michael.barkowski@freescale.com>
*
* 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/pci.h>
#include <asm/of_platform.h>
#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <asm/qe.h>
#include <asm/qe_ic.h>
#include "mpc83xx.h"
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
#endif
/* ************************************************************************
*
* Setup the architecture
*
*/
static void __init mpc832x_rdb_setup_arch(void)
{
#if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE)
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("mpc832x_rdb_setup_arch()", 0);
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
mpc83xx_add_bridge(np);
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
if ((np = of_find_node_by_name(np, "par_io")) != NULL) {
par_io_init(np);
of_node_put(np);
for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
par_io_of_config(np);
}
#endif /* CONFIG_QUICC_ENGINE */
}
static struct of_device_id mpc832x_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .type = "qe", },
{},
};
static int __init mpc832x_declare_of_platform_devices(void)
{
if (!machine_is(mpc832x_rdb))
return 0;
/* Publish the QE devices */
of_platform_bus_probe(NULL, mpc832x_ids, NULL);
return 0;
}
device_initcall(mpc832x_declare_of_platform_devices);
void __init mpc832x_rdb_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);
#ifdef CONFIG_QUICC_ENGINE
np = of_find_node_by_type(NULL, "qeic");
if (!np)
return;
qe_ic_init(np, 0);
of_node_put(np);
#endif /* CONFIG_QUICC_ENGINE */
}
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
static int __init mpc832x_rdb_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "MPC832xRDB");
}
define_machine(mpc832x_rdb) {
.name = "MPC832x RDB",
.probe = mpc832x_rdb_probe,
.setup_arch = mpc832x_rdb_setup_arch,
.init_IRQ = mpc832x_rdb_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
|
