summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
blob: ccf520e890bee2f209182cf6df3f0b240d0864f9 (plain)
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
/*
 * 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>
#include "smp.h"

#include "mpc85xx.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;
	unsigned long root = of_get_flat_dt_root();

	if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
		mpic = mpic_alloc(NULL, 0,
			MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
			MPIC_SINGLE_DEST_CPU,
			0, 256, " OpenPIC  ");
	} else {
		mpic = mpic_alloc(NULL, 0,
		  MPIC_WANTS_RESET |
		  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
		  MPIC_SINGLE_DEST_CPU,
		  0, 256, " OpenPIC  ");
	}

	BUG_ON(mpic == NULL);
	mpic_init(mpic);
}

/*
 * Setup the architecture
 */
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

	mpc85xx_smp_init();
	printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
}

machine_device_initcall(p2020_rdb, mpc85xx_common_publish_devices);
machine_device_initcall(p1020_rdb, mpc85xx_common_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,
};
OpenPOWER on IntegriCloud