summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/cell/qpace_setup.c
blob: 6e3409d590ac6eb55e19e43b3c0d8719262760cb (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
142
143
144
145
146
147
148
/*
 *  linux/arch/powerpc/platforms/cell/qpace_setup.c
 *
 *  Copyright (C) 1995  Linus Torvalds
 *  Adapted from 'alpha' version by Gary Thomas
 *  Modified by Cort Dougan (cort@cs.nmt.edu)
 *  Modified by PPC64 Team, IBM Corp
 *  Modified by Cell Team, IBM Deutschland Entwicklung GmbH
 *  Modified by Benjamin Krill <ben@codiert.org>, IBM Corp.
 *
 * 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/sched.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/export.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/console.h>
#include <linux/of_platform.h>

#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/kexec.h>
#include <asm/pgtable.h>
#include <asm/prom.h>
#include <asm/rtas.h>
#include <asm/dma.h>
#include <asm/machdep.h>
#include <asm/time.h>
#include <asm/cputable.h>
#include <asm/irq.h>
#include <asm/spu.h>
#include <asm/spu_priv1.h>
#include <asm/udbg.h>
#include <asm/cell-regs.h>

#include "interrupt.h"
#include "pervasive.h"
#include "ras.h"

static void qpace_show_cpuinfo(struct seq_file *m)
{
	struct device_node *root;
	const char *model = "";

	root = of_find_node_by_path("/");
	if (root)
		model = of_get_property(root, "model", NULL);
	seq_printf(m, "machine\t\t: CHRP %s\n", model);
	of_node_put(root);
}

static void qpace_progress(char *s, unsigned short hex)
{
	printk("*** %04x : %s\n", hex, s ? s : "");
}

static const struct of_device_id qpace_bus_ids[] __initconst = {
	{ .type = "soc", },
	{ .compatible = "soc", },
	{ .type = "spider", },
	{ .type = "axon", },
	{ .type = "plb5", },
	{ .type = "plb4", },
	{ .type = "opb", },
	{ .type = "ebc", },
	{},
};

static int __init qpace_publish_devices(void)
{
	int node;

	/* Publish OF platform devices for southbridge IOs */
	of_platform_bus_probe(NULL, qpace_bus_ids, NULL);

	/* There is no device for the MIC memory controller, thus we create
	 * a platform device for it to attach the EDAC driver to.
	 */
	for_each_online_node(node) {
		if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL)
			continue;
		platform_device_register_simple("cbe-mic", node, NULL, 0);
	}

	return 0;
}
machine_subsys_initcall(qpace, qpace_publish_devices);

static void __init qpace_setup_arch(void)
{
#ifdef CONFIG_SPU_BASE
	spu_priv1_ops = &spu_priv1_mmio_ops;
	spu_management_ops = &spu_management_of_ops;
#endif

	cbe_regs_init();

#ifdef CONFIG_CBE_RAS
	cbe_ras_init();
#endif

#ifdef CONFIG_SMP
	smp_init_cell();
#endif

	/* init to some ~sane value until calibrate_delay() runs */
	loops_per_jiffy = 50000000;

	cbe_pervasive_init();
#ifdef CONFIG_DUMMY_CONSOLE
	conswitchp = &dummy_con;
#endif
}

static int __init qpace_probe(void)
{
	unsigned long root = of_get_flat_dt_root();

	if (!of_flat_dt_is_compatible(root, "IBM,QPACE"))
		return 0;

	hpte_init_native();

	return 1;
}

define_machine(qpace) {
	.name			= "QPACE",
	.probe			= qpace_probe,
	.setup_arch		= qpace_setup_arch,
	.show_cpuinfo		= qpace_show_cpuinfo,
	.restart		= rtas_restart,
	.power_off		= rtas_power_off,
	.halt			= rtas_halt,
	.get_boot_time		= rtas_get_boot_time,
	.get_rtc_time		= rtas_get_rtc_time,
	.set_rtc_time		= rtas_set_rtc_time,
	.calibrate_decr		= generic_calibrate_decr,
	.progress		= qpace_progress,
	.init_IRQ		= iic_init_IRQ,
};