blob: 51e290126bc13c3b731734664d079638e9b5fd35 [file] [log] [blame]
Benjamin Krilldef434c2008-11-27 16:15:44 +01001/*
2 * linux/arch/powerpc/platforms/cell/qpace_setup.c
3 *
4 * Copyright (C) 1995 Linus Torvalds
5 * Adapted from 'alpha' version by Gary Thomas
6 * Modified by Cort Dougan (cort@cs.nmt.edu)
7 * Modified by PPC64 Team, IBM Corp
8 * Modified by Cell Team, IBM Deutschland Entwicklung GmbH
9 * Modified by Benjamin Krill <ben@codiert.org>, IBM Corp.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version
14 * 2 of the License, or (at your option) any later version.
15 */
16
17#include <linux/sched.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/delay.h>
21#include <linux/irq.h>
22#include <linux/console.h>
23#include <linux/of_platform.h>
24
25#include <asm/mmu.h>
26#include <asm/processor.h>
27#include <asm/io.h>
28#include <asm/kexec.h>
29#include <asm/pgtable.h>
30#include <asm/prom.h>
31#include <asm/rtas.h>
32#include <asm/dma.h>
33#include <asm/machdep.h>
34#include <asm/time.h>
35#include <asm/cputable.h>
36#include <asm/irq.h>
37#include <asm/spu.h>
38#include <asm/spu_priv1.h>
39#include <asm/udbg.h>
40#include <asm/cell-regs.h>
41
42#include "interrupt.h"
43#include "pervasive.h"
44#include "ras.h"
Benjamin Krilldef434c2008-11-27 16:15:44 +010045
46static void qpace_show_cpuinfo(struct seq_file *m)
47{
48 struct device_node *root;
49 const char *model = "";
50
51 root = of_find_node_by_path("/");
52 if (root)
53 model = of_get_property(root, "model", NULL);
54 seq_printf(m, "machine\t\t: CHRP %s\n", model);
55 of_node_put(root);
56}
57
58static void qpace_progress(char *s, unsigned short hex)
59{
60 printk("*** %04x : %s\n", hex, s ? s : "");
61}
62
Jonas Bonnc0dd3942010-07-23 20:19:24 +020063static const struct of_device_id qpace_bus_ids[] __initdata = {
64 { .type = "soc", },
65 { .compatible = "soc", },
66 { .type = "spider", },
67 { .type = "axon", },
68 { .type = "plb5", },
69 { .type = "plb4", },
70 { .type = "opb", },
71 { .type = "ebc", },
72 {},
73};
74
Benjamin Krilldef434c2008-11-27 16:15:44 +010075static int __init qpace_publish_devices(void)
76{
77 int node;
78
79 /* Publish OF platform devices for southbridge IOs */
Jonas Bonnc0dd3942010-07-23 20:19:24 +020080 of_platform_bus_probe(NULL, qpace_bus_ids, NULL);
Benjamin Krilldef434c2008-11-27 16:15:44 +010081
82 /* There is no device for the MIC memory controller, thus we create
83 * a platform device for it to attach the EDAC driver to.
84 */
85 for_each_online_node(node) {
86 if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL)
87 continue;
88 platform_device_register_simple("cbe-mic", node, NULL, 0);
89 }
90
91 return 0;
92}
93machine_subsys_initcall(qpace, qpace_publish_devices);
94
Benjamin Krilldef434c2008-11-27 16:15:44 +010095static void __init qpace_setup_arch(void)
96{
97#ifdef CONFIG_SPU_BASE
98 spu_priv1_ops = &spu_priv1_mmio_ops;
99 spu_management_ops = &spu_management_of_ops;
100#endif
101
102 cbe_regs_init();
103
104#ifdef CONFIG_CBE_RAS
105 cbe_ras_init();
106#endif
107
108#ifdef CONFIG_SMP
109 smp_init_cell();
110#endif
111
112 /* init to some ~sane value until calibrate_delay() runs */
113 loops_per_jiffy = 50000000;
114
115 cbe_pervasive_init();
116#ifdef CONFIG_DUMMY_CONSOLE
117 conswitchp = &dummy_con;
118#endif
Benjamin Krilldef434c2008-11-27 16:15:44 +0100119}
120
121static int __init qpace_probe(void)
122{
123 unsigned long root = of_get_flat_dt_root();
124
125 if (!of_flat_dt_is_compatible(root, "IBM,QPACE"))
126 return 0;
127
128 hpte_init_native();
129
130 return 1;
131}
132
133define_machine(qpace) {
134 .name = "QPACE",
135 .probe = qpace_probe,
136 .setup_arch = qpace_setup_arch,
137 .show_cpuinfo = qpace_show_cpuinfo,
138 .restart = rtas_restart,
139 .power_off = rtas_power_off,
140 .halt = rtas_halt,
141 .get_boot_time = rtas_get_boot_time,
Benjamin Krill41fd81c2009-02-20 03:09:39 +0000142 .get_rtc_time = rtas_get_rtc_time,
143 .set_rtc_time = rtas_set_rtc_time,
Benjamin Krilldef434c2008-11-27 16:15:44 +0100144 .calibrate_decr = generic_calibrate_decr,
145 .progress = qpace_progress,
146 .init_IRQ = iic_init_IRQ,
Benjamin Krilldef434c2008-11-27 16:15:44 +0100147};