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-rw-r--r--arch/powerpc/platforms/ps3/setup.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
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index 000000000000..d8b5cadbe80e
--- /dev/null
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -0,0 +1,173 @@
1/*
2 * PS3 platform setup routines.
3 *
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/kernel.h>
22#include <linux/delay.h>
23#include <linux/fs.h>
24#include <linux/root_dev.h>
25#include <linux/console.h>
26#include <linux/kexec.h>
27
28#include <asm/machdep.h>
29#include <asm/firmware.h>
30#include <asm/time.h>
31#include <asm/iommu.h>
32#include <asm/udbg.h>
33#include <asm/prom.h>
34#include <asm/lv1call.h>
35
36#include "platform.h"
37
38#if defined(DEBUG)
39#define DBG(fmt...) udbg_printf(fmt)
40#else
41#define DBG(fmt...) do{if(0)printk(fmt);}while(0)
42#endif
43
44static void ps3_show_cpuinfo(struct seq_file *m)
45{
46 seq_printf(m, "machine\t\t: %s\n", ppc_md.name);
47}
48
49static void ps3_power_save(void)
50{
51 /*
52 * lv1_pause() puts the PPE thread into inactive state until an
53 * irq on an unmasked plug exists. MSR[EE] has no effect.
54 * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt.
55 */
56
57 lv1_pause(0);
58}
59
60static void ps3_panic(char *str)
61{
62 DBG("%s:%d %s\n", __func__, __LINE__, str);
63
64#ifdef CONFIG_SMP
65 smp_send_stop();
66#endif
67 printk("\n");
68 printk(" System does not reboot automatically.\n");
69 printk(" Please press POWER button.\n");
70 printk("\n");
71
72 for (;;) ;
73}
74
75static void __init ps3_setup_arch(void)
76{
77 DBG(" -> %s:%d\n", __func__, __LINE__);
78
79 ps3_spu_set_platform();
80 ps3_map_htab();
81
82#ifdef CONFIG_SMP
83 smp_init_ps3();
84#endif
85
86#ifdef CONFIG_DUMMY_CONSOLE
87 conswitchp = &dummy_con;
88#endif
89
90 ppc_md.power_save = ps3_power_save;
91
92 DBG(" <- %s:%d\n", __func__, __LINE__);
93}
94
95static void __init ps3_progress(char *s, unsigned short hex)
96{
97 printk("*** %04x : %s\n", hex, s ? s : "");
98}
99
100static int __init ps3_probe(void)
101{
102 unsigned long htab_size;
103 unsigned long dt_root;
104
105 DBG(" -> %s:%d\n", __func__, __LINE__);
106
107 dt_root = of_get_flat_dt_root();
108 if (!of_flat_dt_is_compatible(dt_root, "PS3"))
109 return 0;
110
111 powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
112
113 ps3_os_area_init();
114 ps3_mm_init();
115 ps3_mm_vas_create(&htab_size);
116 ps3_hpte_init(htab_size);
117
118 DBG(" <- %s:%d\n", __func__, __LINE__);
119 return 1;
120}
121
122#if defined(CONFIG_KEXEC)
123static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
124{
125 DBG(" -> %s:%d\n", __func__, __LINE__);
126
127 if (secondary) {
128 int cpu;
129 for_each_online_cpu(cpu)
130 if (cpu)
131 ps3_smp_cleanup_cpu(cpu);
132 } else
133 ps3_smp_cleanup_cpu(0);
134
135 DBG(" <- %s:%d\n", __func__, __LINE__);
136}
137
138static void ps3_machine_kexec(struct kimage *image)
139{
140 unsigned long ppe_id;
141
142 DBG(" -> %s:%d\n", __func__, __LINE__);
143
144 lv1_get_logical_ppe_id(&ppe_id);
145 lv1_configure_irq_state_bitmap(ppe_id, 0, 0);
146 ps3_mm_shutdown();
147 ps3_mm_vas_destroy();
148
149 default_machine_kexec(image);
150
151 DBG(" <- %s:%d\n", __func__, __LINE__);
152}
153#endif
154
155define_machine(ps3) {
156 .name = "PS3",
157 .probe = ps3_probe,
158 .setup_arch = ps3_setup_arch,
159 .show_cpuinfo = ps3_show_cpuinfo,
160 .init_IRQ = ps3_init_IRQ,
161 .panic = ps3_panic,
162 .get_boot_time = ps3_get_boot_time,
163 .set_rtc_time = ps3_set_rtc_time,
164 .get_rtc_time = ps3_get_rtc_time,
165 .calibrate_decr = ps3_calibrate_decr,
166 .progress = ps3_progress,
167#if defined(CONFIG_KEXEC)
168 .kexec_cpu_down = ps3_kexec_cpu_down,
169 .machine_kexec = ps3_machine_kexec,
170 .machine_kexec_prepare = default_machine_kexec_prepare,
171 .machine_crash_shutdown = default_machine_crash_shutdown,
172#endif
173};