Commit | Line | Data |
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f58a9d17 GL |
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> | |
fbdb3e5b | 27 | #include <linux/bootmem.h> |
f58a9d17 GL |
28 | |
29 | #include <asm/machdep.h> | |
30 | #include <asm/firmware.h> | |
31 | #include <asm/time.h> | |
32 | #include <asm/iommu.h> | |
33 | #include <asm/udbg.h> | |
34 | #include <asm/prom.h> | |
35 | #include <asm/lv1call.h> | |
36 | ||
37 | #include "platform.h" | |
38 | ||
39 | #if defined(DEBUG) | |
83bb643d | 40 | #define DBG udbg_printf |
f58a9d17 | 41 | #else |
83bb643d | 42 | #define DBG pr_debug |
f58a9d17 GL |
43 | #endif |
44 | ||
fde5efd0 GL |
45 | #if !defined(CONFIG_SMP) |
46 | static void smp_send_stop(void) {} | |
47 | #endif | |
48 | ||
1322810c MM |
49 | static union ps3_firmware_version ps3_firmware_version; |
50 | ||
51 | void ps3_get_firmware_version(union ps3_firmware_version *v) | |
66b44954 | 52 | { |
1322810c MM |
53 | *v = ps3_firmware_version; |
54 | } | |
55 | EXPORT_SYMBOL_GPL(ps3_get_firmware_version); | |
66b44954 | 56 | |
1322810c MM |
57 | int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev) |
58 | { | |
59 | union ps3_firmware_version x; | |
60 | ||
61 | x.pad = 0; | |
62 | x.major = major; | |
63 | x.minor = minor; | |
64 | x.rev = rev; | |
66b44954 | 65 | |
fc43dca9 MM |
66 | return (ps3_firmware_version.raw > x.raw) - |
67 | (ps3_firmware_version.raw < x.raw); | |
66b44954 | 68 | } |
1322810c | 69 | EXPORT_SYMBOL_GPL(ps3_compare_firmware_version); |
66b44954 | 70 | |
f58a9d17 GL |
71 | static void ps3_power_save(void) |
72 | { | |
73 | /* | |
74 | * lv1_pause() puts the PPE thread into inactive state until an | |
75 | * irq on an unmasked plug exists. MSR[EE] has no effect. | |
76 | * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt. | |
77 | */ | |
78 | ||
79 | lv1_pause(0); | |
80 | } | |
81 | ||
fde5efd0 GL |
82 | static void ps3_restart(char *cmd) |
83 | { | |
84 | DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd); | |
85 | ||
86 | smp_send_stop(); | |
87 | ps3_sys_manager_restart(); /* never returns */ | |
88 | } | |
89 | ||
90 | static void ps3_power_off(void) | |
91 | { | |
92 | DBG("%s:%d\n", __func__, __LINE__); | |
93 | ||
94 | smp_send_stop(); | |
95 | ps3_sys_manager_power_off(); /* never returns */ | |
96 | } | |
97 | ||
f58a9d17 GL |
98 | static void ps3_panic(char *str) |
99 | { | |
100 | DBG("%s:%d %s\n", __func__, __LINE__, str); | |
101 | ||
f58a9d17 | 102 | smp_send_stop(); |
f58a9d17 GL |
103 | printk("\n"); |
104 | printk(" System does not reboot automatically.\n"); | |
105 | printk(" Please press POWER button.\n"); | |
106 | printk("\n"); | |
107 | ||
fde5efd0 | 108 | while(1); |
f58a9d17 GL |
109 | } |
110 | ||
32d73318 GU |
111 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ |
112 | defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) | |
cba684f5 | 113 | static void __init prealloc(struct ps3_prealloc *p) |
fbdb3e5b GU |
114 | { |
115 | if (!p->size) | |
116 | return; | |
117 | ||
118 | p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); | |
119 | if (!p->address) { | |
120 | printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__, | |
121 | p->name); | |
122 | return; | |
123 | } | |
124 | ||
125 | printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, | |
126 | p->address); | |
127 | } | |
32d73318 | 128 | #endif |
fbdb3e5b | 129 | |
32d73318 | 130 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) |
fbdb3e5b | 131 | struct ps3_prealloc ps3fb_videomemory = { |
9e6b99bd GU |
132 | .name = "ps3fb videomemory", |
133 | .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, | |
134 | .align = 1024*1024 /* the GPU requires 1 MiB alignment */ | |
fbdb3e5b | 135 | }; |
9e6b99bd | 136 | EXPORT_SYMBOL_GPL(ps3fb_videomemory); |
fbdb3e5b GU |
137 | #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) |
138 | ||
139 | static int __init early_parse_ps3fb(char *p) | |
140 | { | |
141 | if (!p) | |
142 | return 1; | |
143 | ||
144 | ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p), | |
145 | ps3fb_videomemory.align); | |
146 | return 0; | |
147 | } | |
148 | early_param("ps3fb", early_parse_ps3fb); | |
149 | #else | |
150 | #define prealloc_ps3fb_videomemory() do { } while (0) | |
151 | #endif | |
152 | ||
32d73318 GU |
153 | #if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) |
154 | struct ps3_prealloc ps3flash_bounce_buffer = { | |
155 | .name = "ps3flash bounce buffer", | |
156 | .size = 256*1024, | |
157 | .align = 256*1024 | |
158 | }; | |
159 | EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer); | |
160 | #define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer) | |
161 | ||
162 | static int __init early_parse_ps3flash(char *p) | |
163 | { | |
164 | if (!p) | |
165 | return 1; | |
166 | ||
167 | if (!strcmp(p, "off")) | |
168 | ps3flash_bounce_buffer.size = 0; | |
169 | ||
170 | return 0; | |
171 | } | |
172 | early_param("ps3flash", early_parse_ps3flash); | |
173 | #else | |
174 | #define prealloc_ps3flash_bounce_buffer() do { } while (0) | |
175 | #endif | |
176 | ||
f0a1d024 GL |
177 | static int ps3_set_dabr(u64 dabr) |
178 | { | |
179 | enum {DABR_USER = 1, DABR_KERNEL = 2,}; | |
180 | ||
181 | return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; | |
182 | } | |
fbdb3e5b | 183 | |
f58a9d17 GL |
184 | static void __init ps3_setup_arch(void) |
185 | { | |
66b44954 | 186 | |
f58a9d17 GL |
187 | DBG(" -> %s:%d\n", __func__, __LINE__); |
188 | ||
1322810c MM |
189 | lv1_get_version_info(&ps3_firmware_version.raw); |
190 | printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", | |
191 | ps3_firmware_version.major, ps3_firmware_version.minor, | |
192 | ps3_firmware_version.rev); | |
66b44954 | 193 | |
f58a9d17 GL |
194 | ps3_spu_set_platform(); |
195 | ps3_map_htab(); | |
196 | ||
197 | #ifdef CONFIG_SMP | |
198 | smp_init_ps3(); | |
199 | #endif | |
200 | ||
201 | #ifdef CONFIG_DUMMY_CONSOLE | |
202 | conswitchp = &dummy_con; | |
203 | #endif | |
204 | ||
fbdb3e5b | 205 | prealloc_ps3fb_videomemory(); |
32d73318 GU |
206 | prealloc_ps3flash_bounce_buffer(); |
207 | ||
f58a9d17 GL |
208 | ppc_md.power_save = ps3_power_save; |
209 | ||
210 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
211 | } | |
212 | ||
213 | static void __init ps3_progress(char *s, unsigned short hex) | |
214 | { | |
215 | printk("*** %04x : %s\n", hex, s ? s : ""); | |
216 | } | |
217 | ||
218 | static int __init ps3_probe(void) | |
219 | { | |
220 | unsigned long htab_size; | |
221 | unsigned long dt_root; | |
222 | ||
223 | DBG(" -> %s:%d\n", __func__, __LINE__); | |
224 | ||
225 | dt_root = of_get_flat_dt_root(); | |
9065762e | 226 | if (!of_flat_dt_is_compatible(dt_root, "sony,ps3")) |
f58a9d17 GL |
227 | return 0; |
228 | ||
e22ba7e3 | 229 | powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE; |
f58a9d17 | 230 | |
01263e88 | 231 | ps3_os_area_save_params(); |
f58a9d17 GL |
232 | ps3_mm_init(); |
233 | ps3_mm_vas_create(&htab_size); | |
234 | ps3_hpte_init(htab_size); | |
235 | ||
236 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
237 | return 1; | |
238 | } | |
239 | ||
240 | #if defined(CONFIG_KEXEC) | |
241 | static void ps3_kexec_cpu_down(int crash_shutdown, int secondary) | |
242 | { | |
9263e85a | 243 | int cpu = smp_processor_id(); |
f58a9d17 | 244 | |
9263e85a | 245 | DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); |
f58a9d17 | 246 | |
9263e85a GL |
247 | ps3_smp_cleanup_cpu(cpu); |
248 | ps3_shutdown_IRQ(cpu); | |
f58a9d17 GL |
249 | |
250 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
251 | } | |
252 | #endif | |
253 | ||
254 | define_machine(ps3) { | |
255 | .name = "PS3", | |
256 | .probe = ps3_probe, | |
257 | .setup_arch = ps3_setup_arch, | |
f58a9d17 GL |
258 | .init_IRQ = ps3_init_IRQ, |
259 | .panic = ps3_panic, | |
260 | .get_boot_time = ps3_get_boot_time, | |
261 | .set_rtc_time = ps3_set_rtc_time, | |
262 | .get_rtc_time = ps3_get_rtc_time, | |
f0a1d024 | 263 | .set_dabr = ps3_set_dabr, |
f58a9d17 GL |
264 | .calibrate_decr = ps3_calibrate_decr, |
265 | .progress = ps3_progress, | |
fde5efd0 GL |
266 | .restart = ps3_restart, |
267 | .power_off = ps3_power_off, | |
f58a9d17 GL |
268 | #if defined(CONFIG_KEXEC) |
269 | .kexec_cpu_down = ps3_kexec_cpu_down, | |
9263e85a | 270 | .machine_kexec = default_machine_kexec, |
f58a9d17 GL |
271 | .machine_kexec_prepare = default_machine_kexec_prepare, |
272 | .machine_crash_shutdown = default_machine_crash_shutdown, | |
273 | #endif | |
274 | }; |