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> | |
fbdb3e5b | 26 | #include <linux/bootmem.h> |
f58a9d17 GL |
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) | |
83bb643d | 39 | #define DBG udbg_printf |
f58a9d17 | 40 | #else |
83bb643d | 41 | #define DBG pr_debug |
f58a9d17 GL |
42 | #endif |
43 | ||
9b82f3e6 GU |
44 | /* mutex synchronizing GPU accesses and video mode changes */ |
45 | DEFINE_MUTEX(ps3_gpu_mutex); | |
46 | EXPORT_SYMBOL_GPL(ps3_gpu_mutex); | |
47 | ||
1322810c MM |
48 | static union ps3_firmware_version ps3_firmware_version; |
49 | ||
50 | void ps3_get_firmware_version(union ps3_firmware_version *v) | |
66b44954 | 51 | { |
1322810c MM |
52 | *v = ps3_firmware_version; |
53 | } | |
54 | EXPORT_SYMBOL_GPL(ps3_get_firmware_version); | |
66b44954 | 55 | |
1322810c MM |
56 | int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev) |
57 | { | |
58 | union ps3_firmware_version x; | |
59 | ||
60 | x.pad = 0; | |
61 | x.major = major; | |
62 | x.minor = minor; | |
63 | x.rev = rev; | |
66b44954 | 64 | |
fc43dca9 MM |
65 | return (ps3_firmware_version.raw > x.raw) - |
66 | (ps3_firmware_version.raw < x.raw); | |
66b44954 | 67 | } |
1322810c | 68 | EXPORT_SYMBOL_GPL(ps3_compare_firmware_version); |
66b44954 | 69 | |
f58a9d17 GL |
70 | static void ps3_power_save(void) |
71 | { | |
72 | /* | |
73 | * lv1_pause() puts the PPE thread into inactive state until an | |
74 | * irq on an unmasked plug exists. MSR[EE] has no effect. | |
75 | * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt. | |
76 | */ | |
77 | ||
78 | lv1_pause(0); | |
79 | } | |
80 | ||
fde5efd0 GL |
81 | static void ps3_restart(char *cmd) |
82 | { | |
83 | DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd); | |
84 | ||
85 | smp_send_stop(); | |
86 | ps3_sys_manager_restart(); /* never returns */ | |
87 | } | |
88 | ||
89 | static void ps3_power_off(void) | |
90 | { | |
91 | DBG("%s:%d\n", __func__, __LINE__); | |
92 | ||
93 | smp_send_stop(); | |
94 | ps3_sys_manager_power_off(); /* never returns */ | |
95 | } | |
96 | ||
ca052f79 GU |
97 | static void ps3_halt(void) |
98 | { | |
99 | DBG("%s:%d\n", __func__, __LINE__); | |
100 | ||
101 | smp_send_stop(); | |
102 | ps3_sys_manager_halt(); /* never returns */ | |
103 | } | |
104 | ||
f58a9d17 GL |
105 | static void ps3_panic(char *str) |
106 | { | |
107 | DBG("%s:%d %s\n", __func__, __LINE__, str); | |
108 | ||
f58a9d17 | 109 | smp_send_stop(); |
f58a9d17 GL |
110 | printk("\n"); |
111 | printk(" System does not reboot automatically.\n"); | |
112 | printk(" Please press POWER button.\n"); | |
113 | printk("\n"); | |
114 | ||
ca052f79 GU |
115 | while(1) |
116 | lv1_pause(1); | |
f58a9d17 GL |
117 | } |
118 | ||
32d73318 GU |
119 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ |
120 | defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) | |
cba684f5 | 121 | static void __init prealloc(struct ps3_prealloc *p) |
fbdb3e5b GU |
122 | { |
123 | if (!p->size) | |
124 | return; | |
125 | ||
126 | p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); | |
127 | if (!p->address) { | |
e48b1b45 | 128 | printk(KERN_ERR "%s: Cannot allocate %s\n", __func__, |
fbdb3e5b GU |
129 | p->name); |
130 | return; | |
131 | } | |
132 | ||
133 | printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, | |
134 | p->address); | |
135 | } | |
32d73318 | 136 | #endif |
fbdb3e5b | 137 | |
32d73318 | 138 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) |
fbdb3e5b | 139 | struct ps3_prealloc ps3fb_videomemory = { |
9e6b99bd GU |
140 | .name = "ps3fb videomemory", |
141 | .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, | |
142 | .align = 1024*1024 /* the GPU requires 1 MiB alignment */ | |
fbdb3e5b | 143 | }; |
9e6b99bd | 144 | EXPORT_SYMBOL_GPL(ps3fb_videomemory); |
fbdb3e5b GU |
145 | #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) |
146 | ||
147 | static int __init early_parse_ps3fb(char *p) | |
148 | { | |
149 | if (!p) | |
150 | return 1; | |
151 | ||
152 | ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p), | |
153 | ps3fb_videomemory.align); | |
154 | return 0; | |
155 | } | |
156 | early_param("ps3fb", early_parse_ps3fb); | |
157 | #else | |
158 | #define prealloc_ps3fb_videomemory() do { } while (0) | |
159 | #endif | |
160 | ||
32d73318 GU |
161 | #if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) |
162 | struct ps3_prealloc ps3flash_bounce_buffer = { | |
163 | .name = "ps3flash bounce buffer", | |
164 | .size = 256*1024, | |
165 | .align = 256*1024 | |
166 | }; | |
167 | EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer); | |
168 | #define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer) | |
169 | ||
170 | static int __init early_parse_ps3flash(char *p) | |
171 | { | |
172 | if (!p) | |
173 | return 1; | |
174 | ||
175 | if (!strcmp(p, "off")) | |
176 | ps3flash_bounce_buffer.size = 0; | |
177 | ||
178 | return 0; | |
179 | } | |
180 | early_param("ps3flash", early_parse_ps3flash); | |
181 | #else | |
182 | #define prealloc_ps3flash_bounce_buffer() do { } while (0) | |
183 | #endif | |
184 | ||
c52fe6b6 | 185 | static int ps3_set_dabr(unsigned long dabr) |
f0a1d024 GL |
186 | { |
187 | enum {DABR_USER = 1, DABR_KERNEL = 2,}; | |
188 | ||
189 | return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; | |
190 | } | |
fbdb3e5b | 191 | |
f58a9d17 GL |
192 | static void __init ps3_setup_arch(void) |
193 | { | |
66b44954 | 194 | |
f58a9d17 GL |
195 | DBG(" -> %s:%d\n", __func__, __LINE__); |
196 | ||
1322810c MM |
197 | lv1_get_version_info(&ps3_firmware_version.raw); |
198 | printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", | |
199 | ps3_firmware_version.major, ps3_firmware_version.minor, | |
200 | ps3_firmware_version.rev); | |
66b44954 | 201 | |
f58a9d17 | 202 | ps3_spu_set_platform(); |
f58a9d17 GL |
203 | |
204 | #ifdef CONFIG_SMP | |
205 | smp_init_ps3(); | |
206 | #endif | |
207 | ||
208 | #ifdef CONFIG_DUMMY_CONSOLE | |
209 | conswitchp = &dummy_con; | |
210 | #endif | |
211 | ||
fbdb3e5b | 212 | prealloc_ps3fb_videomemory(); |
32d73318 GU |
213 | prealloc_ps3flash_bounce_buffer(); |
214 | ||
f58a9d17 | 215 | ppc_md.power_save = ps3_power_save; |
7db19421 | 216 | ps3_os_area_init(); |
f58a9d17 GL |
217 | |
218 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
219 | } | |
220 | ||
221 | static void __init ps3_progress(char *s, unsigned short hex) | |
222 | { | |
223 | printk("*** %04x : %s\n", hex, s ? s : ""); | |
224 | } | |
225 | ||
226 | static int __init ps3_probe(void) | |
227 | { | |
228 | unsigned long htab_size; | |
229 | unsigned long dt_root; | |
230 | ||
231 | DBG(" -> %s:%d\n", __func__, __LINE__); | |
232 | ||
233 | dt_root = of_get_flat_dt_root(); | |
9065762e | 234 | if (!of_flat_dt_is_compatible(dt_root, "sony,ps3")) |
f58a9d17 GL |
235 | return 0; |
236 | ||
e22ba7e3 | 237 | powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE; |
f58a9d17 | 238 | |
01263e88 | 239 | ps3_os_area_save_params(); |
f58a9d17 GL |
240 | ps3_mm_init(); |
241 | ps3_mm_vas_create(&htab_size); | |
242 | ps3_hpte_init(htab_size); | |
243 | ||
244 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
245 | return 1; | |
246 | } | |
247 | ||
248 | #if defined(CONFIG_KEXEC) | |
249 | static void ps3_kexec_cpu_down(int crash_shutdown, int secondary) | |
250 | { | |
9263e85a | 251 | int cpu = smp_processor_id(); |
f58a9d17 | 252 | |
9263e85a | 253 | DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); |
f58a9d17 | 254 | |
9263e85a GL |
255 | ps3_smp_cleanup_cpu(cpu); |
256 | ps3_shutdown_IRQ(cpu); | |
f58a9d17 GL |
257 | |
258 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
259 | } | |
260 | #endif | |
261 | ||
262 | define_machine(ps3) { | |
263 | .name = "PS3", | |
264 | .probe = ps3_probe, | |
265 | .setup_arch = ps3_setup_arch, | |
f58a9d17 GL |
266 | .init_IRQ = ps3_init_IRQ, |
267 | .panic = ps3_panic, | |
268 | .get_boot_time = ps3_get_boot_time, | |
f0a1d024 | 269 | .set_dabr = ps3_set_dabr, |
f58a9d17 GL |
270 | .calibrate_decr = ps3_calibrate_decr, |
271 | .progress = ps3_progress, | |
fde5efd0 GL |
272 | .restart = ps3_restart, |
273 | .power_off = ps3_power_off, | |
ca052f79 | 274 | .halt = ps3_halt, |
f58a9d17 GL |
275 | #if defined(CONFIG_KEXEC) |
276 | .kexec_cpu_down = ps3_kexec_cpu_down, | |
f58a9d17 GL |
277 | #endif |
278 | }; |