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> | |
66b15db6 | 26 | #include <linux/export.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> | |
d3352c9f | 36 | #include <asm/ps3gpu.h> |
f58a9d17 GL |
37 | |
38 | #include "platform.h" | |
39 | ||
40 | #if defined(DEBUG) | |
83bb643d | 41 | #define DBG udbg_printf |
f58a9d17 | 42 | #else |
83bb643d | 43 | #define DBG pr_debug |
f58a9d17 GL |
44 | #endif |
45 | ||
9b82f3e6 GU |
46 | /* mutex synchronizing GPU accesses and video mode changes */ |
47 | DEFINE_MUTEX(ps3_gpu_mutex); | |
48 | EXPORT_SYMBOL_GPL(ps3_gpu_mutex); | |
49 | ||
1322810c MM |
50 | static union ps3_firmware_version ps3_firmware_version; |
51 | ||
52 | void ps3_get_firmware_version(union ps3_firmware_version *v) | |
66b44954 | 53 | { |
1322810c MM |
54 | *v = ps3_firmware_version; |
55 | } | |
56 | EXPORT_SYMBOL_GPL(ps3_get_firmware_version); | |
66b44954 | 57 | |
1322810c MM |
58 | int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev) |
59 | { | |
60 | union ps3_firmware_version x; | |
61 | ||
62 | x.pad = 0; | |
63 | x.major = major; | |
64 | x.minor = minor; | |
65 | x.rev = rev; | |
66b44954 | 66 | |
fc43dca9 MM |
67 | return (ps3_firmware_version.raw > x.raw) - |
68 | (ps3_firmware_version.raw < x.raw); | |
66b44954 | 69 | } |
1322810c | 70 | EXPORT_SYMBOL_GPL(ps3_compare_firmware_version); |
66b44954 | 71 | |
f58a9d17 GL |
72 | static void ps3_power_save(void) |
73 | { | |
74 | /* | |
75 | * lv1_pause() puts the PPE thread into inactive state until an | |
76 | * irq on an unmasked plug exists. MSR[EE] has no effect. | |
77 | * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt. | |
78 | */ | |
79 | ||
80 | lv1_pause(0); | |
81 | } | |
82 | ||
95ec77c0 | 83 | static void __noreturn ps3_restart(char *cmd) |
fde5efd0 GL |
84 | { |
85 | DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd); | |
86 | ||
87 | smp_send_stop(); | |
88 | ps3_sys_manager_restart(); /* never returns */ | |
89 | } | |
90 | ||
91 | static void ps3_power_off(void) | |
92 | { | |
93 | DBG("%s:%d\n", __func__, __LINE__); | |
94 | ||
95 | smp_send_stop(); | |
96 | ps3_sys_manager_power_off(); /* never returns */ | |
97 | } | |
98 | ||
95ec77c0 | 99 | static void __noreturn ps3_halt(void) |
ca052f79 GU |
100 | { |
101 | DBG("%s:%d\n", __func__, __LINE__); | |
102 | ||
103 | smp_send_stop(); | |
104 | ps3_sys_manager_halt(); /* never returns */ | |
105 | } | |
106 | ||
f58a9d17 GL |
107 | static void ps3_panic(char *str) |
108 | { | |
109 | DBG("%s:%d %s\n", __func__, __LINE__, str); | |
110 | ||
f58a9d17 | 111 | smp_send_stop(); |
f58a9d17 GL |
112 | printk("\n"); |
113 | printk(" System does not reboot automatically.\n"); | |
114 | printk(" Please press POWER button.\n"); | |
115 | printk("\n"); | |
116 | ||
ca052f79 GU |
117 | while(1) |
118 | lv1_pause(1); | |
f58a9d17 GL |
119 | } |
120 | ||
32d73318 GU |
121 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ |
122 | defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) | |
cba684f5 | 123 | static void __init prealloc(struct ps3_prealloc *p) |
fbdb3e5b GU |
124 | { |
125 | if (!p->size) | |
126 | return; | |
127 | ||
e39f223f | 128 | p->address = memblock_virt_alloc(p->size, p->align); |
fbdb3e5b GU |
129 | |
130 | printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, | |
131 | p->address); | |
132 | } | |
32d73318 | 133 | #endif |
fbdb3e5b | 134 | |
32d73318 | 135 | #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) |
fbdb3e5b | 136 | struct ps3_prealloc ps3fb_videomemory = { |
9e6b99bd GU |
137 | .name = "ps3fb videomemory", |
138 | .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, | |
139 | .align = 1024*1024 /* the GPU requires 1 MiB alignment */ | |
fbdb3e5b | 140 | }; |
9e6b99bd | 141 | EXPORT_SYMBOL_GPL(ps3fb_videomemory); |
fbdb3e5b GU |
142 | #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) |
143 | ||
144 | static int __init early_parse_ps3fb(char *p) | |
145 | { | |
146 | if (!p) | |
147 | return 1; | |
148 | ||
149 | ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p), | |
150 | ps3fb_videomemory.align); | |
151 | return 0; | |
152 | } | |
153 | early_param("ps3fb", early_parse_ps3fb); | |
154 | #else | |
155 | #define prealloc_ps3fb_videomemory() do { } while (0) | |
156 | #endif | |
157 | ||
32d73318 GU |
158 | #if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) |
159 | struct ps3_prealloc ps3flash_bounce_buffer = { | |
160 | .name = "ps3flash bounce buffer", | |
161 | .size = 256*1024, | |
162 | .align = 256*1024 | |
163 | }; | |
164 | EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer); | |
165 | #define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer) | |
166 | ||
167 | static int __init early_parse_ps3flash(char *p) | |
168 | { | |
169 | if (!p) | |
170 | return 1; | |
171 | ||
172 | if (!strcmp(p, "off")) | |
173 | ps3flash_bounce_buffer.size = 0; | |
174 | ||
175 | return 0; | |
176 | } | |
177 | early_param("ps3flash", early_parse_ps3flash); | |
178 | #else | |
179 | #define prealloc_ps3flash_bounce_buffer() do { } while (0) | |
180 | #endif | |
181 | ||
4474ef05 | 182 | static int ps3_set_dabr(unsigned long dabr, unsigned long dabrx) |
f0a1d024 | 183 | { |
4474ef05 MN |
184 | /* Have to set at least one bit in the DABRX */ |
185 | if (dabrx == 0 && dabr == 0) | |
186 | dabrx = DABRX_USER; | |
187 | /* hypervisor only allows us to set BTI, Kernel and user */ | |
188 | dabrx &= DABRX_BTI | DABRX_KERNEL | DABRX_USER; | |
f0a1d024 | 189 | |
4474ef05 | 190 | return lv1_set_dabr(dabr, dabrx) ? -1 : 0; |
f0a1d024 | 191 | } |
fbdb3e5b | 192 | |
f58a9d17 GL |
193 | static void __init ps3_setup_arch(void) |
194 | { | |
816cb49a | 195 | u64 tmp; |
66b44954 | 196 | |
f58a9d17 GL |
197 | DBG(" -> %s:%d\n", __func__, __LINE__); |
198 | ||
816cb49a GL |
199 | lv1_get_version_info(&ps3_firmware_version.raw, &tmp); |
200 | ||
1322810c MM |
201 | printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", |
202 | ps3_firmware_version.major, ps3_firmware_version.minor, | |
203 | ps3_firmware_version.rev); | |
66b44954 | 204 | |
f58a9d17 | 205 | ps3_spu_set_platform(); |
f58a9d17 GL |
206 | |
207 | #ifdef CONFIG_SMP | |
208 | smp_init_ps3(); | |
209 | #endif | |
210 | ||
211 | #ifdef CONFIG_DUMMY_CONSOLE | |
212 | conswitchp = &dummy_con; | |
213 | #endif | |
214 | ||
fbdb3e5b | 215 | prealloc_ps3fb_videomemory(); |
32d73318 GU |
216 | prealloc_ps3flash_bounce_buffer(); |
217 | ||
f58a9d17 | 218 | ppc_md.power_save = ps3_power_save; |
7db19421 | 219 | ps3_os_area_init(); |
f58a9d17 GL |
220 | |
221 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
222 | } | |
223 | ||
224 | static void __init ps3_progress(char *s, unsigned short hex) | |
225 | { | |
226 | printk("*** %04x : %s\n", hex, s ? s : ""); | |
227 | } | |
228 | ||
166dd7d3 | 229 | void __init ps3_early_mm_init(void) |
f58a9d17 GL |
230 | { |
231 | unsigned long htab_size; | |
166dd7d3 BH |
232 | |
233 | ps3_mm_init(); | |
234 | ps3_mm_vas_create(&htab_size); | |
235 | ps3_hpte_init(htab_size); | |
236 | } | |
237 | ||
238 | static int __init ps3_probe(void) | |
239 | { | |
f58a9d17 GL |
240 | DBG(" -> %s:%d\n", __func__, __LINE__); |
241 | ||
406b0b6a | 242 | if (!of_machine_is_compatible("sony,ps3")) |
f58a9d17 GL |
243 | return 0; |
244 | ||
01263e88 | 245 | ps3_os_area_save_params(); |
406b0b6a | 246 | |
9178ba29 | 247 | pm_power_off = ps3_power_off; |
f58a9d17 GL |
248 | |
249 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
250 | return 1; | |
251 | } | |
252 | ||
253 | #if defined(CONFIG_KEXEC) | |
254 | static void ps3_kexec_cpu_down(int crash_shutdown, int secondary) | |
255 | { | |
9263e85a | 256 | int cpu = smp_processor_id(); |
f58a9d17 | 257 | |
9263e85a | 258 | DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); |
f58a9d17 | 259 | |
9263e85a GL |
260 | ps3_smp_cleanup_cpu(cpu); |
261 | ps3_shutdown_IRQ(cpu); | |
f58a9d17 GL |
262 | |
263 | DBG(" <- %s:%d\n", __func__, __LINE__); | |
264 | } | |
265 | #endif | |
266 | ||
267 | define_machine(ps3) { | |
268 | .name = "PS3", | |
269 | .probe = ps3_probe, | |
270 | .setup_arch = ps3_setup_arch, | |
f58a9d17 GL |
271 | .init_IRQ = ps3_init_IRQ, |
272 | .panic = ps3_panic, | |
273 | .get_boot_time = ps3_get_boot_time, | |
f0a1d024 | 274 | .set_dabr = ps3_set_dabr, |
f58a9d17 GL |
275 | .calibrate_decr = ps3_calibrate_decr, |
276 | .progress = ps3_progress, | |
fde5efd0 | 277 | .restart = ps3_restart, |
ca052f79 | 278 | .halt = ps3_halt, |
f58a9d17 GL |
279 | #if defined(CONFIG_KEXEC) |
280 | .kexec_cpu_down = ps3_kexec_cpu_down, | |
f58a9d17 GL |
281 | #endif |
282 | }; |