Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * arch/parisc/kernel/firmware.c - safe PDC access routines | |
3 | * | |
4 | * PDC == Processor Dependent Code | |
5 | * | |
6 | * See http://www.parisc-linux.org/documentation/index.html | |
7 | * for documentation describing the entry points and calling | |
8 | * conventions defined below. | |
9 | * | |
10 | * Copyright 1999 SuSE GmbH Nuernberg (Philipp Rumpf, prumpf@tux.org) | |
11 | * Copyright 1999 The Puffin Group, (Alex deVries, David Kennedy) | |
12 | * Copyright 2003 Grant Grundler <grundler parisc-linux org> | |
13 | * Copyright 2003,2004 Ryan Bradetich <rbrad@parisc-linux.org> | |
8ffaeaf4 | 14 | * Copyright 2004,2006 Thibaut VARENE <varenet@parisc-linux.org> |
1da177e4 LT |
15 | * |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
20 | * | |
21 | */ | |
22 | ||
23 | /* I think it would be in everyone's best interest to follow this | |
24 | * guidelines when writing PDC wrappers: | |
25 | * | |
26 | * - the name of the pdc wrapper should match one of the macros | |
27 | * used for the first two arguments | |
28 | * - don't use caps for random parts of the name | |
29 | * - use the static PDC result buffers and "copyout" to structs | |
30 | * supplied by the caller to encapsulate alignment restrictions | |
31 | * - hold pdc_lock while in PDC or using static result buffers | |
32 | * - use __pa() to convert virtual (kernel) pointers to physical | |
33 | * ones. | |
34 | * - the name of the struct used for pdc return values should equal | |
35 | * one of the macros used for the first two arguments to the | |
36 | * corresponding PDC call | |
37 | * - keep the order of arguments | |
38 | * - don't be smart (setting trailing NUL bytes for strings, return | |
39 | * something useful even if the call failed) unless you are sure | |
40 | * it's not going to affect functionality or performance | |
41 | * | |
42 | * Example: | |
43 | * int pdc_cache_info(struct pdc_cache_info *cache_info ) | |
44 | * { | |
45 | * int retval; | |
46 | * | |
47 | * spin_lock_irq(&pdc_lock); | |
48 | * retval = mem_pdc_call(PDC_CACHE,PDC_CACHE_INFO,__pa(cache_info),0); | |
49 | * convert_to_wide(pdc_result); | |
50 | * memcpy(cache_info, pdc_result, sizeof(*cache_info)); | |
51 | * spin_unlock_irq(&pdc_lock); | |
52 | * | |
53 | * return retval; | |
54 | * } | |
55 | * prumpf 991016 | |
56 | */ | |
57 | ||
58 | #include <stdarg.h> | |
59 | ||
60 | #include <linux/delay.h> | |
61 | #include <linux/init.h> | |
62 | #include <linux/kernel.h> | |
63 | #include <linux/module.h> | |
64 | #include <linux/string.h> | |
65 | #include <linux/spinlock.h> | |
66 | ||
67 | #include <asm/page.h> | |
68 | #include <asm/pdc.h> | |
69 | #include <asm/pdcpat.h> | |
1da177e4 LT |
70 | #include <asm/processor.h> /* for boot_cpu_data */ |
71 | ||
72 | static DEFINE_SPINLOCK(pdc_lock); | |
6c86cb82 KM |
73 | extern unsigned long pdc_result[NUM_PDC_RESULT]; |
74 | extern unsigned long pdc_result2[NUM_PDC_RESULT]; | |
1da177e4 | 75 | |
a8f44e38 | 76 | #ifdef CONFIG_64BIT |
1da177e4 LT |
77 | #define WIDE_FIRMWARE 0x1 |
78 | #define NARROW_FIRMWARE 0x2 | |
79 | ||
80 | /* Firmware needs to be initially set to narrow to determine the | |
81 | * actual firmware width. */ | |
8039de10 | 82 | int parisc_narrow_firmware __read_mostly = 1; |
1da177e4 LT |
83 | #endif |
84 | ||
675ec7a5 GG |
85 | /* On most currently-supported platforms, IODC I/O calls are 32-bit calls |
86 | * and MEM_PDC calls are always the same width as the OS. | |
87 | * Some PAT boxes may have 64-bit IODC I/O. | |
1da177e4 | 88 | * |
675ec7a5 GG |
89 | * Ryan Bradetich added the now obsolete CONFIG_PDC_NARROW to allow |
90 | * 64-bit kernels to run on systems with 32-bit MEM_PDC calls. | |
91 | * This allowed wide kernels to run on Cxxx boxes. | |
92 | * We now detect 32-bit-only PDC and dynamically switch to 32-bit mode | |
93 | * when running a 64-bit kernel on such boxes (e.g. C200 or C360). | |
1da177e4 LT |
94 | */ |
95 | ||
a8f44e38 | 96 | #ifdef CONFIG_64BIT |
1da177e4 LT |
97 | long real64_call(unsigned long function, ...); |
98 | #endif | |
99 | long real32_call(unsigned long function, ...); | |
100 | ||
a8f44e38 | 101 | #ifdef CONFIG_64BIT |
1da177e4 LT |
102 | # define MEM_PDC (unsigned long)(PAGE0->mem_pdc_hi) << 32 | PAGE0->mem_pdc |
103 | # define mem_pdc_call(args...) unlikely(parisc_narrow_firmware) ? real32_call(MEM_PDC, args) : real64_call(MEM_PDC, args) | |
104 | #else | |
105 | # define MEM_PDC (unsigned long)PAGE0->mem_pdc | |
106 | # define mem_pdc_call(args...) real32_call(MEM_PDC, args) | |
107 | #endif | |
108 | ||
109 | ||
110 | /** | |
111 | * f_extend - Convert PDC addresses to kernel addresses. | |
112 | * @address: Address returned from PDC. | |
113 | * | |
114 | * This function is used to convert PDC addresses into kernel addresses | |
115 | * when the PDC address size and kernel address size are different. | |
116 | */ | |
117 | static unsigned long f_extend(unsigned long address) | |
118 | { | |
a8f44e38 | 119 | #ifdef CONFIG_64BIT |
1da177e4 LT |
120 | if(unlikely(parisc_narrow_firmware)) { |
121 | if((address & 0xff000000) == 0xf0000000) | |
122 | return 0xf0f0f0f000000000UL | (u32)address; | |
123 | ||
124 | if((address & 0xf0000000) == 0xf0000000) | |
125 | return 0xffffffff00000000UL | (u32)address; | |
126 | } | |
127 | #endif | |
128 | return address; | |
129 | } | |
130 | ||
131 | /** | |
132 | * convert_to_wide - Convert the return buffer addresses into kernel addresses. | |
133 | * @address: The return buffer from PDC. | |
134 | * | |
135 | * This function is used to convert the return buffer addresses retrieved from PDC | |
136 | * into kernel addresses when the PDC address size and kernel address size are | |
137 | * different. | |
138 | */ | |
139 | static void convert_to_wide(unsigned long *addr) | |
140 | { | |
a8f44e38 | 141 | #ifdef CONFIG_64BIT |
1da177e4 LT |
142 | int i; |
143 | unsigned int *p = (unsigned int *)addr; | |
144 | ||
145 | if(unlikely(parisc_narrow_firmware)) { | |
146 | for(i = 31; i >= 0; --i) | |
147 | addr[i] = p[i]; | |
148 | } | |
149 | #endif | |
150 | } | |
151 | ||
24b574d0 | 152 | #ifdef CONFIG_64BIT |
60ffef06 | 153 | void set_firmware_width_unlocked(void) |
24b574d0 KM |
154 | { |
155 | int ret; | |
156 | ||
157 | ret = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, | |
158 | __pa(pdc_result), 0); | |
159 | convert_to_wide(pdc_result); | |
160 | if (pdc_result[0] != NARROW_FIRMWARE) | |
161 | parisc_narrow_firmware = 0; | |
162 | } | |
163 | ||
1da177e4 LT |
164 | /** |
165 | * set_firmware_width - Determine if the firmware is wide or narrow. | |
166 | * | |
24b574d0 KM |
167 | * This function must be called before any pdc_* function that uses the |
168 | * convert_to_wide function. | |
1da177e4 | 169 | */ |
60ffef06 | 170 | void set_firmware_width(void) |
1da177e4 | 171 | { |
09690b18 | 172 | unsigned long flags; |
24b574d0 KM |
173 | spin_lock_irqsave(&pdc_lock, flags); |
174 | set_firmware_width_unlocked(); | |
175 | spin_unlock_irqrestore(&pdc_lock, flags); | |
176 | } | |
177 | #else | |
60ffef06 PG |
178 | void set_firmware_width_unlocked(void) |
179 | { | |
24b574d0 KM |
180 | return; |
181 | } | |
1da177e4 | 182 | |
60ffef06 PG |
183 | void set_firmware_width(void) |
184 | { | |
24b574d0 | 185 | return; |
1da177e4 | 186 | } |
24b574d0 | 187 | #endif /*CONFIG_64BIT*/ |
1da177e4 LT |
188 | |
189 | /** | |
190 | * pdc_emergency_unlock - Unlock the linux pdc lock | |
191 | * | |
192 | * This call unlocks the linux pdc lock in case we need some PDC functions | |
193 | * (like pdc_add_valid) during kernel stack dump. | |
194 | */ | |
195 | void pdc_emergency_unlock(void) | |
196 | { | |
197 | /* Spinlock DEBUG code freaks out if we unconditionally unlock */ | |
198 | if (spin_is_locked(&pdc_lock)) | |
199 | spin_unlock(&pdc_lock); | |
200 | } | |
201 | ||
202 | ||
203 | /** | |
204 | * pdc_add_valid - Verify address can be accessed without causing a HPMC. | |
205 | * @address: Address to be verified. | |
206 | * | |
207 | * This PDC call attempts to read from the specified address and verifies | |
208 | * if the address is valid. | |
209 | * | |
210 | * The return value is PDC_OK (0) in case accessing this address is valid. | |
211 | */ | |
212 | int pdc_add_valid(unsigned long address) | |
213 | { | |
214 | int retval; | |
09690b18 | 215 | unsigned long flags; |
1da177e4 | 216 | |
09690b18 | 217 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 218 | retval = mem_pdc_call(PDC_ADD_VALID, PDC_ADD_VALID_VERIFY, address); |
09690b18 | 219 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
220 | |
221 | return retval; | |
222 | } | |
223 | EXPORT_SYMBOL(pdc_add_valid); | |
224 | ||
225 | /** | |
226 | * pdc_chassis_info - Return chassis information. | |
227 | * @result: The return buffer. | |
228 | * @chassis_info: The memory buffer address. | |
229 | * @len: The size of the memory buffer address. | |
230 | * | |
231 | * An HVERSION dependent call for returning the chassis information. | |
232 | */ | |
233 | int __init pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len) | |
234 | { | |
235 | int retval; | |
09690b18 | 236 | unsigned long flags; |
1da177e4 | 237 | |
09690b18 | 238 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
239 | memcpy(&pdc_result, chassis_info, sizeof(*chassis_info)); |
240 | memcpy(&pdc_result2, led_info, len); | |
241 | retval = mem_pdc_call(PDC_CHASSIS, PDC_RETURN_CHASSIS_INFO, | |
242 | __pa(pdc_result), __pa(pdc_result2), len); | |
243 | memcpy(chassis_info, pdc_result, sizeof(*chassis_info)); | |
244 | memcpy(led_info, pdc_result2, len); | |
09690b18 | 245 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
246 | |
247 | return retval; | |
248 | } | |
249 | ||
250 | /** | |
251 | * pdc_pat_chassis_send_log - Sends a PDC PAT CHASSIS log message. | |
252 | * @retval: -1 on error, 0 on success. Other value are PDC errors | |
253 | * | |
254 | * Must be correctly formatted or expect system crash | |
255 | */ | |
a8f44e38 | 256 | #ifdef CONFIG_64BIT |
1da177e4 LT |
257 | int pdc_pat_chassis_send_log(unsigned long state, unsigned long data) |
258 | { | |
259 | int retval = 0; | |
09690b18 | 260 | unsigned long flags; |
1da177e4 LT |
261 | |
262 | if (!is_pdc_pat()) | |
263 | return -1; | |
264 | ||
09690b18 | 265 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 266 | retval = mem_pdc_call(PDC_PAT_CHASSIS_LOG, PDC_PAT_CHASSIS_WRITE_LOG, __pa(&state), __pa(&data)); |
09690b18 | 267 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
268 | |
269 | return retval; | |
270 | } | |
271 | #endif | |
272 | ||
273 | /** | |
8ffaeaf4 | 274 | * pdc_chassis_disp - Updates chassis code |
1da177e4 | 275 | * @retval: -1 on error, 0 on success |
1da177e4 LT |
276 | */ |
277 | int pdc_chassis_disp(unsigned long disp) | |
278 | { | |
279 | int retval = 0; | |
09690b18 | 280 | unsigned long flags; |
1da177e4 | 281 | |
09690b18 | 282 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 283 | retval = mem_pdc_call(PDC_CHASSIS, PDC_CHASSIS_DISP, disp); |
09690b18 | 284 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
285 | |
286 | return retval; | |
287 | } | |
288 | ||
8ffaeaf4 TV |
289 | /** |
290 | * pdc_chassis_warn - Fetches chassis warnings | |
291 | * @retval: -1 on error, 0 on success | |
292 | */ | |
293 | int pdc_chassis_warn(unsigned long *warn) | |
294 | { | |
295 | int retval = 0; | |
09690b18 | 296 | unsigned long flags; |
8ffaeaf4 | 297 | |
09690b18 | 298 | spin_lock_irqsave(&pdc_lock, flags); |
8ffaeaf4 TV |
299 | retval = mem_pdc_call(PDC_CHASSIS, PDC_CHASSIS_WARN, __pa(pdc_result)); |
300 | *warn = pdc_result[0]; | |
09690b18 | 301 | spin_unlock_irqrestore(&pdc_lock, flags); |
8ffaeaf4 TV |
302 | |
303 | return retval; | |
304 | } | |
305 | ||
60ffef06 | 306 | int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) |
24b574d0 KM |
307 | { |
308 | int ret; | |
309 | ||
310 | ret = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result)); | |
311 | convert_to_wide(pdc_result); | |
312 | pdc_coproc_info->ccr_functional = pdc_result[0]; | |
313 | pdc_coproc_info->ccr_present = pdc_result[1]; | |
314 | pdc_coproc_info->revision = pdc_result[17]; | |
315 | pdc_coproc_info->model = pdc_result[18]; | |
316 | ||
317 | return ret; | |
318 | } | |
319 | ||
1da177e4 LT |
320 | /** |
321 | * pdc_coproc_cfg - To identify coprocessors attached to the processor. | |
322 | * @pdc_coproc_info: Return buffer address. | |
323 | * | |
324 | * This PDC call returns the presence and status of all the coprocessors | |
325 | * attached to the processor. | |
326 | */ | |
60ffef06 | 327 | int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info) |
1da177e4 | 328 | { |
24b574d0 | 329 | int ret; |
09690b18 | 330 | unsigned long flags; |
1da177e4 | 331 | |
24b574d0 KM |
332 | spin_lock_irqsave(&pdc_lock, flags); |
333 | ret = pdc_coproc_cfg_unlocked(pdc_coproc_info); | |
334 | spin_unlock_irqrestore(&pdc_lock, flags); | |
1da177e4 | 335 | |
24b574d0 | 336 | return ret; |
1da177e4 LT |
337 | } |
338 | ||
339 | /** | |
340 | * pdc_iodc_read - Read data from the modules IODC. | |
341 | * @actcnt: The actual number of bytes. | |
342 | * @hpa: The HPA of the module for the iodc read. | |
343 | * @index: The iodc entry point. | |
344 | * @iodc_data: A buffer memory for the iodc options. | |
345 | * @iodc_data_size: Size of the memory buffer. | |
346 | * | |
347 | * This PDC call reads from the IODC of the module specified by the hpa | |
348 | * argument. | |
349 | */ | |
350 | int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index, | |
351 | void *iodc_data, unsigned int iodc_data_size) | |
352 | { | |
353 | int retval; | |
09690b18 | 354 | unsigned long flags; |
1da177e4 | 355 | |
09690b18 | 356 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
357 | retval = mem_pdc_call(PDC_IODC, PDC_IODC_READ, __pa(pdc_result), hpa, |
358 | index, __pa(pdc_result2), iodc_data_size); | |
359 | convert_to_wide(pdc_result); | |
360 | *actcnt = pdc_result[0]; | |
361 | memcpy(iodc_data, pdc_result2, iodc_data_size); | |
09690b18 | 362 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
363 | |
364 | return retval; | |
365 | } | |
366 | EXPORT_SYMBOL(pdc_iodc_read); | |
367 | ||
368 | /** | |
369 | * pdc_system_map_find_mods - Locate unarchitected modules. | |
370 | * @pdc_mod_info: Return buffer address. | |
371 | * @mod_path: pointer to dev path structure. | |
372 | * @mod_index: fixed address module index. | |
373 | * | |
374 | * To locate and identify modules which reside at fixed I/O addresses, which | |
375 | * do not self-identify via architected bus walks. | |
376 | */ | |
377 | int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info, | |
378 | struct pdc_module_path *mod_path, long mod_index) | |
379 | { | |
380 | int retval; | |
09690b18 | 381 | unsigned long flags; |
1da177e4 | 382 | |
09690b18 | 383 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
384 | retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_MODULE, __pa(pdc_result), |
385 | __pa(pdc_result2), mod_index); | |
386 | convert_to_wide(pdc_result); | |
387 | memcpy(pdc_mod_info, pdc_result, sizeof(*pdc_mod_info)); | |
388 | memcpy(mod_path, pdc_result2, sizeof(*mod_path)); | |
09690b18 | 389 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
390 | |
391 | pdc_mod_info->mod_addr = f_extend(pdc_mod_info->mod_addr); | |
392 | return retval; | |
393 | } | |
394 | ||
395 | /** | |
396 | * pdc_system_map_find_addrs - Retrieve additional address ranges. | |
397 | * @pdc_addr_info: Return buffer address. | |
398 | * @mod_index: Fixed address module index. | |
399 | * @addr_index: Address range index. | |
400 | * | |
401 | * Retrieve additional information about subsequent address ranges for modules | |
402 | * with multiple address ranges. | |
403 | */ | |
404 | int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info, | |
405 | long mod_index, long addr_index) | |
406 | { | |
407 | int retval; | |
09690b18 | 408 | unsigned long flags; |
1da177e4 | 409 | |
09690b18 | 410 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
411 | retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_ADDRESS, __pa(pdc_result), |
412 | mod_index, addr_index); | |
413 | convert_to_wide(pdc_result); | |
414 | memcpy(pdc_addr_info, pdc_result, sizeof(*pdc_addr_info)); | |
09690b18 | 415 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
416 | |
417 | pdc_addr_info->mod_addr = f_extend(pdc_addr_info->mod_addr); | |
418 | return retval; | |
419 | } | |
420 | ||
421 | /** | |
422 | * pdc_model_info - Return model information about the processor. | |
423 | * @model: The return buffer. | |
424 | * | |
425 | * Returns the version numbers, identifiers, and capabilities from the processor module. | |
426 | */ | |
427 | int pdc_model_info(struct pdc_model *model) | |
428 | { | |
429 | int retval; | |
09690b18 | 430 | unsigned long flags; |
1da177e4 | 431 | |
09690b18 | 432 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
433 | retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_INFO, __pa(pdc_result), 0); |
434 | convert_to_wide(pdc_result); | |
435 | memcpy(model, pdc_result, sizeof(*model)); | |
09690b18 | 436 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
437 | |
438 | return retval; | |
439 | } | |
440 | ||
441 | /** | |
442 | * pdc_model_sysmodel - Get the system model name. | |
443 | * @name: A char array of at least 81 characters. | |
444 | * | |
ec1fdc24 KM |
445 | * Get system model name from PDC ROM (e.g. 9000/715 or 9000/778/B160L). |
446 | * Using OS_ID_HPUX will return the equivalent of the 'modelname' command | |
447 | * on HP/UX. | |
1da177e4 LT |
448 | */ |
449 | int pdc_model_sysmodel(char *name) | |
450 | { | |
451 | int retval; | |
09690b18 | 452 | unsigned long flags; |
1da177e4 | 453 | |
09690b18 | 454 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
455 | retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_SYSMODEL, __pa(pdc_result), |
456 | OS_ID_HPUX, __pa(name)); | |
457 | convert_to_wide(pdc_result); | |
458 | ||
459 | if (retval == PDC_OK) { | |
460 | name[pdc_result[0]] = '\0'; /* add trailing '\0' */ | |
461 | } else { | |
462 | name[0] = 0; | |
463 | } | |
09690b18 | 464 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
465 | |
466 | return retval; | |
467 | } | |
468 | ||
469 | /** | |
470 | * pdc_model_versions - Identify the version number of each processor. | |
471 | * @cpu_id: The return buffer. | |
472 | * @id: The id of the processor to check. | |
473 | * | |
474 | * Returns the version number for each processor component. | |
475 | * | |
476 | * This comment was here before, but I do not know what it means :( -RB | |
477 | * id: 0 = cpu revision, 1 = boot-rom-version | |
478 | */ | |
479 | int pdc_model_versions(unsigned long *versions, int id) | |
480 | { | |
481 | int retval; | |
09690b18 | 482 | unsigned long flags; |
1da177e4 | 483 | |
09690b18 | 484 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
485 | retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_VERSIONS, __pa(pdc_result), id); |
486 | convert_to_wide(pdc_result); | |
487 | *versions = pdc_result[0]; | |
09690b18 | 488 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
489 | |
490 | return retval; | |
491 | } | |
492 | ||
493 | /** | |
494 | * pdc_model_cpuid - Returns the CPU_ID. | |
495 | * @cpu_id: The return buffer. | |
496 | * | |
497 | * Returns the CPU_ID value which uniquely identifies the cpu portion of | |
498 | * the processor module. | |
499 | */ | |
500 | int pdc_model_cpuid(unsigned long *cpu_id) | |
501 | { | |
502 | int retval; | |
09690b18 | 503 | unsigned long flags; |
1da177e4 | 504 | |
09690b18 | 505 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
506 | pdc_result[0] = 0; /* preset zero (call may not be implemented!) */ |
507 | retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CPU_ID, __pa(pdc_result), 0); | |
508 | convert_to_wide(pdc_result); | |
509 | *cpu_id = pdc_result[0]; | |
09690b18 | 510 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
511 | |
512 | return retval; | |
513 | } | |
514 | ||
515 | /** | |
516 | * pdc_model_capabilities - Returns the platform capabilities. | |
517 | * @capabilities: The return buffer. | |
518 | * | |
519 | * Returns information about platform support for 32- and/or 64-bit | |
520 | * OSes, IO-PDIR coherency, and virtual aliasing. | |
521 | */ | |
522 | int pdc_model_capabilities(unsigned long *capabilities) | |
523 | { | |
524 | int retval; | |
09690b18 | 525 | unsigned long flags; |
1da177e4 | 526 | |
09690b18 | 527 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
528 | pdc_result[0] = 0; /* preset zero (call may not be implemented!) */ |
529 | retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); | |
530 | convert_to_wide(pdc_result); | |
445c088f CW |
531 | if (retval == PDC_OK) { |
532 | *capabilities = pdc_result[0]; | |
533 | } else { | |
534 | *capabilities = PDC_MODEL_OS32; | |
535 | } | |
09690b18 | 536 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
537 | |
538 | return retval; | |
539 | } | |
540 | ||
541 | /** | |
542 | * pdc_cache_info - Return cache and TLB information. | |
543 | * @cache_info: The return buffer. | |
544 | * | |
545 | * Returns information about the processor's cache and TLB. | |
546 | */ | |
547 | int pdc_cache_info(struct pdc_cache_info *cache_info) | |
548 | { | |
549 | int retval; | |
09690b18 | 550 | unsigned long flags; |
1da177e4 | 551 | |
09690b18 | 552 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
553 | retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_INFO, __pa(pdc_result), 0); |
554 | convert_to_wide(pdc_result); | |
555 | memcpy(cache_info, pdc_result, sizeof(*cache_info)); | |
09690b18 | 556 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
557 | |
558 | return retval; | |
559 | } | |
560 | ||
a9d2d386 KM |
561 | /** |
562 | * pdc_spaceid_bits - Return whether Space ID hashing is turned on. | |
563 | * @space_bits: Should be 0, if not, bad mojo! | |
564 | * | |
565 | * Returns information about Space ID hashing. | |
566 | */ | |
567 | int pdc_spaceid_bits(unsigned long *space_bits) | |
568 | { | |
569 | int retval; | |
09690b18 | 570 | unsigned long flags; |
a9d2d386 | 571 | |
09690b18 | 572 | spin_lock_irqsave(&pdc_lock, flags); |
a9d2d386 KM |
573 | pdc_result[0] = 0; |
574 | retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_RET_SPID, __pa(pdc_result), 0); | |
575 | convert_to_wide(pdc_result); | |
576 | *space_bits = pdc_result[0]; | |
09690b18 | 577 | spin_unlock_irqrestore(&pdc_lock, flags); |
a9d2d386 KM |
578 | |
579 | return retval; | |
580 | } | |
581 | ||
1da177e4 LT |
582 | #ifndef CONFIG_PA20 |
583 | /** | |
584 | * pdc_btlb_info - Return block TLB information. | |
585 | * @btlb: The return buffer. | |
586 | * | |
587 | * Returns information about the hardware Block TLB. | |
588 | */ | |
589 | int pdc_btlb_info(struct pdc_btlb_info *btlb) | |
590 | { | |
591 | int retval; | |
09690b18 | 592 | unsigned long flags; |
1da177e4 | 593 | |
09690b18 | 594 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
595 | retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_INFO, __pa(pdc_result), 0); |
596 | memcpy(btlb, pdc_result, sizeof(*btlb)); | |
09690b18 | 597 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
598 | |
599 | if(retval < 0) { | |
600 | btlb->max_size = 0; | |
601 | } | |
602 | return retval; | |
603 | } | |
604 | ||
605 | /** | |
606 | * pdc_mem_map_hpa - Find fixed module information. | |
607 | * @address: The return buffer | |
608 | * @mod_path: pointer to dev path structure. | |
609 | * | |
610 | * This call was developed for S700 workstations to allow the kernel to find | |
611 | * the I/O devices (Core I/O). In the future (Kittyhawk and beyond) this | |
612 | * call will be replaced (on workstations) by the architected PDC_SYSTEM_MAP | |
613 | * call. | |
614 | * | |
615 | * This call is supported by all existing S700 workstations (up to Gecko). | |
616 | */ | |
617 | int pdc_mem_map_hpa(struct pdc_memory_map *address, | |
618 | struct pdc_module_path *mod_path) | |
619 | { | |
620 | int retval; | |
09690b18 | 621 | unsigned long flags; |
1da177e4 | 622 | |
09690b18 | 623 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
624 | memcpy(pdc_result2, mod_path, sizeof(*mod_path)); |
625 | retval = mem_pdc_call(PDC_MEM_MAP, PDC_MEM_MAP_HPA, __pa(pdc_result), | |
626 | __pa(pdc_result2)); | |
627 | memcpy(address, pdc_result, sizeof(*address)); | |
09690b18 | 628 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
629 | |
630 | return retval; | |
631 | } | |
632 | #endif /* !CONFIG_PA20 */ | |
633 | ||
634 | /** | |
635 | * pdc_lan_station_id - Get the LAN address. | |
636 | * @lan_addr: The return buffer. | |
637 | * @hpa: The network device HPA. | |
638 | * | |
639 | * Get the LAN station address when it is not directly available from the LAN hardware. | |
640 | */ | |
641 | int pdc_lan_station_id(char *lan_addr, unsigned long hpa) | |
642 | { | |
643 | int retval; | |
09690b18 | 644 | unsigned long flags; |
1da177e4 | 645 | |
09690b18 | 646 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
647 | retval = mem_pdc_call(PDC_LAN_STATION_ID, PDC_LAN_STATION_ID_READ, |
648 | __pa(pdc_result), hpa); | |
649 | if (retval < 0) { | |
650 | /* FIXME: else read MAC from NVRAM */ | |
651 | memset(lan_addr, 0, PDC_LAN_STATION_ID_SIZE); | |
652 | } else { | |
653 | memcpy(lan_addr, pdc_result, PDC_LAN_STATION_ID_SIZE); | |
654 | } | |
09690b18 | 655 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
656 | |
657 | return retval; | |
658 | } | |
659 | EXPORT_SYMBOL(pdc_lan_station_id); | |
660 | ||
661 | /** | |
662 | * pdc_stable_read - Read data from Stable Storage. | |
663 | * @staddr: Stable Storage address to access. | |
664 | * @memaddr: The memory address where Stable Storage data shall be copied. | |
7022672e | 665 | * @count: number of bytes to transfer. count is multiple of 4. |
1da177e4 LT |
666 | * |
667 | * This PDC call reads from the Stable Storage address supplied in staddr | |
668 | * and copies count bytes to the memory address memaddr. | |
669 | * The call will fail if staddr+count > PDC_STABLE size. | |
670 | */ | |
671 | int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count) | |
672 | { | |
673 | int retval; | |
09690b18 | 674 | unsigned long flags; |
1da177e4 | 675 | |
09690b18 | 676 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
677 | retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_READ, staddr, |
678 | __pa(pdc_result), count); | |
679 | convert_to_wide(pdc_result); | |
680 | memcpy(memaddr, pdc_result, count); | |
09690b18 | 681 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
682 | |
683 | return retval; | |
684 | } | |
685 | EXPORT_SYMBOL(pdc_stable_read); | |
686 | ||
687 | /** | |
688 | * pdc_stable_write - Write data to Stable Storage. | |
689 | * @staddr: Stable Storage address to access. | |
690 | * @memaddr: The memory address where Stable Storage data shall be read from. | |
7022672e | 691 | * @count: number of bytes to transfer. count is multiple of 4. |
1da177e4 LT |
692 | * |
693 | * This PDC call reads count bytes from the supplied memaddr address, | |
694 | * and copies count bytes to the Stable Storage address staddr. | |
695 | * The call will fail if staddr+count > PDC_STABLE size. | |
696 | */ | |
697 | int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count) | |
698 | { | |
699 | int retval; | |
09690b18 | 700 | unsigned long flags; |
1da177e4 | 701 | |
09690b18 | 702 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
703 | memcpy(pdc_result, memaddr, count); |
704 | convert_to_wide(pdc_result); | |
705 | retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_WRITE, staddr, | |
706 | __pa(pdc_result), count); | |
09690b18 | 707 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
708 | |
709 | return retval; | |
710 | } | |
711 | EXPORT_SYMBOL(pdc_stable_write); | |
712 | ||
713 | /** | |
714 | * pdc_stable_get_size - Get Stable Storage size in bytes. | |
715 | * @size: pointer where the size will be stored. | |
716 | * | |
717 | * This PDC call returns the number of bytes in the processor's Stable | |
718 | * Storage, which is the number of contiguous bytes implemented in Stable | |
719 | * Storage starting from staddr=0. size in an unsigned 64-bit integer | |
720 | * which is a multiple of four. | |
721 | */ | |
722 | int pdc_stable_get_size(unsigned long *size) | |
723 | { | |
724 | int retval; | |
09690b18 | 725 | unsigned long flags; |
1da177e4 | 726 | |
09690b18 | 727 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
728 | retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_RETURN_SIZE, __pa(pdc_result)); |
729 | *size = pdc_result[0]; | |
09690b18 | 730 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
731 | |
732 | return retval; | |
733 | } | |
734 | EXPORT_SYMBOL(pdc_stable_get_size); | |
735 | ||
736 | /** | |
737 | * pdc_stable_verify_contents - Checks that Stable Storage contents are valid. | |
738 | * | |
739 | * This PDC call is meant to be used to check the integrity of the current | |
740 | * contents of Stable Storage. | |
741 | */ | |
742 | int pdc_stable_verify_contents(void) | |
743 | { | |
744 | int retval; | |
09690b18 | 745 | unsigned long flags; |
1da177e4 | 746 | |
09690b18 | 747 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 748 | retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_VERIFY_CONTENTS); |
09690b18 | 749 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
750 | |
751 | return retval; | |
752 | } | |
753 | EXPORT_SYMBOL(pdc_stable_verify_contents); | |
754 | ||
755 | /** | |
756 | * pdc_stable_initialize - Sets Stable Storage contents to zero and initialize | |
757 | * the validity indicator. | |
758 | * | |
759 | * This PDC call will erase all contents of Stable Storage. Use with care! | |
760 | */ | |
761 | int pdc_stable_initialize(void) | |
762 | { | |
763 | int retval; | |
09690b18 | 764 | unsigned long flags; |
1da177e4 | 765 | |
09690b18 | 766 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 767 | retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_INITIALIZE); |
09690b18 | 768 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
769 | |
770 | return retval; | |
771 | } | |
772 | EXPORT_SYMBOL(pdc_stable_initialize); | |
773 | ||
774 | /** | |
775 | * pdc_get_initiator - Get the SCSI Interface Card params (SCSI ID, SDTR, SE or LVD) | |
776 | * @hwpath: fully bc.mod style path to the device. | |
777 | * @initiator: the array to return the result into | |
778 | * | |
779 | * Get the SCSI operational parameters from PDC. | |
780 | * Needed since HPUX never used BIOS or symbios card NVRAM. | |
781 | * Most ncr/sym cards won't have an entry and just use whatever | |
782 | * capabilities of the card are (eg Ultra, LVD). But there are | |
783 | * several cases where it's useful: | |
784 | * o set SCSI id for Multi-initiator clusters, | |
785 | * o cable too long (ie SE scsi 10Mhz won't support 6m length), | |
786 | * o bus width exported is less than what the interface chip supports. | |
787 | */ | |
788 | int pdc_get_initiator(struct hardware_path *hwpath, struct pdc_initiator *initiator) | |
789 | { | |
790 | int retval; | |
09690b18 | 791 | unsigned long flags; |
1da177e4 | 792 | |
09690b18 | 793 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
794 | |
795 | /* BCJ-XXXX series boxes. E.G. "9000/785/C3000" */ | |
796 | #define IS_SPROCKETS() (strlen(boot_cpu_data.pdc.sys_model_name) == 14 && \ | |
797 | strncmp(boot_cpu_data.pdc.sys_model_name, "9000/785", 8) == 0) | |
798 | ||
799 | retval = mem_pdc_call(PDC_INITIATOR, PDC_GET_INITIATOR, | |
800 | __pa(pdc_result), __pa(hwpath)); | |
801 | if (retval < PDC_OK) | |
802 | goto out; | |
803 | ||
804 | if (pdc_result[0] < 16) { | |
805 | initiator->host_id = pdc_result[0]; | |
806 | } else { | |
807 | initiator->host_id = -1; | |
808 | } | |
809 | ||
810 | /* | |
811 | * Sprockets and Piranha return 20 or 40 (MT/s). Prelude returns | |
812 | * 1, 2, 5 or 10 for 5, 10, 20 or 40 MT/s, respectively | |
813 | */ | |
814 | switch (pdc_result[1]) { | |
815 | case 1: initiator->factor = 50; break; | |
816 | case 2: initiator->factor = 25; break; | |
817 | case 5: initiator->factor = 12; break; | |
818 | case 25: initiator->factor = 10; break; | |
819 | case 20: initiator->factor = 12; break; | |
820 | case 40: initiator->factor = 10; break; | |
821 | default: initiator->factor = -1; break; | |
822 | } | |
823 | ||
824 | if (IS_SPROCKETS()) { | |
825 | initiator->width = pdc_result[4]; | |
826 | initiator->mode = pdc_result[5]; | |
827 | } else { | |
828 | initiator->width = -1; | |
829 | initiator->mode = -1; | |
830 | } | |
831 | ||
832 | out: | |
09690b18 KM |
833 | spin_unlock_irqrestore(&pdc_lock, flags); |
834 | ||
1da177e4 LT |
835 | return (retval >= PDC_OK); |
836 | } | |
837 | EXPORT_SYMBOL(pdc_get_initiator); | |
838 | ||
839 | ||
840 | /** | |
841 | * pdc_pci_irt_size - Get the number of entries in the interrupt routing table. | |
842 | * @num_entries: The return value. | |
843 | * @hpa: The HPA for the device. | |
844 | * | |
845 | * This PDC function returns the number of entries in the specified cell's | |
846 | * interrupt table. | |
847 | * Similar to PDC_PAT stuff - but added for Forte/Allegro boxes | |
848 | */ | |
849 | int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa) | |
850 | { | |
851 | int retval; | |
09690b18 | 852 | unsigned long flags; |
1da177e4 | 853 | |
09690b18 | 854 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
855 | retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL_SIZE, |
856 | __pa(pdc_result), hpa); | |
857 | convert_to_wide(pdc_result); | |
858 | *num_entries = pdc_result[0]; | |
09690b18 | 859 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
860 | |
861 | return retval; | |
862 | } | |
863 | ||
864 | /** | |
865 | * pdc_pci_irt - Get the PCI interrupt routing table. | |
866 | * @num_entries: The number of entries in the table. | |
867 | * @hpa: The Hard Physical Address of the device. | |
868 | * @tbl: | |
869 | * | |
870 | * Get the PCI interrupt routing table for the device at the given HPA. | |
871 | * Similar to PDC_PAT stuff - but added for Forte/Allegro boxes | |
872 | */ | |
873 | int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl) | |
874 | { | |
875 | int retval; | |
09690b18 | 876 | unsigned long flags; |
1da177e4 LT |
877 | |
878 | BUG_ON((unsigned long)tbl & 0x7); | |
879 | ||
09690b18 | 880 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
881 | pdc_result[0] = num_entries; |
882 | retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL, | |
883 | __pa(pdc_result), hpa, __pa(tbl)); | |
09690b18 | 884 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
885 | |
886 | return retval; | |
887 | } | |
888 | ||
889 | ||
890 | #if 0 /* UNTEST CODE - left here in case someone needs it */ | |
891 | ||
892 | /** | |
893 | * pdc_pci_config_read - read PCI config space. | |
894 | * @hpa token from PDC to indicate which PCI device | |
895 | * @pci_addr configuration space address to read from | |
896 | * | |
897 | * Read PCI Configuration space *before* linux PCI subsystem is running. | |
898 | */ | |
899 | unsigned int pdc_pci_config_read(void *hpa, unsigned long cfg_addr) | |
900 | { | |
901 | int retval; | |
09690b18 KM |
902 | unsigned long flags; |
903 | ||
904 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 LT |
905 | pdc_result[0] = 0; |
906 | pdc_result[1] = 0; | |
907 | retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_READ_CONFIG, | |
908 | __pa(pdc_result), hpa, cfg_addr&~3UL, 4UL); | |
09690b18 KM |
909 | spin_unlock_irqrestore(&pdc_lock, flags); |
910 | ||
1da177e4 LT |
911 | return retval ? ~0 : (unsigned int) pdc_result[0]; |
912 | } | |
913 | ||
914 | ||
915 | /** | |
916 | * pdc_pci_config_write - read PCI config space. | |
917 | * @hpa token from PDC to indicate which PCI device | |
918 | * @pci_addr configuration space address to write | |
919 | * @val value we want in the 32-bit register | |
920 | * | |
921 | * Write PCI Configuration space *before* linux PCI subsystem is running. | |
922 | */ | |
923 | void pdc_pci_config_write(void *hpa, unsigned long cfg_addr, unsigned int val) | |
924 | { | |
925 | int retval; | |
09690b18 KM |
926 | unsigned long flags; |
927 | ||
928 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 LT |
929 | pdc_result[0] = 0; |
930 | retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_WRITE_CONFIG, | |
931 | __pa(pdc_result), hpa, | |
932 | cfg_addr&~3UL, 4UL, (unsigned long) val); | |
09690b18 KM |
933 | spin_unlock_irqrestore(&pdc_lock, flags); |
934 | ||
1da177e4 LT |
935 | return retval; |
936 | } | |
937 | #endif /* UNTESTED CODE */ | |
938 | ||
939 | /** | |
940 | * pdc_tod_read - Read the Time-Of-Day clock. | |
941 | * @tod: The return buffer: | |
942 | * | |
943 | * Read the Time-Of-Day clock | |
944 | */ | |
945 | int pdc_tod_read(struct pdc_tod *tod) | |
946 | { | |
947 | int retval; | |
09690b18 | 948 | unsigned long flags; |
1da177e4 | 949 | |
09690b18 | 950 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
951 | retval = mem_pdc_call(PDC_TOD, PDC_TOD_READ, __pa(pdc_result), 0); |
952 | convert_to_wide(pdc_result); | |
953 | memcpy(tod, pdc_result, sizeof(*tod)); | |
09690b18 | 954 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
955 | |
956 | return retval; | |
957 | } | |
958 | EXPORT_SYMBOL(pdc_tod_read); | |
959 | ||
960 | /** | |
961 | * pdc_tod_set - Set the Time-Of-Day clock. | |
962 | * @sec: The number of seconds since epoch. | |
963 | * @usec: The number of micro seconds. | |
964 | * | |
965 | * Set the Time-Of-Day clock. | |
966 | */ | |
967 | int pdc_tod_set(unsigned long sec, unsigned long usec) | |
968 | { | |
969 | int retval; | |
09690b18 | 970 | unsigned long flags; |
1da177e4 | 971 | |
09690b18 | 972 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 973 | retval = mem_pdc_call(PDC_TOD, PDC_TOD_WRITE, sec, usec); |
09690b18 | 974 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
975 | |
976 | return retval; | |
977 | } | |
978 | EXPORT_SYMBOL(pdc_tod_set); | |
979 | ||
a8f44e38 | 980 | #ifdef CONFIG_64BIT |
1da177e4 LT |
981 | int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, |
982 | struct pdc_memory_table *tbl, unsigned long entries) | |
983 | { | |
984 | int retval; | |
09690b18 | 985 | unsigned long flags; |
1da177e4 | 986 | |
09690b18 | 987 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
988 | retval = mem_pdc_call(PDC_MEM, PDC_MEM_TABLE, __pa(pdc_result), __pa(pdc_result2), entries); |
989 | convert_to_wide(pdc_result); | |
990 | memcpy(r_addr, pdc_result, sizeof(*r_addr)); | |
991 | memcpy(tbl, pdc_result2, entries * sizeof(*tbl)); | |
09690b18 | 992 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
993 | |
994 | return retval; | |
995 | } | |
a8f44e38 | 996 | #endif /* CONFIG_64BIT */ |
1da177e4 LT |
997 | |
998 | /* FIXME: Is this pdc used? I could not find type reference to ftc_bitmap | |
999 | * so I guessed at unsigned long. Someone who knows what this does, can fix | |
1000 | * it later. :) | |
1001 | */ | |
1002 | int pdc_do_firm_test_reset(unsigned long ftc_bitmap) | |
1003 | { | |
1004 | int retval; | |
09690b18 | 1005 | unsigned long flags; |
1da177e4 | 1006 | |
09690b18 | 1007 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1008 | retval = mem_pdc_call(PDC_BROADCAST_RESET, PDC_DO_FIRM_TEST_RESET, |
1009 | PDC_FIRM_TEST_MAGIC, ftc_bitmap); | |
09690b18 | 1010 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1011 | |
1012 | return retval; | |
1013 | } | |
1014 | ||
1015 | /* | |
1016 | * pdc_do_reset - Reset the system. | |
1017 | * | |
1018 | * Reset the system. | |
1019 | */ | |
1020 | int pdc_do_reset(void) | |
1021 | { | |
1022 | int retval; | |
09690b18 | 1023 | unsigned long flags; |
1da177e4 | 1024 | |
09690b18 | 1025 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 | 1026 | retval = mem_pdc_call(PDC_BROADCAST_RESET, PDC_DO_RESET); |
09690b18 | 1027 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1028 | |
1029 | return retval; | |
1030 | } | |
1031 | ||
1032 | /* | |
1033 | * pdc_soft_power_info - Enable soft power switch. | |
1034 | * @power_reg: address of soft power register | |
1035 | * | |
1036 | * Return the absolute address of the soft power switch register | |
1037 | */ | |
1038 | int __init pdc_soft_power_info(unsigned long *power_reg) | |
1039 | { | |
1040 | int retval; | |
09690b18 | 1041 | unsigned long flags; |
1da177e4 LT |
1042 | |
1043 | *power_reg = (unsigned long) (-1); | |
1044 | ||
09690b18 | 1045 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1046 | retval = mem_pdc_call(PDC_SOFT_POWER, PDC_SOFT_POWER_INFO, __pa(pdc_result), 0); |
1047 | if (retval == PDC_OK) { | |
1048 | convert_to_wide(pdc_result); | |
1049 | *power_reg = f_extend(pdc_result[0]); | |
1050 | } | |
09690b18 | 1051 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1052 | |
1053 | return retval; | |
1054 | } | |
1055 | ||
1056 | /* | |
1057 | * pdc_soft_power_button - Control the soft power button behaviour | |
1058 | * @sw_control: 0 for hardware control, 1 for software control | |
1059 | * | |
1060 | * | |
1061 | * This PDC function places the soft power button under software or | |
1062 | * hardware control. | |
1063 | * Under software control the OS may control to when to allow to shut | |
1064 | * down the system. Under hardware control pressing the power button | |
1065 | * powers off the system immediately. | |
1066 | */ | |
1067 | int pdc_soft_power_button(int sw_control) | |
1068 | { | |
1069 | int retval; | |
09690b18 KM |
1070 | unsigned long flags; |
1071 | ||
1072 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 | 1073 | retval = mem_pdc_call(PDC_SOFT_POWER, PDC_SOFT_POWER_ENABLE, __pa(pdc_result), sw_control); |
09690b18 KM |
1074 | spin_unlock_irqrestore(&pdc_lock, flags); |
1075 | ||
1da177e4 LT |
1076 | return retval; |
1077 | } | |
1078 | ||
1079 | /* | |
1080 | * pdc_io_reset - Hack to avoid overlapping range registers of Bridges devices. | |
1081 | * Primarily a problem on T600 (which parisc-linux doesn't support) but | |
1082 | * who knows what other platform firmware might do with this OS "hook". | |
1083 | */ | |
1084 | void pdc_io_reset(void) | |
1085 | { | |
09690b18 KM |
1086 | unsigned long flags; |
1087 | ||
1088 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 | 1089 | mem_pdc_call(PDC_IO, PDC_IO_RESET, 0); |
09690b18 | 1090 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1091 | } |
1092 | ||
1093 | /* | |
1094 | * pdc_io_reset_devices - Hack to Stop USB controller | |
1095 | * | |
1096 | * If PDC used the usb controller, the usb controller | |
1097 | * is still running and will crash the machines during iommu | |
1098 | * setup, because of still running DMA. This PDC call | |
1099 | * stops the USB controller. | |
1100 | * Normally called after calling pdc_io_reset(). | |
1101 | */ | |
1102 | void pdc_io_reset_devices(void) | |
1103 | { | |
09690b18 KM |
1104 | unsigned long flags; |
1105 | ||
1106 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 | 1107 | mem_pdc_call(PDC_IO, PDC_IO_RESET_DEVICES, 0); |
09690b18 | 1108 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1109 | } |
1110 | ||
ef1afd4d KM |
1111 | /* locked by pdc_console_lock */ |
1112 | static int __attribute__((aligned(8))) iodc_retbuf[32]; | |
1113 | static char __attribute__((aligned(64))) iodc_dbuf[4096]; | |
1da177e4 LT |
1114 | |
1115 | /** | |
721fdf34 KM |
1116 | * pdc_iodc_print - Console print using IODC. |
1117 | * @str: the string to output. | |
1118 | * @count: length of str | |
1da177e4 LT |
1119 | * |
1120 | * Note that only these special chars are architected for console IODC io: | |
1121 | * BEL, BS, CR, and LF. Others are passed through. | |
1122 | * Since the HP console requires CR+LF to perform a 'newline', we translate | |
1123 | * "\n" to "\r\n". | |
1124 | */ | |
ef1afd4d | 1125 | int pdc_iodc_print(const unsigned char *str, unsigned count) |
1da177e4 | 1126 | { |
721fdf34 | 1127 | unsigned int i; |
c53421b1 | 1128 | unsigned long flags; |
1da177e4 | 1129 | |
fbea6684 | 1130 | for (i = 0; i < count;) { |
721fdf34 KM |
1131 | switch(str[i]) { |
1132 | case '\n': | |
1133 | iodc_dbuf[i+0] = '\r'; | |
1134 | iodc_dbuf[i+1] = '\n'; | |
1135 | i += 2; | |
ef1afd4d | 1136 | goto print; |
721fdf34 KM |
1137 | default: |
1138 | iodc_dbuf[i] = str[i]; | |
d9b68e5e | 1139 | i++; |
721fdf34 KM |
1140 | break; |
1141 | } | |
1142 | } | |
1da177e4 | 1143 | |
ef1afd4d | 1144 | print: |
1da177e4 LT |
1145 | spin_lock_irqsave(&pdc_lock, flags); |
1146 | real32_call(PAGE0->mem_cons.iodc_io, | |
1147 | (unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT, | |
1148 | PAGE0->mem_cons.spa, __pa(PAGE0->mem_cons.dp.layers), | |
721fdf34 | 1149 | __pa(iodc_retbuf), 0, __pa(iodc_dbuf), i, 0); |
1da177e4 | 1150 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 | 1151 | |
721fdf34 | 1152 | return i; |
1da177e4 LT |
1153 | } |
1154 | ||
1155 | /** | |
1156 | * pdc_iodc_getc - Read a character (non-blocking) from the PDC console. | |
1157 | * | |
1158 | * Read a character (non-blocking) from the PDC console, returns -1 if | |
1159 | * key is not present. | |
1160 | */ | |
1161 | int pdc_iodc_getc(void) | |
1162 | { | |
1da177e4 LT |
1163 | int ch; |
1164 | int status; | |
ef1afd4d | 1165 | unsigned long flags; |
1da177e4 LT |
1166 | |
1167 | /* Bail if no console input device. */ | |
1168 | if (!PAGE0->mem_kbd.iodc_io) | |
1169 | return 0; | |
1170 | ||
1171 | /* wait for a keyboard (rs232)-input */ | |
1172 | spin_lock_irqsave(&pdc_lock, flags); | |
1173 | real32_call(PAGE0->mem_kbd.iodc_io, | |
1174 | (unsigned long)PAGE0->mem_kbd.hpa, ENTRY_IO_CIN, | |
1175 | PAGE0->mem_kbd.spa, __pa(PAGE0->mem_kbd.dp.layers), | |
1176 | __pa(iodc_retbuf), 0, __pa(iodc_dbuf), 1, 0); | |
1177 | ||
1178 | ch = *iodc_dbuf; | |
1179 | status = *iodc_retbuf; | |
1180 | spin_unlock_irqrestore(&pdc_lock, flags); | |
1181 | ||
1182 | if (status == 0) | |
1183 | return -1; | |
1184 | ||
1185 | return ch; | |
1186 | } | |
1187 | ||
1188 | int pdc_sti_call(unsigned long func, unsigned long flags, | |
1189 | unsigned long inptr, unsigned long outputr, | |
1190 | unsigned long glob_cfg) | |
1191 | { | |
1192 | int retval; | |
09690b18 | 1193 | unsigned long irqflags; |
1da177e4 | 1194 | |
09690b18 | 1195 | spin_lock_irqsave(&pdc_lock, irqflags); |
1da177e4 | 1196 | retval = real32_call(func, flags, inptr, outputr, glob_cfg); |
09690b18 | 1197 | spin_unlock_irqrestore(&pdc_lock, irqflags); |
1da177e4 LT |
1198 | |
1199 | return retval; | |
1200 | } | |
1201 | EXPORT_SYMBOL(pdc_sti_call); | |
1202 | ||
a8f44e38 | 1203 | #ifdef CONFIG_64BIT |
1da177e4 LT |
1204 | /** |
1205 | * pdc_pat_cell_get_number - Returns the cell number. | |
1206 | * @cell_info: The return buffer. | |
1207 | * | |
1208 | * This PDC call returns the cell number of the cell from which the call | |
1209 | * is made. | |
1210 | */ | |
1211 | int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info) | |
1212 | { | |
1213 | int retval; | |
09690b18 | 1214 | unsigned long flags; |
1da177e4 | 1215 | |
09690b18 | 1216 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1217 | retval = mem_pdc_call(PDC_PAT_CELL, PDC_PAT_CELL_GET_NUMBER, __pa(pdc_result)); |
1218 | memcpy(cell_info, pdc_result, sizeof(*cell_info)); | |
09690b18 | 1219 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1220 | |
1221 | return retval; | |
1222 | } | |
1223 | ||
1224 | /** | |
1225 | * pdc_pat_cell_module - Retrieve the cell's module information. | |
1226 | * @actcnt: The number of bytes written to mem_addr. | |
1227 | * @ploc: The physical location. | |
1228 | * @mod: The module index. | |
1229 | * @view_type: The view of the address type. | |
1230 | * @mem_addr: The return buffer. | |
1231 | * | |
1232 | * This PDC call returns information about each module attached to the cell | |
1233 | * at the specified location. | |
1234 | */ | |
1235 | int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long mod, | |
1236 | unsigned long view_type, void *mem_addr) | |
1237 | { | |
1238 | int retval; | |
09690b18 | 1239 | unsigned long flags; |
1da177e4 LT |
1240 | static struct pdc_pat_cell_mod_maddr_block result __attribute__ ((aligned (8))); |
1241 | ||
09690b18 | 1242 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1243 | retval = mem_pdc_call(PDC_PAT_CELL, PDC_PAT_CELL_MODULE, __pa(pdc_result), |
1244 | ploc, mod, view_type, __pa(&result)); | |
1245 | if(!retval) { | |
1246 | *actcnt = pdc_result[0]; | |
1247 | memcpy(mem_addr, &result, *actcnt); | |
1248 | } | |
09690b18 | 1249 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1250 | |
1251 | return retval; | |
1252 | } | |
1253 | ||
1254 | /** | |
1255 | * pdc_pat_cpu_get_number - Retrieve the cpu number. | |
1256 | * @cpu_info: The return buffer. | |
1257 | * @hpa: The Hard Physical Address of the CPU. | |
1258 | * | |
1259 | * Retrieve the cpu number for the cpu at the specified HPA. | |
1260 | */ | |
1261 | int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, void *hpa) | |
1262 | { | |
1263 | int retval; | |
09690b18 | 1264 | unsigned long flags; |
1da177e4 | 1265 | |
09690b18 | 1266 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1267 | retval = mem_pdc_call(PDC_PAT_CPU, PDC_PAT_CPU_GET_NUMBER, |
1268 | __pa(&pdc_result), hpa); | |
1269 | memcpy(cpu_info, pdc_result, sizeof(*cpu_info)); | |
09690b18 | 1270 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1271 | |
1272 | return retval; | |
1273 | } | |
1274 | ||
1275 | /** | |
1276 | * pdc_pat_get_irt_size - Retrieve the number of entries in the cell's interrupt table. | |
1277 | * @num_entries: The return value. | |
1278 | * @cell_num: The target cell. | |
1279 | * | |
1280 | * This PDC function returns the number of entries in the specified cell's | |
1281 | * interrupt table. | |
1282 | */ | |
1283 | int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num) | |
1284 | { | |
1285 | int retval; | |
09690b18 | 1286 | unsigned long flags; |
1da177e4 | 1287 | |
09690b18 | 1288 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1289 | retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_GET_PCI_ROUTING_TABLE_SIZE, |
1290 | __pa(pdc_result), cell_num); | |
1291 | *num_entries = pdc_result[0]; | |
09690b18 | 1292 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1293 | |
1294 | return retval; | |
1295 | } | |
1296 | ||
1297 | /** | |
1298 | * pdc_pat_get_irt - Retrieve the cell's interrupt table. | |
1299 | * @r_addr: The return buffer. | |
1300 | * @cell_num: The target cell. | |
1301 | * | |
1302 | * This PDC function returns the actual interrupt table for the specified cell. | |
1303 | */ | |
1304 | int pdc_pat_get_irt(void *r_addr, unsigned long cell_num) | |
1305 | { | |
1306 | int retval; | |
09690b18 | 1307 | unsigned long flags; |
1da177e4 | 1308 | |
09690b18 | 1309 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1310 | retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_GET_PCI_ROUTING_TABLE, |
1311 | __pa(r_addr), cell_num); | |
09690b18 | 1312 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1313 | |
1314 | return retval; | |
1315 | } | |
1316 | ||
1317 | /** | |
1318 | * pdc_pat_pd_get_addr_map - Retrieve information about memory address ranges. | |
1319 | * @actlen: The return buffer. | |
1320 | * @mem_addr: Pointer to the memory buffer. | |
1321 | * @count: The number of bytes to read from the buffer. | |
1322 | * @offset: The offset with respect to the beginning of the buffer. | |
1323 | * | |
1324 | */ | |
1325 | int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr, | |
1326 | unsigned long count, unsigned long offset) | |
1327 | { | |
1328 | int retval; | |
09690b18 | 1329 | unsigned long flags; |
1da177e4 | 1330 | |
09690b18 | 1331 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1332 | retval = mem_pdc_call(PDC_PAT_PD, PDC_PAT_PD_GET_ADDR_MAP, __pa(pdc_result), |
1333 | __pa(pdc_result2), count, offset); | |
1334 | *actual_len = pdc_result[0]; | |
1335 | memcpy(mem_addr, pdc_result2, *actual_len); | |
09690b18 | 1336 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1337 | |
1338 | return retval; | |
1339 | } | |
1340 | ||
1341 | /** | |
1342 | * pdc_pat_io_pci_cfg_read - Read PCI configuration space. | |
1343 | * @pci_addr: PCI configuration space address for which the read request is being made. | |
1344 | * @pci_size: Size of read in bytes. Valid values are 1, 2, and 4. | |
1345 | * @mem_addr: Pointer to return memory buffer. | |
1346 | * | |
1347 | */ | |
1348 | int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *mem_addr) | |
1349 | { | |
1350 | int retval; | |
09690b18 KM |
1351 | unsigned long flags; |
1352 | ||
1353 | spin_lock_irqsave(&pdc_lock, flags); | |
1da177e4 LT |
1354 | retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_PCI_CONFIG_READ, |
1355 | __pa(pdc_result), pci_addr, pci_size); | |
1356 | switch(pci_size) { | |
1357 | case 1: *(u8 *) mem_addr = (u8) pdc_result[0]; | |
1358 | case 2: *(u16 *)mem_addr = (u16) pdc_result[0]; | |
1359 | case 4: *(u32 *)mem_addr = (u32) pdc_result[0]; | |
1360 | } | |
09690b18 | 1361 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1362 | |
1363 | return retval; | |
1364 | } | |
1365 | ||
1366 | /** | |
1367 | * pdc_pat_io_pci_cfg_write - Retrieve information about memory address ranges. | |
1368 | * @pci_addr: PCI configuration space address for which the write request is being made. | |
1369 | * @pci_size: Size of write in bytes. Valid values are 1, 2, and 4. | |
1370 | * @value: Pointer to 1, 2, or 4 byte value in low order end of argument to be | |
1371 | * written to PCI Config space. | |
1372 | * | |
1373 | */ | |
1374 | int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val) | |
1375 | { | |
1376 | int retval; | |
09690b18 | 1377 | unsigned long flags; |
1da177e4 | 1378 | |
09690b18 | 1379 | spin_lock_irqsave(&pdc_lock, flags); |
1da177e4 LT |
1380 | retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_PCI_CONFIG_WRITE, |
1381 | pci_addr, pci_size, val); | |
09690b18 | 1382 | spin_unlock_irqrestore(&pdc_lock, flags); |
1da177e4 LT |
1383 | |
1384 | return retval; | |
1385 | } | |
a8f44e38 | 1386 | #endif /* CONFIG_64BIT */ |
1da177e4 LT |
1387 | |
1388 | ||
1389 | /***************** 32-bit real-mode calls ***********/ | |
1390 | /* The struct below is used | |
1391 | * to overlay real_stack (real2.S), preparing a 32-bit call frame. | |
1392 | * real32_call_asm() then uses this stack in narrow real mode | |
1393 | */ | |
1394 | ||
1395 | struct narrow_stack { | |
1396 | /* use int, not long which is 64 bits */ | |
1397 | unsigned int arg13; | |
1398 | unsigned int arg12; | |
1399 | unsigned int arg11; | |
1400 | unsigned int arg10; | |
1401 | unsigned int arg9; | |
1402 | unsigned int arg8; | |
1403 | unsigned int arg7; | |
1404 | unsigned int arg6; | |
1405 | unsigned int arg5; | |
1406 | unsigned int arg4; | |
1407 | unsigned int arg3; | |
1408 | unsigned int arg2; | |
1409 | unsigned int arg1; | |
1410 | unsigned int arg0; | |
1411 | unsigned int frame_marker[8]; | |
1412 | unsigned int sp; | |
1413 | /* in reality, there's nearly 8k of stack after this */ | |
1414 | }; | |
1415 | ||
1416 | long real32_call(unsigned long fn, ...) | |
1417 | { | |
1418 | va_list args; | |
1419 | extern struct narrow_stack real_stack; | |
1420 | extern unsigned long real32_call_asm(unsigned int *, | |
1421 | unsigned int *, | |
1422 | unsigned int); | |
1423 | ||
1424 | va_start(args, fn); | |
1425 | real_stack.arg0 = va_arg(args, unsigned int); | |
1426 | real_stack.arg1 = va_arg(args, unsigned int); | |
1427 | real_stack.arg2 = va_arg(args, unsigned int); | |
1428 | real_stack.arg3 = va_arg(args, unsigned int); | |
1429 | real_stack.arg4 = va_arg(args, unsigned int); | |
1430 | real_stack.arg5 = va_arg(args, unsigned int); | |
1431 | real_stack.arg6 = va_arg(args, unsigned int); | |
1432 | real_stack.arg7 = va_arg(args, unsigned int); | |
1433 | real_stack.arg8 = va_arg(args, unsigned int); | |
1434 | real_stack.arg9 = va_arg(args, unsigned int); | |
1435 | real_stack.arg10 = va_arg(args, unsigned int); | |
1436 | real_stack.arg11 = va_arg(args, unsigned int); | |
1437 | real_stack.arg12 = va_arg(args, unsigned int); | |
1438 | real_stack.arg13 = va_arg(args, unsigned int); | |
1439 | va_end(args); | |
1440 | ||
1441 | return real32_call_asm(&real_stack.sp, &real_stack.arg0, fn); | |
1442 | } | |
1443 | ||
a8f44e38 | 1444 | #ifdef CONFIG_64BIT |
1da177e4 LT |
1445 | /***************** 64-bit real-mode calls ***********/ |
1446 | ||
1447 | struct wide_stack { | |
1448 | unsigned long arg0; | |
1449 | unsigned long arg1; | |
1450 | unsigned long arg2; | |
1451 | unsigned long arg3; | |
1452 | unsigned long arg4; | |
1453 | unsigned long arg5; | |
1454 | unsigned long arg6; | |
1455 | unsigned long arg7; | |
1456 | unsigned long arg8; | |
1457 | unsigned long arg9; | |
1458 | unsigned long arg10; | |
1459 | unsigned long arg11; | |
1460 | unsigned long arg12; | |
1461 | unsigned long arg13; | |
1462 | unsigned long frame_marker[2]; /* rp, previous sp */ | |
1463 | unsigned long sp; | |
1464 | /* in reality, there's nearly 8k of stack after this */ | |
1465 | }; | |
1466 | ||
1467 | long real64_call(unsigned long fn, ...) | |
1468 | { | |
1469 | va_list args; | |
1470 | extern struct wide_stack real64_stack; | |
1471 | extern unsigned long real64_call_asm(unsigned long *, | |
1472 | unsigned long *, | |
1473 | unsigned long); | |
1474 | ||
1475 | va_start(args, fn); | |
1476 | real64_stack.arg0 = va_arg(args, unsigned long); | |
1477 | real64_stack.arg1 = va_arg(args, unsigned long); | |
1478 | real64_stack.arg2 = va_arg(args, unsigned long); | |
1479 | real64_stack.arg3 = va_arg(args, unsigned long); | |
1480 | real64_stack.arg4 = va_arg(args, unsigned long); | |
1481 | real64_stack.arg5 = va_arg(args, unsigned long); | |
1482 | real64_stack.arg6 = va_arg(args, unsigned long); | |
1483 | real64_stack.arg7 = va_arg(args, unsigned long); | |
1484 | real64_stack.arg8 = va_arg(args, unsigned long); | |
1485 | real64_stack.arg9 = va_arg(args, unsigned long); | |
1486 | real64_stack.arg10 = va_arg(args, unsigned long); | |
1487 | real64_stack.arg11 = va_arg(args, unsigned long); | |
1488 | real64_stack.arg12 = va_arg(args, unsigned long); | |
1489 | real64_stack.arg13 = va_arg(args, unsigned long); | |
1490 | va_end(args); | |
1491 | ||
1492 | return real64_call_asm(&real64_stack.sp, &real64_stack.arg0, fn); | |
1493 | } | |
1494 | ||
a8f44e38 | 1495 | #endif /* CONFIG_64BIT */ |
1da177e4 | 1496 |