1 #ifndef _PARISC_PDC_H
2 #define _PARISC_PDC_H
3 
4 /*
5  *	PDC return values ...
6  *	All PDC calls return a subset of these errors.
7  */
8 
9 #define PDC_WARN		  3	/* Call completed with a warning */
10 #define PDC_REQ_ERR_1		  2	/* See above			 */
11 #define PDC_REQ_ERR_0		  1	/* Call would generate a requestor error */
12 #define PDC_OK			  0	/* Call completed successfully	*/
13 #define PDC_BAD_PROC		 -1	/* Called non-existent procedure*/
14 #define PDC_BAD_OPTION		 -2	/* Called with non-existent option */
15 #define PDC_ERROR		 -3	/* Call could not complete without an error */
16 #define PDC_NE_MOD		 -5	/* Module not found		*/
17 #define PDC_NE_CELL_MOD		 -7	/* Cell module not found	*/
18 #define PDC_INVALID_ARG		-10	/* Called with an invalid argument */
19 #define PDC_BUS_POW_WARN	-12	/* Call could not complete in allowed power budget */
20 #define PDC_NOT_NARROW		-17	/* Narrow mode not supported	*/
21 
22 /*
23  *	PDC entry points...
24  */
25 
26 #define PDC_POW_FAIL	1		/* perform a power-fail		*/
27 #define PDC_POW_FAIL_PREPARE	0	/* prepare for powerfail	*/
28 
29 #define PDC_CHASSIS	2		/* PDC-chassis functions	*/
30 #define PDC_CHASSIS_DISP	0	/* update chassis display	*/
31 #define PDC_CHASSIS_WARN	1	/* return chassis warnings	*/
32 #define PDC_CHASSIS_DISPWARN	2	/* update&return chassis status */
33 #define PDC_RETURN_CHASSIS_INFO 128	/* HVERSION dependent: return chassis LED/LCD info  */
34 
35 #define PDC_PIM         3               /* Get PIM data                 */
36 #define PDC_PIM_HPMC            0       /* Transfer HPMC data           */
37 #define PDC_PIM_RETURN_SIZE     1       /* Get Max buffer needed for PIM*/
38 #define PDC_PIM_LPMC            2       /* Transfer HPMC data           */
39 #define PDC_PIM_SOFT_BOOT       3       /* Transfer Soft Boot data      */
40 #define PDC_PIM_TOC             4       /* Transfer TOC data            */
41 
42 #define PDC_MODEL	4		/* PDC model information call	*/
43 #define PDC_MODEL_INFO		0	/* returns information 		*/
44 #define PDC_MODEL_BOOTID	1	/* set the BOOT_ID		*/
45 #define PDC_MODEL_VERSIONS	2	/* returns cpu-internal versions*/
46 #define PDC_MODEL_SYSMODEL	3	/* return system model info	*/
47 #define PDC_MODEL_ENSPEC	4	/* enable specific option	*/
48 #define PDC_MODEL_DISPEC	5	/* disable specific option	*/
49 #define PDC_MODEL_CPU_ID	6	/* returns cpu-id (only newer machines!) */
50 #define PDC_MODEL_CAPABILITIES	7	/* returns OS32/OS64-flags	*/
51 /* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
52 #define  PDC_MODEL_OS64			(1 << 0)
53 #define  PDC_MODEL_OS32			(1 << 1)
54 #define  PDC_MODEL_IOPDIR_FDC		(1 << 2)
55 #define  PDC_MODEL_NVA_MASK		(3 << 4)
56 #define  PDC_MODEL_NVA_SUPPORTED	(0 << 4)
57 #define  PDC_MODEL_NVA_SLOW		(1 << 4)
58 #define  PDC_MODEL_NVA_UNSUPPORTED	(3 << 4)
59 #define PDC_MODEL_GET_BOOT__OP	8	/* returns boot test options	*/
60 #define PDC_MODEL_SET_BOOT__OP	9	/* set boot test options	*/
61 
62 #define PA89_INSTRUCTION_SET	0x4	/* capatibilies returned	*/
63 #define PA90_INSTRUCTION_SET	0x8
64 
65 #define PDC_CACHE	5		/* return/set cache (& TLB) info*/
66 #define PDC_CACHE_INFO		0	/* returns information 		*/
67 #define PDC_CACHE_SET_COH	1	/* set coherence state		*/
68 #define PDC_CACHE_RET_SPID	2	/* returns space-ID bits	*/
69 
70 #define PDC_HPA		6		/* return HPA of processor	*/
71 #define PDC_HPA_PROCESSOR	0
72 #define PDC_HPA_MODULES		1
73 
74 #define PDC_COPROC	7		/* Co-Processor (usually FP unit(s)) */
75 #define PDC_COPROC_CFG		0	/* Co-Processor Cfg (FP unit(s) enabled?) */
76 
77 #define PDC_IODC	8		/* talk to IODC			*/
78 #define PDC_IODC_READ		0	/* read IODC entry point	*/
79 /*      PDC_IODC_RI_			 * INDEX parameter of PDC_IODC_READ */
80 #define PDC_IODC_RI_DATA_BYTES	0	/* IODC Data Bytes		*/
81 /*				1, 2	   obsolete - HVERSION dependent*/
82 #define PDC_IODC_RI_INIT	3	/* Initialize module		*/
83 #define PDC_IODC_RI_IO		4	/* Module input/output		*/
84 #define PDC_IODC_RI_SPA		5	/* Module input/output		*/
85 #define PDC_IODC_RI_CONFIG	6	/* Module input/output		*/
86 /*				7	  obsolete - HVERSION dependent */
87 #define PDC_IODC_RI_TEST	8	/* Module input/output		*/
88 #define PDC_IODC_RI_TLB		9	/* Module input/output		*/
89 #define PDC_IODC_NINIT		2	/* non-destructive init		*/
90 #define PDC_IODC_DINIT		3	/* destructive init		*/
91 #define PDC_IODC_MEMERR		4	/* check for memory errors	*/
92 #define PDC_IODC_INDEX_DATA	0	/* get first 16 bytes from mod IODC */
93 #define PDC_IODC_BUS_ERROR	-4	/* bus error return value	*/
94 #define PDC_IODC_INVALID_INDEX	-5	/* invalid index return value	*/
95 #define PDC_IODC_COUNT		-6	/* count is too small		*/
96 
97 #define PDC_TOD		9		/* time-of-day clock (TOD)	*/
98 #define PDC_TOD_READ		0	/* read TOD			*/
99 #define PDC_TOD_WRITE		1	/* write TOD			*/
100 
101 
102 #define PDC_STABLE	10		/* stable storage (sprockets)	*/
103 #define PDC_STABLE_READ		0
104 #define PDC_STABLE_WRITE	1
105 #define PDC_STABLE_RETURN_SIZE	2
106 #define PDC_STABLE_VERIFY_CONTENTS 3
107 #define PDC_STABLE_INITIALIZE	4
108 
109 #define PDC_NVOLATILE	11		/* often not implemented	*/
110 
111 #define PDC_ADD_VALID	12		/* Memory validation PDC call	*/
112 #define PDC_ADD_VALID_VERIFY	0	/* Make PDC_ADD_VALID verify region */
113 
114 #define PDC_INSTR	15		/* get instr to invoke PDCE_CHECK() */
115 
116 #define PDC_PROC	16		/* (sprockets)			*/
117 
118 #define PDC_CONFIG	16		/* (sprockets)			*/
119 #define PDC_CONFIG_DECONFIG	0
120 #define PDC_CONFIG_DRECONFIG	1
121 #define PDC_CONFIG_DRETURN_CONFIG 2
122 
123 #define PDC_BLOCK_TLB	18		/* manage hardware block-TLB	*/
124 #define PDC_BTLB_INFO		0	/* returns parameter 		*/
125 #define PDC_BTLB_INSERT		1	/* insert BTLB entry		*/
126 #define PDC_BTLB_PURGE		2	/* purge BTLB entries 		*/
127 #define PDC_BTLB_PURGE_ALL	3	/* purge all BTLB entries 	*/
128 
129 #define PDC_TLB		19		/* manage hardware TLB miss handling */
130 #define PDC_TLB_INFO		0	/* returns parameter 		*/
131 #define PDC_TLB_SETUP		1	/* set up miss handling 	*/
132 
133 #define PDC_MEM		20		/* Manage memory		*/
134 #define PDC_MEM_MEMINFO		0
135 #define PDC_MEM_ADD_PAGE	1
136 #define PDC_MEM_CLEAR_PDT	2
137 #define PDC_MEM_READ_PDT	3
138 #define PDC_MEM_RESET_CLEAR	4
139 #define PDC_MEM_GOODMEM		5
140 #define PDC_MEM_TABLE		128	/* Non contig mem map (sprockets) */
141 #define PDC_MEM_RETURN_ADDRESS_TABLE	PDC_MEM_TABLE
142 #define PDC_MEM_GET_MEMORY_SYSTEM_TABLES_SIZE	131
143 #define PDC_MEM_GET_MEMORY_SYSTEM_TABLES	132
144 #define PDC_MEM_GET_PHYSICAL_LOCATION_FROM_MEMORY_ADDRESS 133
145 
146 #define PDC_MEM_RET_SBE_REPLACED	5	/* PDC_MEM return values */
147 #define PDC_MEM_RET_DUPLICATE_ENTRY	4
148 #define PDC_MEM_RET_BUF_SIZE_SMALL	1
149 #define PDC_MEM_RET_PDT_FULL		-11
150 #define PDC_MEM_RET_INVALID_PHYSICAL_LOCATION ~0ULL
151 
152 #define PDC_PSW		21		/* Get/Set default System Mask  */
153 #define PDC_PSW_MASK		0	/* Return mask                  */
154 #define PDC_PSW_GET_DEFAULTS	1	/* Return defaults              */
155 #define PDC_PSW_SET_DEFAULTS	2	/* Set default                  */
156 #define PDC_PSW_ENDIAN_BIT	1	/* set for big endian           */
157 #define PDC_PSW_WIDE_BIT	2	/* set for wide mode            */
158 
159 #define PDC_SYSTEM_MAP	22		/* find system modules		*/
160 #define PDC_FIND_MODULE 	0
161 #define PDC_FIND_ADDRESS	1
162 #define PDC_TRANSLATE_PATH	2
163 
164 #define PDC_SOFT_POWER	23		/* soft power switch		*/
165 #define PDC_SOFT_POWER_INFO	0	/* return info about the soft power switch */
166 #define PDC_SOFT_POWER_ENABLE	1	/* enable/disable soft power switch */
167 
168 
169 /* HVERSION dependent */
170 
171 /* The PDC_MEM_MAP calls */
172 #define PDC_MEM_MAP	128		/* on s700: return page info	*/
173 #define PDC_MEM_MAP_HPA		0	/* returns hpa of a module	*/
174 
175 #define PDC_EEPROM	129		/* EEPROM access		*/
176 #define PDC_EEPROM_READ_WORD	0
177 #define PDC_EEPROM_WRITE_WORD	1
178 #define PDC_EEPROM_READ_BYTE	2
179 #define PDC_EEPROM_WRITE_BYTE	3
180 #define PDC_EEPROM_EEPROM_PASSWORD -1000
181 
182 #define PDC_NVM		130		/* NVM (non-volatile memory) access */
183 #define PDC_NVM_READ_WORD	0
184 #define PDC_NVM_WRITE_WORD	1
185 #define PDC_NVM_READ_BYTE	2
186 #define PDC_NVM_WRITE_BYTE	3
187 
188 #define PDC_SEED_ERROR	132		/* (sprockets)			*/
189 
190 #define PDC_IO		135		/* log error info, reset IO system */
191 #define PDC_IO_READ_AND_CLEAR_ERRORS	0
192 #define PDC_IO_RESET			1
193 #define PDC_IO_RESET_DEVICES		2
194 /* sets bits 6&7 (little endian) of the HcControl Register */
195 #define PDC_IO_USB_SUSPEND	0xC000000000000000
196 #define PDC_IO_EEPROM_IO_ERR_TABLE_FULL	-5	/* return value */
197 #define PDC_IO_NO_SUSPEND		-6	/* return value */
198 
199 #define PDC_BROADCAST_RESET 136		/* reset all processors		*/
200 #define PDC_DO_RESET		0	/* option: perform a broadcast reset */
201 #define PDC_DO_FIRM_TEST_RESET	1	/* Do broadcast reset with bitmap */
202 #define PDC_BR_RECONFIGURATION	2	/* reset w/reconfiguration	*/
203 #define PDC_FIRM_TEST_MAGIC	0xab9ec36fUL    /* for this reboot only	*/
204 
205 #define PDC_LAN_STATION_ID 138		/* Hversion dependent mechanism for */
206 #define PDC_LAN_STATION_ID_READ	0	/* getting the lan station address  */
207 
208 #define	PDC_LAN_STATION_ID_SIZE	6
209 
210 #define PDC_CHECK_RANGES 139		/* (sprockets)			*/
211 
212 #define PDC_NV_SECTIONS	141		/* (sprockets)			*/
213 
214 #define PDC_PERFORMANCE	142		/* performance monitoring	*/
215 
216 #define PDC_SYSTEM_INFO	143		/* system information		*/
217 #define PDC_SYSINFO_RETURN_INFO_SIZE	0
218 #define PDC_SYSINFO_RRETURN_SYS_INFO	1
219 #define PDC_SYSINFO_RRETURN_ERRORS	2
220 #define PDC_SYSINFO_RRETURN_WARNINGS	3
221 #define PDC_SYSINFO_RETURN_REVISIONS	4
222 #define PDC_SYSINFO_RRETURN_DIAGNOSE	5
223 #define PDC_SYSINFO_RRETURN_HV_DIAGNOSE	1005
224 
225 #define PDC_RDR		144		/* (sprockets)			*/
226 #define PDC_RDR_READ_BUFFER	0
227 #define PDC_RDR_READ_SINGLE	1
228 #define PDC_RDR_WRITE_SINGLE	2
229 
230 #define PDC_INTRIGUE	145 		/* (sprockets)			*/
231 #define PDC_INTRIGUE_WRITE_BUFFER 	 0
232 #define PDC_INTRIGUE_GET_SCRATCH_BUFSIZE 1
233 #define PDC_INTRIGUE_START_CPU_COUNTERS	 2
234 #define PDC_INTRIGUE_STOP_CPU_COUNTERS	 3
235 
236 #define PDC_STI		146 		/* STI access			*/
237 /* same as PDC_PCI_XXX values (see below) */
238 
239 /* Legacy PDC definitions for same stuff */
240 #define PDC_PCI_INDEX	147
241 #define PDC_PCI_INTERFACE_INFO		0
242 #define PDC_PCI_SLOT_INFO		1
243 #define PDC_PCI_INFLIGHT_BYTES		2
244 #define PDC_PCI_READ_CONFIG		3
245 #define PDC_PCI_WRITE_CONFIG		4
246 #define PDC_PCI_READ_PCI_IO		5
247 #define PDC_PCI_WRITE_PCI_IO		6
248 #define PDC_PCI_READ_CONFIG_DELAY	7
249 #define PDC_PCI_UPDATE_CONFIG_DELAY	8
250 #define PDC_PCI_PCI_PATH_TO_PCI_HPA	9
251 #define PDC_PCI_PCI_HPA_TO_PCI_PATH	10
252 #define PDC_PCI_PCI_PATH_TO_PCI_BUS	11
253 #define PDC_PCI_PCI_RESERVED		12
254 #define PDC_PCI_PCI_INT_ROUTE_SIZE	13
255 #define PDC_PCI_GET_INT_TBL_SIZE	PDC_PCI_PCI_INT_ROUTE_SIZE
256 #define PDC_PCI_PCI_INT_ROUTE		14
257 #define PDC_PCI_GET_INT_TBL		PDC_PCI_PCI_INT_ROUTE
258 #define PDC_PCI_READ_MON_TYPE		15
259 #define PDC_PCI_WRITE_MON_TYPE		16
260 
261 
262 /* Get SCSI Interface Card info:  SDTR, SCSI ID, mode (SE vs LVD) */
263 #define PDC_INITIATOR	163
264 #define PDC_GET_INITIATOR	0
265 #define PDC_SET_INITIATOR	1
266 #define PDC_DELETE_INITIATOR	2
267 #define PDC_RETURN_TABLE_SIZE	3
268 #define PDC_RETURN_TABLE	4
269 
270 #define PDC_LINK	165 		/* (sprockets)			*/
271 #define PDC_LINK_PCI_ENTRY_POINTS	0  /* list (Arg1) = 0 */
272 #define PDC_LINK_USB_ENTRY_POINTS	1  /* list (Arg1) = 1 */
273 
274 /* cl_class
275  * page 3-33 of IO-Firmware ARS
276  * IODC ENTRY_INIT(Search first) RET[1]
277  */
278 #define	CL_NULL		0	/* invalid */
279 #define	CL_RANDOM	1	/* random access (as disk) */
280 #define	CL_SEQU		2	/* sequential access (as tape) */
281 #define	CL_DUPLEX	7	/* full-duplex point-to-point (RS-232, Net) */
282 #define	CL_KEYBD	8	/* half-duplex console (HIL Keyboard) */
283 #define	CL_DISPL	9	/* half-duplex console (display) */
284 #define	CL_FC		10	/* FiberChannel access media */
285 
286 /* IODC ENTRY_INIT() */
287 #define ENTRY_INIT_SRCH_FRST	2
288 #define ENTRY_INIT_SRCH_NEXT	3
289 #define ENTRY_INIT_MOD_DEV	4
290 #define ENTRY_INIT_DEV		5
291 #define ENTRY_INIT_MOD		6
292 #define ENTRY_INIT_MSG		9
293 
294 /* IODC ENTRY_IO() */
295 #define ENTRY_IO_BOOTIN		0
296 #define ENTRY_IO_BOOTOUT	1
297 #define ENTRY_IO_CIN		2
298 #define ENTRY_IO_COUT		3
299 #define ENTRY_IO_CLOSE		4
300 #define ENTRY_IO_GETMSG		9
301 #define ENTRY_IO_BBLOCK_IN	16
302 #define ENTRY_IO_BBLOCK_OUT	17
303 
304 /* IODC ENTRY_SPA() */
305 
306 /* IODC ENTRY_CONFIG() */
307 
308 /* IODC ENTRY_TEST() */
309 
310 /* IODC ENTRY_TLB() */
311 
312 /* constants for OS (NVM...) */
313 #define OS_ID_NONE		0	/* Undefined OS ID	*/
314 #define OS_ID_HPUX		1	/* HP-UX OS		*/
315 #define OS_ID_MPEXL		2	/* MPE XL OS		*/
316 #define OS_ID_OSF		3	/* OSF OS		*/
317 #define OS_ID_HPRT		4	/* HP-RT OS		*/
318 #define OS_ID_NOVEL		5	/* NOVELL OS		*/
319 #define OS_ID_LINUX		6	/* Linux		*/
320 
321 
322 /* constants for PDC_CHASSIS */
323 #define OSTAT_OFF		0
324 #define OSTAT_FLT		1
325 #define OSTAT_TEST		2
326 #define OSTAT_INIT		3
327 #define OSTAT_SHUT		4
328 #define OSTAT_WARN		5
329 #define OSTAT_RUN		6
330 #define OSTAT_ON		7
331 
332 /* Page Zero constant offsets used by the HPMC handler */
333 #define BOOT_CONSOLE_HPA_OFFSET  0x3c0
334 #define BOOT_CONSOLE_SPA_OFFSET  0x3c4
335 #define BOOT_CONSOLE_PATH_OFFSET 0x3a8
336 
337 /* size of the pdc_result buffer for firmware.c */
338 #define NUM_PDC_RESULT	32
339 
340 #if !defined(__ASSEMBLY__)
341 
342 #include <linux/types.h>
343 
344 #ifdef __KERNEL__
345 
346 #include <asm/page.h> /* for __PAGE_OFFSET */
347 
348 extern int pdc_type;
349 
350 /* Values for pdc_type */
351 #define PDC_TYPE_ILLEGAL	-1
352 #define PDC_TYPE_PAT		 0 /* 64-bit PAT-PDC */
353 #define PDC_TYPE_SYSTEM_MAP	 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
354 #define PDC_TYPE_SNAKE		 2 /* Doesn't support SYSTEM_MAP */
355 
356 struct pdc_chassis_info {       /* for PDC_CHASSIS_INFO */
357 	unsigned long actcnt;   /* actual number of bytes returned */
358 	unsigned long maxcnt;   /* maximum number of bytes that could be returned */
359 };
360 
361 struct pdc_coproc_cfg {         /* for PDC_COPROC_CFG */
362         unsigned long ccr_functional;
363         unsigned long ccr_present;
364         unsigned long revision;
365         unsigned long model;
366 };
367 
368 struct pdc_model {		/* for PDC_MODEL */
369 	unsigned long hversion;
370 	unsigned long sversion;
371 	unsigned long hw_id;
372 	unsigned long boot_id;
373 	unsigned long sw_id;
374 	unsigned long sw_cap;
375 	unsigned long arch_rev;
376 	unsigned long pot_key;
377 	unsigned long curr_key;
378 };
379 
380 struct pdc_cache_cf {		/* for PDC_CACHE  (I/D-caches) */
381     unsigned long
382 #ifdef CONFIG_64BIT
383 		cc_padW:32,
384 #endif
385 		cc_alias: 4,	/* alias boundaries for virtual addresses   */
386 		cc_block: 4,	/* to determine most efficient stride */
387 		cc_line	: 3,	/* maximum amount written back as a result of store (multiple of 16 bytes) */
388 		cc_shift: 2,	/* how much to shift cc_block left */
389 		cc_wt	: 1,	/* 0 = WT-Dcache, 1 = WB-Dcache */
390 		cc_sh	: 2,	/* 0 = separate I/D-cache, else shared I/D-cache */
391 		cc_cst  : 3,	/* 0 = incoherent D-cache, 1=coherent D-cache */
392 		cc_pad1 : 10,	/* reserved */
393 		cc_hv   : 3;	/* hversion dependent */
394 };
395 
396 struct pdc_tlb_cf {		/* for PDC_CACHE (I/D-TLB's) */
397     unsigned long tc_pad0:12,	/* reserved */
398 #ifdef CONFIG_64BIT
399 		tc_padW:32,
400 #endif
401 		tc_sh	: 2,	/* 0 = separate I/D-TLB, else shared I/D-TLB */
402 		tc_hv   : 1,	/* HV */
403 		tc_page : 1,	/* 0 = 2K page-size-machine, 1 = 4k page size */
404 		tc_cst  : 3,	/* 0 = incoherent operations, else coherent operations */
405 		tc_aid  : 5,	/* ITLB: width of access ids of processor (encoded!) */
406 		tc_pad1 : 8;	/* ITLB: width of space-registers (encoded) */
407 };
408 
409 struct pdc_cache_info {		/* main-PDC_CACHE-structure (caches & TLB's) */
410 	/* I-cache */
411 	unsigned long	ic_size;	/* size in bytes */
412 	struct pdc_cache_cf ic_conf;	/* configuration */
413 	unsigned long	ic_base;	/* base-addr */
414 	unsigned long	ic_stride;
415 	unsigned long	ic_count;
416 	unsigned long	ic_loop;
417 	/* D-cache */
418 	unsigned long	dc_size;	/* size in bytes */
419 	struct pdc_cache_cf dc_conf;	/* configuration */
420 	unsigned long	dc_base;	/* base-addr */
421 	unsigned long	dc_stride;
422 	unsigned long	dc_count;
423 	unsigned long	dc_loop;
424 	/* Instruction-TLB */
425 	unsigned long	it_size;	/* number of entries in I-TLB */
426 	struct pdc_tlb_cf it_conf;	/* I-TLB-configuration */
427 	unsigned long	it_sp_base;
428 	unsigned long	it_sp_stride;
429 	unsigned long	it_sp_count;
430 	unsigned long	it_off_base;
431 	unsigned long	it_off_stride;
432 	unsigned long	it_off_count;
433 	unsigned long	it_loop;
434 	/* data-TLB */
435 	unsigned long	dt_size;	/* number of entries in D-TLB */
436 	struct pdc_tlb_cf dt_conf;	/* D-TLB-configuration */
437 	unsigned long	dt_sp_base;
438 	unsigned long	dt_sp_stride;
439 	unsigned long	dt_sp_count;
440 	unsigned long	dt_off_base;
441 	unsigned long	dt_off_stride;
442 	unsigned long	dt_off_count;
443 	unsigned long	dt_loop;
444 };
445 
446 #if 0
447 /* If you start using the next struct, you'll have to adjust it to
448  * work with 64-bit firmware I think -PB
449  */
450 struct pdc_iodc {     /* PDC_IODC */
451 	unsigned char   hversion_model;
452 	unsigned char 	hversion;
453 	unsigned char 	spa;
454 	unsigned char 	type;
455 	unsigned int	sversion_rev:4;
456 	unsigned int	sversion_model:19;
457 	unsigned int	sversion_opt:8;
458 	unsigned char	rev;
459 	unsigned char	dep;
460 	unsigned char	features;
461 	unsigned char	pad1;
462 	unsigned int	checksum:16;
463 	unsigned int	length:16;
464 	unsigned int    pad[15];
465 } __attribute__((aligned(8))) ;
466 #endif
467 
468 #ifndef CONFIG_PA20
469 /* no BLTBs in pa2.0 processors */
470 struct pdc_btlb_info_range {
471 	__u8 res00;
472 	__u8 num_i;
473 	__u8 num_d;
474 	__u8 num_comb;
475 };
476 
477 struct pdc_btlb_info {	/* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */
478 	unsigned int min_size;	/* minimum size of BTLB in pages */
479 	unsigned int max_size;	/* maximum size of BTLB in pages */
480 	struct pdc_btlb_info_range fixed_range_info;
481 	struct pdc_btlb_info_range variable_range_info;
482 };
483 
484 #endif /* !CONFIG_PA20 */
485 
486 #ifdef CONFIG_64BIT
487 struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
488 	unsigned long entries_returned;
489 	unsigned long entries_total;
490 };
491 
492 struct pdc_memory_table {       /* PDC_MEM/PDC_MEM_TABLE (arguments) */
493 	unsigned long paddr;
494 	unsigned int  pages;
495 	unsigned int  reserved;
496 };
497 #endif /* CONFIG_64BIT */
498 
499 struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */
500 	unsigned long mod_addr;
501 	unsigned long mod_pgs;
502 	unsigned long add_addrs;
503 };
504 
505 struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
506 	unsigned long mod_addr;
507 	unsigned long mod_pgs;
508 };
509 
510 struct pdc_initiator { /* PDC_INITIATOR */
511 	int host_id;
512 	int factor;
513 	int width;
514 	int mode;
515 };
516 
517 struct hardware_path {
518 	char  flags;	/* see bit definitions below */
519 	char  bc[6];	/* Bus Converter routing info to a specific */
520 			/* I/O adaptor (< 0 means none, > 63 resvd) */
521 	char  mod;	/* fixed field of specified module */
522 };
523 
524 /*
525  * Device path specifications used by PDC.
526  */
527 struct pdc_module_path {
528 	struct hardware_path path;
529 	unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
530 };
531 
532 #ifndef CONFIG_PA20
533 /* Only used on some pre-PA2.0 boxes */
534 struct pdc_memory_map {		/* PDC_MEMORY_MAP */
535 	unsigned long hpa;	/* mod's register set address */
536 	unsigned long more_pgs;	/* number of additional I/O pgs */
537 };
538 #endif
539 
540 struct pdc_tod {
541 	unsigned long tod_sec;
542 	unsigned long tod_usec;
543 };
544 
545 /* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */
546 
547 struct pdc_hpmc_pim_11 { /* PDC_PIM */
548 	__u32 gr[32];
549 	__u32 cr[32];
550 	__u32 sr[8];
551 	__u32 iasq_back;
552 	__u32 iaoq_back;
553 	__u32 check_type;
554 	__u32 cpu_state;
555 	__u32 rsvd1;
556 	__u32 cache_check;
557 	__u32 tlb_check;
558 	__u32 bus_check;
559 	__u32 assists_check;
560 	__u32 rsvd2;
561 	__u32 assist_state;
562 	__u32 responder_addr;
563 	__u32 requestor_addr;
564 	__u32 path_info;
565 	__u64 fr[32];
566 };
567 
568 /*
569  * architected results from PDC_PIM/transfer hpmc on a PA2.0 machine
570  *
571  * Note that PDC_PIM doesn't care whether or not wide mode was enabled
572  * so the results are different on  PA1.1 vs. PA2.0 when in narrow mode.
573  *
574  * Note also that there are unarchitected results available, which
575  * are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since
576  * the firmware is probably the best way of printing hversion dependent
577  * data.
578  */
579 
580 struct pdc_hpmc_pim_20 { /* PDC_PIM */
581 	__u64 gr[32];
582 	__u64 cr[32];
583 	__u64 sr[8];
584 	__u64 iasq_back;
585 	__u64 iaoq_back;
586 	__u32 check_type;
587 	__u32 cpu_state;
588 	__u32 cache_check;
589 	__u32 tlb_check;
590 	__u32 bus_check;
591 	__u32 assists_check;
592 	__u32 assist_state;
593 	__u32 path_info;
594 	__u64 responder_addr;
595 	__u64 requestor_addr;
596 	__u64 fr[32];
597 };
598 
599 void pdc_console_init(void);	/* in pdc_console.c */
600 void pdc_console_restart(void);
601 
602 void setup_pdc(void);		/* in inventory.c */
603 
604 /* wrapper-functions from pdc.c */
605 
606 int pdc_add_valid(unsigned long address);
607 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
608 int pdc_chassis_disp(unsigned long disp);
609 int pdc_chassis_warn(unsigned long *warn);
610 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
611 int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
612 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
613 		  void *iodc_data, unsigned int iodc_data_size);
614 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
615 			     struct pdc_module_path *mod_path, long mod_index);
616 int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
617 			      long mod_index, long addr_index);
618 int pdc_model_info(struct pdc_model *model);
619 int pdc_model_sysmodel(char *name);
620 int pdc_model_cpuid(unsigned long *cpu_id);
621 int pdc_model_versions(unsigned long *versions, int id);
622 int pdc_model_capabilities(unsigned long *capabilities);
623 int pdc_cache_info(struct pdc_cache_info *cache);
624 int pdc_spaceid_bits(unsigned long *space_bits);
625 #ifndef CONFIG_PA20
626 int pdc_btlb_info(struct pdc_btlb_info *btlb);
627 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
628 #endif /* !CONFIG_PA20 */
629 int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
630 
631 int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
632 int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
633 int pdc_stable_get_size(unsigned long *size);
634 int pdc_stable_verify_contents(void);
635 int pdc_stable_initialize(void);
636 
637 int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
638 int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
639 
640 int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
641 int pdc_tod_read(struct pdc_tod *tod);
642 int pdc_tod_set(unsigned long sec, unsigned long usec);
643 
644 #ifdef CONFIG_64BIT
645 int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
646 		struct pdc_memory_table *tbl, unsigned long entries);
647 #endif
648 
649 void set_firmware_width(void);
650 void set_firmware_width_unlocked(void);
651 int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
652 int pdc_do_reset(void);
653 int pdc_soft_power_info(unsigned long *power_reg);
654 int pdc_soft_power_button(int sw_control);
655 void pdc_io_reset(void);
656 void pdc_io_reset_devices(void);
657 int pdc_iodc_getc(void);
658 int pdc_iodc_print(const unsigned char *str, unsigned count);
659 
660 void pdc_emergency_unlock(void);
661 int pdc_sti_call(unsigned long func, unsigned long flags,
662                  unsigned long inptr, unsigned long outputr,
663                  unsigned long glob_cfg);
664 
os_id_to_string(u16 os_id)665 static inline char * os_id_to_string(u16 os_id) {
666 	switch(os_id) {
667 	case OS_ID_NONE:	return "No OS";
668 	case OS_ID_HPUX:	return "HP-UX";
669 	case OS_ID_MPEXL:	return "MPE-iX";
670 	case OS_ID_OSF:		return "OSF";
671 	case OS_ID_HPRT:	return "HP-RT";
672 	case OS_ID_NOVEL:	return "Novell Netware";
673 	case OS_ID_LINUX:	return "Linux";
674 	default:	return "Unknown";
675 	}
676 }
677 
678 #endif /* __KERNEL__ */
679 
680 #define PAGE0   ((struct zeropage *)__PAGE_OFFSET)
681 
682 /* DEFINITION OF THE ZERO-PAGE (PAG0) */
683 /* based on work by Jason Eckhardt (jason@equator.com) */
684 
685 /* flags of the device_path */
686 #define	PF_AUTOBOOT	0x80
687 #define	PF_AUTOSEARCH	0x40
688 #define	PF_TIMER	0x0F
689 
690 struct device_path {		/* page 1-69 */
691 	unsigned char flags;	/* flags see above! */
692 	unsigned char bc[6];	/* bus converter routing info */
693 	unsigned char mod;
694 	unsigned int  layers[6];/* device-specific layer-info */
695 } __attribute__((aligned(8))) ;
696 
697 struct pz_device {
698 	struct	device_path dp;	/* see above */
699 	/* struct	iomod *hpa; */
700 	unsigned int hpa;	/* HPA base address */
701 	/* char	*spa; */
702 	unsigned int spa;	/* SPA base address */
703 	/* int	(*iodc_io)(struct iomod*, ...); */
704 	unsigned int iodc_io;	/* device entry point */
705 	short	pad;		/* reserved */
706 	unsigned short cl_class;/* see below */
707 } __attribute__((aligned(8))) ;
708 
709 struct zeropage {
710 	/* [0x000] initialize vectors (VEC) */
711 	unsigned int	vec_special;		/* must be zero */
712 	/* int	(*vec_pow_fail)(void);*/
713 	unsigned int	vec_pow_fail; /* power failure handler */
714 	/* int	(*vec_toc)(void); */
715 	unsigned int	vec_toc;
716 	unsigned int	vec_toclen;
717 	/* int	(*vec_rendz)(void); */
718 	unsigned int vec_rendz;
719 	int	vec_pow_fail_flen;
720 	int	vec_pad[10];
721 
722 	/* [0x040] reserved processor dependent */
723 	int	pad0[112];
724 
725 	/* [0x200] reserved */
726 	int	pad1[84];
727 
728 	/* [0x350] memory configuration (MC) */
729 	int	memc_cont;		/* contiguous mem size (bytes) */
730 	int	memc_phsize;		/* physical memory size */
731 	int	memc_adsize;		/* additional mem size, bytes of SPA space used by PDC */
732 	unsigned int mem_pdc_hi;	/* used for 64-bit */
733 
734 	/* [0x360] various parameters for the boot-CPU */
735 	/* unsigned int *mem_booterr[8]; */
736 	unsigned int mem_booterr[8];	/* ptr to boot errors */
737 	unsigned int mem_free;		/* first location, where OS can be loaded */
738 	/* struct iomod *mem_hpa; */
739 	unsigned int mem_hpa;		/* HPA of the boot-CPU */
740 	/* int (*mem_pdc)(int, ...); */
741 	unsigned int mem_pdc;		/* PDC entry point */
742 	unsigned int mem_10msec;	/* number of clock ticks in 10msec */
743 
744 	/* [0x390] initial memory module (IMM) */
745 	/* struct iomod *imm_hpa; */
746 	unsigned int imm_hpa;		/* HPA of the IMM */
747 	int	imm_soft_boot;		/* 0 = was hard boot, 1 = was soft boot */
748 	unsigned int	imm_spa_size;		/* SPA size of the IMM in bytes */
749 	unsigned int	imm_max_mem;		/* bytes of mem in IMM */
750 
751 	/* [0x3A0] boot console, display device and keyboard */
752 	struct pz_device mem_cons;	/* description of console device */
753 	struct pz_device mem_boot;	/* description of boot device */
754 	struct pz_device mem_kbd;	/* description of keyboard device */
755 
756 	/* [0x430] reserved */
757 	int	pad430[116];
758 
759 	/* [0x600] processor dependent */
760 	__u32	pad600[1];
761 	__u32	proc_sti;		/* pointer to STI ROM */
762 	__u32	pad608[126];
763 };
764 
765 #endif /* !defined(__ASSEMBLY__) */
766 
767 #endif /* _PARISC_PDC_H */
768