1 #ifndef __PARISC_PATPDC_H
2 #define __PARISC_PATPDC_H
3 
4 /*
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License.  See the file "COPYING" in the main directory of this archive
7  * for more details.
8  *
9  * Copyright 2000 (c) Hewlett Packard (Paul Bame <bame()spam.parisc-linux.org>)
10  * Copyright 2000,2004 (c) Grant Grundler <grundler()nahspam.parisc-linux.org>
11  */
12 
13 
14 #define PDC_PAT_CELL           	64L   /* Interface for gaining and
15                                          * manipulatin g cell state within PD */
16 #define PDC_PAT_CELL_GET_NUMBER    0L   /* Return Cell number */
17 #define PDC_PAT_CELL_GET_INFO      1L   /* Returns info about Cell */
18 #define PDC_PAT_CELL_MODULE        2L   /* Returns info about Module */
19 #define PDC_PAT_CELL_SET_ATTENTION 9L   /* Set Cell Attention indicator */
20 #define PDC_PAT_CELL_NUMBER_TO_LOC 10L   /* Cell Number -> Location */
21 #define PDC_PAT_CELL_WALK_FABRIC   11L   /* Walk the Fabric */
22 #define PDC_PAT_CELL_GET_RDT_SIZE  12L   /* Return Route Distance Table Sizes */
23 #define PDC_PAT_CELL_GET_RDT       13L   /* Return Route Distance Tables */
24 #define PDC_PAT_CELL_GET_LOCAL_PDH_SZ 14L /* Read Local PDH Buffer Size */
25 #define PDC_PAT_CELL_SET_LOCAL_PDH    15L  /* Write Local PDH Buffer */
26 #define PDC_PAT_CELL_GET_REMOTE_PDH_SZ 16L /* Return Remote PDH Buffer Size */
27 #define PDC_PAT_CELL_GET_REMOTE_PDH 17L /* Read Remote PDH Buffer */
28 #define PDC_PAT_CELL_GET_DBG_INFO   128L  /* Return DBG Buffer Info */
29 #define PDC_PAT_CELL_CHANGE_ALIAS   129L  /* Change Non-Equivalent Alias Chacking */
30 
31 
32 /*
33 ** Arg to PDC_PAT_CELL_MODULE memaddr[4]
34 **
35 ** Addresses on the Merced Bus != all Runway Bus addresses.
36 ** This is intended for programming SBA/LBA chips range registers.
37 */
38 #define IO_VIEW      0UL
39 #define PA_VIEW      1UL
40 
41 /* PDC_PAT_CELL_MODULE entity type values */
42 #define	PAT_ENTITY_CA	0	/* central agent */
43 #define	PAT_ENTITY_PROC	1	/* processor */
44 #define	PAT_ENTITY_MEM	2	/* memory controller */
45 #define	PAT_ENTITY_SBA	3	/* system bus adapter */
46 #define	PAT_ENTITY_LBA	4	/* local bus adapter */
47 #define	PAT_ENTITY_PBC	5	/* processor bus converter */
48 #define	PAT_ENTITY_XBC	6	/* crossbar fabric connect */
49 #define	PAT_ENTITY_RC	7	/* fabric interconnect */
50 
51 /* PDC_PAT_CELL_MODULE address range type values */
52 #define PAT_PBNUM           0         /* PCI Bus Number */
53 #define PAT_LMMIO           1         /* < 4G MMIO Space */
54 #define PAT_GMMIO           2         /* > 4G MMIO Space */
55 #define PAT_NPIOP           3         /* Non Postable I/O Port Space */
56 #define PAT_PIOP            4         /* Postable I/O Port Space */
57 #define PAT_AHPA            5         /* Addional HPA Space */
58 #define PAT_UFO             6         /* HPA Space (UFO for Mariposa) */
59 #define PAT_GNIP            7         /* GNI Reserved Space */
60 
61 
62 
63 /* PDC PAT CHASSIS LOG -- Platform logging & forward progress functions */
64 
65 #define PDC_PAT_CHASSIS_LOG		65L
66 #define PDC_PAT_CHASSIS_WRITE_LOG    	0L /* Write Log Entry */
67 #define PDC_PAT_CHASSIS_READ_LOG     	1L /* Read  Log Entry */
68 
69 
70 /* PDC PAT COMPLEX */
71 
72 #define PDC_PAT_COMPLEX			66L
73 
74 /* PDC PAT CPU  -- CPU configuration within the protection domain */
75 
76 #define PDC_PAT_CPU                	67L
77 #define PDC_PAT_CPU_INFO            	0L /* Return CPU config info */
78 #define PDC_PAT_CPU_DELETE          	1L /* Delete CPU */
79 #define PDC_PAT_CPU_ADD             	2L /* Add    CPU */
80 #define PDC_PAT_CPU_GET_NUMBER      	3L /* Return CPU Number */
81 #define PDC_PAT_CPU_GET_HPA         	4L /* Return CPU HPA */
82 #define PDC_PAT_CPU_STOP            	5L /* Stop   CPU */
83 #define PDC_PAT_CPU_RENDEZVOUS      	6L /* Rendezvous CPU */
84 #define PDC_PAT_CPU_GET_CLOCK_INFO  	7L /* Return CPU Clock info */
85 #define PDC_PAT_CPU_GET_RENDEZVOUS_STATE 8L /* Return Rendezvous State */
86 #define PDC_PAT_CPU_GET_PDC_ENTRYPOINT	11L /* Return PDC Entry point */
87 #define PDC_PAT_CPU_PLUNGE_FABRIC 	128L /* Plunge Fabric */
88 #define PDC_PAT_CPU_UPDATE_CACHE_CLEANSING 129L /* Manipulate Cache
89                                                  * Cleansing Mode */
90 /*  PDC PAT EVENT -- Platform Events */
91 
92 #define PDC_PAT_EVENT              	68L
93 #define PDC_PAT_EVENT_GET_CAPS     	0L /* Get Capabilities */
94 #define PDC_PAT_EVENT_SET_MODE     	1L /* Set Notification Mode */
95 #define PDC_PAT_EVENT_SCAN         	2L /* Scan Event */
96 #define PDC_PAT_EVENT_HANDLE       	3L /* Handle Event */
97 #define PDC_PAT_EVENT_GET_NB_CALL  	4L /* Get Non-Blocking call Args */
98 
99 /*  PDC PAT HPMC -- Cause processor to go into spin loop, and wait
100  *  			for wake up from Monarch Processor.
101  */
102 
103 #define PDC_PAT_HPMC               70L
104 #define PDC_PAT_HPMC_RENDEZ_CPU     0L /* go into spin loop */
105 #define PDC_PAT_HPMC_SET_PARAMS     1L /* Allows OS to specify intr which PDC
106                                         * will use to interrupt OS during
107                                         * machine check rendezvous */
108 
109 /* parameters for PDC_PAT_HPMC_SET_PARAMS: */
110 #define HPMC_SET_PARAMS_INTR 	    1L /* Rendezvous Interrupt */
111 #define HPMC_SET_PARAMS_WAKE 	    2L /* Wake up processor */
112 
113 
114 /*  PDC PAT IO  -- On-line services for I/O modules */
115 
116 #define PDC_PAT_IO                  71L
117 #define PDC_PAT_IO_GET_SLOT_STATUS   	5L /* Get Slot Status Info*/
118 #define PDC_PAT_IO_GET_LOC_FROM_HARDWARE 6L /* Get Physical Location from */
119                                             /* Hardware Path */
120 #define PDC_PAT_IO_GET_HARDWARE_FROM_LOC 7L /* Get Hardware Path from
121                                              * Physical Location */
122 #define PDC_PAT_IO_GET_PCI_CONFIG_FROM_HW 11L /* Get PCI Configuration
123                                                * Address from Hardware Path */
124 #define PDC_PAT_IO_GET_HW_FROM_PCI_CONFIG 12L /* Get Hardware Path
125                                                * from PCI Configuration Address */
126 #define PDC_PAT_IO_READ_HOST_BRIDGE_INFO 13L  /* Read Host Bridge State Info */
127 #define PDC_PAT_IO_CLEAR_HOST_BRIDGE_INFO 14L /* Clear Host Bridge State Info*/
128 #define PDC_PAT_IO_GET_PCI_ROUTING_TABLE_SIZE 15L /* Get PCI INT Routing Table
129                                                    * Size */
130 #define PDC_PAT_IO_GET_PCI_ROUTING_TABLE  16L /* Get PCI INT Routing Table */
131 #define PDC_PAT_IO_GET_HINT_TABLE_SIZE 	17L /* Get Hint Table Size */
132 #define PDC_PAT_IO_GET_HINT_TABLE   	18L /* Get Hint Table */
133 #define PDC_PAT_IO_PCI_CONFIG_READ  	19L /* PCI Config Read */
134 #define PDC_PAT_IO_PCI_CONFIG_WRITE 	20L /* PCI Config Write */
135 #define PDC_PAT_IO_GET_NUM_IO_SLOTS 	21L /* Get Number of I/O Bay Slots in
136                                        		  * Cabinet */
137 #define PDC_PAT_IO_GET_LOC_IO_SLOTS 	22L /* Get Physical Location of I/O */
138                                    		     /* Bay Slots in Cabinet */
139 #define PDC_PAT_IO_BAY_STATUS_INFO  	28L /* Get I/O Bay Slot Status Info */
140 #define PDC_PAT_IO_GET_PROC_VIEW        29L /* Get Processor view of IO address */
141 #define PDC_PAT_IO_PROG_SBA_DIR_RANGE   30L /* Program directed range */
142 
143 
144 /* PDC PAT MEM  -- Manage memory page deallocation */
145 
146 #define PDC_PAT_MEM            72L
147 #define PDC_PAT_MEM_PD_INFO     	0L /* Return PDT info for PD       */
148 #define PDC_PAT_MEM_PD_CLEAR    	1L /* Clear PDT for PD             */
149 #define PDC_PAT_MEM_PD_READ     	2L /* Read PDT entries for PD      */
150 #define PDC_PAT_MEM_PD_RESET    	3L /* Reset clear bit for PD       */
151 #define PDC_PAT_MEM_CELL_INFO   	5L /* Return PDT info For Cell     */
152 #define PDC_PAT_MEM_CELL_CLEAR  	6L /* Clear PDT For Cell           */
153 #define PDC_PAT_MEM_CELL_READ   	7L /* Read PDT entries For Cell    */
154 #define PDC_PAT_MEM_CELL_RESET  	8L /* Reset clear bit For Cell     */
155 #define PDC_PAT_MEM_SETGM		9L /* Set Good Memory value        */
156 #define PDC_PAT_MEM_ADD_PAGE		10L /* ADDs a page to the cell      */
157 #define PDC_PAT_MEM_ADDRESS		11L /* Get Physical Location From   */
158 					    /* Memory Address               */
159 #define PDC_PAT_MEM_GET_TXT_SIZE   	12L /* Get Formatted Text Size   */
160 #define PDC_PAT_MEM_GET_PD_TXT     	13L /* Get PD Formatted Text     */
161 #define PDC_PAT_MEM_GET_CELL_TXT   	14L /* Get Cell Formatted Text   */
162 #define PDC_PAT_MEM_RD_STATE_INFO  	15L /* Read Mem Module State Info*/
163 #define PDC_PAT_MEM_CLR_STATE_INFO 	16L /*Clear Mem Module State Info*/
164 #define PDC_PAT_MEM_CLEAN_RANGE    	128L /*Clean Mem in specific range*/
165 #define PDC_PAT_MEM_GET_TBL_SIZE   	131L /* Get Memory Table Size     */
166 #define PDC_PAT_MEM_GET_TBL        	132L /* Get Memory Table          */
167 
168 
169 /* PDC PAT NVOLATILE  --  Access Non-Volatile Memory */
170 
171 #define PDC_PAT_NVOLATILE	73L
172 #define PDC_PAT_NVOLATILE_READ		0L /* Read Non-Volatile Memory   */
173 #define PDC_PAT_NVOLATILE_WRITE		1L /* Write Non-Volatile Memory  */
174 #define PDC_PAT_NVOLATILE_GET_SIZE	2L /* Return size of NVM         */
175 #define PDC_PAT_NVOLATILE_VERIFY	3L /* Verify contents of NVM     */
176 #define PDC_PAT_NVOLATILE_INIT		4L /* Initialize NVM             */
177 
178 /* PDC PAT PD */
179 #define PDC_PAT_PD		74L         /* Protection Domain Info   */
180 #define PDC_PAT_PD_GET_ADDR_MAP		0L  /* Get Address Map          */
181 #define PDC_PAT_PD_GET_PDC_INTERF_REV	1L  /* Get PDC Interface Revisions */
182 
183 #define PDC_PAT_CAPABILITY_BIT_PDC_SERIALIZE	(1UL << 0)
184 #define PDC_PAT_CAPABILITY_BIT_PDC_POLLING	(1UL << 1)
185 #define PDC_PAT_CAPABILITY_BIT_PDC_NBC		(1UL << 2) /* non-blocking calls */
186 #define PDC_PAT_CAPABILITY_BIT_PDC_UFO		(1UL << 3)
187 #define PDC_PAT_CAPABILITY_BIT_PDC_IODC_32	(1UL << 4)
188 #define PDC_PAT_CAPABILITY_BIT_PDC_IODC_64	(1UL << 5)
189 #define PDC_PAT_CAPABILITY_BIT_PDC_HPMC_RENDEZ	(1UL << 6)
190 #define PDC_PAT_CAPABILITY_BIT_SIMULTANEOUS_PTLB (1UL << 7)
191 
192 /* PDC_PAT_PD_GET_ADDR_MAP entry types */
193 #define PAT_MEMORY_DESCRIPTOR		1
194 
195 /* PDC_PAT_PD_GET_ADDR_MAP memory types */
196 #define PAT_MEMTYPE_MEMORY		0
197 #define PAT_MEMTYPE_FIRMWARE		4
198 
199 /* PDC_PAT_PD_GET_ADDR_MAP memory usage */
200 #define PAT_MEMUSE_GENERAL		0
201 #define PAT_MEMUSE_GI			128
202 #define PAT_MEMUSE_GNI			129
203 
204 /* PDC PAT REGISTER TOC */
205 #define PDC_PAT_REGISTER_TOC	75L
206 #define PDC_PAT_TOC_REGISTER_VECTOR	0L /* Register TOC Vector */
207 #define PDC_PAT_TOC_READ_VECTOR		1L /* Read TOC Vector     */
208 
209 /* PDC PAT SYSTEM_INFO */
210 #define PDC_PAT_SYSTEM_INFO	76L
211 /* PDC_PAT_SYSTEM_INFO uses the same options as PDC_SYSTEM_INFO function. */
212 
213 #ifndef __ASSEMBLY__
214 #include <linux/types.h>
215 
216 #ifdef CONFIG_64BIT
217 #define is_pdc_pat()	(PDC_TYPE_PAT == pdc_type)
218 extern int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num);
219 extern int pdc_pat_get_irt(void *r_addr, unsigned long cell_num);
220 #else	/* ! CONFIG_64BIT */
221 /* No PAT support for 32-bit kernels...sorry */
222 #define is_pdc_pat()	(0)
223 #define pdc_pat_get_irt_size(num_entries, cell_numn)	PDC_BAD_PROC
224 #define pdc_pat_get_irt(r_addr, cell_num)		PDC_BAD_PROC
225 #endif	/* ! CONFIG_64BIT */
226 
227 
228 struct pdc_pat_cell_num {
229 	unsigned long cell_num;
230 	unsigned long cell_loc;
231 };
232 
233 struct pdc_pat_cpu_num {
234 	unsigned long cpu_num;
235 	unsigned long cpu_loc;
236 };
237 
238 struct pdc_pat_mem_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_INFO (return info) */
239 	unsigned int ke;	/* bit 0: memory inside good memory? */
240 	unsigned int current_pdt_entries:16;
241 	unsigned int max_pdt_entries:16;
242 	unsigned long Cs_bitmap;
243 	unsigned long Ic_bitmap;
244 	unsigned long good_mem;
245 	unsigned long first_dbe_loc; /* first location of double bit error */
246 	unsigned long clear_time; /* last PDT clear time (since Jan 1970) */
247 };
248 
249 struct pdc_pat_mem_cell_pdt_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_CELL_INFO */
250 	u64 reserved:32;
251 	u64 cs:1;		/* clear status: cleared since the last call? */
252 	u64 current_pdt_entries:15;
253 	u64 ic:1;		/* interleaving had to be changed ? */
254 	u64 max_pdt_entries:15;
255 	unsigned long good_mem;
256 	unsigned long first_dbe_loc; /* first location of double bit error */
257 	unsigned long clear_time; /* last PDT clear time (since Jan 1970) */
258 };
259 
260 
261 struct pdc_pat_mem_read_pd_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_READ */
262 	unsigned long actual_count_bytes;
263 	unsigned long pdt_entries;
264 };
265 
266 struct pdc_pat_mem_phys_mem_location { /* PDC_PAT_MEM/PDC_PAT_MEM_ADDRESS */
267 	u64 cabinet:8;
268 	u64 ign1:8;
269 	u64 ign2:8;
270 	u64 cell_slot:8;
271 	u64 ign3:8;
272 	u64 dimm_slot:8; /* DIMM slot, e.g. 0x1A, 0x2B, show user hex value! */
273 	u64 ign4:8;
274 	u64 source:4; /* for mem: always 0x07 */
275 	u64 source_detail:4; /* for mem: always 0x04 (SIMM or DIMM) */
276 };
277 
278 struct pdc_pat_pd_addr_map_entry {
279 	unsigned char entry_type;       /* 1 = Memory Descriptor Entry Type */
280 	unsigned char reserve1[5];
281 	unsigned char memory_type;
282 	unsigned char memory_usage;
283 	unsigned long paddr;
284 	unsigned int  pages;            /* Length in 4K pages */
285 	unsigned int  reserve2;
286 	unsigned long cell_map;
287 };
288 
289 /********************************************************************
290 * PDC_PAT_CELL[Return Cell Module] memaddr[0] conf_base_addr
291 * ----------------------------------------------------------
292 * Bit  0 to 51 - conf_base_addr
293 * Bit 52 to 62 - reserved
294 * Bit       63 - endianess bit
295 ********************************************************************/
296 #define PAT_GET_CBA(value) ((value) & 0xfffffffffffff000UL)
297 
298 /********************************************************************
299 * PDC_PAT_CELL[Return Cell Module] memaddr[1] mod_info
300 * ----------------------------------------------------
301 * Bit  0 to  7 - entity type
302 *    0 = central agent,            1 = processor,
303 *    2 = memory controller,        3 = system bus adapter,
304 *    4 = local bus adapter,        5 = processor bus converter,
305 *    6 = crossbar fabric connect,  7 = fabric interconnect,
306 *    8 to 254 reserved,            255 = unknown.
307 * Bit  8 to 15 - DVI
308 * Bit 16 to 23 - IOC functions
309 * Bit 24 to 39 - reserved
310 * Bit 40 to 63 - mod_pages
311 *    number of 4K pages a module occupies starting at conf_base_addr
312 ********************************************************************/
313 #define PAT_GET_ENTITY(value)	(((value) >> 56) & 0xffUL)
314 #define PAT_GET_DVI(value)	(((value) >> 48) & 0xffUL)
315 #define PAT_GET_IOC(value)	(((value) >> 40) & 0xffUL)
316 #define PAT_GET_MOD_PAGES(value) ((value) & 0xffffffUL)
317 
318 
319 /*
320 ** PDC_PAT_CELL_GET_INFO return block
321 */
322 typedef struct pdc_pat_cell_info_rtn_block {
323 	unsigned long pdc_rev;
324 	unsigned long capabilities; /* see PDC_PAT_CAPABILITY_BIT_* */
325 	unsigned long reserved0[2];
326 	unsigned long cell_info;	/* 0x20 */
327 	unsigned long cell_phys_location;
328 	unsigned long cpu_info;
329 	unsigned long cpu_speed;
330 	unsigned long io_chassis_phys_location;
331 	unsigned long cell_io_information;
332 	unsigned long reserved1[2];
333 	unsigned long io_slot_info_size; /* 0x60 */
334 	struct {
335 		unsigned long header, info0, info1;
336 		unsigned long phys_loc, hw_path;
337 	} io_slot[16];
338 	unsigned long cell_mem_size;	/* 0x2e8 */
339 	unsigned long cell_dimm_info_size;
340 	unsigned long dimm_info[16];
341 	unsigned long fabric_info_size;	/* 0x3f8 */
342 	struct {			/* 0x380 */
343 		unsigned long fabric_info_xbc_port;
344 		unsigned long rc_attached_to_xbc;
345 	} xbc[8*4];
346 } pdc_pat_cell_info_rtn_block_t;
347 
348 
349 /* FIXME: mod[508] should really be a union of the various mod components */
350 struct pdc_pat_cell_mod_maddr_block {	/* PDC_PAT_CELL_MODULE */
351 	unsigned long cba;		/* func 0 cfg space address */
352 	unsigned long mod_info;		/* module information */
353 	unsigned long mod_location;	/* physical location of the module */
354 	struct hardware_path mod_path;	/* module path (device path - layers) */
355 	unsigned long mod[508];		/* PAT cell module components */
356 } __attribute__((aligned(8))) ;
357 
358 typedef struct pdc_pat_cell_mod_maddr_block pdc_pat_cell_mod_maddr_block_t;
359 
360 extern int pdc_pat_get_PDC_entrypoint(unsigned long *pdc_entry);
361 extern int pdc_pat_chassis_send_log(unsigned long status, unsigned long data);
362 extern int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info);
363 extern int pdc_pat_cell_info(struct pdc_pat_cell_info_rtn_block *info,
364 		unsigned long *actcnt, unsigned long offset,
365 		unsigned long cell_number);
366 extern int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc,
367 		unsigned long mod, unsigned long view_type, void *mem_addr);
368 extern int pdc_pat_cell_num_to_loc(void *, unsigned long);
369 
370 extern int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, unsigned long hpa);
371 
372 extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
373 		unsigned long count, unsigned long offset);
374 extern int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev,
375 		unsigned long *pat_rev, unsigned long *pdc_cap);
376 
377 extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val);
378 extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val);
379 
380 extern int pdc_pat_mem_pdt_info(struct pdc_pat_mem_retinfo *rinfo);
381 extern int pdc_pat_mem_pdt_cell_info(struct pdc_pat_mem_cell_pdt_retinfo *rinfo,
382 		unsigned long cell);
383 extern int pdc_pat_mem_read_cell_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
384 		unsigned long *pdt_entries_ptr, unsigned long max_entries);
385 extern int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
386 		unsigned long *pdt_entries_ptr, unsigned long count,
387 		unsigned long offset);
388 extern int pdc_pat_mem_get_dimm_phys_location(
389                 struct pdc_pat_mem_phys_mem_location *pret,
390                 unsigned long phys_addr);
391 
392 #endif /* __ASSEMBLY__ */
393 
394 #endif /* ! __PARISC_PATPDC_H */
395