xref: /openbmc/linux/arch/parisc/include/asm/pdcpat.h (revision 5d0e4d78)
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 CPU  -- CPU configuration within the protection domain */
71 
72 #define PDC_PAT_CPU                	67L
73 #define PDC_PAT_CPU_INFO            	0L /* Return CPU config info */
74 #define PDC_PAT_CPU_DELETE          	1L /* Delete CPU */
75 #define PDC_PAT_CPU_ADD             	2L /* Add    CPU */
76 #define PDC_PAT_CPU_GET_NUMBER      	3L /* Return CPU Number */
77 #define PDC_PAT_CPU_GET_HPA         	4L /* Return CPU HPA */
78 #define PDC_PAT_CPU_STOP            	5L /* Stop   CPU */
79 #define PDC_PAT_CPU_RENDEZVOUS      	6L /* Rendezvous CPU */
80 #define PDC_PAT_CPU_GET_CLOCK_INFO  	7L /* Return CPU Clock info */
81 #define PDC_PAT_CPU_GET_RENDEZVOUS_STATE 8L /* Return Rendezvous State */
82 #define PDC_PAT_CPU_PLUNGE_FABRIC 	128L /* Plunge Fabric */
83 #define PDC_PAT_CPU_UPDATE_CACHE_CLEANSING 129L /* Manipulate Cache
84                                                  * Cleansing Mode */
85 /*  PDC PAT EVENT -- Platform Events */
86 
87 #define PDC_PAT_EVENT              	68L
88 #define PDC_PAT_EVENT_GET_CAPS     	0L /* Get Capabilities */
89 #define PDC_PAT_EVENT_SET_MODE     	1L /* Set Notification Mode */
90 #define PDC_PAT_EVENT_SCAN         	2L /* Scan Event */
91 #define PDC_PAT_EVENT_HANDLE       	3L /* Handle Event */
92 #define PDC_PAT_EVENT_GET_NB_CALL  	4L /* Get Non-Blocking call Args */
93 
94 /*  PDC PAT HPMC -- Cause processor to go into spin loop, and wait
95  *  			for wake up from Monarch Processor.
96  */
97 
98 #define PDC_PAT_HPMC               70L
99 #define PDC_PAT_HPMC_RENDEZ_CPU     0L /* go into spin loop */
100 #define PDC_PAT_HPMC_SET_PARAMS     1L /* Allows OS to specify intr which PDC
101                                         * will use to interrupt OS during
102                                         * machine check rendezvous */
103 
104 /* parameters for PDC_PAT_HPMC_SET_PARAMS: */
105 #define HPMC_SET_PARAMS_INTR 	    1L /* Rendezvous Interrupt */
106 #define HPMC_SET_PARAMS_WAKE 	    2L /* Wake up processor */
107 
108 
109 /*  PDC PAT IO  -- On-line services for I/O modules */
110 
111 #define PDC_PAT_IO                  71L
112 #define PDC_PAT_IO_GET_SLOT_STATUS   	5L /* Get Slot Status Info*/
113 #define PDC_PAT_IO_GET_LOC_FROM_HARDWARE 6L /* Get Physical Location from */
114                                             /* Hardware Path */
115 #define PDC_PAT_IO_GET_HARDWARE_FROM_LOC 7L /* Get Hardware Path from
116                                              * Physical Location */
117 #define PDC_PAT_IO_GET_PCI_CONFIG_FROM_HW 11L /* Get PCI Configuration
118                                                * Address from Hardware Path */
119 #define PDC_PAT_IO_GET_HW_FROM_PCI_CONFIG 12L /* Get Hardware Path
120                                                * from PCI Configuration Address */
121 #define PDC_PAT_IO_READ_HOST_BRIDGE_INFO 13L  /* Read Host Bridge State Info */
122 #define PDC_PAT_IO_CLEAR_HOST_BRIDGE_INFO 14L /* Clear Host Bridge State Info*/
123 #define PDC_PAT_IO_GET_PCI_ROUTING_TABLE_SIZE 15L /* Get PCI INT Routing Table
124                                                    * Size */
125 #define PDC_PAT_IO_GET_PCI_ROUTING_TABLE  16L /* Get PCI INT Routing Table */
126 #define PDC_PAT_IO_GET_HINT_TABLE_SIZE 	17L /* Get Hint Table Size */
127 #define PDC_PAT_IO_GET_HINT_TABLE   	18L /* Get Hint Table */
128 #define PDC_PAT_IO_PCI_CONFIG_READ  	19L /* PCI Config Read */
129 #define PDC_PAT_IO_PCI_CONFIG_WRITE 	20L /* PCI Config Write */
130 #define PDC_PAT_IO_GET_NUM_IO_SLOTS 	21L /* Get Number of I/O Bay Slots in
131                                        		  * Cabinet */
132 #define PDC_PAT_IO_GET_LOC_IO_SLOTS 	22L /* Get Physical Location of I/O */
133                                    		     /* Bay Slots in Cabinet */
134 #define PDC_PAT_IO_BAY_STATUS_INFO  	28L /* Get I/O Bay Slot Status Info */
135 #define PDC_PAT_IO_GET_PROC_VIEW        29L /* Get Processor view of IO address */
136 #define PDC_PAT_IO_PROG_SBA_DIR_RANGE   30L /* Program directed range */
137 
138 
139 /* PDC PAT MEM  -- Manage memory page deallocation */
140 
141 #define PDC_PAT_MEM            72L
142 #define PDC_PAT_MEM_PD_INFO     	0L /* Return PDT info for PD       */
143 #define PDC_PAT_MEM_PD_CLEAR    	1L /* Clear PDT for PD             */
144 #define PDC_PAT_MEM_PD_READ     	2L /* Read PDT entries for PD      */
145 #define PDC_PAT_MEM_PD_RESET    	3L /* Reset clear bit for PD       */
146 #define PDC_PAT_MEM_CELL_INFO   	5L /* Return PDT info For Cell     */
147 #define PDC_PAT_MEM_CELL_CLEAR  	6L /* Clear PDT For Cell           */
148 #define PDC_PAT_MEM_CELL_READ   	7L /* Read PDT entries For Cell    */
149 #define PDC_PAT_MEM_CELL_RESET  	8L /* Reset clear bit For Cell     */
150 #define PDC_PAT_MEM_SETGM		9L /* Set Good Memory value        */
151 #define PDC_PAT_MEM_ADD_PAGE		10L /* ADDs a page to the cell      */
152 #define PDC_PAT_MEM_ADDRESS		11L /* Get Physical Location From   */
153                                     		 /* Memory Address               */
154 #define PDC_PAT_MEM_GET_TXT_SIZE   	12L /* Get Formatted Text Size   */
155 #define PDC_PAT_MEM_GET_PD_TXT     	13L /* Get PD Formatted Text     */
156 #define PDC_PAT_MEM_GET_CELL_TXT   	14L /* Get Cell Formatted Text   */
157 #define PDC_PAT_MEM_RD_STATE_INFO  	15L /* Read Mem Module State Info*/
158 #define PDC_PAT_MEM_CLR_STATE_INFO 	16L /*Clear Mem Module State Info*/
159 #define PDC_PAT_MEM_CLEAN_RANGE    	128L /*Clean Mem in specific range*/
160 #define PDC_PAT_MEM_GET_TBL_SIZE   	131L /* Get Memory Table Size     */
161 #define PDC_PAT_MEM_GET_TBL        	132L /* Get Memory Table          */
162 
163 
164 /* PDC PAT NVOLATILE  --  Access Non-Volatile Memory */
165 
166 #define PDC_PAT_NVOLATILE	73L
167 #define PDC_PAT_NVOLATILE_READ		0L /* Read Non-Volatile Memory   */
168 #define PDC_PAT_NVOLATILE_WRITE		1L /* Write Non-Volatile Memory  */
169 #define PDC_PAT_NVOLATILE_GET_SIZE	2L /* Return size of NVM         */
170 #define PDC_PAT_NVOLATILE_VERIFY	3L /* Verify contents of NVM     */
171 #define PDC_PAT_NVOLATILE_INIT		4L /* Initialize NVM             */
172 
173 /* PDC PAT PD */
174 #define PDC_PAT_PD		74L         /* Protection Domain Info   */
175 #define PDC_PAT_PD_GET_ADDR_MAP		0L  /* Get Address Map          */
176 
177 /* PDC_PAT_PD_GET_ADDR_MAP entry types */
178 #define PAT_MEMORY_DESCRIPTOR		1
179 
180 /* PDC_PAT_PD_GET_ADDR_MAP memory types */
181 #define PAT_MEMTYPE_MEMORY		0
182 #define PAT_MEMTYPE_FIRMWARE		4
183 
184 /* PDC_PAT_PD_GET_ADDR_MAP memory usage */
185 #define PAT_MEMUSE_GENERAL		0
186 #define PAT_MEMUSE_GI			128
187 #define PAT_MEMUSE_GNI			129
188 
189 
190 #ifndef __ASSEMBLY__
191 #include <linux/types.h>
192 
193 #ifdef CONFIG_64BIT
194 #define is_pdc_pat()	(PDC_TYPE_PAT == pdc_type)
195 extern int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num);
196 extern int pdc_pat_get_irt(void *r_addr, unsigned long cell_num);
197 #else	/* ! CONFIG_64BIT */
198 /* No PAT support for 32-bit kernels...sorry */
199 #define is_pdc_pat()	(0)
200 #define pdc_pat_get_irt_size(num_entries, cell_numn)	PDC_BAD_PROC
201 #define pdc_pat_get_irt(r_addr, cell_num)		PDC_BAD_PROC
202 #endif	/* ! CONFIG_64BIT */
203 
204 
205 struct pdc_pat_cell_num {
206 	unsigned long cell_num;
207 	unsigned long cell_loc;
208 };
209 
210 struct pdc_pat_cpu_num {
211 	unsigned long cpu_num;
212 	unsigned long cpu_loc;
213 };
214 
215 struct pdc_pat_mem_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_INFO (return info) */
216 	unsigned int ke;	/* bit 0: memory inside good memory? */
217 	unsigned int current_pdt_entries:16;
218 	unsigned int max_pdt_entries:16;
219 	unsigned long Cs_bitmap;
220 	unsigned long Ic_bitmap;
221 	unsigned long good_mem;
222 	unsigned long first_dbe_loc; /* first location of double bit error */
223 	unsigned long clear_time; /* last PDT clear time (since Jan 1970) */
224 };
225 
226 struct pdc_pat_mem_read_pd_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_READ */
227 	unsigned long actual_count_bytes;
228 	unsigned long pdt_entries;
229 };
230 
231 
232 struct pdc_pat_pd_addr_map_entry {
233 	unsigned char entry_type;       /* 1 = Memory Descriptor Entry Type */
234 	unsigned char reserve1[5];
235 	unsigned char memory_type;
236 	unsigned char memory_usage;
237 	unsigned long paddr;
238 	unsigned int  pages;            /* Length in 4K pages */
239 	unsigned int  reserve2;
240 	unsigned long cell_map;
241 };
242 
243 /********************************************************************
244 * PDC_PAT_CELL[Return Cell Module] memaddr[0] conf_base_addr
245 * ----------------------------------------------------------
246 * Bit  0 to 51 - conf_base_addr
247 * Bit 52 to 62 - reserved
248 * Bit       63 - endianess bit
249 ********************************************************************/
250 #define PAT_GET_CBA(value) ((value) & 0xfffffffffffff000UL)
251 
252 /********************************************************************
253 * PDC_PAT_CELL[Return Cell Module] memaddr[1] mod_info
254 * ----------------------------------------------------
255 * Bit  0 to  7 - entity type
256 *    0 = central agent,            1 = processor,
257 *    2 = memory controller,        3 = system bus adapter,
258 *    4 = local bus adapter,        5 = processor bus converter,
259 *    6 = crossbar fabric connect,  7 = fabric interconnect,
260 *    8 to 254 reserved,            255 = unknown.
261 * Bit  8 to 15 - DVI
262 * Bit 16 to 23 - IOC functions
263 * Bit 24 to 39 - reserved
264 * Bit 40 to 63 - mod_pages
265 *    number of 4K pages a module occupies starting at conf_base_addr
266 ********************************************************************/
267 #define PAT_GET_ENTITY(value)	(((value) >> 56) & 0xffUL)
268 #define PAT_GET_DVI(value)	(((value) >> 48) & 0xffUL)
269 #define PAT_GET_IOC(value)	(((value) >> 40) & 0xffUL)
270 #define PAT_GET_MOD_PAGES(value) ((value) & 0xffffffUL)
271 
272 
273 /*
274 ** PDC_PAT_CELL_GET_INFO return block
275 */
276 typedef struct pdc_pat_cell_info_rtn_block {
277 	unsigned long cpu_info;
278 	unsigned long cell_info;
279 	unsigned long cell_location;
280 	unsigned long reo_location;
281 	unsigned long mem_size;
282 	unsigned long dimm_status;
283 	unsigned long pdc_rev;
284 	unsigned long fabric_info0;
285 	unsigned long fabric_info1;
286 	unsigned long fabric_info2;
287 	unsigned long fabric_info3;
288 	unsigned long reserved[21];
289 } pdc_pat_cell_info_rtn_block_t;
290 
291 
292 /* FIXME: mod[508] should really be a union of the various mod components */
293 struct pdc_pat_cell_mod_maddr_block {	/* PDC_PAT_CELL_MODULE */
294 	unsigned long cba;		/* func 0 cfg space address */
295 	unsigned long mod_info;		/* module information */
296 	unsigned long mod_location;	/* physical location of the module */
297 	struct hardware_path mod_path;	/* module path (device path - layers) */
298 	unsigned long mod[508];		/* PAT cell module components */
299 } __attribute__((aligned(8))) ;
300 
301 typedef struct pdc_pat_cell_mod_maddr_block pdc_pat_cell_mod_maddr_block_t;
302 
303 
304 extern int pdc_pat_chassis_send_log(unsigned long status, unsigned long data);
305 extern int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info);
306 extern int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long mod, unsigned long view_type, void *mem_addr);
307 extern int pdc_pat_cell_num_to_loc(void *, unsigned long);
308 
309 extern int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, unsigned long hpa);
310 
311 extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr, unsigned long count, unsigned long offset);
312 
313 extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val);
314 extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val);
315 
316 extern int pdc_pat_mem_pdt_info(struct pdc_pat_mem_retinfo *rinfo);
317 extern int pdc_pat_mem_read_cell_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
318 		unsigned long *pdt_entries_ptr, unsigned long max_entries);
319 extern int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
320 		unsigned long *pdt_entries_ptr, unsigned long count,
321 		unsigned long offset);
322 
323 #endif /* __ASSEMBLY__ */
324 
325 #endif /* ! __PARISC_PATPDC_H */
326