1 #ifndef _PARISC_PDC_H
2 #define _PARISC_PDC_H
3
4 #include <uapi/asm/pdc.h>
5
6 #if !defined(__ASSEMBLY__)
7
8 extern int pdc_type;
9
10 /* Values for pdc_type */
11 #define PDC_TYPE_ILLEGAL -1
12 #define PDC_TYPE_PAT 0 /* 64-bit PAT-PDC */
13 #define PDC_TYPE_SYSTEM_MAP 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
14 #define PDC_TYPE_SNAKE 2 /* Doesn't support SYSTEM_MAP */
15
16 struct pdc_chassis_info { /* for PDC_CHASSIS_INFO */
17 unsigned long actcnt; /* actual number of bytes returned */
18 unsigned long maxcnt; /* maximum number of bytes that could be returned */
19 };
20
21 struct pdc_coproc_cfg { /* for PDC_COPROC_CFG */
22 unsigned long ccr_functional;
23 unsigned long ccr_present;
24 unsigned long revision;
25 unsigned long model;
26 };
27
28 struct pdc_model { /* for PDC_MODEL */
29 unsigned long hversion;
30 unsigned long sversion;
31 unsigned long hw_id;
32 unsigned long boot_id;
33 unsigned long sw_id;
34 unsigned long sw_cap;
35 unsigned long arch_rev;
36 unsigned long pot_key;
37 unsigned long curr_key;
38 };
39
40 struct pdc_cache_cf { /* for PDC_CACHE (I/D-caches) */
41 unsigned long
42 #ifdef CONFIG_64BIT
43 cc_padW:32,
44 #endif
45 cc_alias: 4, /* alias boundaries for virtual addresses */
46 cc_block: 4, /* to determine most efficient stride */
47 cc_line : 3, /* maximum amount written back as a result of store (multiple of 16 bytes) */
48 cc_shift: 2, /* how much to shift cc_block left */
49 cc_wt : 1, /* 0 = WT-Dcache, 1 = WB-Dcache */
50 cc_sh : 2, /* 0 = separate I/D-cache, else shared I/D-cache */
51 cc_cst : 3, /* 0 = incoherent D-cache, 1=coherent D-cache */
52 cc_pad1 : 10, /* reserved */
53 cc_hv : 3; /* hversion dependent */
54 };
55
56 struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */
57 unsigned long tc_pad0:12, /* reserved */
58 #ifdef CONFIG_64BIT
59 tc_padW:32,
60 #endif
61 tc_sh : 2, /* 0 = separate I/D-TLB, else shared I/D-TLB */
62 tc_hv : 1, /* HV */
63 tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */
64 tc_cst : 3, /* 0 = incoherent operations, else coherent operations */
65 tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */
66 tc_pad1 : 8; /* ITLB: width of space-registers (encoded) */
67 };
68
69 struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */
70 /* I-cache */
71 unsigned long ic_size; /* size in bytes */
72 struct pdc_cache_cf ic_conf; /* configuration */
73 unsigned long ic_base; /* base-addr */
74 unsigned long ic_stride;
75 unsigned long ic_count;
76 unsigned long ic_loop;
77 /* D-cache */
78 unsigned long dc_size; /* size in bytes */
79 struct pdc_cache_cf dc_conf; /* configuration */
80 unsigned long dc_base; /* base-addr */
81 unsigned long dc_stride;
82 unsigned long dc_count;
83 unsigned long dc_loop;
84 /* Instruction-TLB */
85 unsigned long it_size; /* number of entries in I-TLB */
86 struct pdc_tlb_cf it_conf; /* I-TLB-configuration */
87 unsigned long it_sp_base;
88 unsigned long it_sp_stride;
89 unsigned long it_sp_count;
90 unsigned long it_off_base;
91 unsigned long it_off_stride;
92 unsigned long it_off_count;
93 unsigned long it_loop;
94 /* data-TLB */
95 unsigned long dt_size; /* number of entries in D-TLB */
96 struct pdc_tlb_cf dt_conf; /* D-TLB-configuration */
97 unsigned long dt_sp_base;
98 unsigned long dt_sp_stride;
99 unsigned long dt_sp_count;
100 unsigned long dt_off_base;
101 unsigned long dt_off_stride;
102 unsigned long dt_off_count;
103 unsigned long dt_loop;
104 };
105
106 #if 0
107 /* If you start using the next struct, you'll have to adjust it to
108 * work with 64-bit firmware I think -PB
109 */
110 struct pdc_iodc { /* PDC_IODC */
111 unsigned char hversion_model;
112 unsigned char hversion;
113 unsigned char spa;
114 unsigned char type;
115 unsigned int sversion_rev:4;
116 unsigned int sversion_model:19;
117 unsigned int sversion_opt:8;
118 unsigned char rev;
119 unsigned char dep;
120 unsigned char features;
121 unsigned char pad1;
122 unsigned int checksum:16;
123 unsigned int length:16;
124 unsigned int pad[15];
125 } __attribute__((aligned(8))) ;
126 #endif
127
128 #ifndef CONFIG_PA20
129 /* no BLTBs in pa2.0 processors */
130 struct pdc_btlb_info_range {
131 __u8 res00;
132 __u8 num_i;
133 __u8 num_d;
134 __u8 num_comb;
135 };
136
137 struct pdc_btlb_info { /* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */
138 unsigned int min_size; /* minimum size of BTLB in pages */
139 unsigned int max_size; /* maximum size of BTLB in pages */
140 struct pdc_btlb_info_range fixed_range_info;
141 struct pdc_btlb_info_range variable_range_info;
142 };
143
144 #endif /* !CONFIG_PA20 */
145
146 #ifdef CONFIG_64BIT
147 struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
148 unsigned long entries_returned;
149 unsigned long entries_total;
150 };
151
152 struct pdc_memory_table { /* PDC_MEM/PDC_MEM_TABLE (arguments) */
153 unsigned long paddr;
154 unsigned int pages;
155 unsigned int reserved;
156 };
157 #endif /* CONFIG_64BIT */
158
159 struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */
160 unsigned long mod_addr;
161 unsigned long mod_pgs;
162 unsigned long add_addrs;
163 };
164
165 struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
166 unsigned long mod_addr;
167 unsigned long mod_pgs;
168 };
169
170 struct pdc_initiator { /* PDC_INITIATOR */
171 int host_id;
172 int factor;
173 int width;
174 int mode;
175 };
176
177 struct hardware_path {
178 char flags; /* see bit definitions below */
179 char bc[6]; /* Bus Converter routing info to a specific */
180 /* I/O adaptor (< 0 means none, > 63 resvd) */
181 char mod; /* fixed field of specified module */
182 };
183
184 /*
185 * Device path specifications used by PDC.
186 */
187 struct pdc_module_path {
188 struct hardware_path path;
189 unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
190 };
191
192 #ifndef CONFIG_PA20
193 /* Only used on some pre-PA2.0 boxes */
194 struct pdc_memory_map { /* PDC_MEMORY_MAP */
195 unsigned long hpa; /* mod's register set address */
196 unsigned long more_pgs; /* number of additional I/O pgs */
197 };
198 #endif
199
200 struct pdc_tod {
201 unsigned long tod_sec;
202 unsigned long tod_usec;
203 };
204
205 /* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */
206
207 struct pdc_hpmc_pim_11 { /* PDC_PIM */
208 __u32 gr[32];
209 __u32 cr[32];
210 __u32 sr[8];
211 __u32 iasq_back;
212 __u32 iaoq_back;
213 __u32 check_type;
214 __u32 cpu_state;
215 __u32 rsvd1;
216 __u32 cache_check;
217 __u32 tlb_check;
218 __u32 bus_check;
219 __u32 assists_check;
220 __u32 rsvd2;
221 __u32 assist_state;
222 __u32 responder_addr;
223 __u32 requestor_addr;
224 __u32 path_info;
225 __u64 fr[32];
226 };
227
228 /*
229 * architected results from PDC_PIM/transfer hpmc on a PA2.0 machine
230 *
231 * Note that PDC_PIM doesn't care whether or not wide mode was enabled
232 * so the results are different on PA1.1 vs. PA2.0 when in narrow mode.
233 *
234 * Note also that there are unarchitected results available, which
235 * are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since
236 * the firmware is probably the best way of printing hversion dependent
237 * data.
238 */
239
240 struct pdc_hpmc_pim_20 { /* PDC_PIM */
241 __u64 gr[32];
242 __u64 cr[32];
243 __u64 sr[8];
244 __u64 iasq_back;
245 __u64 iaoq_back;
246 __u32 check_type;
247 __u32 cpu_state;
248 __u32 cache_check;
249 __u32 tlb_check;
250 __u32 bus_check;
251 __u32 assists_check;
252 __u32 assist_state;
253 __u32 path_info;
254 __u64 responder_addr;
255 __u64 requestor_addr;
256 __u64 fr[32];
257 };
258
259 void pdc_console_init(void); /* in pdc_console.c */
260 void pdc_console_restart(void);
261
262 void setup_pdc(void); /* in inventory.c */
263
264 /* wrapper-functions from pdc.c */
265
266 int pdc_add_valid(unsigned long address);
267 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
268 int pdc_chassis_disp(unsigned long disp);
269 int pdc_chassis_warn(unsigned long *warn);
270 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
271 int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
272 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
273 void *iodc_data, unsigned int iodc_data_size);
274 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
275 struct pdc_module_path *mod_path, long mod_index);
276 int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
277 long mod_index, long addr_index);
278 int pdc_model_info(struct pdc_model *model);
279 int pdc_model_sysmodel(char *name);
280 int pdc_model_cpuid(unsigned long *cpu_id);
281 int pdc_model_versions(unsigned long *versions, int id);
282 int pdc_model_capabilities(unsigned long *capabilities);
283 int pdc_cache_info(struct pdc_cache_info *cache);
284 int pdc_spaceid_bits(unsigned long *space_bits);
285 #ifndef CONFIG_PA20
286 int pdc_btlb_info(struct pdc_btlb_info *btlb);
287 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
288 #endif /* !CONFIG_PA20 */
289 int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
290
291 int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
292 int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
293 int pdc_stable_get_size(unsigned long *size);
294 int pdc_stable_verify_contents(void);
295 int pdc_stable_initialize(void);
296
297 int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
298 int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
299
300 int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
301 int pdc_tod_read(struct pdc_tod *tod);
302 int pdc_tod_set(unsigned long sec, unsigned long usec);
303
304 #ifdef CONFIG_64BIT
305 int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
306 struct pdc_memory_table *tbl, unsigned long entries);
307 #endif
308
309 void set_firmware_width(void);
310 void set_firmware_width_unlocked(void);
311 int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
312 int pdc_do_reset(void);
313 int pdc_soft_power_info(unsigned long *power_reg);
314 int pdc_soft_power_button(int sw_control);
315 void pdc_io_reset(void);
316 void pdc_io_reset_devices(void);
317 int pdc_iodc_getc(void);
318 int pdc_iodc_print(const unsigned char *str, unsigned count);
319
320 void pdc_emergency_unlock(void);
321 int pdc_sti_call(unsigned long func, unsigned long flags,
322 unsigned long inptr, unsigned long outputr,
323 unsigned long glob_cfg);
324
os_id_to_string(u16 os_id)325 static inline char * os_id_to_string(u16 os_id) {
326 switch(os_id) {
327 case OS_ID_NONE: return "No OS";
328 case OS_ID_HPUX: return "HP-UX";
329 case OS_ID_MPEXL: return "MPE-iX";
330 case OS_ID_OSF: return "OSF";
331 case OS_ID_HPRT: return "HP-RT";
332 case OS_ID_NOVEL: return "Novell Netware";
333 case OS_ID_LINUX: return "Linux";
334 default: return "Unknown";
335 }
336 }
337
338 #endif /* !defined(__ASSEMBLY__) */
339 #endif /* _PARISC_PDC_H */
340