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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