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1 | #ifndef __SPARC_OPENPROM_H |
2 | #define __SPARC_OPENPROM_H | |
3 | ||
4 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | |
5 | * prom routines and data areas. | |
6 | * | |
7 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
8 | */ | |
9 | ||
1da177e4 LT |
10 | |
11 | /* Empirical constants... */ | |
12 | #ifdef CONFIG_SUN3 | |
13 | #define KADB_DEBUGGER_BEGVM 0x0fee0000 /* There is no kadb yet but...*/ | |
14 | #define LINUX_OPPROM_BEGVM 0x0fef0000 | |
15 | #define LINUX_OPPROM_ENDVM 0x0ff10000 /* I think this is right - tm */ | |
16 | #else | |
17 | #define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */ | |
18 | #define LINUX_OPPROM_BEGVM 0xffd00000 | |
19 | #define LINUX_OPPROM_ENDVM 0xfff00000 | |
20 | #define LINUX_OPPROM_MAGIC 0x10010407 | |
21 | #endif | |
22 | ||
23 | #ifndef __ASSEMBLY__ | |
24 | /* V0 prom device operations. */ | |
25 | struct linux_dev_v0_funcs { | |
26 | int (*v0_devopen)(char *device_str); | |
27 | int (*v0_devclose)(int dev_desc); | |
28 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
29 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
30 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | |
31 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | |
32 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
33 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
34 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | |
35 | }; | |
36 | ||
37 | /* V2 and later prom device operations. */ | |
38 | struct linux_dev_v2_funcs { | |
39 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | |
40 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | |
41 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | |
42 | ||
43 | /* To map devices into virtual I/O space. */ | |
44 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | |
45 | void (*v2_dumb_munmap)(char *virta, unsigned size); | |
46 | ||
47 | int (*v2_dev_open)(char *devpath); | |
48 | void (*v2_dev_close)(int d); | |
49 | int (*v2_dev_read)(int d, char *buf, int nbytes); | |
50 | int (*v2_dev_write)(int d, char *buf, int nbytes); | |
51 | int (*v2_dev_seek)(int d, int hi, int lo); | |
52 | ||
53 | /* Never issued (multistage load support) */ | |
54 | void (*v2_wheee2)(void); | |
55 | void (*v2_wheee3)(void); | |
56 | }; | |
57 | ||
58 | struct linux_mlist_v0 { | |
59 | struct linux_mlist_v0 *theres_more; | |
60 | char *start_adr; | |
61 | unsigned num_bytes; | |
62 | }; | |
63 | ||
64 | struct linux_mem_v0 { | |
65 | struct linux_mlist_v0 **v0_totphys; | |
66 | struct linux_mlist_v0 **v0_prommap; | |
67 | struct linux_mlist_v0 **v0_available; /* What we can use */ | |
68 | }; | |
69 | ||
70 | /* Arguments sent to the kernel from the boot prompt. */ | |
71 | struct linux_arguments_v0 { | |
72 | char *argv[8]; | |
73 | char args[100]; | |
74 | char boot_dev[2]; | |
75 | int boot_dev_ctrl; | |
76 | int boot_dev_unit; | |
77 | int dev_partition; | |
78 | char *kernel_file_name; | |
79 | void *aieee1; /* XXX */ | |
80 | }; | |
81 | ||
82 | /* V2 and up boot things. */ | |
83 | struct linux_bootargs_v2 { | |
84 | char **bootpath; | |
85 | char **bootargs; | |
86 | int *fd_stdin; | |
87 | int *fd_stdout; | |
88 | }; | |
89 | ||
90 | #if defined(CONFIG_SUN3) || defined(CONFIG_SUN3X) | |
91 | struct linux_romvec { | |
92 | char *pv_initsp; | |
93 | int (*pv_startmon)(void); | |
94 | ||
95 | int *diagberr; | |
96 | ||
97 | struct linux_arguments_v0 **pv_v0bootargs; | |
98 | unsigned *pv_sun3mem; | |
99 | ||
100 | unsigned char (*pv_getchar)(void); | |
101 | int (*pv_putchar)(int ch); | |
102 | int (*pv_nbgetchar)(void); | |
103 | int (*pv_nbputchar)(int ch); | |
104 | unsigned char *pv_echo; | |
105 | unsigned char *pv_insource; | |
106 | unsigned char *pv_outsink; | |
107 | ||
108 | int (*pv_getkey)(void); | |
109 | int (*pv_initgetkey)(void); | |
110 | unsigned int *pv_translation; | |
111 | unsigned char *pv_keybid; | |
112 | int *pv_screen_x; | |
113 | int *pv_screen_y; | |
114 | struct keybuf *pv_keybuf; | |
115 | ||
116 | char *pv_monid; | |
117 | ||
118 | /* | |
119 | * Frame buffer output and terminal emulation | |
120 | */ | |
121 | ||
122 | int (*pv_fbwritechar)(char); | |
123 | int *pv_fbaddr; | |
124 | char **pv_font; | |
125 | int (*pv_fbwritestr)(char); | |
126 | ||
127 | void (*pv_reboot)(char *bootstr); | |
128 | ||
129 | /* | |
130 | * Line input and parsing | |
131 | */ | |
132 | ||
133 | unsigned char *pv_linebuf; | |
134 | unsigned char **pv_lineptr; | |
135 | int *pv_linesize; | |
136 | int (*pv_getline)(void); | |
137 | unsigned char (*pv_getnextchar)(void); | |
138 | unsigned char (*pv_peeknextchar)(void); | |
139 | int *pv_fbthere; | |
140 | int (*pv_getnum)(void); | |
141 | ||
142 | void (*pv_printf)(const char *fmt, ...); | |
143 | int (*pv_printhex)(void); | |
144 | ||
145 | unsigned char *pv_leds; | |
146 | int (*pv_setleds)(void); | |
147 | ||
148 | /* | |
149 | * Non-maskable interrupt (nmi) information | |
150 | */ | |
151 | ||
152 | int (*pv_nmiaddr)(void); | |
153 | int (*pv_abortentry)(void); | |
154 | int *pv_nmiclock; | |
155 | ||
156 | int *pv_fbtype; | |
157 | ||
158 | /* | |
159 | * Assorted other things | |
160 | */ | |
161 | ||
162 | unsigned pv_romvers; | |
163 | struct globram *pv_globram; | |
164 | char *pv_kbdzscc; | |
165 | ||
166 | int *pv_keyrinit; | |
167 | unsigned char *pv_keyrtick; | |
168 | unsigned *pv_memoryavail; | |
169 | long *pv_resetaddr; | |
170 | long *pv_resetmap; | |
171 | ||
172 | void (*pv_halt)(void); | |
173 | unsigned char *pv_memorybitmap; | |
174 | ||
175 | #ifdef CONFIG_SUN3 | |
176 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | |
177 | void (*pv_vector_cmd)(void); | |
178 | int dummy1z; | |
179 | int dummy2z; | |
180 | int dummy3z; | |
181 | int dummy4z; | |
182 | #endif | |
183 | }; | |
184 | #else | |
185 | /* The top level PROM vector. */ | |
186 | struct linux_romvec { | |
187 | /* Version numbers. */ | |
188 | unsigned int pv_magic_cookie; | |
189 | unsigned int pv_romvers; | |
190 | unsigned int pv_plugin_revision; | |
191 | unsigned int pv_printrev; | |
192 | ||
193 | /* Version 0 memory descriptors. */ | |
194 | struct linux_mem_v0 pv_v0mem; | |
195 | ||
196 | /* Node operations. */ | |
197 | struct linux_nodeops *pv_nodeops; | |
198 | ||
199 | char **pv_bootstr; | |
200 | struct linux_dev_v0_funcs pv_v0devops; | |
201 | ||
202 | char *pv_stdin; | |
203 | char *pv_stdout; | |
204 | #define PROMDEV_KBD 0 /* input from keyboard */ | |
205 | #define PROMDEV_SCREEN 0 /* output to screen */ | |
206 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | |
207 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | |
208 | ||
209 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | |
210 | int (*pv_getchar)(void); | |
211 | void (*pv_putchar)(int ch); | |
212 | ||
213 | /* Non-blocking variants. */ | |
214 | int (*pv_nbgetchar)(void); | |
215 | int (*pv_nbputchar)(int ch); | |
216 | ||
217 | void (*pv_putstr)(char *str, int len); | |
218 | ||
219 | /* Miscellany. */ | |
220 | void (*pv_reboot)(char *bootstr); | |
221 | void (*pv_printf)(__const__ char *fmt, ...); | |
222 | void (*pv_abort)(void); | |
223 | __volatile__ int *pv_ticks; | |
224 | void (*pv_halt)(void); | |
225 | void (**pv_synchook)(void); | |
226 | ||
227 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | |
228 | union { | |
229 | void (*v0_eval)(int len, char *str); | |
230 | void (*v2_eval)(char *str); | |
231 | } pv_fortheval; | |
232 | ||
233 | struct linux_arguments_v0 **pv_v0bootargs; | |
234 | ||
235 | /* Get ether address. */ | |
236 | unsigned int (*pv_enaddr)(int d, char *enaddr); | |
237 | ||
238 | struct linux_bootargs_v2 pv_v2bootargs; | |
239 | struct linux_dev_v2_funcs pv_v2devops; | |
240 | ||
241 | int filler[15]; | |
242 | ||
243 | /* This one is sun4c/sun4 only. */ | |
244 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | |
245 | ||
246 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | |
247 | * No joke. Calling these when there is only one cpu probably | |
248 | * crashes the machine, have to test this. :-) | |
249 | */ | |
250 | ||
251 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | |
252 | * 'thiscontext' executing at address 'prog_counter' | |
253 | */ | |
254 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | |
255 | int thiscontext, char *prog_counter); | |
256 | ||
257 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | |
258 | * until a resume cpu call is made. | |
259 | */ | |
260 | int (*v3_cpustop)(unsigned int whichcpu); | |
261 | ||
262 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | |
263 | * resume cpu call is made. | |
264 | */ | |
265 | int (*v3_cpuidle)(unsigned int whichcpu); | |
266 | ||
267 | /* v3_cpuresume() will resume processor 'whichcpu' executing | |
268 | * starting with whatever 'pc' and 'npc' were left at the | |
269 | * last 'idle' or 'stop' call. | |
270 | */ | |
271 | int (*v3_cpuresume)(unsigned int whichcpu); | |
272 | }; | |
273 | #endif | |
274 | ||
275 | /* Routines for traversing the prom device tree. */ | |
276 | struct linux_nodeops { | |
277 | int (*no_nextnode)(int node); | |
278 | int (*no_child)(int node); | |
279 | int (*no_proplen)(int node, char *name); | |
280 | int (*no_getprop)(int node, char *name, char *val); | |
281 | int (*no_setprop)(int node, char *name, char *val, int len); | |
282 | char * (*no_nextprop)(int node, char *name); | |
283 | }; | |
284 | ||
285 | /* More fun PROM structures for device probing. */ | |
286 | #define PROMREG_MAX 16 | |
287 | #define PROMVADDR_MAX 16 | |
288 | #define PROMINTR_MAX 15 | |
289 | ||
290 | struct linux_prom_registers { | |
291 | int which_io; /* is this in OBIO space? */ | |
292 | char *phys_addr; /* The physical address of this register */ | |
293 | int reg_size; /* How many bytes does this register take up? */ | |
294 | }; | |
295 | ||
296 | struct linux_prom_irqs { | |
297 | int pri; /* IRQ priority */ | |
298 | int vector; /* This is foobar, what does it do? */ | |
299 | }; | |
300 | ||
301 | /* Element of the "ranges" vector */ | |
302 | struct linux_prom_ranges { | |
303 | unsigned int ot_child_space; | |
304 | unsigned int ot_child_base; /* Bus feels this */ | |
305 | unsigned int ot_parent_space; | |
306 | unsigned int ot_parent_base; /* CPU looks from here */ | |
307 | unsigned int or_size; | |
308 | }; | |
309 | ||
310 | #endif /* !(__ASSEMBLY__) */ | |
311 | ||
312 | #endif /* !(__SPARC_OPENPROM_H) */ |