Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* $Id: openprom.h,v 1.19 1996/09/25 03:51:08 davem Exp $ */ |
2 | #ifndef __SPARC_OPENPROM_H | |
3 | #define __SPARC_OPENPROM_H | |
4 | ||
5 | /* openprom.h: Prom structures and defines for access to the OPENBOOT | |
6 | * prom routines and data areas. | |
7 | * | |
8 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
9 | */ | |
10 | ||
1da177e4 LT |
11 | |
12 | /* Empirical constants... */ | |
13 | #ifdef CONFIG_SUN3 | |
14 | #define KADB_DEBUGGER_BEGVM 0x0fee0000 /* There is no kadb yet but...*/ | |
15 | #define LINUX_OPPROM_BEGVM 0x0fef0000 | |
16 | #define LINUX_OPPROM_ENDVM 0x0ff10000 /* I think this is right - tm */ | |
17 | #else | |
18 | #define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */ | |
19 | #define LINUX_OPPROM_BEGVM 0xffd00000 | |
20 | #define LINUX_OPPROM_ENDVM 0xfff00000 | |
21 | #define LINUX_OPPROM_MAGIC 0x10010407 | |
22 | #endif | |
23 | ||
24 | #ifndef __ASSEMBLY__ | |
25 | /* V0 prom device operations. */ | |
26 | struct linux_dev_v0_funcs { | |
27 | int (*v0_devopen)(char *device_str); | |
28 | int (*v0_devclose)(int dev_desc); | |
29 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
30 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
31 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | |
32 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | |
33 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
34 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
35 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | |
36 | }; | |
37 | ||
38 | /* V2 and later prom device operations. */ | |
39 | struct linux_dev_v2_funcs { | |
40 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | |
41 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | |
42 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | |
43 | ||
44 | /* To map devices into virtual I/O space. */ | |
45 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | |
46 | void (*v2_dumb_munmap)(char *virta, unsigned size); | |
47 | ||
48 | int (*v2_dev_open)(char *devpath); | |
49 | void (*v2_dev_close)(int d); | |
50 | int (*v2_dev_read)(int d, char *buf, int nbytes); | |
51 | int (*v2_dev_write)(int d, char *buf, int nbytes); | |
52 | int (*v2_dev_seek)(int d, int hi, int lo); | |
53 | ||
54 | /* Never issued (multistage load support) */ | |
55 | void (*v2_wheee2)(void); | |
56 | void (*v2_wheee3)(void); | |
57 | }; | |
58 | ||
59 | struct linux_mlist_v0 { | |
60 | struct linux_mlist_v0 *theres_more; | |
61 | char *start_adr; | |
62 | unsigned num_bytes; | |
63 | }; | |
64 | ||
65 | struct linux_mem_v0 { | |
66 | struct linux_mlist_v0 **v0_totphys; | |
67 | struct linux_mlist_v0 **v0_prommap; | |
68 | struct linux_mlist_v0 **v0_available; /* What we can use */ | |
69 | }; | |
70 | ||
71 | /* Arguments sent to the kernel from the boot prompt. */ | |
72 | struct linux_arguments_v0 { | |
73 | char *argv[8]; | |
74 | char args[100]; | |
75 | char boot_dev[2]; | |
76 | int boot_dev_ctrl; | |
77 | int boot_dev_unit; | |
78 | int dev_partition; | |
79 | char *kernel_file_name; | |
80 | void *aieee1; /* XXX */ | |
81 | }; | |
82 | ||
83 | /* V2 and up boot things. */ | |
84 | struct linux_bootargs_v2 { | |
85 | char **bootpath; | |
86 | char **bootargs; | |
87 | int *fd_stdin; | |
88 | int *fd_stdout; | |
89 | }; | |
90 | ||
91 | #if defined(CONFIG_SUN3) || defined(CONFIG_SUN3X) | |
92 | struct linux_romvec { | |
93 | char *pv_initsp; | |
94 | int (*pv_startmon)(void); | |
95 | ||
96 | int *diagberr; | |
97 | ||
98 | struct linux_arguments_v0 **pv_v0bootargs; | |
99 | unsigned *pv_sun3mem; | |
100 | ||
101 | unsigned char (*pv_getchar)(void); | |
102 | int (*pv_putchar)(int ch); | |
103 | int (*pv_nbgetchar)(void); | |
104 | int (*pv_nbputchar)(int ch); | |
105 | unsigned char *pv_echo; | |
106 | unsigned char *pv_insource; | |
107 | unsigned char *pv_outsink; | |
108 | ||
109 | int (*pv_getkey)(void); | |
110 | int (*pv_initgetkey)(void); | |
111 | unsigned int *pv_translation; | |
112 | unsigned char *pv_keybid; | |
113 | int *pv_screen_x; | |
114 | int *pv_screen_y; | |
115 | struct keybuf *pv_keybuf; | |
116 | ||
117 | char *pv_monid; | |
118 | ||
119 | /* | |
120 | * Frame buffer output and terminal emulation | |
121 | */ | |
122 | ||
123 | int (*pv_fbwritechar)(char); | |
124 | int *pv_fbaddr; | |
125 | char **pv_font; | |
126 | int (*pv_fbwritestr)(char); | |
127 | ||
128 | void (*pv_reboot)(char *bootstr); | |
129 | ||
130 | /* | |
131 | * Line input and parsing | |
132 | */ | |
133 | ||
134 | unsigned char *pv_linebuf; | |
135 | unsigned char **pv_lineptr; | |
136 | int *pv_linesize; | |
137 | int (*pv_getline)(void); | |
138 | unsigned char (*pv_getnextchar)(void); | |
139 | unsigned char (*pv_peeknextchar)(void); | |
140 | int *pv_fbthere; | |
141 | int (*pv_getnum)(void); | |
142 | ||
143 | void (*pv_printf)(const char *fmt, ...); | |
144 | int (*pv_printhex)(void); | |
145 | ||
146 | unsigned char *pv_leds; | |
147 | int (*pv_setleds)(void); | |
148 | ||
149 | /* | |
150 | * Non-maskable interrupt (nmi) information | |
151 | */ | |
152 | ||
153 | int (*pv_nmiaddr)(void); | |
154 | int (*pv_abortentry)(void); | |
155 | int *pv_nmiclock; | |
156 | ||
157 | int *pv_fbtype; | |
158 | ||
159 | /* | |
160 | * Assorted other things | |
161 | */ | |
162 | ||
163 | unsigned pv_romvers; | |
164 | struct globram *pv_globram; | |
165 | char *pv_kbdzscc; | |
166 | ||
167 | int *pv_keyrinit; | |
168 | unsigned char *pv_keyrtick; | |
169 | unsigned *pv_memoryavail; | |
170 | long *pv_resetaddr; | |
171 | long *pv_resetmap; | |
172 | ||
173 | void (*pv_halt)(void); | |
174 | unsigned char *pv_memorybitmap; | |
175 | ||
176 | #ifdef CONFIG_SUN3 | |
177 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | |
178 | void (*pv_vector_cmd)(void); | |
179 | int dummy1z; | |
180 | int dummy2z; | |
181 | int dummy3z; | |
182 | int dummy4z; | |
183 | #endif | |
184 | }; | |
185 | #else | |
186 | /* The top level PROM vector. */ | |
187 | struct linux_romvec { | |
188 | /* Version numbers. */ | |
189 | unsigned int pv_magic_cookie; | |
190 | unsigned int pv_romvers; | |
191 | unsigned int pv_plugin_revision; | |
192 | unsigned int pv_printrev; | |
193 | ||
194 | /* Version 0 memory descriptors. */ | |
195 | struct linux_mem_v0 pv_v0mem; | |
196 | ||
197 | /* Node operations. */ | |
198 | struct linux_nodeops *pv_nodeops; | |
199 | ||
200 | char **pv_bootstr; | |
201 | struct linux_dev_v0_funcs pv_v0devops; | |
202 | ||
203 | char *pv_stdin; | |
204 | char *pv_stdout; | |
205 | #define PROMDEV_KBD 0 /* input from keyboard */ | |
206 | #define PROMDEV_SCREEN 0 /* output to screen */ | |
207 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | |
208 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | |
209 | ||
210 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | |
211 | int (*pv_getchar)(void); | |
212 | void (*pv_putchar)(int ch); | |
213 | ||
214 | /* Non-blocking variants. */ | |
215 | int (*pv_nbgetchar)(void); | |
216 | int (*pv_nbputchar)(int ch); | |
217 | ||
218 | void (*pv_putstr)(char *str, int len); | |
219 | ||
220 | /* Miscellany. */ | |
221 | void (*pv_reboot)(char *bootstr); | |
222 | void (*pv_printf)(__const__ char *fmt, ...); | |
223 | void (*pv_abort)(void); | |
224 | __volatile__ int *pv_ticks; | |
225 | void (*pv_halt)(void); | |
226 | void (**pv_synchook)(void); | |
227 | ||
228 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | |
229 | union { | |
230 | void (*v0_eval)(int len, char *str); | |
231 | void (*v2_eval)(char *str); | |
232 | } pv_fortheval; | |
233 | ||
234 | struct linux_arguments_v0 **pv_v0bootargs; | |
235 | ||
236 | /* Get ether address. */ | |
237 | unsigned int (*pv_enaddr)(int d, char *enaddr); | |
238 | ||
239 | struct linux_bootargs_v2 pv_v2bootargs; | |
240 | struct linux_dev_v2_funcs pv_v2devops; | |
241 | ||
242 | int filler[15]; | |
243 | ||
244 | /* This one is sun4c/sun4 only. */ | |
245 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | |
246 | ||
247 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | |
248 | * No joke. Calling these when there is only one cpu probably | |
249 | * crashes the machine, have to test this. :-) | |
250 | */ | |
251 | ||
252 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | |
253 | * 'thiscontext' executing at address 'prog_counter' | |
254 | */ | |
255 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | |
256 | int thiscontext, char *prog_counter); | |
257 | ||
258 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | |
259 | * until a resume cpu call is made. | |
260 | */ | |
261 | int (*v3_cpustop)(unsigned int whichcpu); | |
262 | ||
263 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | |
264 | * resume cpu call is made. | |
265 | */ | |
266 | int (*v3_cpuidle)(unsigned int whichcpu); | |
267 | ||
268 | /* v3_cpuresume() will resume processor 'whichcpu' executing | |
269 | * starting with whatever 'pc' and 'npc' were left at the | |
270 | * last 'idle' or 'stop' call. | |
271 | */ | |
272 | int (*v3_cpuresume)(unsigned int whichcpu); | |
273 | }; | |
274 | #endif | |
275 | ||
276 | /* Routines for traversing the prom device tree. */ | |
277 | struct linux_nodeops { | |
278 | int (*no_nextnode)(int node); | |
279 | int (*no_child)(int node); | |
280 | int (*no_proplen)(int node, char *name); | |
281 | int (*no_getprop)(int node, char *name, char *val); | |
282 | int (*no_setprop)(int node, char *name, char *val, int len); | |
283 | char * (*no_nextprop)(int node, char *name); | |
284 | }; | |
285 | ||
286 | /* More fun PROM structures for device probing. */ | |
287 | #define PROMREG_MAX 16 | |
288 | #define PROMVADDR_MAX 16 | |
289 | #define PROMINTR_MAX 15 | |
290 | ||
291 | struct linux_prom_registers { | |
292 | int which_io; /* is this in OBIO space? */ | |
293 | char *phys_addr; /* The physical address of this register */ | |
294 | int reg_size; /* How many bytes does this register take up? */ | |
295 | }; | |
296 | ||
297 | struct linux_prom_irqs { | |
298 | int pri; /* IRQ priority */ | |
299 | int vector; /* This is foobar, what does it do? */ | |
300 | }; | |
301 | ||
302 | /* Element of the "ranges" vector */ | |
303 | struct linux_prom_ranges { | |
304 | unsigned int ot_child_space; | |
305 | unsigned int ot_child_base; /* Bus feels this */ | |
306 | unsigned int ot_parent_space; | |
307 | unsigned int ot_parent_base; /* CPU looks from here */ | |
308 | unsigned int or_size; | |
309 | }; | |
310 | ||
311 | #endif /* !(__ASSEMBLY__) */ | |
312 | ||
313 | #endif /* !(__SPARC_OPENPROM_H) */ |