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1 | #ifndef __SPARC64_OPENPROM_H |
2 | #define __SPARC64_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) 1996 David S. Miller (davem@caip.rutgers.edu) | |
8 | */ | |
9 | ||
10 | #ifndef __ASSEMBLY__ | |
11 | /* V0 prom device operations. */ | |
12 | struct linux_dev_v0_funcs { | |
13 | int (*v0_devopen)(char *device_str); | |
14 | int (*v0_devclose)(int dev_desc); | |
15 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
16 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | |
17 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | |
18 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | |
19 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
20 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | |
21 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | |
22 | }; | |
23 | ||
24 | /* V2 and later prom device operations. */ | |
25 | struct linux_dev_v2_funcs { | |
26 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | |
27 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | |
28 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | |
29 | ||
30 | /* To map devices into virtual I/O space. */ | |
31 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | |
32 | void (*v2_dumb_munmap)(char *virta, unsigned size); | |
33 | ||
34 | int (*v2_dev_open)(char *devpath); | |
35 | void (*v2_dev_close)(int d); | |
36 | int (*v2_dev_read)(int d, char *buf, int nbytes); | |
37 | int (*v2_dev_write)(int d, char *buf, int nbytes); | |
38 | int (*v2_dev_seek)(int d, int hi, int lo); | |
39 | ||
40 | /* Never issued (multistage load support) */ | |
41 | void (*v2_wheee2)(void); | |
42 | void (*v2_wheee3)(void); | |
43 | }; | |
44 | ||
45 | struct linux_mlist_v0 { | |
46 | struct linux_mlist_v0 *theres_more; | |
47 | unsigned start_adr; | |
48 | unsigned num_bytes; | |
49 | }; | |
50 | ||
51 | struct linux_mem_v0 { | |
52 | struct linux_mlist_v0 **v0_totphys; | |
53 | struct linux_mlist_v0 **v0_prommap; | |
54 | struct linux_mlist_v0 **v0_available; /* What we can use */ | |
55 | }; | |
56 | ||
57 | /* Arguments sent to the kernel from the boot prompt. */ | |
58 | struct linux_arguments_v0 { | |
59 | char *argv[8]; | |
60 | char args[100]; | |
61 | char boot_dev[2]; | |
62 | int boot_dev_ctrl; | |
63 | int boot_dev_unit; | |
64 | int dev_partition; | |
65 | char *kernel_file_name; | |
66 | void *aieee1; /* XXX */ | |
67 | }; | |
68 | ||
69 | /* V2 and up boot things. */ | |
70 | struct linux_bootargs_v2 { | |
71 | char **bootpath; | |
72 | char **bootargs; | |
73 | int *fd_stdin; | |
74 | int *fd_stdout; | |
75 | }; | |
76 | ||
77 | /* The top level PROM vector. */ | |
78 | struct linux_romvec { | |
79 | /* Version numbers. */ | |
80 | unsigned int pv_magic_cookie; | |
81 | unsigned int pv_romvers; | |
82 | unsigned int pv_plugin_revision; | |
83 | unsigned int pv_printrev; | |
84 | ||
85 | /* Version 0 memory descriptors. */ | |
86 | struct linux_mem_v0 pv_v0mem; | |
87 | ||
88 | /* Node operations. */ | |
89 | struct linux_nodeops *pv_nodeops; | |
90 | ||
91 | char **pv_bootstr; | |
92 | struct linux_dev_v0_funcs pv_v0devops; | |
93 | ||
94 | char *pv_stdin; | |
95 | char *pv_stdout; | |
96 | #define PROMDEV_KBD 0 /* input from keyboard */ | |
97 | #define PROMDEV_SCREEN 0 /* output to screen */ | |
98 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | |
99 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | |
100 | ||
101 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | |
102 | int (*pv_getchar)(void); | |
103 | void (*pv_putchar)(int ch); | |
104 | ||
105 | /* Non-blocking variants. */ | |
106 | int (*pv_nbgetchar)(void); | |
107 | int (*pv_nbputchar)(int ch); | |
108 | ||
109 | void (*pv_putstr)(char *str, int len); | |
110 | ||
111 | /* Miscellany. */ | |
112 | void (*pv_reboot)(char *bootstr); | |
113 | void (*pv_printf)(__const__ char *fmt, ...); | |
114 | void (*pv_abort)(void); | |
115 | __volatile__ int *pv_ticks; | |
116 | void (*pv_halt)(void); | |
117 | void (**pv_synchook)(void); | |
118 | ||
119 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | |
120 | union { | |
121 | void (*v0_eval)(int len, char *str); | |
122 | void (*v2_eval)(char *str); | |
123 | } pv_fortheval; | |
124 | ||
125 | struct linux_arguments_v0 **pv_v0bootargs; | |
126 | ||
127 | /* Get ether address. */ | |
128 | unsigned int (*pv_enaddr)(int d, char *enaddr); | |
129 | ||
130 | struct linux_bootargs_v2 pv_v2bootargs; | |
131 | struct linux_dev_v2_funcs pv_v2devops; | |
132 | ||
133 | int filler[15]; | |
134 | ||
135 | /* This one is sun4c/sun4 only. */ | |
136 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | |
137 | ||
138 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | |
139 | * No joke. Calling these when there is only one cpu probably | |
140 | * crashes the machine, have to test this. :-) | |
141 | */ | |
142 | ||
143 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | |
144 | * 'thiscontext' executing at address 'prog_counter' | |
145 | */ | |
146 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | |
147 | int thiscontext, char *prog_counter); | |
148 | ||
149 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | |
150 | * until a resume cpu call is made. | |
151 | */ | |
152 | int (*v3_cpustop)(unsigned int whichcpu); | |
153 | ||
154 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | |
155 | * resume cpu call is made. | |
156 | */ | |
157 | int (*v3_cpuidle)(unsigned int whichcpu); | |
158 | ||
159 | /* v3_cpuresume() will resume processor 'whichcpu' executing | |
160 | * starting with whatever 'pc' and 'npc' were left at the | |
161 | * last 'idle' or 'stop' call. | |
162 | */ | |
163 | int (*v3_cpuresume)(unsigned int whichcpu); | |
164 | }; | |
165 | ||
166 | /* Routines for traversing the prom device tree. */ | |
167 | struct linux_nodeops { | |
168 | int (*no_nextnode)(int node); | |
169 | int (*no_child)(int node); | |
170 | int (*no_proplen)(int node, char *name); | |
171 | int (*no_getprop)(int node, char *name, char *val); | |
172 | int (*no_setprop)(int node, char *name, char *val, int len); | |
173 | char * (*no_nextprop)(int node, char *name); | |
174 | }; | |
175 | ||
176 | /* More fun PROM structures for device probing. */ | |
46ba6d7d | 177 | #define PROMREG_MAX 24 |
1da177e4 | 178 | #define PROMVADDR_MAX 16 |
9245df0c | 179 | #define PROMINTR_MAX 32 |
1da177e4 LT |
180 | |
181 | struct linux_prom_registers { | |
182 | unsigned which_io; /* hi part of physical address */ | |
183 | unsigned phys_addr; /* The physical address of this register */ | |
184 | int reg_size; /* How many bytes does this register take up? */ | |
185 | }; | |
186 | ||
187 | struct linux_prom64_registers { | |
13edad7a DM |
188 | unsigned long phys_addr; |
189 | unsigned long reg_size; | |
1da177e4 LT |
190 | }; |
191 | ||
192 | struct linux_prom_irqs { | |
193 | int pri; /* IRQ priority */ | |
194 | int vector; /* This is foobar, what does it do? */ | |
195 | }; | |
196 | ||
197 | /* Element of the "ranges" vector */ | |
198 | struct linux_prom_ranges { | |
199 | unsigned int ot_child_space; | |
200 | unsigned int ot_child_base; /* Bus feels this */ | |
201 | unsigned int ot_parent_space; | |
202 | unsigned int ot_parent_base; /* CPU looks from here */ | |
203 | unsigned int or_size; | |
204 | }; | |
205 | ||
206 | struct linux_prom64_ranges { | |
207 | unsigned long ot_child_base; /* Bus feels this */ | |
208 | unsigned long ot_parent_base; /* CPU looks from here */ | |
209 | unsigned long or_size; | |
210 | }; | |
211 | ||
212 | /* Ranges and reg properties are a bit different for PCI. */ | |
213 | struct linux_prom_pci_registers { | |
214 | unsigned int phys_hi; | |
215 | unsigned int phys_mid; | |
216 | unsigned int phys_lo; | |
217 | ||
218 | unsigned int size_hi; | |
219 | unsigned int size_lo; | |
220 | }; | |
221 | ||
222 | struct linux_prom_pci_ranges { | |
223 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | |
224 | unsigned int child_phys_mid; | |
225 | unsigned int child_phys_lo; | |
226 | ||
227 | unsigned int parent_phys_hi; | |
228 | unsigned int parent_phys_lo; | |
229 | ||
230 | unsigned int size_hi; | |
231 | unsigned int size_lo; | |
232 | }; | |
233 | ||
234 | struct linux_prom_pci_intmap { | |
235 | unsigned int phys_hi; | |
236 | unsigned int phys_mid; | |
237 | unsigned int phys_lo; | |
238 | ||
239 | unsigned int interrupt; | |
240 | ||
241 | int cnode; | |
242 | unsigned int cinterrupt; | |
243 | }; | |
244 | ||
245 | struct linux_prom_pci_intmask { | |
246 | unsigned int phys_hi; | |
247 | unsigned int phys_mid; | |
248 | unsigned int phys_lo; | |
249 | unsigned int interrupt; | |
250 | }; | |
251 | ||
252 | struct linux_prom_ebus_ranges { | |
253 | unsigned int child_phys_hi; | |
254 | unsigned int child_phys_lo; | |
255 | ||
256 | unsigned int parent_phys_hi; | |
257 | unsigned int parent_phys_mid; | |
258 | unsigned int parent_phys_lo; | |
259 | ||
260 | unsigned int size; | |
261 | }; | |
262 | ||
263 | struct linux_prom_ebus_intmap { | |
264 | unsigned int phys_hi; | |
265 | unsigned int phys_lo; | |
266 | ||
267 | unsigned int interrupt; | |
268 | ||
269 | int cnode; | |
270 | unsigned int cinterrupt; | |
271 | }; | |
272 | ||
273 | struct linux_prom_ebus_intmask { | |
274 | unsigned int phys_hi; | |
275 | unsigned int phys_lo; | |
276 | unsigned int interrupt; | |
277 | }; | |
278 | #endif /* !(__ASSEMBLY__) */ | |
279 | ||
280 | #endif /* !(__SPARC64_OPENPROM_H) */ |