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Diffstat (limited to 'include/asm-sparc64/openprom.h')
-rw-r--r-- | include/asm-sparc64/openprom.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/include/asm-sparc64/openprom.h b/include/asm-sparc64/openprom.h new file mode 100644 index 000000000000..0a336901d585 --- /dev/null +++ b/include/asm-sparc64/openprom.h | |||
@@ -0,0 +1,281 @@ | |||
1 | /* $Id: openprom.h,v 1.9 2001/03/16 10:22:02 davem Exp $ */ | ||
2 | #ifndef __SPARC64_OPENPROM_H | ||
3 | #define __SPARC64_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) 1996 David S. Miller (davem@caip.rutgers.edu) | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASSEMBLY__ | ||
12 | /* V0 prom device operations. */ | ||
13 | struct linux_dev_v0_funcs { | ||
14 | int (*v0_devopen)(char *device_str); | ||
15 | int (*v0_devclose)(int dev_desc); | ||
16 | int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
17 | int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); | ||
18 | int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); | ||
19 | int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); | ||
20 | int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
21 | int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); | ||
22 | int (*v0_seekdev)(int dev_desc, long logical_offst, int from); | ||
23 | }; | ||
24 | |||
25 | /* V2 and later prom device operations. */ | ||
26 | struct linux_dev_v2_funcs { | ||
27 | int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ | ||
28 | char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); | ||
29 | void (*v2_dumb_mem_free)(char *va, unsigned sz); | ||
30 | |||
31 | /* To map devices into virtual I/O space. */ | ||
32 | char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); | ||
33 | void (*v2_dumb_munmap)(char *virta, unsigned size); | ||
34 | |||
35 | int (*v2_dev_open)(char *devpath); | ||
36 | void (*v2_dev_close)(int d); | ||
37 | int (*v2_dev_read)(int d, char *buf, int nbytes); | ||
38 | int (*v2_dev_write)(int d, char *buf, int nbytes); | ||
39 | int (*v2_dev_seek)(int d, int hi, int lo); | ||
40 | |||
41 | /* Never issued (multistage load support) */ | ||
42 | void (*v2_wheee2)(void); | ||
43 | void (*v2_wheee3)(void); | ||
44 | }; | ||
45 | |||
46 | struct linux_mlist_v0 { | ||
47 | struct linux_mlist_v0 *theres_more; | ||
48 | unsigned start_adr; | ||
49 | unsigned num_bytes; | ||
50 | }; | ||
51 | |||
52 | struct linux_mem_v0 { | ||
53 | struct linux_mlist_v0 **v0_totphys; | ||
54 | struct linux_mlist_v0 **v0_prommap; | ||
55 | struct linux_mlist_v0 **v0_available; /* What we can use */ | ||
56 | }; | ||
57 | |||
58 | /* Arguments sent to the kernel from the boot prompt. */ | ||
59 | struct linux_arguments_v0 { | ||
60 | char *argv[8]; | ||
61 | char args[100]; | ||
62 | char boot_dev[2]; | ||
63 | int boot_dev_ctrl; | ||
64 | int boot_dev_unit; | ||
65 | int dev_partition; | ||
66 | char *kernel_file_name; | ||
67 | void *aieee1; /* XXX */ | ||
68 | }; | ||
69 | |||
70 | /* V2 and up boot things. */ | ||
71 | struct linux_bootargs_v2 { | ||
72 | char **bootpath; | ||
73 | char **bootargs; | ||
74 | int *fd_stdin; | ||
75 | int *fd_stdout; | ||
76 | }; | ||
77 | |||
78 | /* The top level PROM vector. */ | ||
79 | struct linux_romvec { | ||
80 | /* Version numbers. */ | ||
81 | unsigned int pv_magic_cookie; | ||
82 | unsigned int pv_romvers; | ||
83 | unsigned int pv_plugin_revision; | ||
84 | unsigned int pv_printrev; | ||
85 | |||
86 | /* Version 0 memory descriptors. */ | ||
87 | struct linux_mem_v0 pv_v0mem; | ||
88 | |||
89 | /* Node operations. */ | ||
90 | struct linux_nodeops *pv_nodeops; | ||
91 | |||
92 | char **pv_bootstr; | ||
93 | struct linux_dev_v0_funcs pv_v0devops; | ||
94 | |||
95 | char *pv_stdin; | ||
96 | char *pv_stdout; | ||
97 | #define PROMDEV_KBD 0 /* input from keyboard */ | ||
98 | #define PROMDEV_SCREEN 0 /* output to screen */ | ||
99 | #define PROMDEV_TTYA 1 /* in/out to ttya */ | ||
100 | #define PROMDEV_TTYB 2 /* in/out to ttyb */ | ||
101 | |||
102 | /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ | ||
103 | int (*pv_getchar)(void); | ||
104 | void (*pv_putchar)(int ch); | ||
105 | |||
106 | /* Non-blocking variants. */ | ||
107 | int (*pv_nbgetchar)(void); | ||
108 | int (*pv_nbputchar)(int ch); | ||
109 | |||
110 | void (*pv_putstr)(char *str, int len); | ||
111 | |||
112 | /* Miscellany. */ | ||
113 | void (*pv_reboot)(char *bootstr); | ||
114 | void (*pv_printf)(__const__ char *fmt, ...); | ||
115 | void (*pv_abort)(void); | ||
116 | __volatile__ int *pv_ticks; | ||
117 | void (*pv_halt)(void); | ||
118 | void (**pv_synchook)(void); | ||
119 | |||
120 | /* Evaluate a forth string, not different proto for V0 and V2->up. */ | ||
121 | union { | ||
122 | void (*v0_eval)(int len, char *str); | ||
123 | void (*v2_eval)(char *str); | ||
124 | } pv_fortheval; | ||
125 | |||
126 | struct linux_arguments_v0 **pv_v0bootargs; | ||
127 | |||
128 | /* Get ether address. */ | ||
129 | unsigned int (*pv_enaddr)(int d, char *enaddr); | ||
130 | |||
131 | struct linux_bootargs_v2 pv_v2bootargs; | ||
132 | struct linux_dev_v2_funcs pv_v2devops; | ||
133 | |||
134 | int filler[15]; | ||
135 | |||
136 | /* This one is sun4c/sun4 only. */ | ||
137 | void (*pv_setctxt)(int ctxt, char *va, int pmeg); | ||
138 | |||
139 | /* Prom version 3 Multiprocessor routines. This stuff is crazy. | ||
140 | * No joke. Calling these when there is only one cpu probably | ||
141 | * crashes the machine, have to test this. :-) | ||
142 | */ | ||
143 | |||
144 | /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context | ||
145 | * 'thiscontext' executing at address 'prog_counter' | ||
146 | */ | ||
147 | int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, | ||
148 | int thiscontext, char *prog_counter); | ||
149 | |||
150 | /* v3_cpustop() will cause cpu 'whichcpu' to stop executing | ||
151 | * until a resume cpu call is made. | ||
152 | */ | ||
153 | int (*v3_cpustop)(unsigned int whichcpu); | ||
154 | |||
155 | /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or | ||
156 | * resume cpu call is made. | ||
157 | */ | ||
158 | int (*v3_cpuidle)(unsigned int whichcpu); | ||
159 | |||
160 | /* v3_cpuresume() will resume processor 'whichcpu' executing | ||
161 | * starting with whatever 'pc' and 'npc' were left at the | ||
162 | * last 'idle' or 'stop' call. | ||
163 | */ | ||
164 | int (*v3_cpuresume)(unsigned int whichcpu); | ||
165 | }; | ||
166 | |||
167 | /* Routines for traversing the prom device tree. */ | ||
168 | struct linux_nodeops { | ||
169 | int (*no_nextnode)(int node); | ||
170 | int (*no_child)(int node); | ||
171 | int (*no_proplen)(int node, char *name); | ||
172 | int (*no_getprop)(int node, char *name, char *val); | ||
173 | int (*no_setprop)(int node, char *name, char *val, int len); | ||
174 | char * (*no_nextprop)(int node, char *name); | ||
175 | }; | ||
176 | |||
177 | /* More fun PROM structures for device probing. */ | ||
178 | #define PROMREG_MAX 16 | ||
179 | #define PROMVADDR_MAX 16 | ||
180 | #define PROMINTR_MAX 15 | ||
181 | |||
182 | struct linux_prom_registers { | ||
183 | unsigned which_io; /* hi part of physical address */ | ||
184 | unsigned phys_addr; /* The physical address of this register */ | ||
185 | int reg_size; /* How many bytes does this register take up? */ | ||
186 | }; | ||
187 | |||
188 | struct linux_prom64_registers { | ||
189 | long phys_addr; | ||
190 | long reg_size; | ||
191 | }; | ||
192 | |||
193 | struct linux_prom_irqs { | ||
194 | int pri; /* IRQ priority */ | ||
195 | int vector; /* This is foobar, what does it do? */ | ||
196 | }; | ||
197 | |||
198 | /* Element of the "ranges" vector */ | ||
199 | struct linux_prom_ranges { | ||
200 | unsigned int ot_child_space; | ||
201 | unsigned int ot_child_base; /* Bus feels this */ | ||
202 | unsigned int ot_parent_space; | ||
203 | unsigned int ot_parent_base; /* CPU looks from here */ | ||
204 | unsigned int or_size; | ||
205 | }; | ||
206 | |||
207 | struct linux_prom64_ranges { | ||
208 | unsigned long ot_child_base; /* Bus feels this */ | ||
209 | unsigned long ot_parent_base; /* CPU looks from here */ | ||
210 | unsigned long or_size; | ||
211 | }; | ||
212 | |||
213 | /* Ranges and reg properties are a bit different for PCI. */ | ||
214 | struct linux_prom_pci_registers { | ||
215 | unsigned int phys_hi; | ||
216 | unsigned int phys_mid; | ||
217 | unsigned int phys_lo; | ||
218 | |||
219 | unsigned int size_hi; | ||
220 | unsigned int size_lo; | ||
221 | }; | ||
222 | |||
223 | struct linux_prom_pci_ranges { | ||
224 | unsigned int child_phys_hi; /* Only certain bits are encoded here. */ | ||
225 | unsigned int child_phys_mid; | ||
226 | unsigned int child_phys_lo; | ||
227 | |||
228 | unsigned int parent_phys_hi; | ||
229 | unsigned int parent_phys_lo; | ||
230 | |||
231 | unsigned int size_hi; | ||
232 | unsigned int size_lo; | ||
233 | }; | ||
234 | |||
235 | struct linux_prom_pci_intmap { | ||
236 | unsigned int phys_hi; | ||
237 | unsigned int phys_mid; | ||
238 | unsigned int phys_lo; | ||
239 | |||
240 | unsigned int interrupt; | ||
241 | |||
242 | int cnode; | ||
243 | unsigned int cinterrupt; | ||
244 | }; | ||
245 | |||
246 | struct linux_prom_pci_intmask { | ||
247 | unsigned int phys_hi; | ||
248 | unsigned int phys_mid; | ||
249 | unsigned int phys_lo; | ||
250 | unsigned int interrupt; | ||
251 | }; | ||
252 | |||
253 | struct linux_prom_ebus_ranges { | ||
254 | unsigned int child_phys_hi; | ||
255 | unsigned int child_phys_lo; | ||
256 | |||
257 | unsigned int parent_phys_hi; | ||
258 | unsigned int parent_phys_mid; | ||
259 | unsigned int parent_phys_lo; | ||
260 | |||
261 | unsigned int size; | ||
262 | }; | ||
263 | |||
264 | struct linux_prom_ebus_intmap { | ||
265 | unsigned int phys_hi; | ||
266 | unsigned int phys_lo; | ||
267 | |||
268 | unsigned int interrupt; | ||
269 | |||
270 | int cnode; | ||
271 | unsigned int cinterrupt; | ||
272 | }; | ||
273 | |||
274 | struct linux_prom_ebus_intmask { | ||
275 | unsigned int phys_hi; | ||
276 | unsigned int phys_lo; | ||
277 | unsigned int interrupt; | ||
278 | }; | ||
279 | #endif /* !(__ASSEMBLY__) */ | ||
280 | |||
281 | #endif /* !(__SPARC64_OPENPROM_H) */ | ||