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-rw-r--r--arch/sparc/include/asm/openprom_64.h280
1 files changed, 280 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h
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index 000000000000..b69e4a8c9170
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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. */
12struct 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. */
25struct 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
45struct linux_mlist_v0 {
46 struct linux_mlist_v0 *theres_more;
47 unsigned start_adr;
48 unsigned num_bytes;
49};
50
51struct 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. */
58struct 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. */
70struct 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. */
78struct 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. */
167struct 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. */
177#define PROMREG_MAX 24
178#define PROMVADDR_MAX 16
179#define PROMINTR_MAX 32
180
181struct 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
187struct linux_prom64_registers {
188 unsigned long phys_addr;
189 unsigned long reg_size;
190};
191
192struct 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 */
198struct 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
206struct 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. */
213struct 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
222struct 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
234struct 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
245struct 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
252struct 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
263struct 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
273struct 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) */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-22 17:11:56 -0500