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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 | #ifndef __SPARC_OPENPROM_H #define __SPARC_OPENPROM_H /* openprom.h: Prom structures and defines for access to the OPENBOOT * prom routines and data areas. * * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) */ /* Empirical constants... */ #define LINUX_OPPROM_MAGIC 0x10010407 #ifndef __ASSEMBLY__ /* V0 prom device operations. */ struct linux_dev_v0_funcs { int (*v0_devopen)(char *device_str); int (*v0_devclose)(int dev_desc); int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); int (*v0_seekdev)(int dev_desc, long logical_offst, int from); }; /* V2 and later prom device operations. */ struct linux_dev_v2_funcs { int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); void (*v2_dumb_mem_free)(char *va, unsigned sz); /* To map devices into virtual I/O space. */ char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); void (*v2_dumb_munmap)(char *virta, unsigned size); int (*v2_dev_open)(char *devpath); void (*v2_dev_close)(int d); int (*v2_dev_read)(int d, char *buf, int nbytes); int (*v2_dev_write)(int d, char *buf, int nbytes); int (*v2_dev_seek)(int d, int hi, int lo); /* Never issued (multistage load support) */ void (*v2_wheee2)(void); void (*v2_wheee3)(void); }; struct linux_mlist_v0 { struct linux_mlist_v0 *theres_more; unsigned int start_adr; unsigned num_bytes; }; struct linux_mem_v0 { struct linux_mlist_v0 **v0_totphys; struct linux_mlist_v0 **v0_prommap; struct linux_mlist_v0 **v0_available; /* What we can use */ }; /* Arguments sent to the kernel from the boot prompt. */ struct linux_arguments_v0 { char *argv[8]; char args[100]; char boot_dev[2]; int boot_dev_ctrl; int boot_dev_unit; int dev_partition; char *kernel_file_name; void *aieee1; /* XXX */ }; /* V2 and up boot things. */ struct linux_bootargs_v2 { char **bootpath; char **bootargs; int *fd_stdin; int *fd_stdout; }; /* The top level PROM vector. */ struct linux_romvec { /* Version numbers. */ unsigned int pv_magic_cookie; unsigned int pv_romvers; unsigned int pv_plugin_revision; unsigned int pv_printrev; /* Version 0 memory descriptors. */ struct linux_mem_v0 pv_v0mem; /* Node operations. */ struct linux_nodeops *pv_nodeops; char **pv_bootstr; struct linux_dev_v0_funcs pv_v0devops; char *pv_stdin; char *pv_stdout; #define PROMDEV_KBD 0 /* input from keyboard */ #define PROMDEV_SCREEN 0 /* output to screen */ #define PROMDEV_TTYA 1 /* in/out to ttya */ #define PROMDEV_TTYB 2 /* in/out to ttyb */ /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ int (*pv_getchar)(void); void (*pv_putchar)(int ch); /* Non-blocking variants. */ int (*pv_nbgetchar)(void); int (*pv_nbputchar)(int ch); void (*pv_putstr)(char *str, int len); /* Miscellany. */ void (*pv_reboot)(char *bootstr); void (*pv_printf)(__const__ char *fmt, ...); void (*pv_abort)(void); __volatile__ int *pv_ticks; void (*pv_halt)(void); void (**pv_synchook)(void); /* Evaluate a forth string, not different proto for V0 and V2->up. */ union { void (*v0_eval)(int len, char *str); void (*v2_eval)(char *str); } pv_fortheval; struct linux_arguments_v0 **pv_v0bootargs; /* Get ether address. */ unsigned int (*pv_enaddr)(int d, char *enaddr); struct linux_bootargs_v2 pv_v2bootargs; struct linux_dev_v2_funcs pv_v2devops; int filler[15]; /* This one is sun4c/sun4 only. */ void (*pv_setctxt)(int ctxt, char *va, int pmeg); /* Prom version 3 Multiprocessor routines. This stuff is crazy. * No joke. Calling these when there is only one cpu probably * crashes the machine, have to test this. :-) */ /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context * 'thiscontext' executing at address 'prog_counter' */ int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, int thiscontext, char *prog_counter); /* v3_cpustop() will cause cpu 'whichcpu' to stop executing * until a resume cpu call is made. */ int (*v3_cpustop)(unsigned int whichcpu); /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or * resume cpu call is made. */ int (*v3_cpuidle)(unsigned int whichcpu); /* v3_cpuresume() will resume processor 'whichcpu' executing * starting with whatever 'pc' and 'npc' were left at the * last 'idle' or 'stop' call. */ int (*v3_cpuresume)(unsigned int whichcpu); }; /* Routines for traversing the prom device tree. */ struct linux_nodeops { int (*no_nextnode)(int node); int (*no_child)(int node); int (*no_proplen)(int node, const char *name); int (*no_getprop)(int node, const char *name, char *val); int (*no_setprop)(int node, const char *name, char *val, int len); char * (*no_nextprop)(int node, char *name); }; /* More fun PROM structures for device probing. */ #if defined(__sparc__) && defined(__arch64__) #define PROMREG_MAX 24 #define PROMVADDR_MAX 16 #define PROMINTR_MAX 32 #else #define PROMREG_MAX 16 #define PROMVADDR_MAX 16 #define PROMINTR_MAX 15 #endif struct linux_prom_registers { unsigned int which_io; /* hi part of physical address */ unsigned int phys_addr; /* The physical address of this register */ unsigned int reg_size; /* How many bytes does this register take up? */ }; struct linux_prom64_registers { unsigned long phys_addr; unsigned long reg_size; }; struct linux_prom_irqs { int pri; /* IRQ priority */ int vector; /* This is foobar, what does it do? */ }; /* Element of the "ranges" vector */ struct linux_prom_ranges { unsigned int ot_child_space; unsigned int ot_child_base; /* Bus feels this */ unsigned int ot_parent_space; unsigned int ot_parent_base; /* CPU looks from here */ unsigned int or_size; }; /* * Ranges and reg properties are a bit different for PCI. */ #if defined(__sparc__) && defined(__arch64__) struct linux_prom_pci_registers { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int size_hi; unsigned int size_lo; }; #else struct linux_prom_pci_registers { /* * We don't know what information this field contain. * We guess, PCI device function is in bits 15:8 * So, ... */ unsigned int which_io; /* Let it be which_io */ unsigned int phys_hi; unsigned int phys_lo; unsigned int size_hi; unsigned int size_lo; }; #endif struct linux_prom_pci_ranges { unsigned int child_phys_hi; /* Only certain bits are encoded here. */ unsigned int child_phys_mid; unsigned int child_phys_lo; unsigned int parent_phys_hi; unsigned int parent_phys_lo; unsigned int size_hi; unsigned int size_lo; }; struct linux_prom_pci_intmap { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int interrupt; int cnode; unsigned int cinterrupt; }; struct linux_prom_pci_intmask { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int interrupt; }; #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_OPENPROM_H) */ |