Return to prom.h CVS log

Up to [local] / sys / arch / solbourne / include

Annotation of sys/arch/solbourne/include/prom.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: prom.h,v 1.1 2005/04/19 21:30:18 miod Exp $   */
                      2: /*
                      3:  * Copyright (c) 2005, Miodrag Vallat
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  *
                     14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     15:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     16:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     17:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     18:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     19:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     20:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     22:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     23:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     24:  * POSSIBILITY OF SUCH DAMAGE.
                     25:  */
                     26:
                     27: #ifndef        _SOLBOURNE_PROM_H_
                     28: #define        _SOLBOURNE_PROM_H_
                     29:
                     30: /*
                     31:  * The following describes the PROM communication structure,
                     32:  * which appears at the beginning of physical memory.
                     33:  */
                     34:
                     35: #define        PROM_CODE_PA            0x00000000
                     36: #define        PROM_CODE_VA            PTW0_BASE
                     37: #define        PROM_DATA_PA            PHYSMEM_BASE
                     38: #define        PROM_DATA_VA            PTW1_BASE
                     39:
                     40: struct sb_prom {
                     41:        int     sp_interface;                   /* interface version */
                     42:        int     (*sp_interp)(const char *);     /* prom commands */
                     43:        char    sp_version[128];                /* prom version */
                     44:        int     (*sp_eval)(const char *);       /* forth commands */
                     45:        int     sp_ramdisk;                     /* ramdisk size if any in MB */
                     46:        int     sp_promend;                     /* first available va */
                     47:        int     sp_memsize;                     /* memory size in pages... */
                     48:        int     sp_memsize_mb;                  /* ...and in MB */
                     49:        int     sp_reserve_start;               /* reserved area (in pages) */
                     50:        int     sp_reserve_len;                 /* and length (in pages) */
                     51:        vaddr_t sp_msgbufp;                     /* PROM msgbuf pointer */
                     52:        int     sp_sash_usrtrap;
                     53:        int     sp_rootnode;
                     54:        int     sp_validregs;                   /* nonzero if registers... */
                     55:        int     sp_regs[100];                   /* ...array is valid */
                     56:        int     sp_revision;                    /* prom revision */
                     57: };
                     58:
                     59: #define        PROM_INTERFACE          4
                     60:
                     61: /*
                     62:  * Reset strings
                     63:  */
                     64:
                     65: #define        PROM_RESET_COLD         "cold"
                     66: #define        PROM_RESET_WARM         "warm"
                     67: #define        PROM_RESET_HALT         "halt"
                     68:
                     69: /*
                     70:  * Environment variables (all upper-case)
                     71:  */
                     72:
                     73: #define        ENV_ETHERADDR           "ENETADDR"
                     74: #define        ENV_INPUTDEVICE         "INPUT-DEVICE"
                     75: #define        ENV_MODEL               "MODEL"
                     76: #define        ENV_OUTPUTDEVICE        "OUTPUT-DEVICE"
                     77: #define        ENV_TTYA                "TTYA_MODE"
                     78: #define        ENV_TTYB                "TTYB_MODE"
                     79:
                     80: /*
                     81:  * Node structures
                     82:  */
                     83:
                     84: struct prom_node {
                     85:        int     pn_sibling;
                     86:        int     pn_child;
                     87:        vaddr_t pn_props;
                     88:        char    *pn_name;
                     89: };
                     90:
                     91: struct prom_prop {
                     92:        struct prom_prop *pp_next;
                     93:        size_t  pp_size;
                     94:        char    pp_data[0];
                     95: };
                     96:
                     97: /*
                     98:  * System model
                     99:  */
                    100:
                    101: extern int sysmodel;
                    102:
                    103: #define        SYS_S4000       0xf4
                    104: #define        SYS_S4100       0xf5
                    105:
                    106: const char *prom_getenv(const char *);
                    107:
                    108: #endif /* _SOLBOURNE_PROM_H_ */