1 /* $NetBSD: bugsyscalls.h,v 1.2 2008/04/28 20:23:30 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef __BUGSYSCALLS_H 33 #define __BUGSYSCALLS_H 34 35 /* 36 * Basic Console I/O system calls 37 */ 38 extern char bugsys_inchr(void); 39 extern void bugsys_outchr(char); 40 extern int bugsys_instat(void); 41 42 43 /* 44 * Basic Disk I/O system calls 45 */ 46 struct bug_diskio { 47 u_int8_t dc_clun; /* Controller LUN for operation */ 48 u_int8_t dc_dlun; /* Device LUN for operation */ 49 u_int16_t dc_status; /* Completion status written here */ 50 void *dc_buffer; /* Pointer to dest/src buffer */ 51 u_int32_t dc_block; /* Starting block/file-number */ 52 u_int16_t dc_nblocks; /* Number of blocks to transfer */ 53 u_int8_t dc_flag; /* Flag (see below) */ 54 u_int8_t dc_am; /* VMEbus address modifier, or zero */ 55 }; 56 #define BUG_DISKCMD_FLAG_FILEMARK (1 << 7) 57 #define BUG_DISKCMD_FLAG_IFN (1 << 1) 58 #define BUG_DISKCMD_FLAG_EOF (1 << 0) 59 60 extern int bugsys_dskrd(struct bug_diskio *); 61 extern int bugsys_dskwr(struct bug_diskio *); 62 63 /* 64 * Basic Nework I/O system calls 65 */ 66 struct bug_netio { 67 u_int8_t nc_clun; /* Controller LUN for operation */ 68 u_int8_t nc_dlun; /* Device LUN for operation */ 69 u_int16_t nc_status; /* Completion status written here */ 70 u_int32_t nc_command; /* Command identifier */ 71 void *nc_buffer; /* Pointer to dest/src data buffer */ 72 u_int32_t nc_length; /* Number of bytes of data */ 73 u_int32_t nc_csr; /* Status/Control flags */ 74 }; 75 #define BUG_NETIO_CMD_INIT 0x0 /* Initialise Device/Channel/Node */ 76 #define BUG_NETIO_CMD_GET_MAC 0x1 /* Get ethernet MAC address */ 77 #define BUG_NETIO_CMD_TRANSMIT 0x2 /* Transmit a packet of data */ 78 #define BUG_NETIO_CMD_RECEIVE 0x3 /* Receive a packet of data */ 79 #define BUG_NETIO_CMD_FLUSH 0x4 /* Flush receive buffers */ 80 #define BUG_NETIO_CMD_RESET 0x5 /* Reset Device/Channel/Node */ 81 82 #define BUG_NETIO_CSR_RX_COMPLETE (1<<16) 83 84 extern int bugsys_netio(struct bug_netio *); 85 86 /* 87 * Miscellaneous system calls 88 */ 89 extern void bugsys_delay(int); 90 91 struct bug_boardid { 92 u_int32_t bi_eyecatcher; /* Eye catcher pattern */ 93 u_int8_t bi_rev; /* PPCBug Revision, in BCD */ 94 u_int8_t bi_month; /* PPCBug Month, in BCD */ 95 u_int8_t bi_day; /* PPCBug Day, in BCD */ 96 u_int8_t bi_year; /* PPCBug Year, in BCD */ 97 u_int16_t bi_size; /* Size of this structure */ 98 u_int16_t bi_resvd; 99 u_int16_t bi_bnumber; /* Board number, in BCD */ 100 u_int16_t bi_bsuffix; /* Board suffix, in BCD */ 101 u_int32_t bi_options; /* Board options. See below */ 102 u_int16_t bi_clun; /* Boot device CLUN */ 103 u_int16_t bi_dlun; /* Boot device DLUN */ 104 u_int16_t bi_devtype; /* Boot device type. See below */ 105 u_int16_t bi_devnumber; /* Boot device number */ 106 u_int32_t bi_resvd2; 107 }; 108 #define BUG_BOARDID_OPT_CPU_MASK 0x0f 109 #define BUG_BOARDID_OPT_CPU_SHIFT 0 110 #define BUG_BOARDID_OPT_CPU_MPC620 1 111 #define BUG_BOARDID_OPT_CPU_MPC601 1 112 #define BUG_BOARDID_OPT_CPU_MPC602 2 113 #define BUG_BOARDID_OPT_CPU_MPC603 3 114 #define BUG_BOARDID_OPT_CPU_MPC604 4 115 #define BUG_BOARDID_OPT_FAMILY_MASK 0x07 116 #define BUG_BOARDID_OPT_FAMILY_SHIFT 6 117 #define BUG_BOARDID_OPT_FAMILY_MPC600 2 118 #define BUG_BOARDID_OPT_FPC (1 << 7) 119 #define BUG_BOARDID_OPT_MMU (1 << 8) 120 #define BUG_BOARDID_OPT_MMB (1 << 9) 121 122 #define BUG_BOARDID_DEVTYPE_DIRECT 0 /* Direct Access Device (disk) */ 123 #define BUG_BOARDID_DEVTYPE_SEQ 1 /* Sequential Access Device (tape) */ 124 #define BUG_BOARDID_DEVTYPE_PRINTER 2 /* Printer device */ 125 #define BUG_BOARDID_DEVTYPE_PROCESSOR 3 /* Processor device */ 126 #define BUG_BOARDID_DEVTYPE_WORM 4 /* WORM device */ 127 #define BUG_BOARDID_DEVTYPE_CDROM 5 /* CD-ROM device */ 128 #define BUG_BOARDID_DEVTYPE_SCANNER 6 /* Scanner device */ 129 #define BUG_BOARDID_DEVTYPE_OPTICAL 7 /* Optical memory device */ 130 #define BUG_BOARDID_DEVTYPE_CHANGER 8 /* Medium Changer device */ 131 #define BUG_BOARDID_DEVTYPE_COMMS 9 /* Communications device */ 132 133 extern struct bug_boardid *bugsys_brdid(void); 134 135 struct bug_ioinquiry { 136 u_int32_t ii_portnum; /* Port number */ 137 char *ii_boardname; /* Board name pointer */ 138 u_int32_t ii_channel; /* Channel number */ 139 u_int32_t ii_devaddr; /* Device address */ 140 u_int32_t ii_concurmode; /* Concurrent mode */ 141 u_int32_t ii_modemid; /* Modem ID */ 142 struct bug_ioctrl *ii_ioctrl; /* I/O control struction pointer */ 143 u_int32_t ii_error; /* Error code */ 144 u_int32_t ii_resvd[3]; 145 }; 146 #define BUG_IOINQ_PORT_CONSOLE 0xffffffff 147 148 struct bug_ioctrl { 149 u_int32_t ic_ctrlbits; 150 u_int32_t ic_baud; 151 u_int32_t ic_protocol; 152 u_int32_t ic_sync1; 153 u_int32_t ic_sync2; 154 u_int32_t ic_xonchar; 155 u_int32_t ic_xoffchar; 156 }; 157 #define IOCTRL_PARITY_ODD (1 << 0) 158 #define IOCTRL_PARITY_EVEN (1 << 1) 159 #define IOCTRL_BITS_8 (1 << 2) 160 #define IOCTRL_BITS_7 (1 << 3) 161 #define IOCTRL_BITS_6 (1 << 4) 162 #define IOCTRL_BITS_5 (1 << 5) 163 #define IOCTRL_STOP_2 (1 << 6) 164 #define IOCTRL_STOP_1 (1 << 7) 165 166 extern struct bug_ioinquiry *bugsys_ioinq(struct bug_ioinquiry *); 167 168 struct bug_rtc_rd { 169 u_int8_t rr_year; 170 u_int8_t rr_month; 171 u_int8_t rr_dayofmonth; 172 u_int8_t rr_dayofweek; 173 u_int8_t rr_hour; 174 u_int8_t rr_minute; 175 u_int8_t rr_second; 176 u_int8_t rr_calibration; 177 }; 178 179 extern void bugsys_rtc_rd(struct bug_rtc_rd *); 180 181 /* 182 * Information passed from bug to the bootstrap program when in PReP mode. 183 * 184 * Note: This is the only option for booting from disk... 185 */ 186 struct bug_prepinfo { 187 void *bpi_residual; /* PReP mode's "residual data" */ 188 void *bpi_loadaddr; /* Load address of bootstrap code */ 189 }; 190 191 /* 192 * Information passed when in traditional PPCBug mode 193 * 194 * Note: This appears to be the case for netboot only... 195 */ 196 struct bug_buginfo { 197 int bbi_clun; /* Boot controller LUN */ 198 int bbi_dlun; /* Boot device LUN */ 199 u_int32_t bbi_devaddr; /* PCI config. addr. of boot device */ 200 void *bbi_loadaddr; /* Load address of bootstrap code */ 201 void *bbi_ipaddr; /* Pointer to IP address parameters */ 202 const char *bbi_fnstart; /* Boot filename string start */ 203 const char *bbi_fnend; /* Boot filename string end */ 204 char *bbi_argstart; /* Boot argument string start */ 205 char *bbi_argend; /* Boot argument string end */ 206 }; 207 208 /* 209 * Structure passed into C code from srt0.S 210 */ 211 struct bug_bootinfo { 212 int bbi_bugmode; /* Non-zero if traditional bug boot */ 213 union { 214 struct bug_prepinfo bpi; 215 struct bug_buginfo bbi; 216 } bbi_bi; 217 }; 218 219 #endif /* __BUGSYSCALLS_H */ 220