1 /* $NetBSD: bugsyscalls.h,v 1.1 2002/02/27 21:02:27 scw 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef __BUGSYSCALLS_H 40 #define __BUGSYSCALLS_H 41 42 /* 43 * Basic Console I/O system calls 44 */ 45 extern char bugsys_inchr(void); 46 extern void bugsys_outchr(char); 47 extern int bugsys_instat(void); 48 49 50 /* 51 * Basic Disk I/O system calls 52 */ 53 struct bug_diskio { 54 u_int8_t dc_clun; /* Controller LUN for operation */ 55 u_int8_t dc_dlun; /* Device LUN for operation */ 56 u_int16_t dc_status; /* Completion status written here */ 57 void *dc_buffer; /* Pointer to dest/src buffer */ 58 u_int32_t dc_block; /* Starting block/file-number */ 59 u_int16_t dc_nblocks; /* Number of blocks to transfer */ 60 u_int8_t dc_flag; /* Flag (see below) */ 61 u_int8_t dc_am; /* VMEbus address modifier, or zero */ 62 }; 63 #define BUG_DISKCMD_FLAG_FILEMARK (1 << 7) 64 #define BUG_DISKCMD_FLAG_IFN (1 << 1) 65 #define BUG_DISKCMD_FLAG_EOF (1 << 0) 66 67 extern int bugsys_dskrd(struct bug_diskio *); 68 extern int bugsys_dskwr(struct bug_diskio *); 69 70 /* 71 * Basic Nework I/O system calls 72 */ 73 struct bug_netio { 74 u_int8_t nc_clun; /* Controller LUN for operation */ 75 u_int8_t nc_dlun; /* Device LUN for operation */ 76 u_int16_t nc_status; /* Completion status written here */ 77 u_int32_t nc_command; /* Command identifier */ 78 void *nc_buffer; /* Pointer to dest/src data buffer */ 79 u_int32_t nc_length; /* Number of bytes of data */ 80 u_int32_t nc_csr; /* Status/Control flags */ 81 }; 82 #define BUG_NETIO_CMD_INIT 0x0 /* Initialise Device/Channel/Node */ 83 #define BUG_NETIO_CMD_GET_MAC 0x1 /* Get ethernet MAC address */ 84 #define BUG_NETIO_CMD_TRANSMIT 0x2 /* Transmit a packet of data */ 85 #define BUG_NETIO_CMD_RECEIVE 0x3 /* Receive a packet of data */ 86 #define BUG_NETIO_CMD_FLUSH 0x4 /* Flush receive buffers */ 87 #define BUG_NETIO_CMD_RESET 0x5 /* Reset Device/Channel/Node */ 88 89 #define BUG_NETIO_CSR_RX_COMPLETE (1<<16) 90 91 extern int bugsys_netio(struct bug_netio *); 92 93 /* 94 * Miscellaneous system calls 95 */ 96 extern void bugsys_delay(int); 97 98 struct bug_boardid { 99 u_int32_t bi_eyecatcher; /* Eye catcher pattern */ 100 u_int8_t bi_rev; /* PPCBug Revision, in BCD */ 101 u_int8_t bi_month; /* PPCBug Month, in BCD */ 102 u_int8_t bi_day; /* PPCBug Day, in BCD */ 103 u_int8_t bi_year; /* PPCBug Year, in BCD */ 104 u_int16_t bi_size; /* Size of this structure */ 105 u_int16_t bi_resvd; 106 u_int16_t bi_bnumber; /* Board number, in BCD */ 107 u_int16_t bi_bsuffix; /* Board suffix, in BCD */ 108 u_int32_t bi_options; /* Board options. See below */ 109 u_int16_t bi_clun; /* Boot device CLUN */ 110 u_int16_t bi_dlun; /* Boot device DLUN */ 111 u_int16_t bi_devtype; /* Boot device type. See below */ 112 u_int16_t bi_devnumber; /* Boot device number */ 113 u_int32_t bi_resvd2; 114 }; 115 #define BUG_BOARDID_OPT_CPU_MASK 0x0f 116 #define BUG_BOARDID_OPT_CPU_SHIFT 0 117 #define BUG_BOARDID_OPT_CPU_MPC620 1 118 #define BUG_BOARDID_OPT_CPU_MPC601 1 119 #define BUG_BOARDID_OPT_CPU_MPC602 2 120 #define BUG_BOARDID_OPT_CPU_MPC603 3 121 #define BUG_BOARDID_OPT_CPU_MPC604 4 122 #define BUG_BOARDID_OPT_FAMILY_MASK 0x07 123 #define BUG_BOARDID_OPT_FAMILY_SHIFT 6 124 #define BUG_BOARDID_OPT_FAMILY_MPC600 2 125 #define BUG_BOARDID_OPT_FPC (1 << 7) 126 #define BUG_BOARDID_OPT_MMU (1 << 8) 127 #define BUG_BOARDID_OPT_MMB (1 << 9) 128 129 #define BUG_BOARDID_DEVTYPE_DIRECT 0 /* Direct Access Device (disk) */ 130 #define BUG_BOARDID_DEVTYPE_SEQ 1 /* Sequential Access Device (tape) */ 131 #define BUG_BOARDID_DEVTYPE_PRINTER 2 /* Printer device */ 132 #define BUG_BOARDID_DEVTYPE_PROCESSOR 3 /* Processor device */ 133 #define BUG_BOARDID_DEVTYPE_WORM 4 /* WORM device */ 134 #define BUG_BOARDID_DEVTYPE_CDROM 5 /* CD-ROM device */ 135 #define BUG_BOARDID_DEVTYPE_SCANNER 6 /* Scanner device */ 136 #define BUG_BOARDID_DEVTYPE_OPTICAL 7 /* Optical memory device */ 137 #define BUG_BOARDID_DEVTYPE_CHANGER 8 /* Medium Changer device */ 138 #define BUG_BOARDID_DEVTYPE_COMMS 9 /* Communications device */ 139 140 extern struct bug_boardid *bugsys_brdid(void); 141 142 struct bug_ioinquiry { 143 u_int32_t ii_portnum; /* Port number */ 144 char *ii_boardname; /* Board name pointer */ 145 u_int32_t ii_channel; /* Channel number */ 146 u_int32_t ii_devaddr; /* Device address */ 147 u_int32_t ii_concurmode; /* Concurrent mode */ 148 u_int32_t ii_modemid; /* Modem ID */ 149 struct bug_ioctrl *ii_ioctrl; /* I/O control struction pointer */ 150 u_int32_t ii_error; /* Error code */ 151 u_int32_t ii_resvd[3]; 152 }; 153 #define BUG_IOINQ_PORT_CONSOLE 0xffffffff 154 155 struct bug_ioctrl { 156 u_int32_t ic_ctrlbits; 157 u_int32_t ic_baud; 158 u_int32_t ic_protocol; 159 u_int32_t ic_sync1; 160 u_int32_t ic_sync2; 161 u_int32_t ic_xonchar; 162 u_int32_t ic_xoffchar; 163 }; 164 #define IOCTRL_PARITY_ODD (1 << 0) 165 #define IOCTRL_PARITY_EVEN (1 << 1) 166 #define IOCTRL_BITS_8 (1 << 2) 167 #define IOCTRL_BITS_7 (1 << 3) 168 #define IOCTRL_BITS_6 (1 << 4) 169 #define IOCTRL_BITS_5 (1 << 5) 170 #define IOCTRL_STOP_2 (1 << 6) 171 #define IOCTRL_STOP_1 (1 << 7) 172 173 extern struct bug_ioinquiry *bugsys_ioinq(struct bug_ioinquiry *); 174 175 struct bug_rtc_rd { 176 u_int8_t rr_year; 177 u_int8_t rr_month; 178 u_int8_t rr_dayofmonth; 179 u_int8_t rr_dayofweek; 180 u_int8_t rr_hour; 181 u_int8_t rr_minute; 182 u_int8_t rr_second; 183 u_int8_t rr_calibration; 184 }; 185 186 extern void bugsys_rtc_rd(struct bug_rtc_rd *); 187 188 /* 189 * Information passed from bug to the bootstrap program when in PReP mode. 190 * 191 * Note: This is the only option for booting from disk... 192 */ 193 struct bug_prepinfo { 194 void *bpi_residual; /* PReP mode's "residual data" */ 195 void *bpi_loadaddr; /* Load address of bootstrap code */ 196 }; 197 198 /* 199 * Information passed when in traditional PPCBug mode 200 * 201 * Note: This appears to be the case for netboot only... 202 */ 203 struct bug_buginfo { 204 int bbi_clun; /* Boot controller LUN */ 205 int bbi_dlun; /* Boot device LUN */ 206 u_int32_t bbi_devaddr; /* PCI config. addr. of boot device */ 207 void *bbi_loadaddr; /* Load address of bootstrap code */ 208 void *bbi_ipaddr; /* Pointer to IP address parameters */ 209 const char *bbi_fnstart; /* Boot filename string start */ 210 const char *bbi_fnend; /* Boot filename string end */ 211 char *bbi_argstart; /* Boot argument string start */ 212 char *bbi_argend; /* Boot argument string end */ 213 }; 214 215 /* 216 * Structure passed into C code from srt0.S 217 */ 218 struct bug_bootinfo { 219 int bbi_bugmode; /* Non-zero if traditional bug boot */ 220 union { 221 struct bug_prepinfo bpi; 222 struct bug_buginfo bbi; 223 } bbi_bi; 224 }; 225 226 #endif /* __BUGSYSCALLS_H */ 227