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File indexing completed on 2025-05-11 08:23:58
0001 /* MotLoad VPD format */ 0002 0003 /* 0004 VPD = "MOTOROLA" , { field } 0005 0006 field = type, length, { data } 0007 */ 0008 0009 /* 0010 * Authorship 0011 * ---------- 0012 * This software ('beatnik' RTEMS BSP for MVME6100 and MVME5500) was 0013 * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007, 0014 * Stanford Linear Accelerator Center, Stanford University. 0015 * 0016 * Acknowledgement of sponsorship 0017 * ------------------------------ 0018 * The 'beatnik' BSP was produced by 0019 * the Stanford Linear Accelerator Center, Stanford University, 0020 * under Contract DE-AC03-76SFO0515 with the Department of Energy. 0021 * 0022 * Government disclaimer of liability 0023 * ---------------------------------- 0024 * Neither the United States nor the United States Department of Energy, 0025 * nor any of their employees, makes any warranty, express or implied, or 0026 * assumes any legal liability or responsibility for the accuracy, 0027 * completeness, or usefulness of any data, apparatus, product, or process 0028 * disclosed, or represents that its use would not infringe privately owned 0029 * rights. 0030 * 0031 * Stanford disclaimer of liability 0032 * -------------------------------- 0033 * Stanford University makes no representations or warranties, express or 0034 * implied, nor assumes any liability for the use of this software. 0035 * 0036 * Stanford disclaimer of copyright 0037 * -------------------------------- 0038 * Stanford University, owner of the copyright, hereby disclaims its 0039 * copyright and all other rights in this software. Hence, anyone may 0040 * freely use it for any purpose without restriction. 0041 * 0042 * Maintenance of notices 0043 * ---------------------- 0044 * In the interest of clarity regarding the origin and status of this 0045 * SLAC software, this and all the preceding Stanford University notices 0046 * are to remain affixed to any copy or derivative of this software made 0047 * or distributed by the recipient and are to be affixed to any copy of 0048 * software made or distributed by the recipient that contains a copy or 0049 * derivative of this software. 0050 * 0051 * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 0052 */ 0053 0054 #include <unistd.h> 0055 #include <rtems.h> 0056 #include <rtems/score/sysstate.h> 0057 #include <string.h> 0058 #include <sys/fcntl.h> 0059 #include <bsp.h> 0060 0061 #include <bsp/vpd.h> 0062 0063 /* FIXME XXX: all of the early i2c reading stuff should 0064 * be moved elsewhere. This file should only deal with 0065 * VPD. 0066 */ 0067 #include <rtems/libi2c.h> 0068 #define dev BSP_I2C_BUS_DESCRIPTOR 0069 extern rtems_libi2c_bus_t *dev; 0070 0071 #define init dev->ops->init 0072 #define start dev->ops->send_start 0073 #define addr dev->ops->send_addr 0074 #define write_bytes dev->ops->write_bytes 0075 0076 #define I2C_READ 1 0077 #define I2C_WRITE 0 0078 0079 static ssize_t (*read_bytes)(int fd, void *buf, size_t len) = 0; 0080 0081 static ssize_t early_fp = 0; 0082 0083 static ssize_t early_read(int fd, void *buf, size_t len) 0084 { 0085 ssize_t rval; 0086 rtems_libi2c_bus_t *d = (rtems_libi2c_bus_t*)fd; 0087 uint8_t fp[2]; 0088 0089 /* Always send the file-pointer. Some i2c controllers 0090 * (mpc8540) have 'pipelined' operation and do extra 0091 * read cycles so that a sequence of 0092 * 'read_bytes', 'read_bytes' does NOT return the true 0093 * sequence of bytes :-( 0094 */ 0095 start(d); 0096 addr(d, BSP_VPD_I2C_ADDR, I2C_WRITE); 0097 fp[0] = early_fp>>8; 0098 fp[1] = early_fp; 0099 write_bytes(dev,fp,2); 0100 0101 start(d); 0102 addr(d, BSP_VPD_I2C_ADDR, I2C_READ); 0103 rval = d->ops->read_bytes(d, buf, len); 0104 if ( rval > 0 ) 0105 early_fp += rval; 0106 return rval; 0107 } 0108 0109 static int early_close(int fd) 0110 { 0111 rtems_libi2c_bus_t *d = (rtems_libi2c_bus_t*)fd; 0112 return d->ops->send_stop(d); 0113 } 0114 0115 static int read_buf(int fd, void *buf, size_t len) 0116 { 0117 int got, rval = 0; 0118 while ( len > 0 ) { 0119 if ( (got = read_bytes(fd, buf+rval, len)) <= 0 ) 0120 return -1; 0121 len -= got; 0122 rval+= got; 0123 } 0124 return rval; 0125 } 0126 0127 /* Not Efficient but simple */ 0128 int 0129 BSP_vpdRetrieveFields(VpdBuf data) 0130 { 0131 VpdBuf b, b1; 0132 VpdKey k; 0133 int l,fd = -1, put, got; 0134 int rval = -1; 0135 unsigned char mot[9]; 0136 static int (*stop)(int fd); 0137 0138 memset(mot,0,sizeof(mot)); 0139 0140 if ( 0 && _System_state_Is_up(_System_state_Get()) ) { 0141 read_bytes = read; 0142 stop = close; 0143 fd = open(BSP_I2C_VPD_EEPROM_DEV_NAME, 0); 0144 if ( fd < 0 ) 0145 return -1; 0146 } else { 0147 fd = (int)dev; 0148 /* 0149 init(dev); 0150 * 0151 * Hangs - probably would need a delay here - just leave motload settings 0152 */ 0153 0154 read_bytes = early_read; 0155 stop = early_close; 0156 } 0157 0158 if ( read_bytes(fd, mot, 8) < 8 ) { 0159 goto bail; 0160 } 0161 0162 if ( strcmp((char*)mot,"MOTOROLA") ) 0163 goto bail; 0164 0165 l = 0; 0166 do { 0167 0168 /* skip field -- this is not done the first time since l=0 */ 0169 while ( l > sizeof(mot) ) { 0170 got = read_buf(fd, mot, sizeof(mot)); 0171 if ( got < 1 ) 0172 goto bail; 0173 l -= got; 0174 } 0175 if ( read_buf(fd, mot, l) < 0 ) 0176 goto bail; 0177 0178 /* now get a new header */ 0179 if ( read_buf(fd, mot, 2) < 2 ) 0180 goto bail; 0181 0182 k = mot[0]; 0183 l = mot[1]; 0184 0185 for ( b = data; b->key != End; b++ ) { 0186 if ( b->key == k && (signed char)b->instance >= 0 ) { 0187 if ( 0 == b->instance-- ) { 0188 /* found 'instance' of field 'type' */ 0189 0190 /* limit to buffer size */ 0191 put = b->buflen > l ? l : b->buflen; 0192 if ( read_buf(fd, b->buf, put) < put ) 0193 goto bail; 0194 0195 /* if this instance is multiply requested, copy the data */ 0196 for ( b1 = b + 1; b1->key != End; b1++ ) { 0197 if ( b1->key == k && 0 == b1->instance ) { 0198 b1->instance--; 0199 /* we dont' handle the case where 0200 * the first buffer couldn't hold the entire 0201 * item but this one could... 0202 */ 0203 memcpy(b1->buf, b->buf, put); 0204 b1->found = mot[1]; 0205 } 0206 } 0207 0208 l -= put; 0209 b->found = mot[1]; 0210 } 0211 } 0212 } 0213 0214 } while ( k != End ); 0215 0216 rval = 0; 0217 0218 bail: 0219 0220 stop(fd); 0221 return rval; 0222 } 0223 0224 int 0225 BSP_vpdRetrieveKey(VpdKey k, void *buf, int len, int inst) 0226 { 0227 VpdBufRec d[] = { 0228 { key: k, buf: buf, buflen: len, instance: inst }, 0229 VPD_END 0230 }; 0231 return BSP_vpdRetrieveFields(d) ? -1 : d[0].found; 0232 } 0233 0234 /* 0235 005C3000 4D4F544F 524F4C41 0200010D 4D564D45 MOTOROLA....MVME 0236 005C3010 35353030 2D303136 31020C30 312D5733 5500-0161..01-W3 0237 005C3020 38323946 30324803 07373237 39303630 829F02H..7279060 0238 005C3030 05053B9A CA000106 0507F281 55010807 ..;.........U... 0239 005C3040 0001AF12 CA780008 070001AF 12CA7901 .....x........y. 0240 005C3050 09043734 35350A04 D3223DD0 0B0C0089 ..7455..."=..... 0241 005C3060 00181002 02101000 78070B0C FFFFFFFF ........x....... 0242 005C3070 10020210 10017805 0E0FFFFF FFFFFFFF ......x......... 0243 005C3080 FFFFFF01 FF01FFFF FF0F0400 03000019 ................ 0244 005C3090 0A010107 02030000 000100FF FFFFFFFF ................ 0245 005C30A0 FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF ................ 0246 005C30B0 FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF ................ 0247 005C30C0 00000000 00000000 00000000 00000000 ................ 0248 005C30D0 00000000 00000000 00000000 00000000 ................ 0249 005C30E0 00000000 00000000 00000000 00000000 ................ 0250 005C30F0 00000000 00000000 00000000 00000000 ................ 0251 0252 Product Identifier : MVME5500-0161 0253 Manufacturing Assembly Number : 01-W3829F02H 0254 Serial Number : 7279060 0255 Internal Clock Speed (Hertz) : 3B9ACA00 (&1000000000) 0256 External Clock Speed (Hertz) : 07F28155 (&133333333) 0257 Ethernet Address : 00 01 AF 12 CA 78 00 0258 Ethernet Address : 00 01 AF 12 CA 79 01 0259 Microprocessor Type : 7455 0260 SROM/EEPROM CRC : D3223DD0 (&-752730672) 0261 Flash Memory Configuration : 00 89 00 18 10 02 02 10 0262 : 10 00 78 07 0263 Flash Memory Configuration : FF FF FF FF 10 02 02 10 0264 : 10 01 78 05 0265 L2 Cache Configuration : FF FF FF FF FF FF FF FF 0266 : FF 01 FF 01 FF FF FF 0267 VPD Revision : 00 03 00 00 0268 L3 Cache Configuration : 01 01 07 02 03 00 00 00 0269 : 01 00 0270 0271 0272 0273 0274 0x01889128: 4d4f544f 524f4c41 02000f04 00030000 MOTOROLA........ 0275 0x01889138: 060507f2 81550101 0d4d564d 45363130 .....U...MVME610 0276 0x01889148: 302d3031 3631020c 30312d57 33383738 0-0161..01-W3878 0277 0x01889158: 46303144 03073732 33313137 300e0fff F01D..7231170... 0278 0x01889168: ffffffff ffffffff 01ff01ff ffff190a ................ 0279 0x01889178: 01000002 03000000 01000904 37343537 ............7457 0280 0x01889188: 0a047277 144d0807 0001af13 b53c0008 ..rw.M.......<.. 0281 0x01889198: 070001af 13b53d01 0b0c0089 00031002 ......=......... 0282 0x018891a8: 02101000 78080b0c 00890003 10020210 ....x........... 0283 0x018891b8: 10017808 ffffffff ffffffff ffffffff ..x............. 0284 0x018891c8: ffffffff ffffffff ffffffff ffffffff ................ 0285 0x018891d8: ffffffff ffffffff ffffffff ffffffff ................ 0286 0x018891e8: ffffffff ffffffff ........ 0287 0x00000000 (0) 0288 0289 0x003895c0: 4d4f544f 524f4c41 02000f04 00030000 MOTOROLA........ 0290 0x003895d0: 060503f9 40aa0101 0d4d564d 45333130 ....@....MVME310 0291 0x003895e0: 302d3132 3633020c 30312d57 33383933 0-1263..01-W3893 0292 0x003895f0: 46303143 03073734 35383831 340e0fff F01C..7458814... 0293 0x00389600: ffffffff ffffffff 01ff01ff ffff0904 ................ 0294 0x00389610: 38353430 0a047129 d2d60807 0001af16 8540..q)........ 0295 0x00389620: e5c50008 070001af 16e5c601 08070001 ................ 0296 0x00389630: af16e5c7 020b0c00 017e2310 02021010 .........~#..... 0297 0x00389640: 006409ff ffffffff ffffffff ffffffff .d.............. 0298 0x00389650: ffffffff ffffffff ffffffff ffffffff ................ 0299 0x00389660: ffffffff ffffffff ffffffff ffffffff ................ 0300 0x00389670: ffffffff ffffffff ffffffff ffffffff ................ 0301 0x00389680: ffffffff ffffffff ffffffff ffffffff ................ 0302 0x00389690: ffffffff ffffffff ffffffff ffffffff ................ 0303 0x003896a0: ffffffff ffffffff ffffffff ffffffff ................ 0304 0x003896b0: ffffffff ffffffff ffffffff ffffffff ................ 0305 0306 MVME3100> vpdDisplay 0307 VPD Revision : 00 03 00 00 0308 External Clock Speed (Hertz) : 03F940AA (&66666666) 0309 Product Identifier : MVME3100-1263 0310 Manufacturing Assembly Number : 01-W3893F01C 0311 Serial Number : 7458814 0312 L2 Cache Configuration : FF FF FF FF FF FF FF FF 0313 : FF 01 FF 01 FF FF FF 0314 Microprocessor Type : 8540 0315 SROM/EEPROM CRC : 7129D2D6 (&1898566358) 0316 Ethernet Address : 00 01 AF 16 E5 C5 00 0317 Ethernet Address : 00 01 AF 16 E5 C6 01 0318 Ethernet Address : 00 01 AF 16 E5 C7 02 0319 Flash Memory Configuration : 00 01 7E 23 10 02 02 10 0320 : 10 00 64 09 0321 0322 */
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