common/xilinx.c

   1 /*
   2  * (C) Copyright 2002
   3  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
   4  * Keith Outwater, keith_outwater@mvis.com
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  *
  24  */
  25
  26 /*
  27  *  Xilinx FPGA support
  28  */
  29
  30 #include <common.h>
  31 #include <virtex2.h>
  32 #include <spartan2.h>
  33
  34 #if (CONFIG_FPGA & CFG_FPGA_XILINX)
  35
  36 #if 0
  37 #define FPGA_DEBUG
  38 #endif
  39
  40 /* Define FPGA_DEBUG to get debug printf's */
  41 #ifdef  FPGA_DEBUG
  42 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  43 #else
  44 #define PRINTF(fmt,args...)
  45 #endif
  46
  47 /* Local Static Functions */
  48 static int xilinx_validate (Xilinx_desc * desc, char *fn);
  49
  50 /* ------------------------------------------------------------------------- */
  51
  52 int xilinx_load (Xilinx_desc * desc, void *buf, size_t bsize)
  53 {
  54         int ret_val = FPGA_FAIL;        /* assume a failure */
  55
  56         if (!xilinx_validate (desc, __FUNCTION__)) {
  57                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
  58         } else
  59                 switch (desc->family) {
  60                 case Xilinx_Spartan2:
  61 #if (CONFIG_FPGA & CFG_SPARTAN2)
  62                         PRINTF ("%s: Launching the Spartan-II Loader...\n",
  63                                         __FUNCTION__);
  64                         ret_val = Spartan2_load (desc, buf, bsize);
  65 #else
  66                         printf ("%s: No support for Spartan-II devices.\n",
  67                                         __FUNCTION__);
  68 #endif
  69                         break;
  70                 case Xilinx_Virtex2:
  71 #if (CONFIG_FPGA & CFG_VIRTEX2)
  72                         PRINTF ("%s: Launching the Virtex-II Loader...\n",
  73                                         __FUNCTION__);
  74                         ret_val = Virtex2_load (desc, buf, bsize);
  75 #else
  76                         printf ("%s: No support for Virtex-II devices.\n",
  77                                         __FUNCTION__);
  78 #endif
  79                         break;
  80
  81                 default:
  82                         printf ("%s: Unsupported family type, %d\n",
  83                                         __FUNCTION__, desc->family);
  84                 }
  85
  86         return ret_val;
  87 }
  88
  89 int xilinx_dump (Xilinx_desc * desc, void *buf, size_t bsize)
  90 {
  91         int ret_val = FPGA_FAIL;        /* assume a failure */
  92
  93         if (!xilinx_validate (desc, __FUNCTION__)) {
  94                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
  95         } else
  96                 switch (desc->family) {
  97                 case Xilinx_Spartan2:
  98 #if (CONFIG_FPGA & CFG_SPARTAN2)
  99                         PRINTF ("%s: Launching the Spartan-II Reader...\n",
 100                                         __FUNCTION__);
 101                         ret_val = Spartan2_dump (desc, buf, bsize);
 102 #else
 103                         printf ("%s: No support for Spartan-II devices.\n",
 104                                         __FUNCTION__);
 105 #endif
 106                         break;
 107                 case Xilinx_Virtex2:
 108 #if (CONFIG_FPGA & CFG_VIRTEX2)
 109                         PRINTF ("%s: Launching the Virtex-II Reader...\n",
 110                                         __FUNCTION__);
 111                         ret_val = Virtex2_dump (desc, buf, bsize);
 112 #else
 113                         printf ("%s: No support for Virtex-II devices.\n",
 114                                         __FUNCTION__);
 115 #endif
 116                         break;
 117
 118                 default:
 119                         printf ("%s: Unsupported family type, %d\n",
 120                                         __FUNCTION__, desc->family);
 121                 }
 122
 123         return ret_val;
 124 }
 125
 126 int xilinx_info (Xilinx_desc * desc)
 127 {
 128         int ret_val = FPGA_FAIL;
 129
 130         if (xilinx_validate (desc, __FUNCTION__)) {
 131                 printf ("Family:        \t");
 132                 switch (desc->family) {
 133                 case Xilinx_Spartan2:
 134                         printf ("Spartan-II\n");
 135                         break;
 136                 case Xilinx_Virtex2:
 137                         printf ("Virtex-II\n");
 138                         break;
 139                         /* Add new family types here */
 140                 default:
 141                         printf ("Unknown family type, %d\n", desc->family);
 142                 }
 143
 144                 printf ("Interface type:\t");
 145                 switch (desc->iface) {
 146                 case slave_serial:
 147                         printf ("Slave Serial\n");
 148                         break;
 149                 case master_serial:     /* Not used */
 150                         printf ("Master Serial\n");
 151                         break;
 152                 case slave_parallel:
 153                         printf ("Slave Parallel\n");
 154                         break;
 155                 case jtag_mode:         /* Not used */
 156                         printf ("JTAG Mode\n");
 157                         break;
 158                 case slave_selectmap:
 159                         printf ("Slave SelectMap Mode\n");
 160                         break;
 161                 case master_selectmap:
 162                         printf ("Master SelectMap Mode\n");
 163                         break;
 164                         /* Add new interface types here */
 165                 default:
 166                         printf ("Unsupported interface type, %d\n", desc->iface);
 167                 }
 168
 169                 printf ("Device Size:   \t%d bytes\n"
 170                                 "Cookie:        \t0x%x (%d)\n",
 171                                 desc->size, desc->cookie, desc->cookie);
 172
 173                 if (desc->iface_fns) {
 174                         printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
 175                         switch (desc->family) {
 176                         case Xilinx_Spartan2:
 177 #if (CONFIG_FPGA & CFG_SPARTAN2)
 178                                 Spartan2_info (desc);
 179 #else
 180                                 /* just in case */
 181                                 printf ("%s: No support for Spartan-II devices.\n",
 182                                                 __FUNCTION__);
 183 #endif
 184                                 break;
 185                         case Xilinx_Virtex2:
 186 #if (CONFIG_FPGA & CFG_VIRTEX2)
 187                                 Virtex2_info (desc);
 188 #else
 189                                 /* just in case */
 190                                 printf ("%s: No support for Virtex-II devices.\n",
 191                                                 __FUNCTION__);
 192 #endif
 193                                 break;
 194                                 /* Add new family types here */
 195                         default:
 196                                 /* we don't need a message here - we give one up above */
 197                         }
 198                 } else
 199                         printf ("No Device Function Table.\n");
 200
 201                 ret_val = FPGA_SUCCESS;
 202         } else {
 203                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
 204         }
 205
 206         return ret_val;
 207 }
 208
 209 int xilinx_reloc (Xilinx_desc * desc, ulong reloc_offset)
 210 {
 211         int ret_val = FPGA_FAIL;        /* assume a failure */
 212
 213         if (!xilinx_validate (desc, __FUNCTION__)) {
 214                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
 215         } else
 216                 switch (desc->family) {
 217                 case Xilinx_Spartan2:
 218 #if (CONFIG_FPGA & CFG_SPARTAN2)
 219                         ret_val = Spartan2_reloc (desc, reloc_offset);
 220 #else
 221                         printf ("%s: No support for Spartan-II devices.\n",
 222                                         __FUNCTION__);
 223 #endif
 224                         break;
 225                 case Xilinx_Virtex2:
 226 #if (CONFIG_FPGA & CFG_VIRTEX2)
 227                         ret_val = Virtex2_reloc (desc, reloc_offset);
 228 #else
 229                         printf ("%s: No support for Virtex-II devices.\n",
 230                                         __FUNCTION__);
 231 #endif
 232                         break;
 233                         /* Add new family types here */
 234                 default:
 235                         printf ("%s: Unsupported family type, %d\n",
 236                                         __FUNCTION__, desc->family);
 237                 }
 238
 239         return ret_val;
 240 }
 241
 242
 243 /* ------------------------------------------------------------------------- */
 244
 245 static int xilinx_validate (Xilinx_desc * desc, char *fn)
 246 {
 247         int ret_val = FALSE;
 248
 249         if (desc) {
 250                 if ((desc->family > min_xilinx_type) &&
 251                         (desc->family < max_xilinx_type)) {
 252                         if ((desc->iface > min_xilinx_iface_type) &&
 253                                 (desc->iface < max_xilinx_iface_type)) {
 254                                 if (desc->size) {
 255                                         ret_val = TRUE;
 256                                 } else
 257                                         printf ("%s: NULL part size\n", fn);
 258                         } else
 259                                 printf ("%s: Invalid Interface type, %d\n",
 260                                                 fn, desc->iface);
 261                 } else
 262                         printf ("%s: Invalid family type, %d\n", fn, desc->family);
 263         } else
 264                 printf ("%s: NULL descriptor!\n", fn);
 265
 266         return ret_val;
 267 }
 268
 269 #endif                                                  /* CONFIG_FPGA & CFG_FPGA_XILINX */