drivers/fpga/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 #include <spartan3.h>
  34
  35 #if 0
  36 #define FPGA_DEBUG
  37 #endif
  38
  39 /* Define FPGA_DEBUG to get debug printf's */
  40 #ifdef  FPGA_DEBUG
  41 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  42 #else
  43 #define PRINTF(fmt,args...)
  44 #endif
  45
  46 /* Local Static Functions */
  47 static int xilinx_validate (Xilinx_desc * desc, char *fn);
  48
  49 /* ------------------------------------------------------------------------- */
  50
  51 int xilinx_load(Xilinx_desc *desc, const void *buf, size_t bsize)
  52 {
  53         int ret_val = FPGA_FAIL;        /* assume a failure */
  54
  55         if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
  56                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
  57         } else
  58                 switch (desc->family) {
  59                 case Xilinx_Spartan2:
  60 #if defined(CONFIG_FPGA_SPARTAN2)
  61                         PRINTF ("%s: Launching the Spartan-II Loader...\n",
  62                                         __FUNCTION__);
  63                         ret_val = Spartan2_load (desc, buf, bsize);
  64 #else
  65                         printf ("%s: No support for Spartan-II devices.\n",
  66                                         __FUNCTION__);
  67 #endif
  68                         break;
  69                 case Xilinx_Spartan3:
  70 #if defined(CONFIG_FPGA_SPARTAN3)
  71                         PRINTF ("%s: Launching the Spartan-III Loader...\n",
  72                                         __FUNCTION__);
  73                         ret_val = Spartan3_load (desc, buf, bsize);
  74 #else
  75                         printf ("%s: No support for Spartan-III devices.\n",
  76                                         __FUNCTION__);
  77 #endif
  78                         break;
  79                 case Xilinx_Virtex2:
  80 #if defined(CONFIG_FPGA_VIRTEX2)
  81                         PRINTF ("%s: Launching the Virtex-II Loader...\n",
  82                                         __FUNCTION__);
  83                         ret_val = Virtex2_load (desc, buf, bsize);
  84 #else
  85                         printf ("%s: No support for Virtex-II devices.\n",
  86                                         __FUNCTION__);
  87 #endif
  88                         break;
  89
  90                 default:
  91                         printf ("%s: Unsupported family type, %d\n",
  92                                         __FUNCTION__, desc->family);
  93                 }
  94
  95         return ret_val;
  96 }
  97
  98 int xilinx_dump(Xilinx_desc *desc, const void *buf, size_t bsize)
  99 {
 100         int ret_val = FPGA_FAIL;        /* assume a failure */
 101
 102         if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
 103                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
 104         } else
 105                 switch (desc->family) {
 106                 case Xilinx_Spartan2:
 107 #if defined(CONFIG_FPGA_SPARTAN2)
 108                         PRINTF ("%s: Launching the Spartan-II Reader...\n",
 109                                         __FUNCTION__);
 110                         ret_val = Spartan2_dump (desc, buf, bsize);
 111 #else
 112                         printf ("%s: No support for Spartan-II devices.\n",
 113                                         __FUNCTION__);
 114 #endif
 115                         break;
 116                 case Xilinx_Spartan3:
 117 #if defined(CONFIG_FPGA_SPARTAN3)
 118                         PRINTF ("%s: Launching the Spartan-III Reader...\n",
 119                                         __FUNCTION__);
 120                         ret_val = Spartan3_dump (desc, buf, bsize);
 121 #else
 122                         printf ("%s: No support for Spartan-III devices.\n",
 123                                         __FUNCTION__);
 124 #endif
 125                         break;
 126                 case Xilinx_Virtex2:
 127 #if defined( CONFIG_FPGA_VIRTEX2)
 128                         PRINTF ("%s: Launching the Virtex-II Reader...\n",
 129                                         __FUNCTION__);
 130                         ret_val = Virtex2_dump (desc, buf, bsize);
 131 #else
 132                         printf ("%s: No support for Virtex-II devices.\n",
 133                                         __FUNCTION__);
 134 #endif
 135                         break;
 136
 137                 default:
 138                         printf ("%s: Unsupported family type, %d\n",
 139                                         __FUNCTION__, desc->family);
 140                 }
 141
 142         return ret_val;
 143 }
 144
 145 int xilinx_info (Xilinx_desc * desc)
 146 {
 147         int ret_val = FPGA_FAIL;
 148
 149         if (xilinx_validate (desc, (char *)__FUNCTION__)) {
 150                 printf ("Family:        \t");
 151                 switch (desc->family) {
 152                 case Xilinx_Spartan2:
 153                         printf ("Spartan-II\n");
 154                         break;
 155                 case Xilinx_Spartan3:
 156                         printf ("Spartan-III\n");
 157                         break;
 158                 case Xilinx_Virtex2:
 159                         printf ("Virtex-II\n");
 160                         break;
 161                         /* Add new family types here */
 162                 default:
 163                         printf ("Unknown family type, %d\n", desc->family);
 164                 }
 165
 166                 printf ("Interface type:\t");
 167                 switch (desc->iface) {
 168                 case slave_serial:
 169                         printf ("Slave Serial\n");
 170                         break;
 171                 case master_serial:     /* Not used */
 172                         printf ("Master Serial\n");
 173                         break;
 174                 case slave_parallel:
 175                         printf ("Slave Parallel\n");
 176                         break;
 177                 case jtag_mode:         /* Not used */
 178                         printf ("JTAG Mode\n");
 179                         break;
 180                 case slave_selectmap:
 181                         printf ("Slave SelectMap Mode\n");
 182                         break;
 183                 case master_selectmap:
 184                         printf ("Master SelectMap Mode\n");
 185                         break;
 186                         /* Add new interface types here */
 187                 default:
 188                         printf ("Unsupported interface type, %d\n", desc->iface);
 189                 }
 190
 191                 printf ("Device Size:   \t%d bytes\n"
 192                                 "Cookie:        \t0x%x (%d)\n",
 193                                 desc->size, desc->cookie, desc->cookie);
 194
 195                 if (desc->iface_fns) {
 196                         printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
 197                         switch (desc->family) {
 198                         case Xilinx_Spartan2:
 199 #if defined(CONFIG_FPGA_SPARTAN2)
 200                                 Spartan2_info (desc);
 201 #else
 202                                 /* just in case */
 203                                 printf ("%s: No support for Spartan-II devices.\n",
 204                                                 __FUNCTION__);
 205 #endif
 206                                 break;
 207                         case Xilinx_Spartan3:
 208 #if defined(CONFIG_FPGA_SPARTAN3)
 209                                 Spartan3_info (desc);
 210 #else
 211                                 /* just in case */
 212                                 printf ("%s: No support for Spartan-III devices.\n",
 213                                                 __FUNCTION__);
 214 #endif
 215                                 break;
 216                         case Xilinx_Virtex2:
 217 #if defined(CONFIG_FPGA_VIRTEX2)
 218                                 Virtex2_info (desc);
 219 #else
 220                                 /* just in case */
 221                                 printf ("%s: No support for Virtex-II devices.\n",
 222                                                 __FUNCTION__);
 223 #endif
 224                                 break;
 225                                 /* Add new family types here */
 226                         default:
 227                                 /* we don't need a message here - we give one up above */
 228                                 ;
 229                         }
 230                 } else
 231                         printf ("No Device Function Table.\n");
 232
 233                 ret_val = FPGA_SUCCESS;
 234         } else {
 235                 printf ("%s: Invalid device descriptor\n", __FUNCTION__);
 236         }
 237
 238         return ret_val;
 239 }
 240
 241 /* ------------------------------------------------------------------------- */
 242
 243 static int xilinx_validate (Xilinx_desc * desc, char *fn)
 244 {
 245         int ret_val = FALSE;
 246
 247         if (desc) {
 248                 if ((desc->family > min_xilinx_type) &&
 249                         (desc->family < max_xilinx_type)) {
 250                         if ((desc->iface > min_xilinx_iface_type) &&
 251                                 (desc->iface < max_xilinx_iface_type)) {
 252                                 if (desc->size) {
 253                                         ret_val = TRUE;
 254                                 } else
 255                                         printf ("%s: NULL part size\n", fn);
 256                         } else
 257                                 printf ("%s: Invalid Interface type, %d\n",
 258                                                 fn, desc->iface);
 259                 } else
 260                         printf ("%s: Invalid family type, %d\n", fn, desc->family);
 261         } else
 262                 printf ("%s: NULL descriptor!\n", fn);
 263
 264         return ret_val;
 265 }