LXR uboot/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 */
  47static int xilinx_validate (Xilinx_desc * desc, char *fn);
  48
  49/* ------------------------------------------------------------------------- */
  50
  51int xilinx_load (Xilinx_desc * desc, 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
  98int xilinx_dump (Xilinx_desc * desc, 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
 145int 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
 243static 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}
 266