/* * (C) Copyright 2012-2013, Xilinx, Michal Simek * * (C) Copyright 2002 * Rich Ireland, Enterasys Networks, rireland@enterasys.com. * Keith Outwater, keith_outwater@mvis.com * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ /* * Xilinx FPGA support */ #include #include #include #include #include #if 0 #define FPGA_DEBUG #endif /* Define FPGA_DEBUG to get debug printf's */ #ifdef FPGA_DEBUG #define PRINTF(fmt,args...) printf (fmt ,##args) #else #define PRINTF(fmt,args...) #endif /* Local Static Functions */ static int xilinx_validate (Xilinx_desc * desc, char *fn); /* ------------------------------------------------------------------------- */ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) { unsigned int length; unsigned int swapsize; char buffer[80]; unsigned char *dataptr; unsigned int i; dataptr = (unsigned char *)fpgadata; /* skip the first bytes of the bitsteam, their meaning is unknown */ length = (*dataptr << 8) + *(dataptr + 1); dataptr += 2; dataptr += length; /* get design name (identifier, length, string) */ length = (*dataptr << 8) + *(dataptr + 1); dataptr += 2; if (*dataptr++ != 0x61) { debug("%s: Design name id not recognized in bitstream\n", __func__); return FPGA_FAIL; } length = (*dataptr << 8) + *(dataptr + 1); dataptr += 2; for (i = 0; i < length; i++) buffer[i] = *dataptr++; printf(" design filename = \"%s\"\n", buffer); /* get part number (identifier, length, string) */ if (*dataptr++ != 0x62) { printf("%s: Part number id not recognized in bitstream\n", __func__); return FPGA_FAIL; } length = (*dataptr << 8) + *(dataptr + 1); dataptr += 2; for (i = 0; i < length; i++) buffer[i] = *dataptr++; printf(" part number = \"%s\"\n", buffer); /* get date (identifier, length, string) */ if (*dataptr++ != 0x63) { printf("%s: Date identifier not recognized in bitstream\n", __func__); return FPGA_FAIL; } length = (*dataptr << 8) + *(dataptr+1); dataptr += 2; for (i = 0; i < length; i++) buffer[i] = *dataptr++; printf(" date = \"%s\"\n", buffer); /* get time (identifier, length, string) */ if (*dataptr++ != 0x64) { printf("%s: Time identifier not recognized in bitstream\n", __func__); return FPGA_FAIL; } length = (*dataptr << 8) + *(dataptr+1); dataptr += 2; for (i = 0; i < length; i++) buffer[i] = *dataptr++; printf(" time = \"%s\"\n", buffer); /* get fpga data length (identifier, length) */ if (*dataptr++ != 0x65) { printf("%s: Data length id not recognized in bitstream\n", __func__); return FPGA_FAIL; } swapsize = ((unsigned int) *dataptr << 24) + ((unsigned int) *(dataptr + 1) << 16) + ((unsigned int) *(dataptr + 2) << 8) + ((unsigned int) *(dataptr + 3)); dataptr += 4; printf(" bytes in bitstream = %d\n", swapsize); return fpga_load(devnum, dataptr, swapsize); } int xilinx_load(Xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume a failure */ if (!xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("%s: Invalid device descriptor\n", __FUNCTION__); } else switch (desc->family) { case Xilinx_Spartan2: #if defined(CONFIG_FPGA_SPARTAN2) PRINTF ("%s: Launching the Spartan-II Loader...\n", __FUNCTION__); ret_val = Spartan2_load (desc, buf, bsize); #else printf ("%s: No support for Spartan-II devices.\n", __FUNCTION__); #endif break; case Xilinx_Spartan3: #if defined(CONFIG_FPGA_SPARTAN3) PRINTF ("%s: Launching the Spartan-III Loader...\n", __FUNCTION__); ret_val = Spartan3_load (desc, buf, bsize); #else printf ("%s: No support for Spartan-III devices.\n", __FUNCTION__); #endif break; case Xilinx_Virtex2: #if defined(CONFIG_FPGA_VIRTEX2) PRINTF ("%s: Launching the Virtex-II Loader...\n", __FUNCTION__); ret_val = Virtex2_load (desc, buf, bsize); #else printf ("%s: No support for Virtex-II devices.\n", __FUNCTION__); #endif break; case xilinx_zynq: #if defined(CONFIG_FPGA_ZYNQPL) PRINTF("%s: Launching the Zynq PL Loader...\n", __func__); ret_val = zynq_load(desc, buf, bsize); #else printf("%s: No support for Zynq devices.\n", __func__); #endif break; default: printf ("%s: Unsupported family type, %d\n", __FUNCTION__, desc->family); } return ret_val; } int xilinx_dump(Xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume a failure */ if (!xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("%s: Invalid device descriptor\n", __FUNCTION__); } else switch (desc->family) { case Xilinx_Spartan2: #if defined(CONFIG_FPGA_SPARTAN2) PRINTF ("%s: Launching the Spartan-II Reader...\n", __FUNCTION__); ret_val = Spartan2_dump (desc, buf, bsize); #else printf ("%s: No support for Spartan-II devices.\n", __FUNCTION__); #endif break; case Xilinx_Spartan3: #if defined(CONFIG_FPGA_SPARTAN3) PRINTF ("%s: Launching the Spartan-III Reader...\n", __FUNCTION__); ret_val = Spartan3_dump (desc, buf, bsize); #else printf ("%s: No support for Spartan-III devices.\n", __FUNCTION__); #endif break; case Xilinx_Virtex2: #if defined( CONFIG_FPGA_VIRTEX2) PRINTF ("%s: Launching the Virtex-II Reader...\n", __FUNCTION__); ret_val = Virtex2_dump (desc, buf, bsize); #else printf ("%s: No support for Virtex-II devices.\n", __FUNCTION__); #endif break; case xilinx_zynq: #if defined(CONFIG_FPGA_ZYNQPL) PRINTF("%s: Launching the Zynq PL Reader...\n", __func__); ret_val = zynq_dump(desc, buf, bsize); #else printf("%s: No support for Zynq devices.\n", __func__); #endif break; default: printf ("%s: Unsupported family type, %d\n", __FUNCTION__, desc->family); } return ret_val; } int xilinx_info (Xilinx_desc * desc) { int ret_val = FPGA_FAIL; if (xilinx_validate (desc, (char *)__FUNCTION__)) { printf ("Family: \t"); switch (desc->family) { case Xilinx_Spartan2: printf ("Spartan-II\n"); break; case Xilinx_Spartan3: printf ("Spartan-III\n"); break; case Xilinx_Virtex2: printf ("Virtex-II\n"); break; case xilinx_zynq: printf("Zynq PL\n"); break; /* Add new family types here */ default: printf ("Unknown family type, %d\n", desc->family); } printf ("Interface type:\t"); switch (desc->iface) { case slave_serial: printf ("Slave Serial\n"); break; case master_serial: /* Not used */ printf ("Master Serial\n"); break; case slave_parallel: printf ("Slave Parallel\n"); break; case jtag_mode: /* Not used */ printf ("JTAG Mode\n"); break; case slave_selectmap: printf ("Slave SelectMap Mode\n"); break; case master_selectmap: printf ("Master SelectMap Mode\n"); break; case devcfg: printf("Device configuration interface (Zynq)\n"); break; /* Add new interface types here */ default: printf ("Unsupported interface type, %d\n", desc->iface); } printf ("Device Size: \t%d bytes\n" "Cookie: \t0x%x (%d)\n", desc->size, desc->cookie, desc->cookie); if (desc->iface_fns) { printf ("Device Function Table @ 0x%p\n", desc->iface_fns); switch (desc->family) { case Xilinx_Spartan2: #if defined(CONFIG_FPGA_SPARTAN2) Spartan2_info (desc); #else /* just in case */ printf ("%s: No support for Spartan-II devices.\n", __FUNCTION__); #endif break; case Xilinx_Spartan3: #if defined(CONFIG_FPGA_SPARTAN3) Spartan3_info (desc); #else /* just in case */ printf ("%s: No support for Spartan-III devices.\n", __FUNCTION__); #endif break; case Xilinx_Virtex2: #if defined(CONFIG_FPGA_VIRTEX2) Virtex2_info (desc); #else /* just in case */ printf ("%s: No support for Virtex-II devices.\n", __FUNCTION__); #endif break; case xilinx_zynq: #if defined(CONFIG_FPGA_ZYNQPL) zynq_info(desc); #else /* just in case */ printf("%s: No support for Zynq devices.\n", __func__); #endif /* Add new family types here */ default: /* we don't need a message here - we give one up above */ ; } } else printf ("No Device Function Table.\n"); ret_val = FPGA_SUCCESS; } else { printf ("%s: Invalid device descriptor\n", __FUNCTION__); } return ret_val; } /* ------------------------------------------------------------------------- */ static int xilinx_validate (Xilinx_desc * desc, char *fn) { int ret_val = false; if (desc) { if ((desc->family > min_xilinx_type) && (desc->family < max_xilinx_type)) { if ((desc->iface > min_xilinx_iface_type) && (desc->iface < max_xilinx_iface_type)) { if (desc->size) { ret_val = true; } else printf ("%s: NULL part size\n", fn); } else printf ("%s: Invalid Interface type, %d\n", fn, desc->iface); } else printf ("%s: Invalid family type, %d\n", fn, desc->family); } else printf ("%s: NULL descriptor!\n", fn); return ret_val; }