From c8aa7dfc18f7cc90d0aea6c7becbb67dfc5bba4b Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 31 Oct 2008 12:26:55 +0100 Subject: FPGA: move fpga drivers to drivers/fpga Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- drivers/fpga/xilinx.c | 307 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 307 insertions(+) create mode 100644 drivers/fpga/xilinx.c (limited to 'drivers/fpga/xilinx.c') diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c new file mode 100644 index 0000000..7b5e8c5 --- /dev/null +++ b/drivers/fpga/xilinx.c @@ -0,0 +1,307 @@ +/* + * (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 + +#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 xilinx_load (Xilinx_desc * desc, 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; + + default: + printf ("%s: Unsupported family type, %d\n", + __FUNCTION__, desc->family); + } + + return ret_val; +} + +int xilinx_dump (Xilinx_desc * desc, 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; + + 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; + /* 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; + /* 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; + /* 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; +} + +int xilinx_reloc (Xilinx_desc * desc, ulong reloc_offset) +{ + 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) + ret_val = Spartan2_reloc (desc, reloc_offset); +#else + printf ("%s: No support for Spartan-II devices.\n", + __FUNCTION__); +#endif + break; + case Xilinx_Spartan3: +#if defined(CONFIG_FPGA_SPARTAN3) + ret_val = Spartan3_reloc (desc, reloc_offset); +#else + printf ("%s: No support for Spartan-III devices.\n", + __FUNCTION__); +#endif + break; + case Xilinx_Virtex2: +#if defined(CONFIG_FPGA_VIRTEX2) + ret_val = Virtex2_reloc (desc, reloc_offset); +#else + printf ("%s: No support for Virtex-II devices.\n", + __FUNCTION__); +#endif + break; + /* Add new family types here */ + default: + printf ("%s: Unsupported family type, %d\n", + __FUNCTION__, desc->family); + } + + 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; +} -- cgit v1.1