diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/fpga.c | 351 | ||||
| -rw-r--r-- | common/spartan2.c | 470 |
2 files changed, 821 insertions, 0 deletions
diff --git a/common/fpga.c b/common/fpga.c new file mode 100644 index 0000000..c5975bc --- /dev/null +++ b/common/fpga.c @@ -0,0 +1,351 @@ +/* + * (C) Copyright 2002 + * Rich Ireland, Enterasys Networks, rireland@enterasys.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 + * + */ + +/* + * Generic FPGA support + */ +#include <common.h> /* core U-Boot definitions */ +#include <xilinx.h> /* xilinx specific definitions */ +#include <altera.h> /* altera specific definitions */ + +#if defined(CONFIG_FPGA) + +#if 0 +#define FPGA_DEBUG /* define FPGA_DEBUG to get debug messages */ +#endif + +/* Local definitions */ +#ifndef CONFIG_MAX_FPGA_DEVICES +#define CONFIG_MAX_FPGA_DEVICES 5 +#endif + +/* Enable/Disable debug console messages */ +#ifdef FPGA_DEBUG +#define PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +/* Local static data */ +static ulong relocation_offset = 0; +static int next_desc = FPGA_INVALID_DEVICE; +static fpga_desc desc_table[CONFIG_MAX_FPGA_DEVICES]; + +/* Local static functions */ +static const fpga_desc * const fpga_get_desc( int devnum ); +static const fpga_desc * const fpga_validate( int devnum, void *buf, + size_t bsize, char *fn ); +static int fpga_dev_info( int devnum ); + + +/* ------------------------------------------------------------------------- */ + +/* fpga_no_sup + * 'no support' message function + */ +static void fpga_no_sup( char *fn, char *msg ) +{ + if ( fn && msg ) { + printf( "%s: No support for %s. CONFIG_FPGA defined as 0x%x.\n", + fn, msg, CONFIG_FPGA ); + } else if ( msg ) { + printf( "No support for %s. CONFIG_FPGA defined as 0x%x.\n", + msg, CONFIG_FPGA ); + } else { + printf( "No FPGA suport! CONFIG_FPGA defined as 0x%x.\n", + CONFIG_FPGA ); + } +} + + +/* fpga_get_desc + * map a device number to a descriptor + */ +static const fpga_desc * const fpga_get_desc( int devnum ) +{ + fpga_desc *desc = (fpga_desc * )NULL; + + if (( devnum >= 0 ) && (devnum < next_desc )) { + desc = &desc_table[devnum]; + PRINTF( "%s: found fpga descriptor #%d @ 0x%p\n", + __FUNCTION__, devnum, desc ); + } + + return desc; +} + + +/* fpga_validate + * generic parameter checking code + */ +static const fpga_desc * const fpga_validate( int devnum, void *buf, + size_t bsize, char *fn ) +{ + const fpga_desc * const desc = fpga_get_desc( devnum ); + + if ( !desc ) { + printf( "%s: Invalid device number %d\n", fn, devnum ); + } + + if ( !buf ) { + printf( "%s: Null buffer.\n", fn ); + return (fpga_desc * const)NULL; + } + if ( !bsize ) { + printf( "%s: Null buffer size.\n", fn ); + return (fpga_desc * const)NULL; + } + + return desc; +} + + +/* fpga_dev_info + * generic multiplexing code + */ +static int fpga_dev_info( int devnum ) +{ + int ret_val = FPGA_FAIL; /* assume failure */ + const fpga_desc * const desc = fpga_get_desc( devnum ); + + if ( desc ) { + PRINTF( "%s: Device Descriptor @ 0x%p\n", + __FUNCTION__, desc->devdesc ); + + switch ( desc->devtype ) { + case fpga_xilinx: +#if CONFIG_FPGA & CFG_FPGA_XILINX + printf( "Xilinx Device\nDescriptor @ 0x%p\n", desc ); + ret_val = xilinx_info( desc->devdesc ); +#else + fpga_no_sup( __FUNCTION__, "Xilinx devices" ); +#endif + break; + case fpga_altera: +#if CONFIG_FPGA & CFG_FPGA_ALTERA + printf( "Altera Device\nDescriptor @ 0x%p\n", desc ); + ret_val = altera_info( desc->devdesc ); +#else + fpga_no_sup( __FUNCTION__, "Altera devices" ); +#endif + break; + default: + printf( "%s: Invalid or unsupported device type %d\n", + __FUNCTION__, desc->devtype ); + } + } else { + printf( "%s: Invalid device number %d\n", + __FUNCTION__, devnum ); + } + + return ret_val; +} + + +/* fpga_reloc + * generic multiplexing code + */ +int fpga_reloc( fpga_type devtype, void *desc, ulong reloc_off ) +{ + int ret_val = FPGA_FAIL; + + PRINTF( "%s: Relocating Device of type %d @ 0x%p with offset %lx\n", + __FUNCTION__, devtype, desc, reloc_off ); + + switch ( devtype ) { + case fpga_xilinx: +#if CONFIG_FPGA & CFG_FPGA_XILINX + ret_val = xilinx_reloc( desc, reloc_off ); +#else + fpga_no_sup( __FUNCTION__, "Xilinx devices" ); +#endif + break; + case fpga_altera: +#if CONFIG_FPGA & CFG_FPGA_ALTERA + ret_val = altera_reloc( desc, reloc_off ); +#else + fpga_no_sup( __FUNCTION__, "Altera devices" ); +#endif + break; + default: + printf( "%s: Invalid or unsupported device type %d\n", + __FUNCTION__, devtype ); + } + + return ret_val; +} + +/* ------------------------------------------------------------------------- */ +/* fgpa_init is usually called from misc_init_r() and MUST be called + * before any of the other fpga functions are used. + */ +void fpga_init( ulong reloc_off ) +{ + relocation_offset = reloc_off; + next_desc = 0; + memset( desc_table, 0, sizeof(desc_table)); + + PRINTF( "%s: CONFIG_FPGA = 0x%x\n", __FUNCTION__, CONFIG_FPGA ); +#if 0 + PRINTF( "%s: CFG_FPGA_XILINX = 0x%x\n", __FUNCTION__, CFG_FPGA_XILINX ); + PRINTF( "%s: CFG_FPGA_ALTERA = 0x%x\n", __FUNCTION__, CFG_FPGA_ALTERA ); +#endif +} + +/* fpga_count + * Basic interface function to get the current number of devices available. + */ +const int fpga_count( void ) +{ + return next_desc; +} + +/* fpga_add + * Attempts to relocate the device/board specific interface code + * to the proper RAM locations and adds the device descriptor to + * the device table. + */ +int fpga_add( fpga_type devtype, void *desc ) +{ + int devnum = FPGA_INVALID_DEVICE; + + if ( next_desc < 0 ) { + printf( "%s: FPGA support not initialized!\n", __FUNCTION__ ); + } else if (( devtype > fpga_min_type ) && ( devtype < fpga_undefined )) { + if ( desc ) { + if ( next_desc < CONFIG_MAX_FPGA_DEVICES ) { + if ( fpga_reloc( devtype, desc, relocation_offset ) + == FPGA_SUCCESS ) { + devnum = next_desc; + desc_table[next_desc].devtype = devtype; + desc_table[next_desc++].devdesc = desc; + } else { + printf( "%s: Unable to relocate device interface table!\n", + __FUNCTION__ ); + } + } else { + printf( "%s: Exceeded Max FPGA device count\n", __FUNCTION__ ); + } + } else { + printf( "%s: NULL device descriptor\n", __FUNCTION__ ); + } + } else { + printf( "%s: Unsupported FPGA type %d\n", __FUNCTION__, devtype ); + } + + return devnum; +} + +/* + * Generic multiplexing code + */ +int fpga_load( int devnum, void *buf, size_t bsize ) +{ + int ret_val = FPGA_FAIL; /* assume failure */ + const fpga_desc * const desc = fpga_validate( devnum, buf, bsize, __FUNCTION__ ); + + if ( desc ) { + switch ( desc->devtype ) { + case fpga_xilinx: +#if CONFIG_FPGA & CFG_FPGA_XILINX + ret_val = xilinx_load( desc->devdesc, buf, bsize ); +#else + fpga_no_sup( __FUNCTION__, "Xilinx devices" ); +#endif + break; + case fpga_altera: +#if CONFIG_FPGA & CFG_FPGA_ALTERA + ret_val = altera_load( desc->devdesc, buf, bsize ); +#else + fpga_no_sup( __FUNCTION__, "Altera devices" ); +#endif + break; + default: + printf( "%s: Invalid or unsupported device type %d\n", + __FUNCTION__, desc->devtype ); + } + } + + return ret_val; +} + +/* fpga_dump + * generic multiplexing code + */ +int fpga_dump( int devnum, void *buf, size_t bsize ) +{ + int ret_val = FPGA_FAIL; /* assume failure */ + const fpga_desc * const desc = fpga_validate( devnum, buf, bsize, __FUNCTION__ ); + + if ( desc ) { + switch ( desc->devtype ) { + case fpga_xilinx: +#if CONFIG_FPGA & CFG_FPGA_XILINX + ret_val = xilinx_dump( desc->devdesc, buf, bsize ); +#else + fpga_no_sup( __FUNCTION__, "Xilinx devices" ); +#endif + break; + case fpga_altera: +#if CONFIG_FPGA & CFG_FPGA_ALTERA + ret_val = altera_dump( desc->devdesc, buf, bsize ); +#else + fpga_no_sup( __FUNCTION__, "Altera devices" ); +#endif + break; + default: + printf( "%s: Invalid or unsupported device type %d\n", + __FUNCTION__, desc->devtype ); + } + } + + return ret_val; +} + + +/* fpga_info + * front end to fpga_dev_info. If devnum is invalid, report on all + * available devices. + */ +int fpga_info( int devnum ) +{ + if ( devnum == FPGA_INVALID_DEVICE ) { + if ( next_desc > 0 ) { + int dev; + + for ( dev = 0; dev < next_desc; dev++ ) { + fpga_dev_info( dev ); + } + return FPGA_SUCCESS; + } else { + printf( "%s: No FPGA devices available.\n", __FUNCTION__ ); + return FPGA_FAIL; + } + } + else return fpga_dev_info( devnum ); +} + +/* ------------------------------------------------------------------------- */ + +#endif /* CONFIG_FPGA */ diff --git a/common/spartan2.c b/common/spartan2.c new file mode 100644 index 0000000..9ac1e13 --- /dev/null +++ b/common/spartan2.c @@ -0,0 +1,470 @@ +/* + * (C) Copyright 2002 + * Rich Ireland, Enterasys Networks, rireland@enterasys.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 + * + */ + +#include <common.h> /* core U-Boot definitions */ +#include <spartan2.h> /* Spartan-II device family */ + +#if (CONFIG_FPGA & (CFG_XILINX | CFG_SPARTAN2)) + +/* Define FPGA_DEBUG to get debug printf's */ +#ifdef FPGA_DEBUG +#define PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +#undef CFG_FPGA_CHECK_BUSY +#define CFG_FPGA_PROG_FEEDBACK + +/* Note: The assumption is that we cannot possibly run fast enough to + * overrun the device (the Slave Parallel mode can free run at 50MHz). + * If there is a need to operate slower, define CONFIG_FPGA_DELAY in + * the board config file to slow things down. + */ +#ifndef CONFIG_FPGA_DELAY +#define CONFIG_FPGA_DELAY() +#endif + +#ifndef CFG_FPGA_WAIT +#define CFG_FPGA_WAIT 10 +#endif + +static int Spartan2_sp_load( Xilinx_desc *desc, void *buf, size_t bsize ); +static int Spartan2_sp_dump( Xilinx_desc *desc, void *buf, size_t bsize ); +/* static int Spartan2_sp_info( Xilinx_desc *desc ); */ +static int Spartan2_sp_reloc( Xilinx_desc *desc, ulong reloc_offset ); + +static int Spartan2_ss_load( Xilinx_desc *desc, void *buf, size_t bsize ); +static int Spartan2_ss_dump( Xilinx_desc *desc, void *buf, size_t bsize ); +/* static int Spartan2_ss_info( Xilinx_desc *desc ); */ +static int Spartan2_ss_reloc( Xilinx_desc *desc, ulong reloc_offset ); + +/* ------------------------------------------------------------------------- */ +/* Spartan-II Generic Implementation */ +int Spartan2_load (Xilinx_desc * desc, void *buf, size_t bsize) +{ + int ret_val = FPGA_FAIL; + + switch (desc->iface) { + case slave_serial: + PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__); + ret_val = Spartan2_ss_load (desc, buf, bsize); + break; + + case slave_parallel: + PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__); + ret_val = Spartan2_sp_load (desc, buf, bsize); + break; + + default: + printf ("%s: Unsupported interface type, %d\n", + __FUNCTION__, desc->iface); + } + + return ret_val; +} + +int Spartan2_dump (Xilinx_desc * desc, void *buf, size_t bsize) +{ + int ret_val = FPGA_FAIL; + + switch (desc->iface) { + case slave_serial: + PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__); + ret_val = Spartan2_ss_dump (desc, buf, bsize); + break; + + case slave_parallel: + PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__); + ret_val = Spartan2_sp_dump (desc, buf, bsize); + break; + + default: + printf ("%s: Unsupported interface type, %d\n", + __FUNCTION__, desc->iface); + } + + return ret_val; +} + +int Spartan2_info( Xilinx_desc *desc ) +{ + return FPGA_SUCCESS; +} + + +int Spartan2_reloc (Xilinx_desc * desc, ulong reloc_offset) +{ + int ret_val = FPGA_FAIL; /* assume a failure */ + + if (desc->family != Xilinx_Spartan2) { + printf ("%s: Unsupported family type, %d\n", + __FUNCTION__, desc->family); + return FPGA_FAIL; + } else + switch (desc->iface) { + case slave_serial: + ret_val = Spartan2_ss_reloc (desc, reloc_offset); + break; + + case slave_parallel: + ret_val = Spartan2_sp_reloc (desc, reloc_offset); + break; + + default: + printf ("%s: Unsupported interface type, %d\n", + __FUNCTION__, desc->iface); + } + + return ret_val; +} + + +/* ------------------------------------------------------------------------- */ +/* Spartan-II Slave Parallel Generic Implementation */ + +static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) +{ + int ret_val = FPGA_FAIL; /* assume the worst */ + Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + + PRINTF ("%s: start with interface functions @ 0x%p\n", + __FUNCTION__, fn); + + if (fn) { + size_t bytecount = 0; + unsigned char *data = (unsigned char *) buf; + int cookie = desc->cookie; /* make a local copy */ + unsigned long ts; /* timestamp */ + + PRINTF ("%s: Function Table:\n" + "ptr:\t0x%p\n" + "struct: 0x%p\n" + "pre: 0x%p\n" + "pgm:\t0x%p\n" + "init:\t0x%p\n" + "err:\t0x%p\n" + "clk:\t0x%p\n" + "cs:\t0x%p\n" + "wr:\t0x%p\n" + "read data:\t0x%p\n" + "write data:\t0x%p\n" + "busy:\t0x%p\n" + "abort:\t0x%p\n", + "post:\t0x%p\n\n", + __FUNCTION__, &fn, fn, fn->pre, fn->pgm, fn->init, fn->err, + fn->clk, fn->cs, fn->wr, fn->rdata, fn->wdata, fn->busy, + fn->abort, fn->post); + + /* + * This code is designed to emulate the "Express Style" + * Continuous Data Loading in Slave Parallel Mode for + * the Spartan-II Family. + */ +#ifdef CFG_FPGA_PROG_FEEDBACK + printf ("Loading FPGA Device %d...\n", cookie); +#endif + /* + * Run the pre configuration function if there is one. + */ + if (*fn->pre) { + (*fn->pre) (cookie); + } + + /* Establish the initial state */ + (*fn->pgm) (TRUE, TRUE, cookie); /* Assert the program, commit */ + + /* Get ready for the burn */ + CONFIG_FPGA_DELAY (); + (*fn->pgm) (FALSE, TRUE, cookie); /* Deassert the program, commit */ + + ts = get_timer (0); /* get current time */ + /* Now wait for INIT and BUSY to go high */ + do { + CONFIG_FPGA_DELAY (); + if (get_timer (ts) > CFG_FPGA_WAIT) { /* check the time */ + puts ("** Timeout waiting for INIT to clear.\n"); + (*fn->abort) (cookie); /* abort the burn */ + return FPGA_FAIL; + } + } while ((*fn->init) (cookie) && (*fn->busy) (cookie)); + + (*fn->wr) (TRUE, TRUE, cookie); /* Assert write, commit */ + (*fn->cs) (TRUE, TRUE, cookie); /* Assert chip select, commit */ + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + + /* Load the data */ + while (bytecount < bsize) { + /* XXX - do we check for an Ctrl-C press in here ??? */ + /* XXX - Check the error bit? */ + + (*fn->wdata) (data[bytecount++], TRUE, cookie); /* write the data */ + CONFIG_FPGA_DELAY (); + (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */ + CONFIG_FPGA_DELAY (); + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + +#ifdef CFG_FPGA_CHECK_BUSY + ts = get_timer (0); /* get current time */ + while ((*fn->busy) (cookie)) { + /* XXX - we should have a check in here somewhere to + * make sure we aren't busy forever... */ + + CONFIG_FPGA_DELAY (); + (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */ + CONFIG_FPGA_DELAY (); + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + + if (get_timer (ts) > CFG_FPGA_WAIT) { /* check the time */ + puts ("** Timeout waiting for BUSY to clear.\n"); + (*fn->abort) (cookie); /* abort the burn */ + return FPGA_FAIL; + } + } +#endif + +#ifdef CFG_FPGA_PROG_FEEDBACK + if (bytecount % (bsize / 40) == 0) + putc ('.'); /* let them know we are alive */ +#endif + } + + CONFIG_FPGA_DELAY (); + (*fn->cs) (FALSE, TRUE, cookie); /* Deassert the chip select */ + (*fn->wr) (FALSE, TRUE, cookie); /* Deassert the write pin */ + +#ifdef CFG_FPGA_PROG_FEEDBACK + putc ('\n'); /* terminate the dotted line */ +#endif + + /* now check for done signal */ + ts = get_timer (0); /* get current time */ + ret_val = FPGA_SUCCESS; + while ((*fn->done) (cookie) == FPGA_FAIL) { + /* XXX - we should have a check in here somewhere to + * make sure we aren't busy forever... */ + + CONFIG_FPGA_DELAY (); + (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */ + CONFIG_FPGA_DELAY (); + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + + if (get_timer (ts) > CFG_FPGA_WAIT) { /* check the time */ + puts ("** Timeout waiting for DONE to clear.\n"); + (*fn->abort) (cookie); /* abort the burn */ + ret_val = FPGA_FAIL; + break; + } + } + + if (ret_val == FPGA_SUCCESS) { +#ifdef CFG_FPGA_PROG_FEEDBACK + puts ("Done.\n"); +#endif + } + /* + * Run the post configuration function if there is one. + */ + if (*fn->post) { + (*fn->post) (cookie); + } + + else { +#ifdef CFG_FPGA_PROG_FEEDBACK + puts ("Fail.\n"); +#endif + } + + } else { + printf ("%s: NULL Interface function table!\n", __FUNCTION__); + } + + return ret_val; +} + +static int Spartan2_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) +{ + int ret_val = FPGA_FAIL; /* assume the worst */ + Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + + if (fn) { + unsigned char *data = (unsigned char *) buf; + size_t bytecount = 0; + int cookie = desc->cookie; /* make a local copy */ + + printf ("Starting Dump of FPGA Device %d...\n", cookie); + + (*fn->cs) (TRUE, TRUE, cookie); /* Assert chip select, commit */ + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + + /* dump the data */ + while (bytecount < bsize) { + /* XXX - do we check for an Ctrl-C press in here ??? */ + + (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */ + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + (*fn->rdata) (&(data[bytecount++]), cookie); /* read the data */ +#ifdef CFG_FPGA_PROG_FEEDBACK + if (bytecount % (bsize / 40) == 0) + putc ('.'); /* let them know we are alive */ +#endif + } + + (*fn->cs) (FALSE, FALSE, cookie); /* Deassert the chip select */ + (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */ + (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */ + +#ifdef CFG_FPGA_PROG_FEEDBACK + putc ('\n'); /* terminate the dotted line */ +#endif + puts ("Done.\n"); + + /* XXX - checksum the data? */ + } else { + printf ("%s: NULL Interface function table!\n", __FUNCTION__); + } + + return ret_val; +} + + +static int Spartan2_sp_reloc (Xilinx_desc * desc, ulong reloc_offset) +{ + int ret_val = FPGA_FAIL; /* assume the worst */ + Xilinx_Spartan2_Slave_Parallel_fns *fn_r, *fn = + (Xilinx_Spartan2_Slave_Parallel_fns *) (desc->iface_fns); + + if (fn) { + ulong addr; + + /* Get the relocated table address */ + addr = (ulong) fn + reloc_offset; + fn_r = (Xilinx_Spartan2_Slave_Parallel_fns *) addr; + + if (!fn_r->relocated) { + + if (memcmp (fn_r, fn, + sizeof (Xilinx_Spartan2_Slave_Parallel_fns)) + == 0) { + /* good copy of the table, fix the descriptor pointer */ + desc->iface_fns = fn_r; + } else { + PRINTF ("%s: Invalid function table at 0x%p\n", + __FUNCTION__, fn_r); + return FPGA_FAIL; + } + + PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__, + desc); + + addr = (ulong) (fn->pre) + reloc_offset; + fn_r->pre = (Xilinx_pre_fn) addr; + + addr = (ulong) (fn->pgm) + reloc_offset; + fn_r->pgm = (Xilinx_pgm_fn) addr; + + addr = (ulong) (fn->init) + reloc_offset; + fn_r->init = (Xilinx_init_fn) addr; + + addr = (ulong) (fn->done) + reloc_offset; + fn_r->done = (Xilinx_done_fn) addr; + + addr = (ulong) (fn->clk) + reloc_offset; + fn_r->clk = (Xilinx_clk_fn) addr; + + addr = (ulong) (fn->err) + reloc_offset; + fn_r->err = (Xilinx_err_fn) addr; + + addr = (ulong) (fn->cs) + reloc_offset; + fn_r->cs = (Xilinx_cs_fn) addr; + + addr = (ulong) (fn->wr) + reloc_offset; + fn_r->wr = (Xilinx_wr_fn) addr; + + addr = (ulong) (fn->rdata) + reloc_offset; + fn_r->rdata = (Xilinx_rdata_fn) addr; + + addr = (ulong) (fn->wdata) + reloc_offset; + fn_r->wdata = (Xilinx_wdata_fn) addr; + + addr = (ulong) (fn->busy) + reloc_offset; + fn_r->busy = (Xilinx_busy_fn) addr; + + addr = (ulong) (fn->abort) + reloc_offset; + fn_r->abort = (Xilinx_abort_fn) addr; + + addr = (ulong) (fn->post) + reloc_offset; + fn_r->post = (Xilinx_post_fn) addr; + + fn_r->relocated = TRUE; + + } else { + /* this table has already been moved */ + /* XXX - should check to see if the descriptor is correct */ + desc->iface_fns = fn_r; + } + + ret_val = FPGA_SUCCESS; + } else { + printf ("%s: NULL Interface function table!\n", __FUNCTION__); + } + + return ret_val; + +} + +/* ------------------------------------------------------------------------- */ + +static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) +{ + printf ("%s: Slave Serial Loading is still unsupported\n", + __FUNCTION__); + return FPGA_FAIL; +} + +static int Spartan2_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize) +{ + printf ("%s: Slave Serial Dumping is still unsupported\n", + __FUNCTION__); + return FPGA_FAIL; +} + +static int Spartan2_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) +{ + int ret_val = FPGA_FAIL; /* assume the worst */ + Xilinx_Spartan2_Slave_Serial_fns *fn = + (Xilinx_Spartan2_Slave_Serial_fns *) (desc->iface_fns); + + if (fn) { + printf ("%s: Slave Serial Loading is still unsupported\n", + __FUNCTION__); + } else { + printf ("%s: NULL Interface function table!\n", __FUNCTION__); + } + + return ret_val; + +} + +#endif |