+// SPDX-License-Identifier: GPL-2.0+
/*
* (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
- *
*/
/*
#endif
#undef CONFIG_SYS_FPGA_CHECK_BUSY
-#undef CONFIG_SYS_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).
#define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/100 /* 10 ms */
#endif
-static int Spartan3_sp_load( Xilinx_desc *desc, void *buf, size_t bsize );
-static int Spartan3_sp_dump( Xilinx_desc *desc, void *buf, size_t bsize );
-/* static int Spartan3_sp_info( Xilinx_desc *desc ); */
+static int spartan3_sp_load(xilinx_desc *desc, const void *buf, size_t bsize);
+static int spartan3_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize);
+/* static int spartan3_sp_info(xilinx_desc *desc ); */
-static int Spartan3_ss_load( Xilinx_desc *desc, void *buf, size_t bsize );
-static int Spartan3_ss_dump( Xilinx_desc *desc, void *buf, size_t bsize );
-/* static int Spartan3_ss_info( Xilinx_desc *desc ); */
+static int spartan3_ss_load(xilinx_desc *desc, const void *buf, size_t bsize);
+static int spartan3_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize);
+/* static int spartan3_ss_info(xilinx_desc *desc); */
/* ------------------------------------------------------------------------- */
/* Spartan-II Generic Implementation */
-int Spartan3_load (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_load(xilinx_desc *desc, const void *buf, size_t bsize,
+ bitstream_type bstype)
{
int ret_val = FPGA_FAIL;
switch (desc->iface) {
case slave_serial:
PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__);
- ret_val = Spartan3_ss_load (desc, buf, bsize);
+ ret_val = spartan3_ss_load(desc, buf, bsize);
break;
case slave_parallel:
PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__);
- ret_val = Spartan3_sp_load (desc, buf, bsize);
+ ret_val = spartan3_sp_load(desc, buf, bsize);
break;
default:
return ret_val;
}
-int Spartan3_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_dump(xilinx_desc *desc, const 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 = Spartan3_ss_dump (desc, buf, bsize);
+ ret_val = spartan3_ss_dump(desc, buf, bsize);
break;
case slave_parallel:
PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__);
- ret_val = Spartan3_sp_dump (desc, buf, bsize);
+ ret_val = spartan3_sp_dump(desc, buf, bsize);
break;
default:
return ret_val;
}
-int Spartan3_info( Xilinx_desc *desc )
+static int spartan3_info(xilinx_desc *desc)
{
return FPGA_SUCCESS;
}
/* ------------------------------------------------------------------------- */
/* Spartan-II Slave Parallel Generic Implementation */
-static int Spartan3_sp_load (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_sp_load(xilinx_desc *desc, const void *buf, size_t bsize)
{
int ret_val = FPGA_FAIL; /* assume the worst */
- Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns;
+ xilinx_spartan3_slave_parallel_fns *fn = desc->iface_fns;
PRINTF ("%s: start with interface functions @ 0x%p\n",
__FUNCTION__, fn);
}
/* Establish the initial state */
- (*fn->pgm) (TRUE, TRUE, cookie); /* Assert the program, commit */
+ (*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 */
+ (*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 */
}
} 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 */
+ (*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 */
+ (*fn->wdata) (data[bytecount++], true, cookie); /* write the data */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */
+ (*fn->clk) (false, true, cookie); /* Deassert the clock pin */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */
+ (*fn->clk) (true, true, cookie); /* Assert the clock pin */
#ifdef CONFIG_SYS_FPGA_CHECK_BUSY
ts = get_timer (0); /* get current time */
* make sure we aren't busy forever... */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */
+ (*fn->clk) (false, true, cookie); /* Deassert the clock pin */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */
+ (*fn->clk) (true, true, cookie); /* Assert the clock pin */
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT) { /* check the time */
puts ("** Timeout waiting for BUSY to clear.\n");
}
CONFIG_FPGA_DELAY ();
- (*fn->cs) (FALSE, TRUE, cookie); /* Deassert the chip select */
- (*fn->wr) (FALSE, TRUE, cookie); /* Deassert the write pin */
+ (*fn->cs) (false, true, cookie); /* Deassert the chip select */
+ (*fn->wr) (false, true, cookie); /* Deassert the write pin */
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
putc ('\n'); /* terminate the dotted line */
* make sure we aren't busy forever... */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (FALSE, TRUE, cookie); /* Deassert the clock pin */
+ (*fn->clk) (false, true, cookie); /* Deassert the clock pin */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */
+ (*fn->clk) (true, true, cookie); /* Assert the clock pin */
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT) { /* check the time */
puts ("** Timeout waiting for DONE to clear.\n");
return ret_val;
}
-static int Spartan3_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize)
{
int ret_val = FPGA_FAIL; /* assume the worst */
- Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns;
+ xilinx_spartan3_slave_parallel_fns *fn = desc->iface_fns;
if (fn) {
unsigned char *data = (unsigned char *) buf;
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 */
+ (*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->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 CONFIG_SYS_FPGA_PROG_FEEDBACK
if (bytecount % (bsize / 40) == 0)
#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 */
+ (*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 CONFIG_SYS_FPGA_PROG_FEEDBACK
putc ('\n'); /* terminate the dotted line */
/* ------------------------------------------------------------------------- */
-static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_ss_load(xilinx_desc *desc, const void *buf, size_t bsize)
{
int ret_val = FPGA_FAIL; /* assume the worst */
- Xilinx_Spartan3_Slave_Serial_fns *fn = desc->iface_fns;
+ xilinx_spartan3_slave_serial_fns *fn = desc->iface_fns;
int i;
unsigned char val;
}
/* Establish the initial state */
- (*fn->pgm) (TRUE, TRUE, cookie); /* Assert the program, commit */
+ (*fn->pgm) (true, true, cookie); /* Assert the program, commit */
/* Wait for INIT state (init low) */
ts = get_timer (0); /* get current time */
CONFIG_FPGA_DELAY ();
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT) { /* check the time */
puts ("** Timeout waiting for INIT to start.\n");
+ if (*fn->abort)
+ (*fn->abort) (cookie);
return FPGA_FAIL;
}
} while (!(*fn->init) (cookie));
/* Get ready for the burn */
CONFIG_FPGA_DELAY ();
- (*fn->pgm) (FALSE, TRUE, cookie); /* Deassert the program, commit */
+ (*fn->pgm) (false, true, cookie); /* Deassert the program, commit */
ts = get_timer (0); /* get current time */
/* Now wait for INIT to go high */
CONFIG_FPGA_DELAY ();
if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT) { /* check the time */
puts ("** Timeout waiting for INIT to clear.\n");
+ if (*fn->abort)
+ (*fn->abort) (cookie);
return FPGA_FAIL;
}
} while ((*fn->init) (cookie));
/* Load the data */
- while (bytecount < bsize) {
-
- /* Xilinx detects an error if INIT goes low (active)
- while DONE is low (inactive) */
- if ((*fn->done) (cookie) == 0 && (*fn->init) (cookie)) {
- puts ("** CRC error during FPGA load.\n");
- return (FPGA_FAIL);
- }
- val = data [bytecount ++];
- i = 8;
- do {
- /* Deassert the clock */
- (*fn->clk) (FALSE, TRUE, cookie);
- CONFIG_FPGA_DELAY ();
- /* Write data */
- (*fn->wr) ((val & 0x80), TRUE, cookie);
- CONFIG_FPGA_DELAY ();
- /* Assert the clock */
- (*fn->clk) (TRUE, TRUE, cookie);
- CONFIG_FPGA_DELAY ();
- val <<= 1;
- i --;
- } while (i > 0);
+ if(*fn->bwr)
+ (*fn->bwr) (data, bsize, true, cookie);
+ else {
+ while (bytecount < bsize) {
+
+ /* Xilinx detects an error if INIT goes low (active)
+ while DONE is low (inactive) */
+ if ((*fn->done) (cookie) == 0 && (*fn->init) (cookie)) {
+ puts ("** CRC error during FPGA load.\n");
+ if (*fn->abort)
+ (*fn->abort) (cookie);
+ return (FPGA_FAIL);
+ }
+ val = data [bytecount ++];
+ i = 8;
+ do {
+ /* Deassert the clock */
+ (*fn->clk) (false, true, cookie);
+ CONFIG_FPGA_DELAY ();
+ /* Write data */
+ (*fn->wr) ((val & 0x80), true, cookie);
+ CONFIG_FPGA_DELAY ();
+ /* Assert the clock */
+ (*fn->clk) (true, true, cookie);
+ CONFIG_FPGA_DELAY ();
+ val <<= 1;
+ i --;
+ } while (i > 0);
#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK
- if (bytecount % (bsize / 40) == 0)
- putc ('.'); /* let them know we are alive */
+ if (bytecount % (bsize / 40) == 0)
+ putc ('.'); /* let them know we are alive */
#endif
+ }
}
CONFIG_FPGA_DELAY ();
/* now check for done signal */
ts = get_timer (0); /* get current time */
ret_val = FPGA_SUCCESS;
- (*fn->wr) (TRUE, TRUE, cookie);
+ (*fn->wr) (true, true, cookie);
while (! (*fn->done) (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 */
+ (*fn->clk) (false, true, cookie); /* Deassert the clock pin */
CONFIG_FPGA_DELAY ();
- (*fn->clk) (TRUE, TRUE, cookie); /* Assert the clock pin */
+ (*fn->clk) (true, true, cookie); /* Assert the clock pin */
putc ('*');
return ret_val;
}
-static int Spartan3_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+static int spartan3_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize)
{
/* Readback is only available through the Slave Parallel and */
/* boundary-scan interfaces. */
__FUNCTION__);
return FPGA_FAIL;
}
+
+struct xilinx_fpga_op spartan3_op = {
+ .load = spartan3_load,
+ .dump = spartan3_dump,
+ .info = spartan3_info,
+};