X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=drivers%2Ffpga%2Fspartan2.c;h=859fb3c7787af8562336e6c7e378b70b9fb3c994;hb=3fc304b8d77ce6646d38ae506e9fae74b9975631;hp=cd16a9c44c29046571c527d6118b208c194a58c0;hpb=cd77dd109c4a439519a78c32eddc42bdebc7a61f;p=people%2Fms%2Fu-boot.git diff --git a/drivers/fpga/spartan2.c b/drivers/fpga/spartan2.c index cd16a9c44c..859fb3c778 100644 --- a/drivers/fpga/spartan2.c +++ b/drivers/fpga/spartan2.c @@ -2,24 +2,7 @@ * (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 - * + * SPDX-License-Identifier: GPL-2.0+ */ #include /* core U-Boot definitions */ @@ -48,29 +31,30 @@ #define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/100 /* 10 ms */ #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_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan2_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan2_sp_info(xilinx_desc *desc ); */ -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_load(xilinx_desc *desc, const void *buf, size_t bsize); +static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize); +/* static int spartan2_ss_info(xilinx_desc *desc ); */ /* ------------------------------------------------------------------------- */ /* Spartan-II Generic Implementation */ -int Spartan2_load (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_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 = Spartan2_ss_load (desc, buf, bsize); + 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); + ret_val = spartan2_sp_load(desc, buf, bsize); break; default: @@ -81,19 +65,19 @@ int Spartan2_load (Xilinx_desc * desc, void *buf, size_t bsize) return ret_val; } -int Spartan2_dump (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_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 = Spartan2_ss_dump (desc, buf, bsize); + 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); + ret_val = spartan2_sp_dump(desc, buf, bsize); break; default: @@ -104,7 +88,7 @@ int Spartan2_dump (Xilinx_desc * desc, void *buf, size_t bsize) return ret_val; } -int Spartan2_info( Xilinx_desc *desc ) +static int spartan2_info(xilinx_desc *desc) { return FPGA_SUCCESS; } @@ -113,10 +97,10 @@ int Spartan2_info( Xilinx_desc *desc ) /* ------------------------------------------------------------------------- */ /* Spartan-II Slave Parallel Generic Implementation */ -static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_sp_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_parallel_fns *fn = desc->iface_fns; PRINTF ("%s: start with interface functions @ 0x%p\n", __FUNCTION__, fn); @@ -162,11 +146,11 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) } /* 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 */ @@ -179,20 +163,20 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) } } 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 */ @@ -201,9 +185,9 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) * 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"); @@ -220,8 +204,8 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) } 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 */ @@ -233,9 +217,9 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) while ((*fn->done) (cookie) == FPGA_FAIL) { 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"); @@ -265,10 +249,10 @@ static int Spartan2_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) return ret_val; } -static int Spartan2_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Parallel_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_parallel_fns *fn = desc->iface_fns; if (fn) { unsigned char *data = (unsigned char *) buf; @@ -277,15 +261,15 @@ static int Spartan2_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) 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) @@ -293,9 +277,9 @@ static int Spartan2_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) #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 */ @@ -313,10 +297,10 @@ static int Spartan2_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) /* ------------------------------------------------------------------------- */ -static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan2_Slave_Serial_fns *fn = desc->iface_fns; + xilinx_spartan2_slave_serial_fns *fn = desc->iface_fns; int i; unsigned char val; @@ -351,7 +335,7 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) } /* 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 */ @@ -365,7 +349,7 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) /* 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 */ @@ -390,13 +374,13 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) i = 8; do { /* Deassert the clock */ - (*fn->clk) (FALSE, TRUE, cookie); + (*fn->clk) (false, true, cookie); CONFIG_FPGA_DELAY (); /* Write data */ - (*fn->wr) ((val & 0x80), TRUE, cookie); + (*fn->wr) ((val & 0x80), true, cookie); CONFIG_FPGA_DELAY (); /* Assert the clock */ - (*fn->clk) (TRUE, TRUE, cookie); + (*fn->clk) (true, true, cookie); CONFIG_FPGA_DELAY (); val <<= 1; i --; @@ -417,14 +401,14 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) /* 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)) { 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 ('*'); @@ -456,7 +440,7 @@ static int Spartan2_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) return ret_val; } -static int Spartan2_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize) +static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize) { /* Readback is only available through the Slave Parallel and */ /* boundary-scan interfaces. */ @@ -464,3 +448,9 @@ static int Spartan2_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize) __FUNCTION__); return FPGA_FAIL; } + +struct xilinx_fpga_op spartan2_op = { + .load = spartan2_load, + .dump = spartan2_dump, + .info = spartan2_info, +};