X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Ffpga%2Fspartan3.c;h=4850c99352ddf330eb37a798be1a26a54bc3fd4c;hb=f3f2af3bdf2af89d0621aa0fbd94a918e4447081;hp=8bb244971f1fb6f824b0b13cd966965b8cab9886;hpb=156feb90d200f186cdfd856d7f6f1878bb1bec1e;p=u-boot diff --git a/drivers/fpga/spartan3.c b/drivers/fpga/spartan3.c index 8bb244971f..4850c99352 100644 --- a/drivers/fpga/spartan3.c +++ b/drivers/fpga/spartan3.c @@ -1,25 +1,7 @@ +// 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 - * */ /* @@ -38,7 +20,6 @@ #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). @@ -53,31 +34,30 @@ #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_reloc( Xilinx_desc *desc, ulong reloc_offset ); +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_reloc( Xilinx_desc *desc, ulong reloc_offset ); +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: @@ -88,19 +68,19 @@ int Spartan3_load (Xilinx_desc * desc, void *buf, size_t bsize) 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: @@ -111,46 +91,19 @@ int Spartan3_dump (Xilinx_desc * desc, void *buf, size_t bsize) return ret_val; } -int Spartan3_info( Xilinx_desc *desc ) +static int spartan3_info(xilinx_desc *desc) { return FPGA_SUCCESS; } -int Spartan3_reloc (Xilinx_desc * desc, ulong reloc_offset) -{ - int ret_val = FPGA_FAIL; /* assume a failure */ - - if (desc->family != Xilinx_Spartan3) { - printf ("%s: Unsupported family type, %d\n", - __FUNCTION__, desc->family); - return FPGA_FAIL; - } else - switch (desc->iface) { - case slave_serial: - ret_val = Spartan3_ss_reloc (desc, reloc_offset); - break; - - case slave_parallel: - ret_val = Spartan3_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 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); @@ -196,11 +149,11 @@ static int Spartan3_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 */ @@ -213,20 +166,20 @@ static int Spartan3_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 */ @@ -235,9 +188,9 @@ static int Spartan3_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"); @@ -254,8 +207,8 @@ static int Spartan3_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 */ @@ -269,9 +222,9 @@ static int Spartan3_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 DONE to clear.\n"); @@ -301,10 +254,10 @@ static int Spartan3_sp_load (Xilinx_desc * desc, void *buf, size_t bsize) 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; @@ -313,15 +266,15 @@ static int Spartan3_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) @@ -329,9 +282,9 @@ static int Spartan3_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 */ @@ -347,97 +300,12 @@ static int Spartan3_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize) } -static int Spartan3_sp_reloc (Xilinx_desc * desc, ulong reloc_offset) -{ - int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan3_Slave_Parallel_fns *fn_r, *fn = - (Xilinx_Spartan3_Slave_Parallel_fns *) (desc->iface_fns); - - if (fn) { - ulong addr; - - /* Get the relocated table address */ - addr = (ulong) fn + reloc_offset; - fn_r = (Xilinx_Spartan3_Slave_Parallel_fns *) addr; - - if (!fn_r->relocated) { - - if (memcmp (fn_r, fn, - sizeof (Xilinx_Spartan3_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 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; @@ -472,7 +340,7 @@ static int Spartan3_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 */ @@ -480,13 +348,15 @@ static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) 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 */ @@ -494,39 +364,47 @@ static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) 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 (); @@ -538,16 +416,16 @@ static int Spartan3_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)) { /* 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 ('*'); @@ -579,7 +457,7 @@ static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize) 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. */ @@ -588,73 +466,8 @@ static int Spartan3_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize) return FPGA_FAIL; } -static int Spartan3_ss_reloc (Xilinx_desc * desc, ulong reloc_offset) -{ - int ret_val = FPGA_FAIL; /* assume the worst */ - Xilinx_Spartan3_Slave_Serial_fns *fn_r, *fn = - (Xilinx_Spartan3_Slave_Serial_fns *) (desc->iface_fns); - - if (fn) { - ulong addr; - - /* Get the relocated table address */ - addr = (ulong) fn + reloc_offset; - fn_r = (Xilinx_Spartan3_Slave_Serial_fns *) addr; - - if (!fn_r->relocated) { - - if (memcmp (fn_r, fn, - sizeof (Xilinx_Spartan3_Slave_Serial_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); - - if (fn->pre) { - 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->wr) + reloc_offset; - fn_r->wr = (Xilinx_wr_fn) addr; - - if (fn->post) { - 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; - -} +struct xilinx_fpga_op spartan3_op = { + .load = spartan3_load, + .dump = spartan3_dump, + .info = spartan3_info, +};