X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Ffpga%2Fcyclon2.c;h=8ab7679b48f70c902a8cae36040d94a6805e5396;hb=31df9893b9004938722dadcc025b337fed99ccab;hp=3ed64b27938fa506458a67c6d223fdbd8faa6ae7;hpb=13d36ec849785453953d00220b2c7dc66644a3c2;p=oweals%2Fu-boot.git diff --git a/drivers/fpga/cyclon2.c b/drivers/fpga/cyclon2.c index 3ed64b2793..8ab7679b48 100644 --- a/drivers/fpga/cyclon2.c +++ b/drivers/fpga/cyclon2.c @@ -3,24 +3,7 @@ * Heiko Schocher, hs@denx.de * Based on ACE1XK.c * - * 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 */ @@ -47,14 +30,13 @@ #define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/10 /* 100 ms */ #endif -static int CYC2_ps_load( Altera_desc *desc, void *buf, size_t bsize ); -static int CYC2_ps_dump( Altera_desc *desc, void *buf, size_t bsize ); +static int CYC2_ps_load(Altera_desc *desc, const void *buf, size_t bsize); +static int CYC2_ps_dump(Altera_desc *desc, const void *buf, size_t bsize); /* static int CYC2_ps_info( Altera_desc *desc ); */ -static int CYC2_ps_reloc( Altera_desc *desc, ulong reloc_offset ); /* ------------------------------------------------------------------------- */ /* CYCLON2 Generic Implementation */ -int CYC2_load (Altera_desc * desc, void *buf, size_t bsize) +int CYC2_load(Altera_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; @@ -64,6 +46,16 @@ int CYC2_load (Altera_desc * desc, void *buf, size_t bsize) ret_val = CYC2_ps_load (desc, buf, bsize); break; + case fast_passive_parallel: + /* Fast Passive Parallel (FPP) and PS only differ in what is + * done in the write() callback. Use the existing PS load + * function for FPP, too. + */ + PRINTF ("%s: Launching Fast Passive Parallel Loader\n", + __FUNCTION__); + ret_val = CYC2_ps_load(desc, buf, bsize); + break; + /* Add new interface types here */ default: @@ -74,7 +66,7 @@ int CYC2_load (Altera_desc * desc, void *buf, size_t bsize) return ret_val; } -int CYC2_dump (Altera_desc * desc, void *buf, size_t bsize) +int CYC2_dump(Altera_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; @@ -99,33 +91,9 @@ int CYC2_info( Altera_desc *desc ) return FPGA_SUCCESS; } -int CYC2_reloc (Altera_desc * desc, ulong reloc_offset) -{ - int ret_val = FPGA_FAIL; /* assume a failure */ - - if (desc->family != Altera_CYC2) { - printf ("%s: Unsupported family type, %d\n", - __FUNCTION__, desc->family); - return FPGA_FAIL; - } else - switch (desc->iface) { - case passive_serial: - ret_val = CYC2_ps_reloc (desc, reloc_offset); - break; - - /* Add new interface types here */ - - default: - printf ("%s: Unsupported interface type, %d\n", - __FUNCTION__, desc->iface); - } - - return ret_val; -} - /* ------------------------------------------------------------------------- */ /* CYCLON2 Passive Serial Generic Implementation */ -static int CYC2_ps_load (Altera_desc * desc, void *buf, size_t bsize) +static int CYC2_ps_load(Altera_desc *desc, const void *buf, size_t bsize) { int ret_val = FPGA_FAIL; /* assume the worst */ Altera_CYC2_Passive_Serial_fns *fn = desc->iface_fns; @@ -159,7 +127,9 @@ static int CYC2_ps_load (Altera_desc * desc, void *buf, size_t bsize) } /* Establish the initial state */ - (*fn->config) (TRUE, TRUE, cookie); /* Assert nCONFIG */ + (*fn->config) (false, true, cookie); /* De-assert nCONFIG */ + udelay(100); + (*fn->config) (true, true, cookie); /* Assert nCONFIG */ udelay(2); /* T_cfg > 2us */ @@ -177,7 +147,7 @@ static int CYC2_ps_load (Altera_desc * desc, void *buf, size_t bsize) /* Get ready for the burn */ CONFIG_FPGA_DELAY (); - ret = (*fn->write) (buf, bsize, TRUE, cookie); + ret = (*fn->write) (buf, bsize, true, cookie); if (ret) { puts ("** Write failed.\n"); (*fn->abort) (cookie); @@ -225,7 +195,7 @@ static int CYC2_ps_load (Altera_desc * desc, void *buf, size_t bsize) return ret_val; } -static int CYC2_ps_dump (Altera_desc * desc, void *buf, size_t bsize) +static int CYC2_ps_dump(Altera_desc *desc, const void *buf, size_t bsize) { /* Readback is only available through the Slave Parallel and */ /* boundary-scan interfaces. */ @@ -233,69 +203,3 @@ static int CYC2_ps_dump (Altera_desc * desc, void *buf, size_t bsize) __FUNCTION__); return FPGA_FAIL; } - -static int CYC2_ps_reloc (Altera_desc * desc, ulong reloc_offset) -{ - int ret_val = FPGA_FAIL; /* assume the worst */ - Altera_CYC2_Passive_Serial_fns *fn_r, *fn = - (Altera_CYC2_Passive_Serial_fns *) (desc->iface_fns); - - if (fn) { - ulong addr; - - /* Get the relocated table address */ - addr = (ulong) fn + reloc_offset; - fn_r = (Altera_CYC2_Passive_Serial_fns *) addr; - - if (!fn_r->relocated) { - - if (memcmp (fn_r, fn, - sizeof (Altera_CYC2_Passive_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); - - addr = (ulong) (fn->pre) + reloc_offset; - fn_r->pre = (Altera_pre_fn) addr; - - addr = (ulong) (fn->config) + reloc_offset; - fn_r->config = (Altera_config_fn) addr; - - addr = (ulong) (fn->status) + reloc_offset; - fn_r->status = (Altera_status_fn) addr; - - addr = (ulong) (fn->done) + reloc_offset; - fn_r->done = (Altera_done_fn) addr; - - addr = (ulong) (fn->write) + reloc_offset; - fn_r->write = (Altera_write_fn) addr; - - addr = (ulong) (fn->abort) + reloc_offset; - fn_r->abort = (Altera_abort_fn) addr; - - addr = (ulong) (fn->post) + reloc_offset; - fn_r->post = (Altera_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; -}