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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-10-31 12:26:55 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2008-12-05 22:41:33 +0100 |
commit | c8aa7dfc18f7cc90d0aea6c7becbb67dfc5bba4b (patch) | |
tree | d9292e4adfabed6d397a3c301f7eb23677fdc12d /common/cyclon2.c | |
parent | 90665e3d97948000f98846ded37c921c7ae67dd7 (diff) | |
download | u-boot-imx-c8aa7dfc18f7cc90d0aea6c7becbb67dfc5bba4b.zip u-boot-imx-c8aa7dfc18f7cc90d0aea6c7becbb67dfc5bba4b.tar.gz u-boot-imx-c8aa7dfc18f7cc90d0aea6c7becbb67dfc5bba4b.tar.bz2 |
FPGA: move fpga drivers to drivers/fpga
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'common/cyclon2.c')
-rw-r--r-- | common/cyclon2.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/common/cyclon2.c b/common/cyclon2.c deleted file mode 100644 index 3ed64b2..0000000 --- a/common/cyclon2.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * (C) Copyright 2006 - * 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 - * - */ - -#include <common.h> /* core U-Boot definitions */ -#include <altera.h> -#include <ACEX1K.h> /* ACEX device family */ - -/* Define FPGA_DEBUG to get debug printf's */ -#ifdef FPGA_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - -/* 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 CONFIG_SYS_FPGA_WAIT -#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_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 ret_val = FPGA_FAIL; - - switch (desc->iface) { - case passive_serial: - PRINTF ("%s: Launching Passive Serial Loader\n", __FUNCTION__); - ret_val = CYC2_ps_load (desc, buf, bsize); - break; - - /* Add new interface types here */ - - default: - printf ("%s: Unsupported interface type, %d\n", - __FUNCTION__, desc->iface); - } - - return ret_val; -} - -int CYC2_dump (Altera_desc * desc, void *buf, size_t bsize) -{ - int ret_val = FPGA_FAIL; - - switch (desc->iface) { - case passive_serial: - PRINTF ("%s: Launching Passive Serial Dump\n", __FUNCTION__); - ret_val = CYC2_ps_dump (desc, buf, bsize); - break; - - /* Add new interface types here */ - - default: - printf ("%s: Unsupported interface type, %d\n", - __FUNCTION__, desc->iface); - } - - return ret_val; -} - -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) -{ - int ret_val = FPGA_FAIL; /* assume the worst */ - Altera_CYC2_Passive_Serial_fns *fn = desc->iface_fns; - int ret = 0; - - PRINTF ("%s: start with interface functions @ 0x%p\n", - __FUNCTION__, fn); - - if (fn) { - 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" - "config:\t0x%p\n" - "status:\t0x%p\n" - "write:\t0x%p\n" - "done:\t0x%p\n\n", - __FUNCTION__, &fn, fn, fn->config, fn->status, - fn->write, fn->done); -#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - printf ("Loading FPGA Device %d...", cookie); -#endif - - /* - * Run the pre configuration function if there is one. - */ - if (*fn->pre) { - (*fn->pre) (cookie); - } - - /* Establish the initial state */ - (*fn->config) (TRUE, TRUE, cookie); /* Assert nCONFIG */ - - udelay(2); /* T_cfg > 2us */ - - /* Wait for nSTATUS to be asserted */ - ts = get_timer (0); /* get current time */ - do { - CONFIG_FPGA_DELAY (); - if (get_timer (ts) > CONFIG_SYS_FPGA_WAIT) { /* check the time */ - puts ("** Timeout waiting for STATUS to go high.\n"); - (*fn->abort) (cookie); - return FPGA_FAIL; - } - } while (!(*fn->status) (cookie)); - - /* Get ready for the burn */ - CONFIG_FPGA_DELAY (); - - ret = (*fn->write) (buf, bsize, TRUE, cookie); - if (ret) { - puts ("** Write failed.\n"); - (*fn->abort) (cookie); - return FPGA_FAIL; - } -#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - puts(" OK? ..."); -#endif - - CONFIG_FPGA_DELAY (); - -#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - putc (' '); /* terminate the dotted line */ -#endif - - /* - * Checking FPGA's CONF_DONE signal - correctly booted ? - */ - - if ( ! (*fn->done) (cookie) ) { - puts ("** Booting failed! CONF_DONE is still deasserted.\n"); - (*fn->abort) (cookie); - return (FPGA_FAIL); - } -#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - puts(" OK\n"); -#endif - - ret_val = FPGA_SUCCESS; - -#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK - if (ret_val == FPGA_SUCCESS) { - puts ("Done.\n"); - } - else { - puts ("Fail.\n"); - } -#endif - (*fn->post) (cookie); - - } else { - printf ("%s: NULL Interface function table!\n", __FUNCTION__); - } - - return ret_val; -} - -static int CYC2_ps_dump (Altera_desc * desc, void *buf, size_t bsize) -{ - /* Readback is only available through the Slave Parallel and */ - /* boundary-scan interfaces. */ - printf ("%s: Passive Serial Dumping is unavailable\n", - __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; -} |