X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/630df2e744772666f8083739340c1703d146e7ab..074e90ee2a9a0a573bc987097650e9c1ec233337:/lincan/src/m437.c diff --git a/lincan/src/m437.c b/lincan/src/m437.c index f72943a..da772e8 100644 --- a/lincan/src/m437.c +++ b/lincan/src/m437.c @@ -1,14 +1,42 @@ -/* m437.c - * Linux CAN-bus device driver. - * Written by Arnaud Westenberg email:arnaud@wanadoo.nl - * Rewritten for new CAN queues by Pavel Pisa - OCERA team member - * email:pisa@cmp.felk.cvut.cz - * This software is released under the GPL-License. - * Version lincan-0.3 17 Jun 2004 - * - * 15 July 2008 updated by Philippe Corbes, email:philippe.corbes@logibag.com +/**************************************************************************/ +/* File: m437.c - M437 PC/104 card by SECO */ +/* */ +/* LinCAN - (Not only) Linux CAN bus driver */ +/* Copyright (C) 2002-2009 DCE FEE CTU Prague */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* Copyright (C) 2008 Philippe Corbes */ +/* Copyright (C) 2001 Fabio Parodi */ +/* Funded by OCERA and FRESCOR IST projects */ +/* Based on CAN driver code by Arnaud Westenberg */ +/* */ +/* LinCAN is free software; you can redistribute it and/or modify it */ +/* under terms of the GNU General Public License as published by the */ +/* Free Software Foundation; either version 2, or (at your option) any */ +/* later version. LinCAN 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 LinCAN; see file */ +/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */ +/* Cambridge, MA 02139, USA. */ +/* */ +/* To allow use of LinCAN in the compact embedded systems firmware */ +/* and RT-executives (RTEMS for example), main authors agree with next */ +/* special exception: */ +/* */ +/* Including LinCAN header files in a file, instantiating LinCAN generics */ +/* or templates, or linking other files with LinCAN objects to produce */ +/* an application image/executable, does not by itself cause the */ +/* resulting application image/executable to be covered by */ +/* the GNU General Public License. */ +/* This exception does not however invalidate any other reasons */ +/* why the executable file might be covered by the GNU Public License. */ +/* Publication of enhanced or derived LinCAN files is required although. */ +/**************************************************************************/ + +/* * This driver has been designed to support "Memory (MEM)" mode. - * For example: Memory, MEM:0xD0000 => io=0xD0000. + * For example: Memory, MEM:0xD0000 => io=0xD0000. * Configure the card with m437set.com provided by seco before loading driver. * This software is released under the GPL-License. */ @@ -112,24 +140,24 @@ int m437_release_io(struct candevice_t *candev) */ #if 0 /* Object reset method */ unsigned i; - + /* disable IRQ generation */ m437_write_register(iCTL_CCE, candev->dev_base_addr+iCTL); /* clear all message objects */ for (i=1; i<=15; i++) { m437_write_register( - INTPD_RES | - RXIE_RES | - TXIE_RES | - MVAL_RES, + INTPD_RES | + RXIE_RES | + TXIE_RES | + MVAL_RES, candev->dev_base_addr+i*0x10+iMSGCTL0); m437_write_register( - NEWD_RES | - MLST_RES | - CPUU_RES | - TXRQ_RES | - RMPD_RES, + NEWD_RES | + MLST_RES | + CPUU_RES | + TXRQ_RES | + RMPD_RES, candev->dev_base_addr+i*0x10+iMSGCTL1); } @@ -174,7 +202,7 @@ int m437_reset(struct candevice_t *candev) /* Check hardware reset status */ i=0; while ( (m437_read_register(candev->dev_base_addr+iCPU) & iCPU_RST) && (i<=15)) { - udelay(20000); + mdelay(20); i++; } if (i>=15) {