-/* ns_dev_can.c - FPGA version of C_CAN ARM device specific code
- * Linux CAN-bus device driver.
- * Written by Sebastian Stolzenberg email:stolzi@sebastian-stolzenberg.de
- * Based on code from Arnaud Westenberg email:arnaud@wanadoo.nl
- * and Ake Hedman, eurosource, akhe@eurosource.se
- * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
- * Ported to FS Forth-Systeme GmbH A9M9750DEVx development boards
- * email:nbryan@embebidos.com
- * This software is released under the GPL-License.
- * Version lincan-0.3 17 Jun 2004
- * This port 19 May 2005
- *
- */
+/**************************************************************************/
+/* File: ns_dev_can.c - FPGA version of C_CAN ARM device specific */
+/* Ported to FS Forth-Systeme GmbH A9M9750DEVx development boardscode */
+/* */
+/* LinCAN - (Not only) Linux CAN bus driver */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
+/* Copyright (C) 2004 Sebastian Stolzenberg <stolzi@sebastian-stolzenberg.de> */
+/* Copyright (C) 2005 Neil Bryan <nbryan@embebidos.com> */
+/* Funded by OCERA and FRESCOR IST projects */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
+/* and Ake Hedman, eurosource <akhe@eurosource.se> */
+/* */
+/* 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. */
+/**************************************************************************/
#include <linux/delay.h>
(unsigned long)candev->io_addr);
}
- if (!(candev->dev_base_addr = (long)ioremap(candev->io_addr, IO_RANGE))) {
+ if (!(candev->dev_base_addr = ioremap(candev->io_addr, IO_RANGE))) {
DEBUGMSG
("Failed to map IO-memory: 0x%lx - 0x%lx, mapped to 0x%lx\n",
(unsigned long)candev->io_addr,
*/
int ns_dev_release_io(struct candevice_t *candev)
{
- u16 tempReg;
- int i;
-
DEBUGMSG("(c%d)ns_dev_release_io (...)\n", candev->chip[0]->chip_idx);
/* Release I/O memory mapping */
- iounmap((void *)candev->dev_base_addr);
+ iounmap(candev->dev_base_addr);
/* Release the memory region */
can_release_mem_region(candev->io_addr, IO_RANGE);
*/
int ns_dev_init_hw_data(struct candevice_t *candev)
{
- u32 sys_contVA = 0;
+ can_ioptr_t sys_contVA = NULL;
/* LUCAN : Magic numbers */
- if (!(sys_contVA = (u32) ioremap(NS9750_PERIPHERAL_BASE_ADDRESS,
+ if (!(sys_contVA = ioremap(NS9750_PERIPHERAL_BASE_ADDRESS,
NS9750_PERIPHERAL_MAP_SIZE))) {
DEBUGMSG("Failed to map FPGA memory\n");
return -EIO;
} else {
DEBUGMSG("Writing to NS9750 sys cont\n");
- writel((BUS_WIDTH_16BIT | ACTIVE_LOW_CHIP_SELECT),
+ can_writel((BUS_WIDTH_16BIT | ACTIVE_LOW_CHIP_SELECT),
sys_contVA + NS9750_SYSTEM_CONTROLLER_OFFSET);
}
/* We have finished with this mapping */
- iounmap((void *)sys_contVA);
+ iounmap(sys_contVA);
candev->nr_82527_chips = 0;
candev->nr_sja1000_chips = 0;
* Return Value: The function does not return a value
* File: src/template.c
*/
-void ns_dev_write_register(unsigned data, unsigned long address)
+void ns_dev_write_register(unsigned data, can_ioptr_t address)
{
int i;
//unsigned long usecs = 1;
- writew(data, address);
+ can_writew(data, address);
//udelay( usecs );
for (i = 0; i < 5; i++) ;
}
* Return Value: The function returns the value stored in @address
* File: src/template.c
*/
-unsigned ns_dev_read_register(unsigned long address)
+unsigned ns_dev_read_register(can_ioptr_t address)
{
u16 value, i;
- value = readw(address);
+ value = can_readw(address);
//udelay( usecs );
for (i = 0; i < 5; i++) ;
- value = readw(address);
+ value = can_readw(address);
//udelay( usecs );
for (i = 0; i < 5; i++) ;
projects / lincan.git / blobdiff