mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-06 20:26:16 +02:00
42c88ed264
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11843 3c298f89-4303-0410-b956-a3cf2f4a3e73
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/**************************************************************************
|
|
*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* Serial port initialisation.
|
|
*
|
|
* Copyright 2004 IDT Inc. (rischelp@idt.com)
|
|
*
|
|
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
|
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* 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.,
|
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*
|
|
**************************************************************************
|
|
* May 2004 rkt, neb
|
|
*
|
|
* Initial Release
|
|
*
|
|
*
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
|
|
|
|
#include <linux/autoconf.h>
|
|
#include <linux/init.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/serial.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <asm/time.h>
|
|
#include <asm/cpu.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/serial.h>
|
|
#include <asm/rc32434/rc32434.h>
|
|
|
|
extern unsigned int idt_cpu_freq;
|
|
|
|
static struct uart_port serial_req = {
|
|
.type = PORT_16550A,
|
|
.line = 0,
|
|
.irq = RC32434_UART0_IRQ,
|
|
//.flags = STD_COM_FLAGS,
|
|
.iotype = UPIO_MEM,
|
|
.membase = (char *) KSEG1ADDR(RC32434_UART0_BASE),
|
|
// .fifosize = 14
|
|
.regshift = 2
|
|
};
|
|
|
|
int __init setup_serial_port(void)
|
|
{
|
|
serial_req.uartclk = idt_cpu_freq;
|
|
|
|
if (early_serial_setup(&serial_req))
|
|
return -ENODEV;
|
|
|
|
return(0);
|
|
}
|