55 lines
1.9 KiB
C
55 lines
1.9 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/tty.h>
|
||
|
|
#include <linux/serial_core.h>
|
||
|
|
#include <linux/serial_8250.h>
|
||
|
|
#include <linux/irq.h>
|
||
|
|
|
||
|
|
#include <asm/serial.h>
|
||
|
|
#include <asm/mach-rc32434/rb.h>
|
||
|
|
|
||
|
|
extern unsigned int idt_cpu_freq;
|
||
|
|
|
||
|
|
static struct uart_port rb532_uart = {
|
||
|
|
.flags = UPF_BOOT_AUTOCONF,
|
||
|
|
.line = 0,
|
||
|
|
.irq = UART0_IRQ,
|
||
|
|
.iotype = UPIO_MEM,
|
||
|
|
.membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
|
||
|
|
.regshift = 2
|
||
|
|
};
|
||
|
|
|
||
|
|
int __init setup_serial_port(void)
|
||
|
|
{
|
||
|
|
rb532_uart.uartclk = idt_cpu_freq;
|
||
|
|
|
||
|
|
return early_serial_setup(&rb532_uart);
|
||
|
|
}
|
||
|
|
arch_initcall(setup_serial_port);
|