6b13f685e
 김민수
BSP 최초 추가
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/*
* 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);
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