android_kernel_xiaomi_sm8350/arch/mips/rb532/serial.c
Ralf Baechle 73b4390fb2 [MIPS] Routerboard 532: Support for base system
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-20 14:38:18 +01:00

54 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 <asm/serial.h>
#include <asm/mach-rc32434/rc32434.h>
extern unsigned int idt_cpu_freq;
static struct uart_port rb532_uart = {
.type = PORT_16550A,
.line = 0,
.irq = RC32434_UART0_IRQ,
.iotype = UPIO_MEM,
.membase = (char *)KSEG1ADDR(RC32434_UART0_BASE),
.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);