mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 10:19:26 +00:00
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*-
|
|
* Copyright (c) 2009 Oleksandr Tymoshenko
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
|
*
|
|
*/
|
|
#include "opt_uart.h"
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/uart/uart.h>
|
|
#include <dev/uart/uart_cpu.h>
|
|
|
|
#include <mips/atheros/ar71xxreg.h>
|
|
#include <mips/atheros/ar71xx_bus_space_reversed.h>
|
|
|
|
bus_space_tag_t uart_bus_space_io;
|
|
bus_space_tag_t uart_bus_space_mem;
|
|
|
|
int
|
|
uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
|
|
{
|
|
return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
|
|
}
|
|
|
|
int
|
|
uart_cpu_getdev(int devtype, struct uart_devinfo *di)
|
|
{
|
|
uint64_t freq;
|
|
|
|
freq = ar71xx_ahb_freq();
|
|
|
|
di->ops = uart_getops(&uart_ns8250_class);
|
|
di->bas.chan = 0;
|
|
di->bas.bst = ar71xx_bus_space_reversed;
|
|
di->bas.regshft = 2;
|
|
di->bas.rclk = freq;
|
|
di->baudrate = 115200;
|
|
di->databits = 8;
|
|
di->stopbits = 1;
|
|
|
|
di->parity = UART_PARITY_NONE;
|
|
|
|
uart_bus_space_io = NULL;
|
|
uart_bus_space_mem = ar71xx_bus_space_reversed;
|
|
di->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR);
|
|
return (0);
|
|
}
|