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/*-
* 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_cpudef.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);
}
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