freebsd-dev/sys/mips/rmi/uart_cpu_mips_xlr.c
Randall Stewart 7a7f91f61b ok we now get so that the uart init's and we can print. We
cannot set baud rate as they did in 6.4, this hoses things and
we loose our 38400 default term.

We now lock somewhere in tcinit.
2009-11-05 18:14:25 +00:00

85 lines
2.6 KiB
C

/*-
* Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org>
* 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.
*
* $Id: uart_cpu_mips_xlr.c,v 1.5 2008-07-16 20:22:39 jayachandranc Exp $
*/
/*
* Skeleton of this file was based on respective code for ARM
* code written by Olivier Houchard.
*/
/*
* XLRMIPS: This file is hacked from arm/...
*/
#include "opt_uart.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/cons.h>
#include <machine/bus.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_cpu.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <mips/rmi/iomap.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)
{
di->ops = uart_getops(&uart_ns8250_class);
di->bas.chan = 0;
di->bas.bst = rmi_bus_space;
di->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
di->bas.regshft = 2;
/* divisor = rclk / (baudrate * 16); */
di->bas.rclk = 66000000;
di->baudrate = 0;
di->databits = 8;
di->stopbits = 1;
di->parity = UART_PARITY_NONE;
uart_bus_space_io = NULL;
uart_bus_space_mem = rmi_bus_space;
return (0);
}