diff options
Diffstat (limited to 'sys/mips/rmi/uart_cpu_mips_xlr.c')
| -rw-r--r-- | sys/mips/rmi/uart_cpu_mips_xlr.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/mips/rmi/uart_cpu_mips_xlr.c b/sys/mips/rmi/uart_cpu_mips_xlr.c new file mode 100644 index 0000000..816dec2 --- /dev/null +++ b/sys/mips/rmi/uart_cpu_mips_xlr.c @@ -0,0 +1,84 @@ +/*- + * 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); +} |
