4d91ecaf4c
Processor, UART, PIC and Messaging Network code. Also add sys/mips/nlm/hal for on-chip device registers. In collaboration with: Prabhath Raman <prabhathpr at netlogicmicro com> Approved by: bz(re), jmallett, imp(mips)
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*-
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* Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* NETLOGIC_BSD */
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/*
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* Skeleton of this file was based on respective code for ARM
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* code written by Olivier Houchard.
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*/
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/*
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* XLRMIPS: This file is hacked from arm/...
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*/
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#include "opt_uart.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/cons.h>
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#include <sys/kdb.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <machine/bus.h>
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#include <dev/uart/uart.h>
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#include <dev/uart/uart_cpu.h>
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#include <mips/nlm/hal/mmio.h>
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#include <mips/nlm/hal/iomap.h>
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#include <mips/nlm/hal/uart.h>
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bus_space_tag_t uart_bus_space_io;
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bus_space_tag_t uart_bus_space_mem;
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int
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uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
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{
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return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
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}
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int
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uart_cpu_getdev(int devtype, struct uart_devinfo *di)
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{
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di->ops = uart_getops(&uart_ns8250_class);
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di->bas.chan = 0;
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di->bas.bst = rmi_bus_space;
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di->bas.bsh = nlm_regbase_uart(0, 0) + XLP_IO_PCI_HDRSZ;
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di->bas.regshft = 2;
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/* divisor = rclk / (baudrate * 16); */
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di->bas.rclk = 133000000;
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di->baudrate = 115200;
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di->databits = 8;
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di->stopbits = 1;
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di->parity = UART_PARITY_NONE;
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uart_bus_space_io = NULL;
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uart_bus_space_mem = rmi_bus_space;
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return (0);
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}
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