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/*
* Copyright 2003 - 2011 NetLogic Microsystems , Inc . ( NetLogic ) . All rights
* reserved .
*
* This software is available to you under a choice of one of two
* licenses . You may choose to be licensed under the terms of the GNU
* General Public License ( GPL ) Version 2 , available from the file
* COPYING in the main directory of this source tree , or the NetLogic
* license below :
*
* 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 NETLOGIC ` ` 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 NETLOGIC 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 <linux/types.h>
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# include <linux/serial_reg.h>
# include <asm/mipsregs.h>
# include <asm/netlogic/haldefs.h>
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# include <asm/netlogic/common.h>
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# if defined(CONFIG_CPU_XLP)
# include <asm/netlogic/xlp-hal/iomap.h>
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# include <asm/netlogic/xlp-hal/xlp.h>
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# include <asm/netlogic/xlp-hal/uart.h>
# elif defined(CONFIG_CPU_XLR)
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# include <asm/netlogic/xlr/iomap.h>
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# endif
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void prom_putchar ( char c )
{
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uint64_t uartbase ;
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# if defined(CONFIG_CPU_XLP)
uartbase = nlm_get_uart_regbase ( 0 , 0 ) ;
# elif defined(CONFIG_CPU_XLR)
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uartbase = nlm_mmio_base ( NETLOGIC_IO_UART_0_OFFSET ) ;
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# endif
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while ( ( nlm_read_reg ( uartbase , UART_LSR ) & UART_LSR_THRE ) = = 0 )
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;
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nlm_write_reg ( uartbase , UART_TX , c ) ;
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}