a081568d70
As per the corresponding change to the serial drivers, arrange for ARM decompressors to give CRLF. Move the common putstr code into misc.c such that machines only need to supply "putc" and "flush" functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* include/asm-arm/arch-at91rm9200/uncompress.h
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*
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* Copyright (C) 2003 SAN People
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_UNCOMPRESS_H
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#define __ASM_ARCH_UNCOMPRESS_H
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#include <asm/arch/hardware.h>
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/*
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* The following code assumes the serial port has already been
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* initialized by the bootloader. We search for the first enabled
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* port in the most probable order. If you didn't setup a port in
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* your bootloader then nothing will appear (which might be desired).
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*
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* This does not append a newline
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*/
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static void putc(int c)
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{
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void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
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while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
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barrier();
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__raw_writel(c, sys + AT91_DBGU_THR);
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}
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static inline void flush(void)
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{
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void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
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/* wait for transmission to complete */
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while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
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barrier();
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}
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#define arch_decomp_setup()
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#define arch_decomp_wdog()
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#endif
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