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/*
* include/asm-arm/arch-at91/uncompress.h
*
* Copyright (C) 2003 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H
#include <asm/io.h>
#include <asm/arch/at91_dbgu.h>
/*
* The following code assumes the serial port has already been
* initialized by the bootloader. If you didn't setup a port in
* your bootloader then nothing will appear (which might be desired).
*
* This does not append a newline
*/
static void putc(int c)
{
#ifdef AT91_DBGU
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
barrier();
__raw_writel(c, sys + AT91_DBGU_THR);
#endif
}
static inline void flush(void)
{
#ifdef AT91_DBGU
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
/* wait for transmission to complete */
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
barrier();
#endif
}
#define arch_decomp_setup()
#define arch_decomp_wdog()
#endif
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