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| File: [Development] / linux-2.6-xfs / include / asm-arm / arch-sa1100 / Attic / uncompress.h (download)
Revision 1.3, Mon May 29 16:35:25 2006 UTC (11 years, 4 months ago) by nathans.longdrop.melbourne.sgi.com
Merge up to 2.6.17-rc5. Merge of 2.6.x-xfs-melb:linux:26065a by kenmcd. |
/*
* linux/include/asm-arm/arch-brutus/uncompress.h
*
* (C) 1999 Nicolas Pitre <nico@cam.org>
*
* Reorganised to be machine independent.
*/
#include "hardware.h"
/*
* The following code assumes the serial port has already been
* initialized by the bootloader. We search for the first enabled
* port in the most probable order. If you didn't setup a port in
* your bootloader then nothing will appear (which might be desired).
*/
#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
static void putc(int c)
{
unsigned long serial_port;
do {
serial_port = _Ser3UTCR0;
if (UART(UTCR3) & UTCR3_TXE) break;
serial_port = _Ser1UTCR0;
if (UART(UTCR3) & UTCR3_TXE) break;
serial_port = _Ser2UTCR0;
if (UART(UTCR3) & UTCR3_TXE) break;
return;
} while (0);
/* wait for space in the UART's transmitter */
while (!(UART(UTSR1) & UTSR1_TNF))
barrier();
/* send the character out. */
UART(UTDR) = c;
}
static inline void flush(void)
{
}
/*
* Nothing to do for these
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()