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File: [Development] / linux-2.6-xfs / arch / arm / mach-clps7500 / include / mach / uncompress.h (download)

Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

/*
 * arch/arm/mach-clps7500/include/mach/uncompress.h
 *
 * Copyright (C) 1999, 2000 Nexus Electronics Ltd.
 */
#define BASE 0x03010000
#define SERBASE (BASE + (0x2f8 << 2))

static inline void putc(char c)
{
	while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20))
		barrier();

	*((volatile unsigned int *)(SERBASE)) = c;
}

static inline void flush(void)
{
}

static __inline__ void arch_decomp_setup(void)
{
	int baud = 3686400 / (9600 * 32);

	*((volatile unsigned int *)(SERBASE + 0xC)) = 0x80;
	*((volatile unsigned int *)(SERBASE + 0x0)) = baud & 0xff;
	*((volatile unsigned int *)(SERBASE + 0x4)) = (baud & 0xff00) >> 8;
	*((volatile unsigned int *)(SERBASE + 0xC)) = 3; /* 8 bits */
	*((volatile unsigned int *)(SERBASE + 0x10)) = 3; /* DTR, RTS */
}

/*
 * nothing to do
 */
#define arch_decomp_wdog()