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linux/arch/arm/mach-pxa/include/mach/uncompress.h
Mike Rapoport 321d9eb32a [ARM] pxa/cm-x300: use STUART for uncompressor
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
2009-06-05 10:50:27 +08:00

48 lines
993 B
C

/*
* arch/arm/mach-pxa/include/mach/uncompress.h
*
* Author: Nicolas Pitre
* Copyright: (C) 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/serial_reg.h>
#include <mach/regs-uart.h>
#include <asm/mach-types.h>
#define __REG(x) ((volatile unsigned long *)x)
static volatile unsigned long *UART = FFUART;
static inline void putc(char c)
{
if (!(UART[UART_IER] & IER_UUE))
return;
while (!(UART[UART_LSR] & LSR_TDRQ))
barrier();
UART[UART_TX] = c;
}
/*
* This does not append a newline
*/
static inline void flush(void)
{
}
static inline void arch_decomp_setup(void)
{
if (machine_is_littleton() || machine_is_intelmote2()
|| machine_is_csb726() || machine_is_stargate2()
|| machine_is_cm_x300())
UART = STUART;
}
/*
* nothing to do
*/
#define arch_decomp_wdog()