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| File: [Development] / linux-2.6-xfs / include / asm-arm / arch-ixp4xx / Attic / uncompress.h (download)
Revision 1.2, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Upgrade kernel to 2.6.9-rc3 and kdb to 4.4 Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd. |
/*
* include/asm-arm/arch-ixp4xx/uncompress.h
*
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003-2004 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.
*
*/
#ifndef _ARCH_UNCOMPRESS_H_
#define _ARCH_UNCOMPRESS_H_
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <linux/serial_reg.h>
#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
static volatile u32* uart_base;
static __inline__ void putc(char c)
{
/* Check THRE and TEMT bits before we transmit the character.
*/
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE);
*uart_base = c;
}
/*
* This does not append a newline
*/
static void putstr(const char *s)
{
while (*s)
{
putc(*s);
if (*s == '\n')
putc('\r');
s++;
}
}
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
/*
* Coyote only has UART2 connected
*/
if (machine_is_adi_coyote())
uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
else
uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
}
/*
* arch_id is a variable in decompress_kernel()
*/
#define arch_decomp_setup() __arch_decomp_setup(arch_id)
#define arch_decomp_wdog()
#endif