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arch
arm
mach-ixp4xx
include
mach
uncompress.h
Go to the documentation of this file.
1
/*
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* arch/arm/mach-ixp4xx/include/mach/uncompress.h
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*
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* Copyright (C) 2002 Intel Corporation.
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* Copyright (C) 2003-2004 MontaVista Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef _ARCH_UNCOMPRESS_H_
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#define _ARCH_UNCOMPRESS_H_
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#include "
ixp4xx-regs.h
"
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#include <
asm/mach-types.h
>
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#include <
linux/serial_reg.h
>
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#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
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volatile
u32
*
uart_base
;
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static
inline
void
putc
(
int
c
)
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{
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/* Check THRE and TEMT bits before we transmit the character.
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*/
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while
((
uart_base
[
UART_LSR
] &
TX_DONE
) != TX_DONE)
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barrier
();
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*
uart_base
=
c
;
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}
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static
void
flush(
void
)
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{
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}
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static
__inline__
void
__arch_decomp_setup(
unsigned
long
arch_id
)
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{
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/*
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* Some boards are using UART2 as console
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*/
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if
(machine_is_adi_coyote() || machine_is_gtwx5715() ||
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machine_is_gateway7001() || machine_is_wg302v2() ||
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machine_is_devixp() || machine_is_miccpt() || machine_is_mic256())
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uart_base
= (
volatile
u32
*)
IXP4XX_UART2_BASE_PHYS
;
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else
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uart_base
= (
volatile
u32
*)
IXP4XX_UART1_BASE_PHYS
;
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}
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/*
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* arch_id is a variable in decompress_kernel()
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*/
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#define arch_decomp_setup() __arch_decomp_setup(arch_id)
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#define arch_decomp_wdog()
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#endif
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1.8.2