a081568d70
As per the corresponding change to the serial drivers, arrange for ARM decompressors to give CRLF. Move the common putstr code into misc.c such that machines only need to supply "putc" and "flush" functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* linux/include/asm-arm/arch-imxads/uncompress.h
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*
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*
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*
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* Copyright (C) 1999 ARM Limited
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* Copyright (C) Shane Nay (shane@minirl.com)
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
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#define UART1_BASE 0x206000
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#define UART2_BASE 0x207000
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#define USR2 0x98
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#define USR2_TXFE (1<<14)
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#define TXR 0x40
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#define UCR1 0x80
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#define UCR1_UARTEN 1
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/*
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* The following code assumes the serial port has already been
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* initialized by the bootloader. We search for the first enabled
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* port in the most probable order. If you didn't setup a port in
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* your bootloader then nothing will appear (which might be desired).
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*
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* This does not append a newline
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*/
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static void putc(int c)
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{
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unsigned long serial_port;
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do {
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serial_port = UART1_BASE;
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if ( UART(UCR1) & UCR1_UARTEN )
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break;
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serial_port = UART2_BASE;
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if ( UART(UCR1) & UCR1_UARTEN )
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break;
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return;
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} while(0);
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while (!(UART(USR2) & USR2_TXFE))
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barrier();
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UART(TXR) = c;
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}
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static inline void flush(void)
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{
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}
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/*
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* nothing to do
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*/
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#define arch_decomp_setup()
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#define arch_decomp_wdog()
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