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41 lines
910 B
C
41 lines
910 B
C
/*
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* Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
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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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#ifndef __ASM_ARCH_UNCOMPRESS_H
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#define __ASM_ARCH_UNCOMPRESS_H
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#include <linux/serial_reg.h>
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#include <asm/io.h>
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#include <mach/hardware.h>
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#include <mach/cpu.h>
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#define UART_SHIFT (2)
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/* cannot be static because the code will be inlined */
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void __iomem *uart_base;
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static inline void putc(int c)
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{
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while (!(__raw_readb(uart_base + (UART_LSR << UART_SHIFT)) & UART_LSR_TEMT));
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__raw_writeb(c, uart_base + (UART_TX << UART_SHIFT));
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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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static inline void arch_decomp_setup(void)
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{
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if (soc_is_mcs8140())
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uart_base = (void __iomem *)(_PHYS_CONFADDR + _CONFOFFSET_UART);
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}
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#define arch_decomp_wdog()
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#endif
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