mirror of https://gitee.com/openkylin/linux.git
39 lines
976 B
C
39 lines
976 B
C
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/* arch/arm/mach-lh7a40x/include/mach/uncompress.h
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*
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* Copyright (C) 2004 Coastal Environmental Systems
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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*/
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#include <mach/registers.h>
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#ifndef UART_R_DATA
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# define UART_R_DATA (0x00)
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#endif
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#ifndef UART_R_STATUS
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# define UART_R_STATUS (0x10)
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#endif
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#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */
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/* Access UART with physical addresses before MMU is setup */
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#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS))
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#define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA))
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static inline void putc(int ch)
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{
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while (UART_STATUS & nTxRdy)
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barrier();
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UART_DATA = ch;
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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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/* NULL functions; we don't presently need them */
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#define arch_decomp_setup()
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#define arch_decomp_wdog()
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