35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/*
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* Copyright (C) 2010 B Labs Ltd
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* Author: Alexey Zaytsev <alexey.zaytsev@gmail.com>
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*
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* barebox 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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* barebox 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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#ifndef __MACH_DEBUG_LL_H__
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#define __MACH_DEBUG_LL_H__
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#include <linux/amba/serial.h>
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#include <io.h>
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static inline void PUTC_LL(char c)
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{
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/* Wait until there is space in the FIFO */
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while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF);
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/* Send the character */
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writel(c, 0x101F1000 + UART01x_DR);
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/* Wait to make sure it hits the line, in case we die too soon. */
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while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF);
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}
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#endif
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