34 lines
731 B
C
34 lines
731 B
C
/*
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* Copyright 2013 Jean-Christophe PLAGNIOL-VILLARD <plagniol@jcrosoft.com>
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*
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* GPLv2 only
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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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#define DEBUG_LL_PHYS_BASE 0x10000000
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#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
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#ifdef MP
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#define UART_BASE DEBUG_LL_PHYS_BASE
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#else
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#define UART_BASE DEBUG_LL_PHYS_BASE_RS1
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#endif
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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(UART_BASE + UART01x_FR) & UART01x_FR_TXFF);
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/* Send the character */
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writel(c, UART_BASE + 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(UART_BASE + UART01x_FR) & UART01x_FR_TXFF);
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}
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#endif
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