44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/**
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* \file
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* \brief Kernel serial driver for the OMAP44xx UARTs.
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*/
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/*
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* Copyright (c) 2012-2015, ETH Zurich.
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* All rights reserved.
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*
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* This file is distributed under the terms in the attached LICENSE file.
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* If you do not find this file, copies can be found by writing to:
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* ETH Zurich D-INFK, Universitaetstrasse 6, CH-8092 Zurich. Attn: Systems Group.
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*/
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#ifndef __OMAP_UART_H__
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#define __OMAP_UART_H__
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#include <barrelfish_kpi/types.h>
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#include <stdbool.h>
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/*
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* Initialize UARTs before the MMU is on.
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*/
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extern void omap_uart_early_init(unsigned port, lpaddr_t base);
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/*
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* Re-initialize UARTs after the MMU is on.
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*/
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extern void omap_uart_init(unsigned port, lvaddr_t base, bool initialize_hw);
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/**
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* \brief Prints a single character to a serial port.
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*/
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extern void omap_uart_putchar(unsigned port, char c);
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/**
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* \brief Reads a single character from the default serial port.
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* This function spins waiting for a character to arrive.
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*/
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extern char omap_uart_getchar(unsigned port);
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#endif // __OMAP_UART_H__
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