| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| * FIXME(dhendrix): This file contains generic prototypes for UART functions. |
| * The existing headers are too specific to the 8250, so we need a better |
| * abstraction for use with non-8250 UARTs. |
| */ |
| |
| #ifndef UART_H |
| #define UART_H |
| |
| unsigned char uart_rx_byte(void); |
| void uart_tx_byte(unsigned char data); |
| void uart_tx_flush(void); |
| |
| void uart_init(void); |
| |
| #endif /* UART_H */ |