/* * This file is part of the coreboot project. * * Copyright (C) 2013 Google, Inc. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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. */ #include #include #define VEXPRESS_UART0_IO_ADDRESS (0x10009000) static void pl011_init_dev(void) { } static void pl011_uart_tx_byte(unsigned char data) { static volatile unsigned int *uart0_address = (unsigned int *)VEXPRESS_UART0_IO_ADDRESS; *uart0_address = (unsigned int)data; } static void pl011_uart_tx_flush(void) { } #if !defined(__PRE_RAM__) static const struct console_driver pl011_uart_console __console = { .init = pl011_init_dev, .tx_byte = pl011_uart_tx_byte, .tx_flush = pl011_uart_tx_flush, }; uint32_t uartmem_getbaseaddr(void) { return VEXPRESS_UART0_IO_ADDRESS; } #else void uart_init(void) { pl011_init_dev(); } void uart_tx_byte(unsigned char data) { pl011_uart_tx_byte(data); } void uart_tx_flush(void) { pl011_uart_tx_flush(); } #endif