/* * This file is part of the coreboot project. * * Copyright 2014 Google Inc. * * 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. */ #include <types.h> #include <console/uart.h> #include <arch/io.h> #include <boot/coreboot_tables.h> static uint8_t *buf = (void *)0x3f8; uintptr_t uart_platform_base(int idx) { return (uintptr_t) buf; } void uart_init(int idx) { } unsigned char uart_rx_byte(int idx) { return *buf; } void uart_tx_byte(int idx, unsigned char data) { *buf = data; } void uart_tx_flush(int idx) { } #ifndef __PRE_RAM__ void uart_fill_lb(void *data) { struct lb_serial serial; serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED; serial.baseaddr = 0x3f8; serial.baud = 115200; serial.regwidth = 1; lb_add_serial(&serial, data); lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data); } #endif