Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2013 Google, Inc. |
| 5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public |
| 7 | * License version 2, as published by the Free Software Foundation, and |
| 8 | * may be copied, distributed, and modified under those terms. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
Kyösti Mälkki | bbf6f3d | 2014-03-15 01:32:55 +0200 | [diff] [blame^] | 16 | #include <boot/coreboot_tables.h> |
Kyösti Mälkki | 1d7541f | 2014-02-17 21:34:42 +0200 | [diff] [blame] | 17 | #include <console/uart.h> |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 18 | |
Kyösti Mälkki | c2610a4 | 2014-02-24 20:51:30 +0200 | [diff] [blame] | 19 | static void pl011_uart_tx_byte(unsigned int *uart_base, unsigned char data) |
Kyösti Mälkki | 7e75f20 | 2014-02-10 23:21:14 +0200 | [diff] [blame] | 20 | { |
Kyösti Mälkki | c2610a4 | 2014-02-24 20:51:30 +0200 | [diff] [blame] | 21 | *uart_base = (unsigned int)data; |
| 22 | } |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 23 | |
Kyösti Mälkki | c2610a4 | 2014-02-24 20:51:30 +0200 | [diff] [blame] | 24 | unsigned int uart_platform_base(int idx) |
| 25 | { |
| 26 | return CONFIG_CONSOLE_SERIAL_UART_ADDRESS; |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 27 | } |
| 28 | |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 29 | void uart_init(void) |
| 30 | { |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | void uart_tx_byte(unsigned char data) |
| 34 | { |
Kyösti Mälkki | c2610a4 | 2014-02-24 20:51:30 +0200 | [diff] [blame] | 35 | unsigned int *uart_base = uart_platform_baseptr(0); |
| 36 | pl011_uart_tx_byte(uart_base, data); |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 37 | } |
| 38 | |
Kyösti Mälkki | 7e75f20 | 2014-02-10 23:21:14 +0200 | [diff] [blame] | 39 | void uart_tx_flush(void) |
| 40 | { |
Hung-Te Lin | 7635a60 | 2013-02-12 00:07:38 +0800 | [diff] [blame] | 41 | } |
Kyösti Mälkki | 0567c91 | 2014-02-14 10:31:38 +0200 | [diff] [blame] | 42 | |
| 43 | unsigned char uart_rx_byte(void) |
| 44 | { |
| 45 | return 0; |
| 46 | } |
Kyösti Mälkki | bbf6f3d | 2014-03-15 01:32:55 +0200 | [diff] [blame^] | 47 | |
| 48 | #ifndef __PRE_RAM__ |
| 49 | void uart_fill_lb(void *data) |
| 50 | { |
| 51 | struct lb_serial serial; |
| 52 | serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED; |
| 53 | serial.baseaddr = uart_platform_base(0); |
| 54 | serial.baud = default_baudrate(); |
| 55 | lb_add_serial(&serial, data); |
| 56 | |
| 57 | lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data); |
| 58 | } |
| 59 | #endif |