139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/*
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* Copyright (c) 2015 Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file Contains configuration for ia32 platforms.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <device.h>
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#include <init.h>
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#include "board.h"
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#ifdef CONFIG_NS16550
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#include <uart.h>
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#include <bluetooth/uart.h>
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#include <console/uart_console.h>
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#include <serial/ns16550.h>
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#if defined(CONFIG_UART_CONSOLE) || defined(CONFIG_BLUETOOTH_UART)
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/**
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* @brief Initialize NS16550 serial port as console
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*
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* @param dev The UART device struct
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*
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* @return DEV_OK if successful, otherwise failed.
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*/
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static int ns16550_uart_init(struct device *dev)
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{
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#if defined(CONFIG_UART_CONSOLE)
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struct uart_init_info info = {
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.baud_rate = CONFIG_UART_CONSOLE_BAUDRATE,
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.sys_clk_freq = UART_XTAL_FREQ,
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.irq_pri = CONFIG_UART_CONSOLE_INT_PRI
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};
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if (dev == UART_CONSOLE_DEV) {
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uart_init(UART_CONSOLE_DEV, &info);
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}
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#endif
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#if defined(CONFIG_BLUETOOTH_UART_INDEX)
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if (dev == BT_UART_DEV) {
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bt_uart_init();
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}
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#endif
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return DEV_OK;
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}
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#else
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static int ns16550_uart_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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return DEV_OK;
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}
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#endif /* CONFIG_UART_CONSOLE || CONFIG_BLUETOOTH_UART */
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/**< UART device configuration */
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static struct uart_device_config ns16550_uart_dev_cfg[] = {
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{
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.port = CONFIG_UART_PORT_0_REGS,
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.irq = CONFIG_UART_PORT_0_IRQ,
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.irq_pri = CONFIG_UART_PORT_0_IRQ_PRIORITY,
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.port_init = ns16550_uart_port_init,
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#if defined(CONFIG_UART_CONSOLE) || defined(CONFIG_BLUETOOTH_UART)
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.config_func = ns16550_uart_init,
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#endif
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},
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{
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.port = CONFIG_UART_PORT_1_REGS,
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.irq = CONFIG_UART_PORT_1_IRQ,
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.irq_pri = CONFIG_UART_PORT_1_IRQ_PRIORITY,
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.port_init = ns16550_uart_port_init,
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#if defined(CONFIG_UART_CONSOLE) || defined(CONFIG_BLUETOOTH_UART)
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.config_func = ns16550_uart_init,
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#endif
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},
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};
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/**< UART device data */
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static struct uart_ns16550_dev_data_t ns16550_uart_dev_data[2];
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/* UART 0 */
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DECLARE_DEVICE_INIT_CONFIG(ns16550_uart0,
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CONFIG_UART_PORT_0_NAME,
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&uart_platform_init,
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&ns16550_uart_dev_cfg[0]);
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#if (defined(CONFIG_EARLY_CONSOLE) && \
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defined(CONFIG_UART_CONSOLE) && \
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(CONFIG_UART_CONSOLE_INDEX == 0))
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pre_kernel_core_init(ns16550_uart0, &ns16550_uart_dev_data[0]);
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#else
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pre_kernel_early_init(ns16550_uart0, &ns16550_uart_dev_data[0]);
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#endif /* CONFIG_EARLY_CONSOLE */
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/* UART 1 */
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DECLARE_DEVICE_INIT_CONFIG(ns16550_uart1,
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CONFIG_UART_PORT_1_NAME,
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&uart_platform_init,
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&ns16550_uart_dev_cfg[1]);
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#if (defined(CONFIG_EARLY_CONSOLE) && \
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defined(CONFIG_UART_CONSOLE) && \
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(CONFIG_UART_CONSOLE_INDEX == 1))
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pre_kernel_core_init(ns16550_uart1, &ns16550_uart_dev_data[1]);
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#else
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pre_kernel_early_init(ns16550_uart1, &ns16550_uart_dev_data[1]);
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#endif /* CONFIG_EARLY_CONSOLE */
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/**< UART Devices */
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struct device * const uart_devs[] = {
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&__initconfig_ns16550_uart0,
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&__initconfig_ns16550_uart1,
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};
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#endif
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