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/*
* Copyright (c) 2015 Intel Corporation.
* Copyright (c) 2016, Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file Board config file
*/
#include <device.h>
#include <init.h>
#include <kernel.h>
#include "soc.h"
#include <fsl_common.h>
#ifdef CONFIG_UART_K20
#include <uart.h>
#include <console/uart_console.h>
#include <serial/uart_k20_priv.h>
#endif /* CONFIG_UART_K20 */
/*
* UART configuration
*/
#ifdef CONFIG_UART_K20
static int uart_k20_init(struct device *dev)
{
uint32_t scgc4;
ARG_UNUSED(dev);
/* Although it is possible to modify the bits through
* *sim directly, the following code saves about 20 bytes
* of ROM space, compared to direct modification.
*/
scgc4 = SIM->SCGC4;
#ifdef CONFIG_UART_K20_PORT_0
scgc4 |= SIM_SCGC4_UART0(1);
#endif
#ifdef CONFIG_UART_K20_PORT_1
scgc4 |= SIM_SCGC4_UART1(1);
#endif
#ifdef CONFIG_UART_K20_PORT_2
scgc4 |= SIM_SCGC4_UART2(1);
#endif
#ifdef CONFIG_UART_K20_PORT_3
scgc4 |= SIM_SCGC4_UART3(1);
#endif
SIM->SCGC4 = scgc4;
#ifdef CONFIG_UART_K20_PORT_4
SIM->SCGC1 |= SIM_SCGC1_UART4(1);
#endif
return 0;
}
DEVICE_INIT(_uart_k20_init, "", uart_k20_init,
NULL, NULL,
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
#endif /* CONFIG_UART_K20 */
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