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https://github.com/zephyrproject-rtos/zephyr
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11e5f7db6c
This was tested with a the hello world application. UART 0 was used as console for displaying "Hello World! mec2016evb_assy6797" to the a serial terminal. Signed-off-by: Francisco Munoz <francisco.munoz.ruiz@intel.com>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <device.h>
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#include <init.h>
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#include <kernel.h>
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#include "soc.h"
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static int board_pinmux_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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/* See table 2-4 from the Data sheet*/
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#ifdef CONFIG_UART_NS16550_PORT_0
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/* Set muxing, for UART 0 and power up */
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PCR_INST->CLK_REQ_2_b.UART_0_CLK_REQ = 1;
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UART0_INST->CONFIG = 0;
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UART0_INST->ACTIVATE = 1;
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GPIO_100_137_INST->GPIO_104_PIN_CONTROL_b.MUX_CONTROL = 1;
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GPIO_100_137_INST->GPIO_105_PIN_CONTROL_b.MUX_CONTROL = 1;
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#endif
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#ifdef CONFIG_UART_NS16550_PORT_1
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/* Set muxing, for UART 1 and power up */
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PCR_INST->CLK_REQ_2_b.UART_1_CLK_REQ = 1;
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UART1_INST->CONFIG = 0;
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UART1_INST->ACTIVATE = 1;
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GPIO_140_176_INST->GPIO_170_PIN_CONTROL_b.MUX_CONTROL = 2;
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GPIO_140_176_INST->GPIO_171_PIN_CONTROL_b.MUX_CONTROL = 2;
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GPIO_100_137_INST->GPIO_113_PIN_CONTROL_b.GPIO_DIRECTION = 1;
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#endif
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return 0;
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}
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SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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