44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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/*
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* Copyright (c) 2020 ITE Corporation. All Rights Reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#include <kernel.h>
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#include <device.h>
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#include <init.h>
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#include <soc.h>
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static int ite_it8xxx2_init(const struct device *arg)
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{
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ARG_UNUSED(arg);
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart1), okay)
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/* uart1 board init */
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CGCTRL3R &= ~(BIT(2));
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AUTOCG &= ~(BIT(6));
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RSTDMMC |= BIT(3); /* Set EC side control */
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RSTC4 = BIT(1); /* W-One to reset controller */
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GPCRB0 = 0x00; /* tx pin init */
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GPCRB1 = 0x00; /* rx pin init */
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GPCRF3 = 0x00; /* rts pin init */
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GPCRD5 = 0x00; /* cts pin init */
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#endif /* DT_NODE_HAS_STATUS(DT_NODELABEL(uart1), okay) */
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#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart2), okay)
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/* uart2 board init */
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GCR21 &= ~(BIT(0) | BIT(1)); /* setting voltage 3.3v */
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CGCTRL3R &= ~(BIT(2));
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AUTOCG &= ~(BIT(5));
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RSTDMMC |= BIT(2); /* Set EC side control */
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RSTC4 = BIT(2); /* W-One to reset controller */
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GPCRH1 = 0x00; /* tx pin init */
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GPCRH2 = 0x00; /* rx pin init */
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GPCRE5 = 0x00; /* rts pin init */
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GPCRI7 = 0x00; /* cts pin init */
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#endif /* DT_NODE_HAS_STATUS(DT_NODELABEL(uart2), okay) */
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return 0;
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}
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SYS_INIT(ite_it8xxx2_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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