zephyr/soc/riscv/riscv-ite/it8xxx2/soc.c

49 lines
1.3 KiB
C

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