zephyr/arch/arc/soc/em11d/soc_config.c

36 lines
841 B
C

/*
* Copyright (c) 2016 Synopsys, Inc. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <device.h>
#include <init.h>
#include "soc.h"
#ifdef CONFIG_UART_NS16550
static int uart_ns16550_init(struct device *dev)
{
ARG_UNUSED(dev);
/* On ARC EM Starter kit board,
* send the UART the command to clear the interrupt
*/
#ifdef CONFIG_UART_NS16550_PORT_0
sys_write32(0, UART_NS16550_PORT_0_BASE_ADDR+0x4);
sys_write32(0, UART_NS16550_PORT_0_BASE_ADDR+0x10);
#endif /* CONFIG_UART_NS16550_PORT_0 */
#ifdef CONFIG_UART_NS16550_PORT_1
sys_write32(0, UART_NS16550_PORT_1_BASE_ADDR+0x4);
sys_write32(0, UART_NS16550_PORT_1_BASE_ADDR+0x10);
#endif /* CONFIG_UART_NS16550_PORT_1 */
return 0;
}
SYS_INIT(uart_ns16550_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
#endif /* CONFIG_UART_NS16550 */