| /* |
| * Copyright (c) 2018 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, DT_UART_NS16550_PORT_0_BASE_ADDR+0x4); |
| sys_write32(0, DT_UART_NS16550_PORT_0_BASE_ADDR+0x10); |
| #endif /* CONFIG_UART_NS16550_PORT_0 */ |
| #ifdef CONFIG_UART_NS16550_PORT_1 |
| sys_write32(0, DT_UART_NS16550_PORT_1_BASE_ADDR+0x4); |
| sys_write32(0, DT_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 */ |
