36 lines
841 B
C
36 lines
841 B
C
/*
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* Copyright (c) 2016 Synopsys, Inc. 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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#include <device.h>
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#include <init.h>
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#include "soc.h"
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#ifdef CONFIG_UART_NS16550
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static int uart_ns16550_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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/* On ARC EM Starter kit board,
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* send the UART the command to clear the interrupt
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*/
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#ifdef CONFIG_UART_NS16550_PORT_0
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sys_write32(0, UART_NS16550_PORT_0_BASE_ADDR+0x4);
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sys_write32(0, UART_NS16550_PORT_0_BASE_ADDR+0x10);
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#endif /* CONFIG_UART_NS16550_PORT_0 */
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#ifdef CONFIG_UART_NS16550_PORT_1
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sys_write32(0, UART_NS16550_PORT_1_BASE_ADDR+0x4);
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sys_write32(0, UART_NS16550_PORT_1_BASE_ADDR+0x10);
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#endif /* CONFIG_UART_NS16550_PORT_1 */
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return 0;
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}
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SYS_INIT(uart_ns16550_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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#endif /* CONFIG_UART_NS16550 */
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