27 lines
641 B
C
27 lines
641 B
C
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __CADENCE_UART_H__
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#define __CADENCE_UART_H__
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/* This is very minimalistic and will only work in QEMU. */
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/* CADENCE Registers */
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#define R_UART_CR 0
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#define R_UART_CR_RXRST (1 << 0) /* RX logic reset */
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#define R_UART_CR_TXRST (1 << 1) /* TX logic reset */
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#define R_UART_CR_RX_EN (1 << 2) /* RX enabled */
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#define R_UART_CR_TX_EN (1 << 4) /* TX enabled */
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#define R_UART_SR 0x2C
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#define UART_SR_INTR_REMPTY_BIT 1
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#define UART_SR_INTR_TFUL_BIT 4
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#define R_UART_TX 0x30
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#define R_UART_RX 0x30
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#endif
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