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