1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012 Adrian Chadd <[email protected]> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* 32 * Atheros AR933x SoC UART registers 33 */ 34 #ifndef __AR933X_UART_H__ 35 #define __AR933X_UART_H__ 36 37 #define AR933X_UART_REGS_SIZE 20 38 #define AR933X_UART_FIFO_SIZE 16 39 40 #define AR933X_UART_DATA_REG 0x00 41 #define AR933X_UART_CS_REG 0x04 42 #define AR933X_UART_CLOCK_REG 0x08 43 #define AR933X_UART_INT_REG 0x0c 44 #define AR933X_UART_INT_EN_REG 0x10 45 46 #define AR933X_UART_DATA_TX_RX_MASK 0xff 47 #define AR933X_UART_DATA_RX_CSR (1 << 8) 48 #define AR933X_UART_DATA_TX_CSR (1 << 9) 49 50 #define AR933X_UART_CS_PARITY_S 0 51 #define AR933X_UART_CS_PARITY_M 0x3 52 #define AR933X_UART_CS_PARITY_NONE 0 53 #define AR933X_UART_CS_PARITY_ODD 1 54 #define AR933X_UART_CS_PARITY_EVEN 2 55 #define AR933X_UART_CS_IF_MODE_S 2 56 #define AR933X_UART_CS_IF_MODE_M 0x3 57 #define AR933X_UART_CS_IF_MODE_NONE 0 58 #define AR933X_UART_CS_IF_MODE_DTE 1 59 #define AR933X_UART_CS_IF_MODE_DCE 2 60 #define AR933X_UART_CS_FLOW_CTRL_S 4 61 #define AR933X_UART_CS_FLOW_CTRL_M 0x3 62 #define AR933X_UART_CS_DMA_EN (1 << 6) 63 #define AR933X_UART_CS_TX_READY_ORIDE (1 << 7) 64 #define AR933X_UART_CS_RX_READY_ORIDE (1 << 8) 65 #define AR933X_UART_CS_TX_READY (1 << 9) 66 #define AR933X_UART_CS_RX_BREAK (1 << 10) 67 #define AR933X_UART_CS_TX_BREAK (1 << 11) 68 #define AR933X_UART_CS_HOST_INT (1 << 12) 69 #define AR933X_UART_CS_HOST_INT_EN (1 << 13) 70 #define AR933X_UART_CS_TX_BUSY (1 << 14) 71 #define AR933X_UART_CS_RX_BUSY (1 << 15) 72 73 #define AR933X_UART_CLOCK_SCALE_M 0xff 74 #define AR933X_UART_CLOCK_SCALE_S 16 75 #define AR933X_UART_CLOCK_STEP_M 0xffff 76 #define AR933X_UART_CLOCK_STEP_S 0 77 78 #define AR933X_UART_MAX_SCALE 0xff 79 #define AR933X_UART_MAX_STEP 0xffff 80 81 #define AR933X_UART_INT_RX_VALID (1 << 0) 82 #define AR933X_UART_INT_TX_READY (1 << 1) 83 #define AR933X_UART_INT_RX_FRAMING_ERR (1 << 2) 84 #define AR933X_UART_INT_RX_OFLOW_ERR (1 << 3) 85 #define AR933X_UART_INT_TX_OFLOW_ERR (1 << 4) 86 #define AR933X_UART_INT_RX_PARITY_ERR (1 << 5) 87 #define AR933X_UART_INT_RX_BREAK_ON (1 << 6) 88 #define AR933X_UART_INT_RX_BREAK_OFF (1 << 7) 89 #define AR933X_UART_INT_RX_FULL (1 << 8) 90 #define AR933X_UART_INT_TX_EMPTY (1 << 9) 91 #define AR933X_UART_INT_ALLINTS 0x3ff 92 93 #endif /* __AR933X_UART_H__ */ 94