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/*
* Atheros AR933X UART defines
*
* Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef __AR933X_UART_H
#define __AR933X_UART_H
#define AR933X_UART_REGS_SIZE 20
#define AR933X_UART_FIFO_SIZE 16
#define AR933X_UART_DATA_REG 0x00
#define AR933X_UART_CS_REG 0x04
#define AR933X_UART_CLOCK_REG 0x08
#define AR933X_UART_INT_REG 0x0c
#define AR933X_UART_INT_EN_REG 0x10
#define AR933X_UART_DATA_TX_RX_MASK 0xff
#define AR933X_UART_DATA_RX_CSR BIT(8)
#define AR933X_UART_DATA_TX_CSR BIT(9)
#define AR933X_UART_CS_PARITY_S 0
#define AR933X_UART_CS_PARITY_M 0x3
#define AR933X_UART_CS_PARITY_NONE 0
#define AR933X_UART_CS_PARITY_ODD 1
#define AR933X_UART_CS_PARITY_EVEN 2
#define AR933X_UART_CS_IF_MODE_S 2
#define AR933X_UART_CS_IF_MODE_M 0x3
#define AR933X_UART_CS_IF_MODE_NONE 0
#define AR933X_UART_CS_IF_MODE_DTE 1
#define AR933X_UART_CS_IF_MODE_DCE 2
#define AR933X_UART_CS_FLOW_CTRL_S 4
#define AR933X_UART_CS_FLOW_CTRL_M 0x3
#define AR933X_UART_CS_DMA_EN BIT(6)
#define AR933X_UART_CS_TX_READY_ORIDE BIT(7)
#define AR933X_UART_CS_RX_READY_ORIDE BIT(8)
#define AR933X_UART_CS_TX_READY BIT(9)
#define AR933X_UART_CS_RX_BREAK BIT(10)
#define AR933X_UART_CS_TX_BREAK BIT(11)
#define AR933X_UART_CS_HOST_INT BIT(12)
#define AR933X_UART_CS_HOST_INT_EN BIT(13)
#define AR933X_UART_CS_TX_BUSY BIT(14)
#define AR933X_UART_CS_RX_BUSY BIT(15)
#define AR933X_UART_CLOCK_STEP_M 0xffff
#define AR933X_UART_CLOCK_SCALE_M 0xfff
#define AR933X_UART_CLOCK_SCALE_S 16
#define AR933X_UART_CLOCK_STEP_M 0xffff
#define AR933X_UART_INT_RX_VALID BIT(0)
#define AR933X_UART_INT_TX_READY BIT(1)
#define AR933X_UART_INT_RX_FRAMING_ERR BIT(2)
#define AR933X_UART_INT_RX_OFLOW_ERR BIT(3)
#define AR933X_UART_INT_TX_OFLOW_ERR BIT(4)
#define AR933X_UART_INT_RX_PARITY_ERR BIT(5)
#define AR933X_UART_INT_RX_BREAK_ON BIT(6)
#define AR933X_UART_INT_RX_BREAK_OFF BIT(7)
#define AR933X_UART_INT_RX_FULL BIT(8)
#define AR933X_UART_INT_TX_EMPTY BIT(9)
#define AR933X_UART_INT_ALLINTS 0x3ff
#endif /* __AR933X_UART_H */
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