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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Atheros AR933X UART defines * * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> */ #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 2 #define AR933X_UART_CS_PARITY_EVEN 3 #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 */