1 /* 2 * Atheros AR933X UART defines 3 * 4 * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation. 9 */ 10 11 #ifndef __AR933X_UART_H 12 #define __AR933X_UART_H 13 14 #define AR933X_UART_REGS_SIZE 20 15 #define AR933X_UART_FIFO_SIZE 16 16 17 #define AR933X_UART_DATA_REG 0x00 18 #define AR933X_UART_CS_REG 0x04 19 #define AR933X_UART_CLOCK_REG 0x08 20 #define AR933X_UART_INT_REG 0x0c 21 #define AR933X_UART_INT_EN_REG 0x10 22 23 #define AR933X_UART_DATA_TX_RX_MASK 0xff 24 #define AR933X_UART_DATA_RX_CSR BIT(8) 25 #define AR933X_UART_DATA_TX_CSR BIT(9) 26 27 #define AR933X_UART_CS_PARITY_S 0 28 #define AR933X_UART_CS_PARITY_M 0x3 29 #define AR933X_UART_CS_PARITY_NONE 0 30 #define AR933X_UART_CS_PARITY_ODD 1 31 #define AR933X_UART_CS_PARITY_EVEN 2 32 #define AR933X_UART_CS_IF_MODE_S 2 33 #define AR933X_UART_CS_IF_MODE_M 0x3 34 #define AR933X_UART_CS_IF_MODE_NONE 0 35 #define AR933X_UART_CS_IF_MODE_DTE 1 36 #define AR933X_UART_CS_IF_MODE_DCE 2 37 #define AR933X_UART_CS_FLOW_CTRL_S 4 38 #define AR933X_UART_CS_FLOW_CTRL_M 0x3 39 #define AR933X_UART_CS_DMA_EN BIT(6) 40 #define AR933X_UART_CS_TX_READY_ORIDE BIT(7) 41 #define AR933X_UART_CS_RX_READY_ORIDE BIT(8) 42 #define AR933X_UART_CS_TX_READY BIT(9) 43 #define AR933X_UART_CS_RX_BREAK BIT(10) 44 #define AR933X_UART_CS_TX_BREAK BIT(11) 45 #define AR933X_UART_CS_HOST_INT BIT(12) 46 #define AR933X_UART_CS_HOST_INT_EN BIT(13) 47 #define AR933X_UART_CS_TX_BUSY BIT(14) 48 #define AR933X_UART_CS_RX_BUSY BIT(15) 49 50 #define AR933X_UART_CLOCK_STEP_M 0xffff 51 #define AR933X_UART_CLOCK_SCALE_M 0xfff 52 #define AR933X_UART_CLOCK_SCALE_S 16 53 #define AR933X_UART_CLOCK_STEP_M 0xffff 54 55 #define AR933X_UART_INT_RX_VALID BIT(0) 56 #define AR933X_UART_INT_TX_READY BIT(1) 57 #define AR933X_UART_INT_RX_FRAMING_ERR BIT(2) 58 #define AR933X_UART_INT_RX_OFLOW_ERR BIT(3) 59 #define AR933X_UART_INT_TX_OFLOW_ERR BIT(4) 60 #define AR933X_UART_INT_RX_PARITY_ERR BIT(5) 61 #define AR933X_UART_INT_RX_BREAK_ON BIT(6) 62 #define AR933X_UART_INT_RX_BREAK_OFF BIT(7) 63 #define AR933X_UART_INT_RX_FULL BIT(8) 64 #define AR933X_UART_INT_TX_EMPTY BIT(9) 65 #define AR933X_UART_INT_ALLINTS 0x3ff 66 67 #endif /* __AR933X_UART_H */ 68