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/************************************************************************************
* arch/arm/src/str71x/str71x_uart.h
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_STR71X_STR71X_UART_H
#define __ARCH_ARM_SRC_STR71X_STR71X_UART_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "str71x_map.h"
/************************************************************************************
* Pre-procesor Definitions
************************************************************************************/
/* Registers offsets ****************************************************************/
#define STR71X_UART_BR_OFFSET (0x0000) /* 16-bits wide */
#define STR71X_UART_TXBUFR_OFFSET (0x0004) /* 16-bits wide */
#define STR71X_UART_RXBUFR_OFFSET (0x0008) /* 16-bits wide */
#define STR71X_UART_CR_OFFSET (0x000c) /* 16-bits wide */
#define STR71X_UART_IER_OFFSET (0x0010) /* 16-bits wide */
#define STR71X_UART_SR_OFFSET (0x0014) /* 16-bits wide */
#define STR71X_UART_GTR_OFFSET (0x0018) /* 16-bits wide */
#define STR71X_UART_TOR_OFFSET (0x001c) /* 16-bits wide */
#define STR71X_UART_TXRSTR_OFFSET (0x0020) /* 16-bits wide */
#define STR71X_UART_RXRSTR_OFFSET (0x0024) /* 16-bits wide */
/* Registers addresses **************************************************************/
#define STR71X_UART_BR(b) ((b) + STR71X_UART_BR_OFFSET)
#define STR71X_UART_TXBUFR(b) ((b) + STR71X_UART_TXBUFR_OFFSET)
#define STR71X_UART_RXBUFR(b) ((b) + STR71X_UART_RXBUFR_OFFSET)
#define STR71X_UART_CR(b) ((b) + STR71X_UART_CR_OFFSET)
#define STR71X_UART_IER(b) ((b) + STR71X_UART_IER_OFFSET)
#define STR71X_UART_SR(b) ((b) + STR71X_UART_SR_OFFSET)
#define STR71X_UART_GTR(b) ((b) + STR71X_UART_GTR_OFFSET)
#define STR71X_UART_TOR(b) ((b) + STR71X_UART_TOR_OFFSET)
#define STR71X_UART_TXRSTR(b) ((b) + STR71X_UART_TXRSTR_OFFSET)
#define STR71X_UART_RXRSTR(b) ((b) + STR71X_UART_RXRSTR_OFFSET)
#define STR71X_UART0_BR (STR71X_UART0_BASE + STR71X_UART_BR_OFFSET)
#define STR71X_UART0_TXBUFR (STR71X_UART0_BASE + STR71X_UART_TXBUFR_OFFSET)
#define STR71X_UART0_RXBUFR (STR71X_UART0_BASE + STR71X_UART_RXBUFR_OFFSET)
#define STR71X_UART0_CR (STR71X_UART0_BASE + STR71X_UART_CR_OFFSET)
#define STR71X_UART0_IER (STR71X_UART0_BASE + STR71X_UART_IER_OFFSET)
#define STR71X_UART0_SR (STR71X_UART0_BASE + STR71X_UART_SR_OFFSET)
#define STR71X_UART0_GTR (STR71X_UART0_BASE + STR71X_UART_GTR_OFFSET)
#define STR71X_UART0_TOR (STR71X_UART0_BASE + STR71X_UART_TOR_OFFSET)
#define STR71X_UART0_TXRSTR (STR71X_UART0_BASE + STR71X_UART_TXRSTR_OFFSET)
#define STR71X_UART0_RXRSTR (STR71X_UART0_BASE + STR71X_UART_RXRSTR_OFFSET)
#define STR71X_UART1_BR (STR71X_UART1_BASE + STR71X_UART_BR_OFFSET)
#define STR71X_UART1_TXBUFR (STR71X_UART1_BASE + STR71X_UART_TXBUFR_OFFSET)
#define STR71X_UART1_RXBUFR (STR71X_UART1_BASE + STR71X_UART_RXBUFR_OFFSET)
#define STR71X_UART1_CR (STR71X_UART1_BASE + STR71X_UART_CR_OFFSET)
#define STR71X_UART1_IER (STR71X_UART1_BASE + STR71X_UART_IER_OFFSET)
#define STR71X_UART1_SR (STR71X_UART1_BASE + STR71X_UART_SR_OFFSET)
#define STR71X_UART1_GTR (STR71X_UART1_BASE + STR71X_UART_GTR_OFFSET)
#define STR71X_UART1_TOR (STR71X_UART1_BASE + STR71X_UART_TOR_OFFSET)
#define STR71X_UART1_TXRSTR (STR71X_UART1_BASE + STR71X_UART_TXRSTR_OFFSET)
#define STR71X_UART1_RXRSTR (STR71X_UART1_BASE + STR71X_UART_RXRSTR_OFFSET)
#define STR71X_UART2_BR (STR71X_UART2_BASE + STR71X_UART_BR_OFFSET)
#define STR71X_UART2_TXBUFR (STR71X_UART2_BASE + STR71X_UART_TXBUFR_OFFSET)
#define STR71X_UART2_RXBUFR (STR71X_UART2_BASE + STR71X_UART_RXBUFR_OFFSET)
#define STR71X_UART2_CR (STR71X_UART2_BASE + STR71X_UART_CR_OFFSET)
#define STR71X_UART2_IER (STR71X_UART2_BASE + STR71X_UART_IER_OFFSET)
#define STR71X_UART2_SR (STR71X_UART2_BASE + STR71X_UART_SR_OFFSET)
#define STR71X_UART2_GTR (STR71X_UART2_BASE + STR71X_UART_GTR_OFFSET)
#define STR71X_UART2_TOR (STR71X_UART2_BASE + STR71X_UART_TOR_OFFSET)
#define STR71X_UART2_TXRSTR (STR71X_UART2_BASE + STR71X_UART_TXRSTR_OFFSET)
#define STR71X_UART2_RXRSTR (STR71X_UART2_BASE + STR71X_UART_RXRSTR_OFFSET)
#define STR71X_UART3_BR (STR71X_UART3_BASE + STR71X_UART_BR_OFFSET)
#define STR71X_UART3_TXBUFR (STR71X_UART3_BASE + STR71X_UART_TXBUFR_OFFSET)
#define STR71X_UART3_RXBUFR (STR71X_UART3_BASE + STR71X_UART_RXBUFR_OFFSET)
#define STR71X_UART3_CR (STR71X_UART3_BASE + STR71X_UART_CR_OFFSET)
#define STR71X_UART3_IER (STR71X_UART3_BASE + STR71X_UART_IER_OFFSET)
#define STR71X_UART3_SR (STR71X_UART3_BASE + STR71X_UART_SR_OFFSET)
#define STR71X_UART3_GTR (STR71X_UART3_BASE + STR71X_UART_GTR_OFFSET)
#define STR71X_UART3_TOR (STR71X_UART3_BASE + STR71X_UART_TOR_OFFSET)
#define STR71X_UART3_TXRSTR (STR71X_UART3_BASE + STR71X_UART_TXRSTR_OFFSET)
#define STR71X_UART3_RXRSTR (STR71X_UART3_BASE + STR71X_UART_RXRSTR_OFFSET)
/* Register bit settings ***********************************************************/
/* UART control register (CR) */
#define STR71X_UARTCR_MODEMASK (0x0007) /* Bits 0-2: Mode */
#define STR71X_UARTCR_MODE8BIT (0x0001) /* 8-bit */
#define STR71X_UARTCR_MODE7BITP (0x0003) /* 7-bit with parity bit */
#define STR71X_UARTCR_MODE9BIT (0x0004) /* 9-bit */
#define STR71X_UARTCR_MODE8BITWU (0x0005) /* 8-bit with wakeup bit */
#define STR71X_UARTCR_MODE8BITP (0x0007) /* 8-bit with parity bit */
#define STR71X_UARTCR_STOPBITSMASK (0x0018) /* Bits 3-4: Stop bits */
#define STR71X_UARTCR_STOPBIT05 (0x0000) /* 0.5 stop bits */
#define STR71X_UARTCR_STOPBIT10 (0x0008) /* 1.0 stop bit */
#define STR71X_UARTCR_STOPBIT15 (0x0010) /* 1.5 stop bits */
#define STR71X_UARTCR_STOPBIT20 (0x0018) /* 2.0 stop bits */
#define STR71X_UARTCR_PARITYODD (0x0020) /* Bit 5: Parity selection */
#define STR71X_UARTCR_LOOPBACK (0x0040) /* Bit 6: Loopback mode enable */
#define STR71X_UARTCR_RUN (0x0080) /* Bit 7: Baudrate generator run bit */
#define STR71X_UARTCR_RXENABLE (0x0100) /* Bit 8: Receiver enable */
#define STR71X_UARTCR_SCENABLE (0x0200) /* Bit 9: SmartCard mode enable */
#define STR71X_UARTCR_FIFOENABLE (0x0400) /* Bit 10: FIFO enable */
/* UART interrupt enable (IER) register */
#define STR71X_UARTIER_RNE (0x0001) /* Bit 0: Rx buffer not empty */
#define STR71X_UARTIER_TE (0x0002) /* Bit 1: Tx empty */
#define STR71X_UARTIER_THE (0x0004) /* Bit 2: Tx half empty */
#define STR71X_UARTIER_PERROR (0x0008) /* Bit 3: Parity error */
#define STR71X_UARTIER_FRERROR (0x0010) /* Bit 4: Frame error */
#define STR71X_UARTIER_OVERRUN (0x0020) /* Bit 5: Overrun error */
#define STR71X_UARTIER_TIMEOUTNE (0x0040) /* Bit 6: Time out not empty*/
#define STR71X_UARTIER_TIMEOUTIDLE (0x0080) /* Bit 7: Timeout out idle */
#define STR71X_UARTIER_RHF (0x0100) /* Bit 8: Rx half full */
#define STR71X_UARTIER_ALL (0x01ff) /* All interrupt bits */
/* UART status register (SR) */
#define STR71X_UARTSR_RNE (0x0001) /* Bit 0: Rx buffer not empty */
#define STR71X_UARTSR_TE (0x0002) /* Bit 1: Tx empty */
#define STR71X_UARTSR_THE (0x0004) /* Bit 2: Tx half empty */
#define STR71X_UARTSR_PERR (0x0008) /* Bit 3: Parity error */
#define STR71X_UARTSR_FRERROR (0x0010) /* Bit 4: Frame error */
#define STR71X_UARTSR_OVERRUN (0x0020) /* Bit 5: Overrun error */
#define STR71X_UARTSR_TIMEOUTNE (0x0040) /* Bit 6: Time out not empty */
#define STR71X_UARTSR_TIMEOUTIDLE (0x0080) /* Bit 7: Timeout out idle */
#define STR71X_UARTSR_RHF (0x0100) /* Bit 8: Rx half full */
#define STR71X_UARTSR_TF (0x0200) /* Bit 9: Tx full */
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_STR71X_STR71X_UART_H */
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