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/************************************************************************************
* arch/arm/src/str71x/str71x_can.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_CAN_H
#define __ARCH_ARM_SRC_STR71X_STR71X_CAN_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "str71x_map.h"
/************************************************************************************
* Pre-procesor Definitions
************************************************************************************/
/* Registers ************************************************************************/
#define STR71X_CAN_CR (STR71X_CAN_BASE + 0x0000) /* 16-bits wide */
#define STR71X_CAN_SR (STR71X_CAN_BASE + 0x0004) /* 16-bits wide */
#define STR71X_CAN_ERR (STR71X_CAN_BASE + 0x0008) /* 16-bits wide */
#define STR71X_CAN_BTR (STR71X_CAN_BASE + 0x000c) /* 16-bits wide */
#define STR71X_CAN_IDR (STR71X_CAN_BASE + 0x0010) /* 16-bits wide */
#define STR71X_CAN_TESTR (STR71X_CAN_BASE + 0x0014) /* 16-bits wide */
#define STR71X_CAN_BRPR (STR71X_CAN_BASE + 0x0018) /* 16-bits wide */
#define STR71X_CAN_IF1BASE (STR71X_CAN_BASE + 0x0020)
#define STR71X_CAN_IF2BASE (STR71X_CAN_BASE + 0x0080)
#define STR71X_CAN_CRR_OFFSET (0x0000) /* 16-bits wide */
#define STR71X_CAN_CMR_OFFSET (0x0004) /* 16-bits wide */
#define STR71X_CAN_M1R_OFFSET (0x0008) /* 16-bits wide */
#define STR71X_CAN_M2R_OFFSET (0x000c) /* 16-bits wide */
#define STR71X_CAN_A1R_OFFSET (0x0010) /* 16-bits wide */
#define STR71X_CAN_A2R_OFFSET (0x0014) /* 16-bits wide */
#define STR71X_CAN_MCR_OFFSET (0x0018) /* 16-bits wide */
#define STR71X_CAN_DA1R_OFFSET (0x001c) /* 16-bits wide */
#define STR71X_CAN_DA2R_OFFSET (0x0020) /* 16-bits wide */
#define STR71X_CAN_DB1R_OFFSET (0x0024) /* 16-bits wide */
#define STR71X_CAN_DB2R_OFFSET (0x0028) /* 16-bits wide */
#define STR71X_CAN_CRR(b) ((b) + STR71X_CAN_CRR_OFFSET)
#define STR71X_CAN_CMR(b) ((b) + STR71X_CAN_CMR_OFFSET)
#define STR71X_CAN_M1R(b) ((b) + STR71X_CAN_M1R_OFFSET)
#define STR71X_CAN_M2R(b) ((b) + STR71X_CAN_M2R_OFFSET)
#define STR71X_CAN_A1R(b) ((b) + STR71X_CAN_A1R_OFFSET)
#define STR71X_CAN_A2R(b) ((b) + STR71X_CAN_A2R_OFFSET)
#define STR71X_CAN_MCR(b) ((b) + STR71X_CAN_MCR_OFFSET)
#define STR71X_CAN_DA1R(b) ((b) + STR71X_CAN_DA1R_OFFSET)
#define STR71X_CAN_DA2R(b) ((b) + STR71X_CAN_DA2R_OFFSET)
#define STR71X_CAN_DB1R(b) ((b) + STR71X_CAN_DB1R_OFFSET)
#define STR71X_CAN_DB2R(b) ((b) + STR71X_CAN_DB2R_OFFSET)
#define STR71X_CAN_IF1CRR (STR71X_CAN_IF1BASE + STR71X_CAN_CRR_OFFSET)
#define STR71X_CAN_IF1CMR (STR71X_CAN_IF1BASE + STR71X_CAN_CMR_OFFSET)
#define STR71X_CAN_IF1M1R (STR71X_CAN_IF1BASE + STR71X_CAN_M1R_OFFSET)
#define STR71X_CAN_IF1M2R (STR71X_CAN_IF1BASE + STR71X_CAN_M2R_OFFSET)
#define STR71X_CAN_IF1A1R (STR71X_CAN_IF1BASE + STR71X_CAN_A1R_OFFSET)
#define STR71X_CAN_IF1A2R (STR71X_CAN_IF1BASE + STR71X_CAN_A2R_OFFSET)
#define STR71X_CAN_IF1MCR (STR71X_CAN_IF1BASE + STR71X_CAN_MCR_OFFSET)
#define STR71X_CAN_IF1DA1R (STR71X_CAN_IF1BASE + STR71X_CAN_DA1R_OFFSET)
#define STR71X_CAN_IF1DA2R (STR71X_CAN_IF1BASE + STR71X_CAN_DA2R_OFFSET)
#define STR71X_CAN_IF1DB1R (STR71X_CAN_IF1BASE + STR71X_CAN_DB1R_OFFSET)
#define STR71X_CAN_IF1DB2R (STR71X_CAN_IF1BASE + STR71X_CAN_DB2R_OFFSET)
#define STR71X_CAN_IF2CRR (STR71X_CAN_IF2BASE + STR71X_CAN_CRR_OFFSET)
#define STR71X_CAN_IF2CMR (STR71X_CAN_IF2BASE + STR71X_CAN_CMR_OFFSET)
#define STR71X_CAN_IF2M1R (STR71X_CAN_IF2BASE + STR71X_CAN_M1R_OFFSET)
#define STR71X_CAN_IF2M2R (STR71X_CAN_IF2BASE + STR71X_CAN_M2R_OFFSET)
#define STR71X_CAN_IF2A1R (STR71X_CAN_IF2BASE + STR71X_CAN_A1R_OFFSET)
#define STR71X_CAN_IF2A2R (STR71X_CAN_IF2BASE + STR71X_CAN_A2R_OFFSET)
#define STR71X_CAN_IF2MCR (STR71X_CAN_IF2BASE + STR71X_CAN_MCR_OFFSET)
#define STR71X_CAN_IF2DA1R (STR71X_CAN_IF2BASE + STR71X_CAN_DA1R_OFFSET)
#define STR71X_CAN_IF2DA2R (STR71X_CAN_IF2BASE + STR71X_CAN_DA2R_OFFSET)
#define STR71X_CAN_IF2DB1R (STR71X_CAN_IF2BASE + STR71X_CAN_DB1R_OFFSET)
#define STR71X_CAN_IF2DB2R (STR71X_CAN_IF2BASE + STR71X_CAN_DB2R_OFFSET)
#define STR71X_CAN_TR1R (STR71X_CAN_BASE + 0x0100) /* 16-bits wide */
#define STR71X_CAN_TR2R (STR71X_CAN_BASE + 0x0104) /* 16-bits wide */
#define STR71X_CAN_ND1R (STR71X_CAN_BASE + 0x0120) /* 16-bits wide */
#define STR71X_CAN_ND2R (STR71X_CAN_BASE + 0x0124) /* 16-bits wide */
#define STR71X_CAN_IP1R (STR71X_CAN_BASE + 0x0140) /* 16-bits wide */
#define STR71X_CAN_IP2R (STR71X_CAN_BASE + 0x0144) /* 16-bits wide */
#define STR71X_CAN_MV1R (STR71X_CAN_BASE + 0x0160) /* 16-bits wide */
#define STR71X_CAN_MV2R (STR71X_CAN_BASE + 0x0164) /* 16-bits wide */
/* Register bit settings ***********************************************************/
/* Control register */
#define STR41X_CANCR_INIT (0x0001)
#define STR41X_CANCR_IE (0x0002)
#define STR41X_CANCR_SIE (0x0004)
#define STR41X_CANCR_EIE (0x0008)
#define STR41X_CANCR_DAR (0x0020)
#define STR41X_CANCR_CCE (0x0040)
#define STR41X_CANCR_TEST (0x0080)
/* Status register */
#define STR41X_CANSR_LEC (0x0007)
#define STR41X_CANSR_TXOK (0x0008)
#define STR41X_CANSR_RXOK (0x0010)
#define STR41X_CANSR_EPASS (0x0020)
#define STR41X_CANSR_EWARN (0x0040)
#define STR41X_CANSR_BOFF (0x0080)
/* Test register */
#define STR41X_CANTESTR_BASIC (0x0004)
#define STR41X_CANTESTR_SILENT (0x0008)
#define STR41X_CANTESTR_LBACK (0x0010)
#define STR41X_CANTESTR_TX0 (0x0020)
#define STR41X_CANTESTR_TX1 (0x0040)
#define STR41X_CANTESTR_RX (0x0080)
/* IFn / Command Request register */
#define STR41X_CANCRR_BUSY (0x8000)
/* IFn / Command Mask register */
#define STR41X_CANCMR_DATAB (0x0001)
#define STR41X_CANCMR_DATAA (0x0002)
#define STR41X_CANCMR_TXRQST (0x0004)
#define STR41X_CANCMR_CLRINTPND (0x0008)
#define STR41X_CANCMR_CONTROL (0x0010)
#define STR41X_CANCMR_ARB (0x0020)
#define STR41X_CANCMR_MASK (0x0040)
#define STR41X_CANCMR_WRRD (0x0080)
/* IFn / Mask 2 register */
#define STR41X_CANM2R_MXTD (0x8000)
#define STR41X_CANM2R_MDIR (0x4000)
/* IFn / Arbitration 2 register */
#define STR41X_CANA2R_DIR (0x2000)
#define STR41X_CANA2R_XTD (0x4000)
#define STR41X_CANA2R_MSGVAL (0x8000)
/* IFn / Message Control register */
#define STR41X_CANMCR_EOB (0x0080)
#define STR41X_CANMCR_TXRQST (0x0100)
#define STR41X_CANMCR_RMTEN (0x0200)
#define STR41X_CANMCR_RXIE (0x0400)
#define STR41X_CANMCR_TXIE (0x0800)
#define STR41X_CANMCR_UMASK (0x1000)
#define STR41X_CANMCR_INTPND (0x2000)
#define STR41X_CANMCR_MSGLST (0x4000)
#define STR41X_CANMCR_NEWDAT (0x8000)
/* Message ID limits */
#define STR41X_CAN_LASTSTDID ((1 << 11) - 1)
#define STR41X_CAN_LASTEXTID ((1 << 29) - 1)
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_STR71X_STR71X_CAN_H */
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