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embeddedsw/XilinxProcessorIPLib/drivers/canps/src/xcanps_hw.h
Jagannadha Sutradharudu Teki 2c8f92039d embeddesw: Add initial code support 
Added initial support Xilinx Embedded Software.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
2014-06-24 16:45:01 +05:30

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/******************************************************************************
*
* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/*****************************************************************************/
/**
*
* @file xcanps_hw.h
*
* This header file contains the identifiers and basic driver functions (or
* macros) that can be used to access the device. Other driver functions
* are defined in xcanps.h.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ----- -------- -----------------------------------------------
* 1.00a xd/sv 01/12/10 First release
* 1.01a sbs 12/27/11 Updated the Register/bit definitions
* Changed XCANPS_RXFWIR_RXFLL_MASK to XCANPS_WIR_FW_MASK
* Changed XCANPS_RXWIR_OFFSET to XCANPS_WIR_OFFSET
* Added XCANPS_IXR_TXFEMP_MASK for Tx Fifo Empty
* Changed XCANPS_IXR_RXFLL_MASK to
* XCANPS_IXR_RXFWMFLL_MASK
* Changed
* XCANPS_TXBUF_ID_OFFSET to XCANPS_TXHPB_ID_OFFSET
* XCANPS_TXBUF_DLC_OFFSET to XCANPS_TXHPB_DLC_OFFSET
* XCANPS_TXBUF_DW1_OFFSET to XCANPS_TXHPB_DW1_OFFSET
* XCANPS_TXBUF_DW2_OFFSET to XCANPS_TXHPB_DW2_OFFSET
* 1.02a adk 08/08/13 Updated for inclding the function prototype
* </pre>
*
******************************************************************************/
#ifndef XCANPS_HW_H /* prevent circular inclusions */
#define XCANPS_HW_H /* by using protection macros */
#ifdef __cplusplus
extern "C" {
#endif
/***************************** Include Files *********************************/
#include "xil_types.h"
#include "xil_assert.h"
#include "xil_io.h"
/************************** Constant Definitions *****************************/
/** @name Register offsets for the CAN. Each register is 32 bits.
* @{
*/
#define XCANPS_SRR_OFFSET 0x00 /**< Software Reset Register */
#define XCANPS_MSR_OFFSET 0x04 /**< Mode Select Register */
#define XCANPS_BRPR_OFFSET 0x08 /**< Baud Rate Prescaler */
#define XCANPS_BTR_OFFSET 0x0C /**< Bit Timing Register */
#define XCANPS_ECR_OFFSET 0x10 /**< Error Counter Register */
#define XCANPS_ESR_OFFSET 0x14 /**< Error Status Register */
#define XCANPS_SR_OFFSET 0x18 /**< Status Register */
#define XCANPS_ISR_OFFSET 0x1C /**< Interrupt Status Register */
#define XCANPS_IER_OFFSET 0x20 /**< Interrupt Enable Register */
#define XCANPS_ICR_OFFSET 0x24 /**< Interrupt Clear Register */
#define XCANPS_TCR_OFFSET 0x28 /**< Timestamp Control Register */
#define XCANPS_WIR_OFFSET 0x2C /**< Watermark Interrupt Reg */
#define XCANPS_TXFIFO_ID_OFFSET 0x30 /**< TX FIFO ID */
#define XCANPS_TXFIFO_DLC_OFFSET 0x34 /**< TX FIFO DLC */
#define XCANPS_TXFIFO_DW1_OFFSET 0x38 /**< TX FIFO Data Word 1 */
#define XCANPS_TXFIFO_DW2_OFFSET 0x3C /**< TX FIFO Data Word 2 */
#define XCANPS_TXHPB_ID_OFFSET 0x40 /**< TX High Priority Buffer ID */
#define XCANPS_TXHPB_DLC_OFFSET 0x44 /**< TX High Priority Buffer DLC */
#define XCANPS_TXHPB_DW1_OFFSET 0x48 /**< TX High Priority Buf Data 1 */
#define XCANPS_TXHPB_DW2_OFFSET 0x4C /**< TX High Priority Buf Data Word 2 */
#define XCANPS_RXFIFO_ID_OFFSET 0x50 /**< RX FIFO ID */
#define XCANPS_RXFIFO_DLC_OFFSET 0x54 /**< RX FIFO DLC */
#define XCANPS_RXFIFO_DW1_OFFSET 0x58 /**< RX FIFO Data Word 1 */
#define XCANPS_RXFIFO_DW2_OFFSET 0x5C /**< RX FIFO Data Word 2 */
#define XCANPS_AFR_OFFSET 0x60 /**< Acceptance Filter Register */
#define XCANPS_AFMR1_OFFSET 0x64 /**< Acceptance Filter Mask 1 */
#define XCANPS_AFIR1_OFFSET 0x68 /**< Acceptance Filter ID 1 */
#define XCANPS_AFMR2_OFFSET 0x6C /**< Acceptance Filter Mask 2 */
#define XCANPS_AFIR2_OFFSET 0x70 /**< Acceptance Filter ID 2 */
#define XCANPS_AFMR3_OFFSET 0x74 /**< Acceptance Filter Mask 3 */
#define XCANPS_AFIR3_OFFSET 0x78 /**< Acceptance Filter ID 3 */
#define XCANPS_AFMR4_OFFSET 0x7C /**< Acceptance Filter Mask 4 */
#define XCANPS_AFIR4_OFFSET 0x80 /**< Acceptance Filter ID 4 */
/* @} */
/** @name Software Reset Register (SRR) Bit Definitions and Masks
* @{
*/
#define XCANPS_SRR_CEN_MASK 0x00000002 /**< Can Enable */
#define XCANPS_SRR_SRST_MASK 0x00000001 /**< Reset */
/* @} */
/** @name Mode Select Register (MSR) Bit Definitions and Masks
* @{
*/
#define XCANPS_MSR_SNOOP_MASK 0x00000004 /**< Snoop Mode Select */
#define XCANPS_MSR_LBACK_MASK 0x00000002 /**< Loop Back Mode Select */
#define XCANPS_MSR_SLEEP_MASK 0x00000001 /**< Sleep Mode Select */
/* @} */
/** @name Baud Rate Prescaler register (BRPR) Bit Definitions and Masks
* @{
*/
#define XCANPS_BRPR_BRP_MASK 0x000000FF /**< Baud Rate Prescaler */
/* @} */
/** @name Bit Timing Register (BTR) Bit Definitions and Masks
* @{
*/
#define XCANPS_BTR_SJW_MASK 0x00000180 /**< Synchronization Jump Width */
#define XCANPS_BTR_SJW_SHIFT 7
#define XCANPS_BTR_TS2_MASK 0x00000070 /**< Time Segment 2 */
#define XCANPS_BTR_TS2_SHIFT 4
#define XCANPS_BTR_TS1_MASK 0x0000000F /**< Time Segment 1 */
/* @} */
/** @name Error Counter Register (ECR) Bit Definitions and Masks
* @{
*/
#define XCANPS_ECR_REC_MASK 0x0000FF00 /**< Receive Error Counter */
#define XCANPS_ECR_REC_SHIFT 8
#define XCANPS_ECR_TEC_MASK 0x000000FF /**< Transmit Error Counter */
/* @} */
/** @name Error Status Register (ESR) Bit Definitions and Masks
* @{
*/
#define XCANPS_ESR_ACKER_MASK 0x00000010 /**< ACK Error */
#define XCANPS_ESR_BERR_MASK 0x00000008 /**< Bit Error */
#define XCANPS_ESR_STER_MASK 0x00000004 /**< Stuff Error */
#define XCANPS_ESR_FMER_MASK 0x00000002 /**< Form Error */
#define XCANPS_ESR_CRCER_MASK 0x00000001 /**< CRC Error */
/* @} */
/** @name Status Register (SR) Bit Definitions and Masks
* @{
*/
#define XCANPS_SR_SNOOP_MASK 0x00001000 /**< Snoop Mask */
#define XCANPS_SR_ACFBSY_MASK 0x00000800 /**< Acceptance Filter busy */
#define XCANPS_SR_TXFLL_MASK 0x00000400 /**< TX FIFO is full */
#define XCANPS_SR_TXBFLL_MASK 0x00000200 /**< TX High Priority Buffer full */
#define XCANPS_SR_ESTAT_MASK 0x00000180 /**< Error Status */
#define XCANPS_SR_ESTAT_SHIFT 7
#define XCANPS_SR_ERRWRN_MASK 0x00000040 /**< Error Warning */
#define XCANPS_SR_BBSY_MASK 0x00000020 /**< Bus Busy */
#define XCANPS_SR_BIDLE_MASK 0x00000010 /**< Bus Idle */
#define XCANPS_SR_NORMAL_MASK 0x00000008 /**< Normal Mode */
#define XCANPS_SR_SLEEP_MASK 0x00000004 /**< Sleep Mode */
#define XCANPS_SR_LBACK_MASK 0x00000002 /**< Loop Back Mode */
#define XCANPS_SR_CONFIG_MASK 0x00000001 /**< Configuration Mode */
/* @} */
/** @name Interrupt Status/Enable/Clear Register Bit Definitions and Masks
* @{
*/
#define XCANPS_IXR_TXFEMP_MASK 0x00004000 /**< Tx Fifo Empty Interrupt */
#define XCANPS_IXR_TXFWMEMP_MASK 0x00002000 /**< Tx Fifo Watermark Empty */
#define XCANPS_IXR_RXFWMFLL_MASK 0x00001000 /**< Rx FIFO Watermark Full */
#define XCANPS_IXR_WKUP_MASK 0x00000800 /**< Wake up Interrupt */
#define XCANPS_IXR_SLP_MASK 0x00000400 /**< Sleep Interrupt */
#define XCANPS_IXR_BSOFF_MASK 0x00000200 /**< Bus Off Interrupt */
#define XCANPS_IXR_ERROR_MASK 0x00000100 /**< Error Interrupt */
#define XCANPS_IXR_RXNEMP_MASK 0x00000080 /**< RX FIFO Not Empty Interrupt */
#define XCANPS_IXR_RXOFLW_MASK 0x00000040 /**< RX FIFO Overflow Interrupt */
#define XCANPS_IXR_RXUFLW_MASK 0x00000020 /**< RX FIFO Underflow Interrupt */
#define XCANPS_IXR_RXOK_MASK 0x00000010 /**< New Message Received Intr */
#define XCANPS_IXR_TXBFLL_MASK 0x00000008 /**< TX High Priority Buf Full */
#define XCANPS_IXR_TXFLL_MASK 0x00000004 /**< TX FIFO Full Interrupt */
#define XCANPS_IXR_TXOK_MASK 0x00000002 /**< TX Successful Interrupt */
#define XCANPS_IXR_ARBLST_MASK 0x00000001 /**< Arbitration Lost Interrupt */
#define XCANPS_IXR_ALL (XCANPS_IXR_RXFWMFLL_MASK | \
XCANPS_IXR_WKUP_MASK | \
XCANPS_IXR_SLP_MASK | \
XCANPS_IXR_BSOFF_MASK | \
XCANPS_IXR_ERROR_MASK | \
XCANPS_IXR_RXNEMP_MASK | \
XCANPS_IXR_RXOFLW_MASK | \
XCANPS_IXR_RXUFLW_MASK | \
XCANPS_IXR_RXOK_MASK | \
XCANPS_IXR_TXBFLL_MASK | \
XCANPS_IXR_TXFLL_MASK | \
XCANPS_IXR_TXOK_MASK | \
XCANPS_IXR_ARBLST_MASK)
/* @} */
/** @name CAN Timestamp Control Register (TCR) Bit Definitions and Masks
* @{
*/
#define XCANPS_TCR_CTS_MASK 0x00000001 /**< Clear Timestamp counter mask */
/* @} */
/** @name CAN Watermark Register (WIR) Bit Definitions and Masks
* @{
*/
#define XCANPS_WIR_FW_MASK 0x0000003F /**< Rx Full Threshold mask */
#define XCANPS_WIR_EW_MASK 0x00003F00 /**< Tx Empty Threshold mask */
#define XCANPS_WIR_EW_SHIFT 0x00000008 /**< Tx Empty Threshold shift */
/* @} */
/** @name CAN Frame Identifier (TX High Priority Buffer/TX/RX/Acceptance Filter
Mask/Acceptance Filter ID)
* @{
*/
#define XCANPS_IDR_ID1_MASK 0xFFE00000 /**< Standard Messg Identifier */
#define XCANPS_IDR_ID1_SHIFT 21
#define XCANPS_IDR_SRR_MASK 0x00100000 /**< Substitute Remote TX Req */
#define XCANPS_IDR_SRR_SHIFT 20
#define XCANPS_IDR_IDE_MASK 0x00080000 /**< Identifier Extension */
#define XCANPS_IDR_IDE_SHIFT 19
#define XCANPS_IDR_ID2_MASK 0x0007FFFE /**< Extended Message Ident */
#define XCANPS_IDR_ID2_SHIFT 1
#define XCANPS_IDR_RTR_MASK 0x00000001 /**< Remote TX Request */
/* @} */
/** @name CAN Frame Data Length Code (TX High Priority Buffer/TX/RX)
* @{
*/
#define XCANPS_DLCR_DLC_MASK 0xF0000000 /**< Data Length Code */
#define XCANPS_DLCR_DLC_SHIFT 28
#define XCANPS_DLCR_TIMESTAMP_MASK 0x0000FFFF /**< Timestamp Mask (Rx only) */
/* @} */
/** @name CAN Frame Data Word 1 (TX High Priority Buffer/TX/RX)
* @{
*/
#define XCANPS_DW1R_DB0_MASK 0xFF000000 /**< Data Byte 0 */
#define XCANPS_DW1R_DB0_SHIFT 24
#define XCANPS_DW1R_DB1_MASK 0x00FF0000 /**< Data Byte 1 */
#define XCANPS_DW1R_DB1_SHIFT 16
#define XCANPS_DW1R_DB2_MASK 0x0000FF00 /**< Data Byte 2 */
#define XCANPS_DW1R_DB2_SHIFT 8
#define XCANPS_DW1R_DB3_MASK 0x000000FF /**< Data Byte 3 */
/* @} */
/** @name CAN Frame Data Word 2 (TX High Priority Buffer/TX/RX)
* @{
*/
#define XCANPS_DW2R_DB4_MASK 0xFF000000 /**< Data Byte 4 */
#define XCANPS_DW2R_DB4_SHIFT 24
#define XCANPS_DW2R_DB5_MASK 0x00FF0000 /**< Data Byte 5 */
#define XCANPS_DW2R_DB5_SHIFT 16
#define XCANPS_DW2R_DB6_MASK 0x0000FF00 /**< Data Byte 6 */
#define XCANPS_DW2R_DB6_SHIFT 8
#define XCANPS_DW2R_DB7_MASK 0x000000FF /**< Data Byte 7 */
/* @} */
/** @name Acceptance Filter Register (AFR) Bit Definitions and Masks
* @{
*/
#define XCANPS_AFR_UAF4_MASK 0x00000008 /**< Use Acceptance Filter No.4 */
#define XCANPS_AFR_UAF3_MASK 0x00000004 /**< Use Acceptance Filter No.3 */
#define XCANPS_AFR_UAF2_MASK 0x00000002 /**< Use Acceptance Filter No.2 */
#define XCANPS_AFR_UAF1_MASK 0x00000001 /**< Use Acceptance Filter No.1 */
#define XCANPS_AFR_UAF_ALL_MASK (XCANPS_AFR_UAF4_MASK | \
XCANPS_AFR_UAF3_MASK | \
XCANPS_AFR_UAF2_MASK | \
XCANPS_AFR_UAF1_MASK)
/* @} */
/** @name CAN frame length constants
* @{
*/
#define XCANPS_MAX_FRAME_SIZE 16 /**< Maximum CAN frame length in bytes */
/* @} */
/* For backwards compatibilty */
#define XCANPS_TXBUF_ID_OFFSET XCANPS_TXHPB_ID_OFFSET
#define XCANPS_TXBUF_DLC_OFFSET XCANPS_TXHPB_DLC_OFFSET
#define XCANPS_TXBUF_DW1_OFFSET XCANPS_TXHPB_DW1_OFFSET
#define XCANPS_TXBUF_DW2_OFFSET XCANPS_TXHPB_DW2_OFFSET
#define XCANPS_RXFWIR_RXFLL_MASK XCANPS_WIR_FW_MASK
#define XCANPS_RXWIR_OFFSET XCANPS_WIR_OFFSET
#define XCANPS_IXR_RXFLL_MASK XCANPS_IXR_RXFWMFLL_MASK
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/****************************************************************************/
/**
*
* This macro reads the given register.
*
* @param BaseAddr is the base address of the device.
* @param RegOffset is the register offset to be read.
*
* @return The 32-bit value of the register
*
* @note None.
*
*****************************************************************************/
#define XCanPs_ReadReg(BaseAddr, RegOffset) \
Xil_In32((BaseAddr) + (RegOffset))
/****************************************************************************/
/**
*
* This macro writes the given register.
*
* @param BaseAddr is the base address of the device.
* @param RegOffset is the register offset to be written.
* @param Data is the 32-bit value to write to the register.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
#define XCanPs_WriteReg(BaseAddr, RegOffset, Data) \
Xil_Out32((BaseAddr) + (RegOffset), (Data))
/************************** Function Prototypes ******************************/
/*
* Perform reset operation to the CanPs interface
*/
void XCanPs_ResetHw(u32 BaseAddr);
#ifdef __cplusplus
}
#endif
#endif /* end of protection macro */
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