312 lines
15 KiB
C
312 lines
15 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// hw_udma.h - Macros for use in accessing the UDMA registers.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2007-2010 Texas Instruments Incorporated. All rights reserved.
|
||
|
|
// Software License Agreement
|
||
|
|
//
|
||
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
||
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
||
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
||
|
|
// laws. You may not combine this software with "viral" open-source
|
||
|
|
// software in order to form a larger program.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
||
|
|
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
|
||
|
|
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
|
||
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
||
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
||
|
|
//
|
||
|
|
// This is part of revision 6459 of the Stellaris Firmware Development Package.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
#ifndef __HW_UDMA_H__
|
||
|
|
#define __HW_UDMA_H__
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the Micro Direct Memory Access register
|
||
|
|
// addresses.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_STAT 0x400FF000 // DMA Status
|
||
|
|
#define UDMA_CFG 0x400FF004 // DMA Configuration
|
||
|
|
#define UDMA_CTLBASE 0x400FF008 // DMA Channel Control Base Pointer
|
||
|
|
#define UDMA_ALTBASE 0x400FF00C // DMA Alternate Channel Control
|
||
|
|
// Base Pointer
|
||
|
|
#define UDMA_WAITSTAT 0x400FF010 // DMA Channel Wait-on-Request
|
||
|
|
// Status
|
||
|
|
#define UDMA_SWREQ 0x400FF014 // DMA Channel Software Request
|
||
|
|
#define UDMA_USEBURSTSET 0x400FF018 // DMA Channel Useburst Set
|
||
|
|
#define UDMA_USEBURSTCLR 0x400FF01C // DMA Channel Useburst Clear
|
||
|
|
#define UDMA_REQMASKSET 0x400FF020 // DMA Channel Request Mask Set
|
||
|
|
#define UDMA_REQMASKCLR 0x400FF024 // DMA Channel Request Mask Clear
|
||
|
|
#define UDMA_ENASET 0x400FF028 // DMA Channel Enable Set
|
||
|
|
#define UDMA_ENACLR 0x400FF02C // DMA Channel Enable Clear
|
||
|
|
#define UDMA_ALTSET 0x400FF030 // DMA Channel Primary Alternate
|
||
|
|
// Set
|
||
|
|
#define UDMA_ALTCLR 0x400FF034 // DMA Channel Primary Alternate
|
||
|
|
// Clear
|
||
|
|
#define UDMA_PRIOSET 0x400FF038 // DMA Channel Priority Set
|
||
|
|
#define UDMA_PRIOCLR 0x400FF03C // DMA Channel Priority Clear
|
||
|
|
#define UDMA_ERRCLR 0x400FF04C // DMA Bus Error Clear
|
||
|
|
#define UDMA_CHALT 0x400FF500 // DMA Channel Alternate Select
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_STAT register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_STAT_DMACHANS_M 0x001F0000 // Available uDMA Channels Minus 1
|
||
|
|
#define UDMA_STAT_STATE_M 0x000000F0 // Control State Machine Status
|
||
|
|
#define UDMA_STAT_STATE_IDLE 0x00000000 // Idle
|
||
|
|
#define UDMA_STAT_STATE_RD_CTRL 0x00000010 // Reading channel controller data
|
||
|
|
#define UDMA_STAT_STATE_RD_SRCENDP \
|
||
|
|
0x00000020 // Reading source end pointer
|
||
|
|
#define UDMA_STAT_STATE_RD_DSTENDP \
|
||
|
|
0x00000030 // Reading destination end pointer
|
||
|
|
#define UDMA_STAT_STATE_RD_SRCDAT \
|
||
|
|
0x00000040 // Reading source data
|
||
|
|
#define UDMA_STAT_STATE_WR_DSTDAT \
|
||
|
|
0x00000050 // Writing destination data
|
||
|
|
#define UDMA_STAT_STATE_WAIT 0x00000060 // Waiting for uDMA request to
|
||
|
|
// clear
|
||
|
|
#define UDMA_STAT_STATE_WR_CTRL 0x00000070 // Writing channel controller data
|
||
|
|
#define UDMA_STAT_STATE_STALL 0x00000080 // Stalled
|
||
|
|
#define UDMA_STAT_STATE_DONE 0x00000090 // Done
|
||
|
|
#define UDMA_STAT_STATE_UNDEF 0x000000A0 // Undefined
|
||
|
|
#define UDMA_STAT_MASTEN 0x00000001 // Master Enable Status
|
||
|
|
#define UDMA_STAT_DMACHANS_S 16
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_CFG register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_CFG_MASTEN 0x00000001 // Controller Master Enable
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_CTLBASE register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_CTLBASE_ADDR_M 0xFFFFFC00 // Channel Control Base Address
|
||
|
|
#define UDMA_CTLBASE_ADDR_S 10
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ALTBASE register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ALTBASE_ADDR_M 0xFFFFFFFF // Alternate Channel Address
|
||
|
|
// Pointer
|
||
|
|
#define UDMA_ALTBASE_ADDR_S 0
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_WAITSTAT register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_WAITSTAT_WAITREQ_M 0xFFFFFFFF // Channel [n] Wait Status
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_SWREQ register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_SWREQ_M 0xFFFFFFFF // Channel [n] Software Request
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_USEBURSTSET
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_USEBURSTSET_SET_M 0xFFFFFFFF // Channel [n] Useburst Set
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_USEBURSTCLR
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_USEBURSTCLR_CLR_M 0xFFFFFFFF // Channel [n] Useburst Clear
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_REQMASKSET
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_REQMASKSET_SET_M 0xFFFFFFFF // Channel [n] Request Mask Set
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_REQMASKCLR
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_REQMASKCLR_CLR_M 0xFFFFFFFF // Channel [n] Request Mask Clear
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ENASET register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ENASET_SET_M 0xFFFFFFFF // Channel [n] Enable Set
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ENACLR register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ENACLR_CLR_M 0xFFFFFFFF // Clear Channel [n] Enable Clear
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ALTSET register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ALTSET_SET_M 0xFFFFFFFF // Channel [n] Alternate Set
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ALTCLR register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ALTCLR_CLR_M 0xFFFFFFFF // Channel [n] Alternate Clear
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_PRIOSET register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_PRIOSET_SET_M 0xFFFFFFFF // Channel [n] Priority Set
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_PRIOCLR register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_PRIOCLR_CLR_M 0xFFFFFFFF // Channel [n] Priority Clear
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_ERRCLR register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ERRCLR_ERRCLR 0x00000001 // uDMA Bus Error Status
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_CHALT register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_CHALT_M 0xFFFFFFFF // Channel [n] Alternate Assignment
|
||
|
|
// Select
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the Micro Direct Memory Access (uDMA) offsets.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_O_SRCENDP 0x00000000 // DMA Channel Source Address End
|
||
|
|
// Pointer
|
||
|
|
#define UDMA_O_DSTENDP 0x00000004 // DMA Channel Destination Address
|
||
|
|
// End Pointer
|
||
|
|
#define UDMA_O_CHCTL 0x00000008 // DMA Channel Control Word
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_O_SRCENDP register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_SRCENDP_ADDR_M 0xFFFFFFFF // Source Address End Pointer
|
||
|
|
#define UDMA_SRCENDP_ADDR_S 0
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_O_DSTENDP register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_DSTENDP_ADDR_M 0xFFFFFFFF // Destination Address End Pointer
|
||
|
|
#define UDMA_DSTENDP_ADDR_S 0
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are defines for the bit fields in the UDMA_O_CHCTL register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_CHCTL_DSTINC_M 0xC0000000 // Destination Address Increment
|
||
|
|
#define UDMA_CHCTL_DSTINC_8 0x00000000 // Byte
|
||
|
|
#define UDMA_CHCTL_DSTINC_16 0x40000000 // Half-word
|
||
|
|
#define UDMA_CHCTL_DSTINC_32 0x80000000 // Word
|
||
|
|
#define UDMA_CHCTL_DSTINC_NONE 0xC0000000 // No increment
|
||
|
|
#define UDMA_CHCTL_DSTSIZE_M 0x30000000 // Destination Data Size
|
||
|
|
#define UDMA_CHCTL_DSTSIZE_8 0x00000000 // Byte
|
||
|
|
#define UDMA_CHCTL_DSTSIZE_16 0x10000000 // Half-word
|
||
|
|
#define UDMA_CHCTL_DSTSIZE_32 0x20000000 // Word
|
||
|
|
#define UDMA_CHCTL_SRCINC_M 0x0C000000 // Source Address Increment
|
||
|
|
#define UDMA_CHCTL_SRCINC_8 0x00000000 // Byte
|
||
|
|
#define UDMA_CHCTL_SRCINC_16 0x04000000 // Half-word
|
||
|
|
#define UDMA_CHCTL_SRCINC_32 0x08000000 // Word
|
||
|
|
#define UDMA_CHCTL_SRCINC_NONE 0x0C000000 // No increment
|
||
|
|
#define UDMA_CHCTL_SRCSIZE_M 0x03000000 // Source Data Size
|
||
|
|
#define UDMA_CHCTL_SRCSIZE_8 0x00000000 // Byte
|
||
|
|
#define UDMA_CHCTL_SRCSIZE_16 0x01000000 // Half-word
|
||
|
|
#define UDMA_CHCTL_SRCSIZE_32 0x02000000 // Word
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_M 0x0003C000 // Arbitration Size
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_1 0x00000000 // 1 Transfer
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_2 0x00004000 // 2 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_4 0x00008000 // 4 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_8 0x0000C000 // 8 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_16 0x00010000 // 16 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_32 0x00014000 // 32 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_64 0x00018000 // 64 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_128 0x0001C000 // 128 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_256 0x00020000 // 256 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_512 0x00024000 // 512 Transfers
|
||
|
|
#define UDMA_CHCTL_ARBSIZE_1024 0x00028000 // 1024 Transfers
|
||
|
|
#define UDMA_CHCTL_XFERSIZE_M 0x00003FF0 // Transfer Size (minus 1)
|
||
|
|
#define UDMA_CHCTL_NXTUSEBURST 0x00000008 // Next Useburst
|
||
|
|
#define UDMA_CHCTL_XFERMODE_M 0x00000007 // uDMA Transfer Mode
|
||
|
|
#define UDMA_CHCTL_XFERMODE_STOP \
|
||
|
|
0x00000000 // Stop
|
||
|
|
#define UDMA_CHCTL_XFERMODE_BASIC \
|
||
|
|
0x00000001 // Basic
|
||
|
|
#define UDMA_CHCTL_XFERMODE_AUTO \
|
||
|
|
0x00000002 // Auto-Request
|
||
|
|
#define UDMA_CHCTL_XFERMODE_PINGPONG \
|
||
|
|
0x00000003 // Ping-Pong
|
||
|
|
#define UDMA_CHCTL_XFERMODE_MEM_SG \
|
||
|
|
0x00000004 // Memory Scatter-Gather
|
||
|
|
#define UDMA_CHCTL_XFERMODE_MEM_SGA \
|
||
|
|
0x00000005 // Alternate Memory Scatter-Gather
|
||
|
|
#define UDMA_CHCTL_XFERMODE_PER_SG \
|
||
|
|
0x00000006 // Peripheral Scatter-Gather
|
||
|
|
#define UDMA_CHCTL_XFERMODE_PER_SGA \
|
||
|
|
0x00000007 // Alternate Peripheral
|
||
|
|
// Scatter-Gather
|
||
|
|
#define UDMA_CHCTL_XFERSIZE_S 4
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following definitions are deprecated.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#ifndef DEPRECATED
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// The following are deprecated defines for the bit fields in the UDMA_ENASET
|
||
|
|
// register.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define UDMA_ENASET_CHENSET_M 0xFFFFFFFF // Channel [n] Enable Set
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // __HW_UDMA_H__
|