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//*****************************************************************************
//
// hw_udma.h - Macros for use in accessing the UDMA registers.
//
// Copyright (c) 2007-2008 Luminary Micro, Inc. All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws. All rights are reserved. You may not combine
// this software with "viral" open-source software in order to form a larger
// program. Any use in violation of the foregoing restrictions may subject
// the user to criminal sanctions under applicable laws, as well as to civil
// liability for the breach of the terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS". 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.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __HW_UDMA_H__
#define __HW_UDMA_H__
//*****************************************************************************
//
// The following are defines for the Micro Direct Memory Access (uDMA) offsets.
//
//*****************************************************************************
#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
//*****************************************************************************
//
// 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_STAT register.
//
//*****************************************************************************
#define UDMA_STAT_DMACHANS_M 0x001F0000 // Available DMA Channels Minus 1.
#define UDMA_STAT_STATE_M 0x000000F0 // Control State Machine State.
#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 DMA 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.
#define UDMA_STAT_DMACHANS_S 16
//*****************************************************************************
//
// 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_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_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 // DMA 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 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.
#define UDMA_WAITSTAT_WAITREQ_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_SWREQ register.
//
//*****************************************************************************
#define UDMA_SWREQ_M 0xFFFFFFFF // Channel [n] Software Request.
#define UDMA_SWREQ_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_USEBURSTSET
// register.
//
//*****************************************************************************
#define UDMA_USEBURSTSET_SET_M 0xFFFFFFFF // Channel [n] Useburst Set.
#define UDMA_USEBURSTSET_SET__0 0x00000000 // No Effect
#define UDMA_USEBURSTSET_SET__1 0x00000001 // Burst Only
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_USEBURSTCLR
// register.
//
//*****************************************************************************
#define UDMA_USEBURSTCLR_CLR_M 0xFFFFFFFF // Channel [n] Useburst Clear.
#define UDMA_USEBURSTCLR_CLR__0 0x00000000 // No Effect
#define UDMA_USEBURSTCLR_CLR__1 0x00000001 // Single and Burst
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_REQMASKSET
// register.
//
//*****************************************************************************
#define UDMA_REQMASKSET_SET_M 0xFFFFFFFF // Channel [n] Request Mask Set.
#define UDMA_REQMASKSET_SET__0 0x00000000 // No Effect
#define UDMA_REQMASKSET_SET__1 0x00000001 // Masked
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_REQMASKCLR
// register.
//
//*****************************************************************************
#define UDMA_REQMASKCLR_CLR_M 0xFFFFFFFF // Channel [n] Request Mask Clear.
#define UDMA_REQMASKCLR_CLR__0 0x00000000 // No Effect
#define UDMA_REQMASKCLR_CLR__1 0x00000001 // Clear Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ENASET register.
//
//*****************************************************************************
#define UDMA_ENASET_SET_M 0xFFFFFFFF // Channel [n] Enable Set.
#define UDMA_ENASET_SET__0 0x00000000 // Disabled
#define UDMA_ENASET_SET__1 0x00000001 // Enabled
#define UDMA_ENASET_CHENSET_M 0xFFFFFFFF // Channel [n] Enable Set.
#define UDMA_ENASET_CHENSET__0 0x00000000 // No Effect
#define UDMA_ENASET_CHENSET__1 0x00000001 // Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ENACLR register.
//
//*****************************************************************************
#define UDMA_ENACLR_CLR_M 0xFFFFFFFF // Clear Channel [n] Enable.
#define UDMA_ENACLR_CLR__0 0x00000000 // No Effect
#define UDMA_ENACLR_CLR__1 0x00000001 // Disable
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ALTSET register.
//
//*****************************************************************************
#define UDMA_ALTSET_SET_M 0xFFFFFFFF // Channel [n] Alternate Set.
#define UDMA_ALTSET_SET__0 0x00000000 // No Effect
#define UDMA_ALTSET_SET__1 0x00000001 // Alternate
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ALTCLR register.
//
//*****************************************************************************
#define UDMA_ALTCLR_CLR_M 0xFFFFFFFF // Channel [n] Alternate Clear.
#define UDMA_ALTCLR_CLR__0 0x00000000 // No Effect
#define UDMA_ALTCLR_CLR__1 0x00000001 // Primary
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_PRIOSET register.
//
//*****************************************************************************
#define UDMA_PRIOSET_SET_M 0xFFFFFFFF // Channel [n] Priority Set.
#define UDMA_PRIOSET_SET__0 0x00000000 // No Effect
#define UDMA_PRIOSET_SET__1 0x00000001 // High Priority
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_PRIOCLR register.
//
//*****************************************************************************
#define UDMA_PRIOCLR_CLR_M 0xFFFFFFFF // Channel [n] Priority Clear.
#define UDMA_PRIOCLR_CLR__0 0x00000000 // No Effect
#define UDMA_PRIOCLR_CLR__1 0x00000001 // Default Priority
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ERRCLR register.
//
//*****************************************************************************
#define UDMA_ERRCLR_ERRCLR 0x00000001 // DMA Bus Error Status.
#endif // __HW_UDMA_H__
|
