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added dbug's fec and network routines

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This commit is contained in:
Markus Fröschle
2013-12-20 15:01:54 +00:00
parent 481697e0d9
commit 78d1969b75
23 changed files with 3219 additions and 438 deletions
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118
include/MCD_dma.h
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@@ -7,6 +7,8 @@
#ifndef _MCD_API_H
#define _MCD_API_H
#include "bas_types.h"
/*
* Turn Execution Unit tasks ON (#define) or OFF (#undef)
*/
@@ -47,39 +49,33 @@
/*
* Portability typedefs
*/
typedef int s32;
typedef unsigned int u32;
typedef short s16;
typedef unsigned short u16;
typedef char s8;
typedef unsigned char u8;
/*
* These structures represent the internal registers of the
* multi-channel DMA
*/
struct dmaRegs_s {
u32 taskbar; /* task table base address register */
u32 currPtr;
u32 endPtr;
u32 varTablePtr;
u16 dma_rsvd0;
u16 ptdControl; /* ptd control */
u32 intPending; /* interrupt pending register */
u32 intMask; /* interrupt mask register */
u16 taskControl[16]; /* task control registers */
u8 priority[32]; /* priority registers */
u32 initiatorMux; /* initiator mux control */
u32 taskSize0; /* task size control register 0. */
u32 taskSize1; /* task size control register 1. */
u32 dma_rsvd1; /* reserved */
u32 dma_rsvd2; /* reserved */
u32 debugComp1; /* debug comparator 1 */
u32 debugComp2; /* debug comparator 2 */
u32 debugControl; /* debug control */
u32 debugStatus; /* debug status */
u32 ptdDebug; /* priority task decode debug */
u32 dma_rsvd3[31]; /* reserved */
uint32_t taskbar; /* task table base address register */
uint32_t currPtr;
uint32_t endPtr;
uint32_t varTablePtr;
uint16_t dma_rsvd0;
uint16_t ptdControl; /* ptd control */
uint32_t intPending; /* interrupt pending register */
uint32_t intMask; /* interrupt mask register */
uint16_t taskControl[16]; /* task control registers */
uint8_t priority[32]; /* priority registers */
uint32_t initiatorMux; /* initiator mux control */
uint32_t taskSize0; /* task size control register 0. */
uint32_t taskSize1; /* task size control register 1. */
uint32_t dma_rsvd1; /* reserved */
uint32_t dma_rsvd2; /* reserved */
uint32_t debugComp1; /* debug comparator 1 */
uint32_t debugComp2; /* debug comparator 2 */
uint32_t debugControl; /* debug control */
uint32_t debugStatus; /* debug status */
uint32_t ptdDebug; /* priority task decode debug */
uint32_t dma_rsvd3[31]; /* reserved */
};
typedef volatile struct dmaRegs_s dmaRegs;
@@ -165,7 +161,7 @@ typedef volatile struct dmaRegs_s dmaRegs;
*/
/* Byte swapping: */
#define MCD_NO_BYTE_SWAP 0x00045670 /* to disable byte swapping. */
#define MCD_BYTE_REVERSE 0x00076540 /* to reverse the bytes of each u32 of the DMAed data. */
#define MCD_BYTE_REVERSE 0x00076540 /* to reverse the bytes of each uint32_t of the DMAed data. */
#define MCD_U16_REVERSE 0x00067450 /* to reverse the 16-bit halves of
each 32-bit data value being DMAed.*/
#define MCD_U16_BYTE_REVERSE 0x00054760 /* to reverse the byte halves of each
@@ -232,44 +228,44 @@ typedef volatile struct dmaRegs_s dmaRegs;
/* Task Table Entry struct*/
typedef struct {
u32 TDTstart; /* task descriptor table start */
u32 TDTend; /* task descriptor table end */
u32 varTab; /* variable table start */
u32 FDTandFlags; /* function descriptor table start and flags */
volatile u32 descAddrAndStatus;
volatile u32 modifiedVarTab;
u32 contextSaveSpace; /* context save space start */
u32 literalBases;
uint32_t TDTstart; /* task descriptor table start */
uint32_t TDTend; /* task descriptor table end */
uint32_t varTab; /* variable table start */
uint32_t FDTandFlags; /* function descriptor table start and flags */
volatile uint32_t descAddrAndStatus;
volatile uint32_t modifiedVarTab;
uint32_t contextSaveSpace; /* context save space start */
uint32_t literalBases;
} TaskTableEntry;
/* Chained buffer descriptor */
typedef volatile struct MCD_bufDesc_struct MCD_bufDesc;
struct MCD_bufDesc_struct {
u32 flags; /* flags describing the DMA */
u32 csumResult; /* checksum from checksumming performed since last checksum reset */
s8 *srcAddr; /* the address to move data from */
s8 *destAddr; /* the address to move data to */
s8 *lastDestAddr; /* the last address written to */
u32 dmaSize; /* the number of bytes to transfer independent of the transfer size */
uint32_t flags; /* flags describing the DMA */
uint32_t csumResult; /* checksum from checksumming performed since last checksum reset */
int8_t *srcAddr; /* the address to move data from */
int8_t *destAddr; /* the address to move data to */
int8_t *lastDestAddr; /* the last address written to */
uint32_t dmaSize; /* the number of bytes to transfer independent of the transfer size */
MCD_bufDesc *next; /* next buffer descriptor in chain */
u32 info; /* private information about this descriptor; DMA does not affect it */
uint32_t info; /* private information about this descriptor; DMA does not affect it */
};
/* Progress Query struct */
typedef volatile struct MCD_XferProg_struct {
s8 *lastSrcAddr; /* the most-recent or last, post-increment source address */
s8 *lastDestAddr; /* the most-recent or last, post-increment destination address */
u32 dmaSize; /* the amount of data transferred for the current buffer */
int8_t *lastSrcAddr; /* the most-recent or last, post-increment source address */
int8_t *lastDestAddr; /* the most-recent or last, post-increment destination address */
uint32_t dmaSize; /* the amount of data transferred for the current buffer */
MCD_bufDesc *currBufDesc;/* pointer to the current buffer descriptor being DMAed */
} MCD_XferProg;
/* FEC buffer descriptor */
typedef volatile struct MCD_bufDescFec_struct {
u16 statCtrl;
u16 length;
u32 dataPointer;
uint16_t statCtrl;
uint16_t length;
uint32_t dataPointer;
} MCD_bufDescFec;
@@ -283,16 +279,16 @@ typedef volatile struct MCD_bufDescFec_struct {
*/
int MCD_startDma (
int channel, /* the channel on which to run the DMA */
s8 *srcAddr, /* the address to move data from, or buffer-descriptor address */
s16 srcIncr, /* the amount to increment the source address per transfer */
s8 *destAddr, /* the address to move data to */
s16 destIncr, /* the amount to increment the destination address per transfer */
u32 dmaSize, /* the number of bytes to transfer independent of the transfer size */
u32 xferSize, /* the number bytes in of each data movement (1, 2, or 4) */
u32 initiator, /* what device initiates the DMA */
int8_t *srcAddr, /* the address to move data from, or buffer-descriptor address */
int16_t srcIncr, /* the amount to increment the source address per transfer */
int8_t *destAddr, /* the address to move data to */
int16_t destIncr, /* the amount to increment the destination address per transfer */
uint32_t dmaSize, /* the number of bytes to transfer independent of the transfer size */
uint32_t xferSize, /* the number bytes in of each data movement (1, 2, or 4) */
uint32_t initiator, /* what device initiates the DMA */
int priority, /* priority of the DMA */
u32 flags, /* flags describing the DMA */
u32 funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
uint32_t flags, /* flags describing the DMA */
uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
);
/*
@@ -300,7 +296,7 @@ int MCD_startDma (
* registers, relocating and creating the appropriate task structures, and
* setting up some global settings
*/
int MCD_initDma (dmaRegs *sDmaBarAddr, void *taskTableDest, u32 flags);
int MCD_initDma (dmaRegs *sDmaBarAddr, void *taskTableDest, uint32_t flags);
/*
* MCD_dmaStatus() returns the status of the DMA on the requested channel.
@@ -339,7 +335,7 @@ int MCD_resumeDma (int channel);
/*
* MCD_csumQuery provides the checksum/CRC after performing a non-chained DMA
*/
int MCD_csumQuery (int channel, u32 *csum);
int MCD_csumQuery (int channel, uint32_t *csum);
/*
* MCD_getCodeSize provides the packed size required by the microcoded task
@@ -354,7 +350,7 @@ int MCD_getCodeSize(void);
int MCD_getVersion(char **longVersion);
/* macro for setting a location in the variable table */
#define MCD_SET_VAR(taskTab,idx,value) ((u32 *)(taskTab)->varTab)[idx] = value
#define MCD_SET_VAR(taskTab,idx,value) ((uint32_t *)(taskTab)->varTab)[idx] = value
/* Note that MCD_SET_VAR() is invoked many times in firing up a DMA function,
so I'm avoiding surrounding it with "do {} while(0)" */