Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added Firetos' radeon PCI driver

Browse Source
This commit is contained in:
Markus Fröschle
2013-12-26 21:20:47 +00:00
parent 9ca272dd76
commit 0d845e2c14
23 changed files with 9822 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
dma/MCD_dmaApi.c
View File

@@ -36,9 +36,12 @@ TaskTableEntry *MCD_modelTaskTable;
* status, etc.
*/
static int MCD_chStatus[NCHANNELS] =
{ MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA,
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA,
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA };
{
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA,
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA,
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA,
MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA
};
/*
* Prototypes for local functions
@@ -349,17 +352,17 @@ int MCD_dmaStatus(int channel)
* Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK
*/
int MCD_startDma(int channel, /* the channel on which to run the DMA */
int8_t *srcAddr, /* the address to move data from, or physical 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 */
uint32_t flags, /* flags describing the DMA */
uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
int __attribute__((flatten)) MCD_startDma(int channel, /* the channel on which to run the DMA */
int8_t *srcAddr, /* the address to move data from, or physical 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 */
uint32_t flags, /* flags describing the DMA */
uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
#ifdef MCD_NEED_ADDR_TRANS
int8_t *srcAddrVirt /* virtual buffer descriptor address TBD*/
#endif
@@ -412,15 +415,15 @@ uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actio
#ifdef MCD_INCLUDE_EU /* may move this to EU specific calls */
realFuncArray = (uint32_t *) (MCD_taskTable[channel].FDTandFlags & 0xffffff00);
/* Modify the LURC's normal and byte-residue-loop functions according to parameter. */
realFuncArray[(LURC*16)] = xferSize == 4 ?
funcDesc : xferSize == 2 ?
funcDesc & 0xfffff00f : funcDesc & 0xffff000f;
realFuncArray[(LURC*16)] = xferSize == 4 ? funcDesc : xferSize == 2 ? funcDesc & 0xfffff00f : funcDesc & 0xffff000f;
realFuncArray[(LURC*16+1)] = (funcDesc & MCD_BYTE_SWAP_KILLER) | MCD_NO_BYTE_SWAP_ATALL;
#endif
/* Write the initiator field in the TCR, and also set the initiator-hold
bit. Note that,due to a hardware quirk, this could collide with an
MDE access to the initiator-register file, so we have to verify that the write
reads back correctly. */
/*
* Write the initiator field in the TCR, and also set the initiator-hold
* bit. Note that,due to a hardware quirk, this could collide with an
* MDE access to the initiator-register file, so we have to verify that the write
* reads back correctly.
*/
MCD_dmaBar->taskControl[channel] = (initiator << 8) | TASK_CTL_HIPRITSKEN
| TASK_CTL_HLDINITNUM;
@@ -436,6 +439,7 @@ uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actio
}
MCD_dmaBar->priority[channel] = (uint8_t) priority & PRIORITY_PRI_MASK;
/* should be albe to handle this stuff with only one write to ts reg - tbd */
if (channel < 8 && channel >= 0)
{
@@ -460,8 +464,7 @@ uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actio
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_FECTX].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_FECTX].TDTend;
MCD_startDmaENetXmit(srcAddr, srcAddr, destAddr, MCD_taskTable,
channel);
MCD_startDmaENetXmit(srcAddr, srcAddr, destAddr, MCD_taskTable, channel);
}
else if (flags & MCD_FECRX_DMA)
{
@@ -473,10 +476,12 @@ uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actio
}
else if (flags & MCD_SINGLE_DMA)
{
/* this buffer descriptor is used for storing off initial parameters for later
progress query calculation and for the DMA to write the resulting checksum
The DMA does not use this to determine how to operate, that info is passed
with the init routine*/
/*
* this buffer descriptor is used for storing off initial parameters for later
* progress query calculation and for the DMA to write the resulting checksum
* The DMA does not use this to determine how to operate, that info is passed
* with the init routine
*/
MCD_relocBuffDesc[channel].srcAddr = srcAddr;
MCD_relocBuffDesc[channel].destAddr = destAddr;
MCD_relocBuffDesc[channel].lastDestAddr = destAddr; /* definitely not its final value */
@@ -529,6 +534,7 @@ uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actio
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[DESTPTR
+ CSAVE_OFFSET] = (int) ((MCD_bufDesc*) srcAddr)->destAddr;
#else /* if using address translation, need the virtual addr of the first buffdesc */
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET]
= (int)((MCD_bufDesc*) srcAddrVirt)->srcAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET]