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IXP: add dynamic microcode addr 

allow to load the microde from flash or ram by download it through
the serial or other.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2008-01-07 08:41:34 +01:00
parent 63ebcc4615
commit a1cf027a08
2 changed files with 20 additions and 8 deletions
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3
README
View File

@ -2699,6 +2699,9 @@ Some configuration options can be set using Environment Variables:
Useful on scripts which control the retry operation
themselves.
npe_ucode - see CONFIG_IXP4XX_NPE_EXT_UCOD
if set load address for the npe microcode
tftpsrcport - If this is set, the value is used for TFTP's
UDP source port.

25
cpu/ixp/npe/IxNpeDlImageMgr.c
View File

@ -140,6 +140,14 @@ static UINT32 *IxNpeMicroCodeImageLibrary = (UINT32 *)CONFIG_IXP4XX_NPE_EXT_UCOD
static UINT32 *IxNpeMicroCodeImageLibrary = (UINT32 *)IxNpeMicrocode_array;
#endif
static UINT32* getIxNpeMicroCodeImageLibrary(void)
{
char *s;
if ((s = getenv("npe_ucode")) != NULL)
return (UINT32*) simple_strtoul(s, NULL, 16);
else
return IxNpeMicroCodeImageLibrary;
}
/*
* static function prototypes.
@ -218,9 +226,9 @@ ixNpeDlImageMgrImageListExtract (
IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
"Entering ixNpeDlImageMgrImageListExtract\n");
header = (IxNpeDlImageMgrImageLibraryHeader *) IxNpeMicroCodeImageLibrary;
header = (IxNpeDlImageMgrImageLibraryHeader *) getIxNpeMicroCodeImageLibrary();
if (ixNpeDlImageMgrSignatureCheck (IxNpeMicroCodeImageLibrary))
if (ixNpeDlImageMgrSignatureCheck (getIxNpeMicroCodeImageLibrary()))
{
/* for each image entry in the image header ... */
while (header->entry[imageCount].eohMarker !=
@ -291,9 +299,9 @@ ixNpeDlImageMgrImageLocate (
IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
"Entering ixNpeDlImageMgrImageLocate\n");
header = (IxNpeDlImageMgrImageLibraryHeader *) IxNpeMicroCodeImageLibrary;
header = (IxNpeDlImageMgrImageLibraryHeader *) getIxNpeMicroCodeImageLibrary();
if (ixNpeDlImageMgrSignatureCheck (IxNpeMicroCodeImageLibrary))
if (ixNpeDlImageMgrSignatureCheck (getIxNpeMicroCodeImageLibrary()))
{
/* for each image entry in the image library header ... */
while (header->entry[imageCount].eohMarker !=
@ -308,8 +316,9 @@ ixNpeDlImageMgrImageLocate (
* get pointer to the image in the image library using offset from
* 1st word in image library
*/
UINT32 *tmp=getIxNpeMicroCodeImageLibrary();
imageOffset = header->entry[imageCount].image.offset;
*imagePtr = &IxNpeMicroCodeImageLibrary[imageOffset];
*imagePtr = &tmp[imageOffset];
/* get the image size */
*imageSize = header->entry[imageCount].image.size;
status = IX_SUCCESS;
@ -354,9 +363,9 @@ ixNpeDlImageMgrLatestImageExtract (IxNpeDlImageId *imageId)
IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
"Entering ixNpeDlImageMgrLatestImageExtract\n");
header = (IxNpeDlImageMgrImageLibraryHeader *) IxNpeMicroCodeImageLibrary;
header = (IxNpeDlImageMgrImageLibraryHeader *) getIxNpeMicroCodeImageLibrary();
if (ixNpeDlImageMgrSignatureCheck (IxNpeMicroCodeImageLibrary))
if (ixNpeDlImageMgrSignatureCheck (getIxNpeMicroCodeImageLibrary()))
{
/* for each image entry in the image library header ... */
while (header->entry[imageCount].eohMarker !=
@ -633,7 +642,7 @@ ixNpeDlImageMgrImageFind (
imageLibrary = ixNpeMicrocode_binaryArray;
}
#else
imageLibrary = IxNpeMicroCodeImageLibrary;
imageLibrary = getIxNpeMicroCodeImageLibrary();
#endif /* IX_NPEDL_READ_MICROCODE_FROM_FILE */
}