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>
diff --git a/cpu/ixp/npe/IxNpeDlImageMgr.c b/cpu/ixp/npe/IxNpeDlImageMgr.c
index c0e7349..75b42f2 100644
--- a/cpu/ixp/npe/IxNpeDlImageMgr.c
+++ b/cpu/ixp/npe/IxNpeDlImageMgr.c
@@ -140,6 +140,14 @@
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 @@
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 @@
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 @@
* 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 @@
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 @@
imageLibrary = ixNpeMicrocode_binaryArray;
}
#else
- imageLibrary = IxNpeMicroCodeImageLibrary;
+ imageLibrary = getIxNpeMicroCodeImageLibrary();
#endif /* IX_NPEDL_READ_MICROCODE_FROM_FILE */
}