From a1cf027a08f9dc1c0e769499e6f4fbddcf9cab93 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Mon, 7 Jan 2008 08:41:34 +0100 Subject: [PATCH] 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 Acked-by: Stefan Roese --- README | 3 +++ cpu/ixp/npe/IxNpeDlImageMgr.c | 25 +++++++++++++++++-------- 2 files changed, 20 insertions(+), 8 deletions(-) diff --git a/README b/README index f2a4914923..cc5527452c 100644 --- a/README +++ b/README @@ -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. diff --git a/cpu/ixp/npe/IxNpeDlImageMgr.c b/cpu/ixp/npe/IxNpeDlImageMgr.c index c0e7349da4..75b42f2f8f 100644 --- a/cpu/ixp/npe/IxNpeDlImageMgr.c +++ b/cpu/ixp/npe/IxNpeDlImageMgr.c @@ -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 */ } -- 2.39.5