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authorflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-06-09 08:04:52 +0000
committerflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-06-09 08:04:52 +0000
commitb1dfb3f7eb3c6ea58052a9ff0dcea8ae38fcfff1 (patch)
tree5e341dab6b35e5eb581715f43801905698b552aa /target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx
parenta37a557c2e56530f6d97a35e3a7db2e9ea24e0a3 (diff)
[brcm63xx] rework imagetag firmware generator and MTD partition parser to accomodate with all known
imagetag versions from Broadcom and vendors, patch from Daniel Dickinson (fixes #4987). git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16393 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx')
-rw-r--r--target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h193
1 files changed, 168 insertions, 25 deletions
diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h
index 7c170c05d..1613150e4 100644
--- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h
@@ -3,32 +3,175 @@
#define IMAGE_LEN 10 /* Length of Length Field */
#define ADDRESS_LEN 12 /* Length of Address field */
+#define TAGID_LEN 6 /* Length of tag ID */
+#define TAGINFO_LEN 20 /* Length of vendor information field in tag */
+#define TAGVER_LEN 4 /* Length of Tag Version */
-struct bcm_tag {
- unsigned char tagVersion[4]; // Version of the image tag
- unsigned char sig_1[20]; // Company Line 1
- unsigned char sig_2[14]; // Company Line 2
- unsigned char chipid[6]; // Chip this image is for
- unsigned char boardid[16]; // Board name
- unsigned char big_endian[2]; // Map endianness -- 1 BE 0 LE
- unsigned char totalLength[IMAGE_LEN]; //Total length of image
- unsigned char cfeAddress[ADDRESS_LEN]; // Address in memory of CFE
- unsigned char cfeLength[IMAGE_LEN]; // Size of CFE
- unsigned char cfeRootAddress[ADDRESS_LEN]; // Address in memory of rootfs
- unsigned char cfeRootLength[IMAGE_LEN]; // Size of rootfs
- unsigned char kernelAddress[ADDRESS_LEN]; // Address in memory of kernel
- unsigned char kernelLength[IMAGE_LEN]; // Size of kernel
- unsigned char dualImage[2]; // Unused at present
- unsigned char inactiveFlag[2]; // Unused at present
- unsigned char reserved1[74]; // Reserved area not in use
- unsigned char imageCRC[4]; // CRC32 of images
-// unsigned char reserved2[16]; // Unused at present
- unsigned char reserved2[4]; //Unused
- unsigned char rootAddress[ADDRESS_LEN]; // Address in memory of rootfs
- unsigned char headerCRC[4]; // CRC32 of header excluding tagVersion
-// unsigned char reserved3[16]; // Unused at present
- unsigned char reserved3[6]; // Unused at present
- unsigned char rootLength[IMAGE_LEN]; // Size of rootfs
+#define NUM_TAGID 5
+#define IMAGETAG_CRC_START 0xFFFFFFFF
+
+struct tagiddesc_t {
+ char tagid[TAGID_LEN + 1];
+ char tagiddesc[80];
+};
+
+ // what is called bc308 may actually be BT Voyager-specific
+ // bc310 should be right
+#define TAGID_DEFINITIONS { \
+ { "bccfe", "Broadcom CFE flash image" }, \
+ { "bc300", "Broadcom code version 3.00-3.06 and all ftp/tftp flash" }, \
+ { "ag306", "Alice Gate (Pirelli, based on Broadcom 3.06)" }, \
+ { "bc308", "Broadcom code version 3.08" }, \
+ { "bc310", "Broadcom code version 3.10-3.12" }, \
+}
+
+struct bcm_tag_bccfe {
+ unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
+ unsigned char sig_1[20]; // 4-23: Company Line 1
+ unsigned char sig_2[14]; // 24-37: Company Line 2
+ unsigned char chipid[6]; // 38-43: Chip this image is for
+ unsigned char boardid[16]; // 44-59: Board name
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
+ unsigned char rootAddress[ADDRESS_LEN]; // 94-105: Address in memory of rootfs
+ unsigned char rootLength[IMAGE_LEN]; // 106-115: Size of rootfs
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
+ unsigned char dualImage[2]; // 138-139: Unused at present
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
+ unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
+ unsigned char tagIdCRC[4]; // 168-171: CRC32 of tagId
+ unsigned char reserved1[44]; // 172-215: Reserved area not in use
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
+ unsigned char reserved2[16]; // 220-235: Unused at present
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
+ unsigned char reserved3[16]; // 240-255: Unused at present
+};
+
+struct bcm_tag_bc300 {
+ unsigned char tagVersion[4]; // 0-3: Version of the image tag
+ unsigned char sig_1[20]; // 4-23: Company Line 1
+ unsigned char sig_2[14]; // 24-37: Company Line 2
+ unsigned char chipid[6]; // 38-43: Chip this image is for
+ unsigned char boardid[16]; // 44-59: Board name
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
+ unsigned char dualImage[2]; // 138-139: Unused at present
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
+ unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
+ unsigned char tagIdCRC[4]; // 168-173: CRC32 to ensure validity of tagId
+ unsigned char rootAddress[ADDRESS_LEN]; // 174-183: Address in memory of rootfs partition
+ unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
+ unsigned char reserved1[22]; // 194-215: Reserved area not in use
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
+ unsigned char reserved2[16]; // 220-235: Unused at present
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
+ unsigned char reserved3[16]; // 240-255: Unused at present
+};
+
+struct bcm_tag_ag306 {
+ unsigned char tagVersion[4]; // 0-3: Version of the image tag
+ unsigned char sig_1[20]; // 4-23: Company Line 1
+ unsigned char sig_2[14]; // 24-37: Company Line 2
+ unsigned char chipid[6]; // 38-43: Chip this image is for
+ unsigned char boardid[16]; // 44-59: Board name
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
+ unsigned char dualImage[2]; // 138-139: Unused at present
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
+ unsigned char information2[54]; // 162-215: Compilation and related information (not generated/used by OpenWRT)
+ unsigned char kernelCRC[4] ; // 216-219: CRC32 of images
+ unsigned char rootAddress[ADDRESS_LEN]; // 220-231: Address in memory of rootfs partition
+ unsigned char tagIdCRC[4]; // 232-235: Checksum to ensure validity of tagId
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
+ unsigned char rootLength[IMAGE_LEN]; // 240-249: Size of rootfs
+ unsigned char tagId[TAGID_LEN]; // 250-255: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
+};
+
+struct bcm_tag_bc308 {
+ unsigned char tagVersion[4]; // 0-3: Version of the image tag
+ unsigned char sig_1[20]; // 4-23: Company Line 1
+ unsigned char sig_2[14]; // 24-37: Company Line 2
+ unsigned char chipid[6]; // 38-43: Chip this image is for
+ unsigned char boardid[16]; // 44-59: Board name
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
+ unsigned char dualImage[2]; // 138-139: Unused at present
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
+ unsigned char information1[TAGINFO_LEN+2]; // 142-163: Unused at present
+ unsigned char tagId[TAGID_LEN]; // 164-169: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
+ unsigned char rootAddress[ADDRESS_LEN]; // 170-181: Address in memory of rootfs partition
+ unsigned char rootLength[IMAGE_LEN]; // 182-191: Size of rootfs partition
+ unsigned char flashLayoutVer[2]; // 192-193: Version flash layout
+ unsigned char curflashLayoutVer[2]; // 194-195: Unused at present
+ unsigned char kernelCRC[4]; // 196-199: Guessed to be kernel CRC
+ unsigned char reserved4[16]; // 200-215: Reserved area; unused at present
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
+ unsigned char reserved2[12]; // 220-231: Unused at present
+ unsigned char tagIdCRC[4]; // 232-235: CRC32 to ensure validity of tagId
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
+ unsigned char reserved3[16]; // 240-255: Unused at present
+};
+
+struct bcm_tag_bc310 {
+ unsigned char tagVersion[4]; // 0-3: Version of the image tag
+ unsigned char sig_1[20]; // 4-23: Company Line 1
+ unsigned char sig_2[14]; // 24-37: Company Line 2
+ unsigned char chipid[6]; // 38-43: Chip this image is for
+ unsigned char boardid[16]; // 44-59: Board name
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
+ unsigned char dualImage[2]; // 138-139: Unused at present
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present; Some vendors use this for optional information
+ unsigned char tagId[6]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
+ unsigned char tagIdCRC[4]; // 168-171: CRC32 to ensure validity of tagId
+ unsigned char rootAddress[ADDRESS_LEN]; // 172-183: Address in memory of rootfs partition
+ unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
+ unsigned char reserved1[22]; // 193-215: Reserved area not in use
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
+ unsigned char rootfsCRC[4]; // 220-227: CRC32 of rootfs partition
+ unsigned char kernelCRC[4]; // 224-227: CRC32 of kernel partition
+ unsigned char reserved2[8]; // 228-235: Unused at present
+ unsigned char headerCRC[4]; // 235-239: CRC32 of header excluding tagVersion
+ unsigned char reserved3[16]; // 240-255: Unused at present
+};
+
+union bcm_tag {
+ struct bcm_tag_bccfe bccfe;
+ struct bcm_tag_bc300 bc300;
+ struct bcm_tag_ag306 ag306;
+ struct bcm_tag_bc308 bc308;
+ struct bcm_tag_bc310 bc310;
};
#endif /* __BCM63XX_TAG_H */