diff options
Diffstat (limited to 'target/linux/brcm63xx/files/arch')
| -rw-r--r-- | target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h | 219 |
1 files changed, 55 insertions, 164 deletions
diff --git a/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h b/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h index c06f66894..d79256272 100644 --- a/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h +++ b/target/linux/brcm63xx/files/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h @@ -1,178 +1,69 @@ #ifndef __BCM63XX_TAG_H #define __BCM63XX_TAG_H -#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 */ #define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */ +#define SIG1_LEN 20 /* Company Signature 1 Length */ +#define SIG2_LEN 14 /* Company Signature 2 Lenght */ +#define BOARDID_LEN 16 /* Length of BoardId */ +#define ENDIANFLAG_LEN 2 /* Endian Flag Length */ +#define CHIPID_LEN 6 /* Chip Id Length */ +#define IMAGE_LEN 10 /* Length of Length Field */ +#define ADDRESS_LEN 12 /* Length of Address field */ +#define DUALFLAG_LEN 2 /* Dual Image flag Length */ +#define INACTIVEFLAG_LEN 2 /* Inactie Flag Length */ +#define RSASIG_LEN 20 /* Length of RSA Signature in tag */ +#define TAGINFO1_LEN 30 /* Length of vendor information field1 in tag */ +#define FLASHLAYOUTVER_LEN 4 /* Length of Flash Layout Version String tag */ +#define TAGINFO2_LEN 16 /* Length of vendor information field2 in tag */ +#define CRC_LEN 4 /* Length of CRC in bytes */ +#define ALTTAGINFO_LEN 54 /* Alternate length for vendor information; Pirelli */ -#define NUM_TAGID 5 +#define NUM_PIRELLI 2 #define IMAGETAG_CRC_START 0xFFFFFFFF -struct tagiddesc_t { - char tagid[TAGID_LEN + 1]; - char tagiddesc[80]; -}; - - // bc221 is used by BT Voyager and should be right - // bc310 should be right, and may apply to 3.08 code as well -#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)" }, \ - { "bc221", "Broadcom code version 2.21" }, \ - { "bc310", "Broadcom code version 3.10-3.12" }, \ +#define PIRELLI_BOARDS { \ + "AGPF_S0", \ + "DWV_SO", \ } -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[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 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[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 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_bc221 { - 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 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 rsa_signature[TAGINFO_LEN]; // 142-161: RSA Signature (unused at present; some vendors may use this) - unsigned char reserved5[2]; // 162-163: 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[4]; // 192-195: Version flash layout - unsigned char fskernelCRC[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 -}; +/* + * The broadcom firmware assumes the rootfs starts the image, + * therefore uses the rootfs start (flashImageAddress) + * to determine where to flash the image. Since we have the kernel first + * we have to give it the kernel address, but the crc uses the length + * associated with this address (rootLength), which is added to the kernel + * length (kernelLength) to determine the length of image to flash and thus + * needs to be rootfs + deadcode (jffs2 EOF marker) +*/ -union bcm_tag { - struct bcm_tag_bccfe bccfe; - struct bcm_tag_bc300 bc300; - struct bcm_tag_ag306 ag306; - struct bcm_tag_bc221 bc221; - struct bcm_tag_bc310 bc310; +struct bcm_tag { + char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag + char sig_1[SIG1_LEN]; // 4-23: Company Line 1 + char sig_2[SIG2_LEN]; // 24-37: Company Line 2 + char chipid[CHIPID_LEN]; // 38-43: Chip this image is for + char boardid[BOARDID_LEN]; // 44-59: Board name + char big_endian[ENDIANFLAG_LEN]; // 60-61: Map endianness -- 1 BE 0 LE + char totalLength[IMAGE_LEN]; // 62-71: Total length of image + char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE + char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE + char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of image start (kernel for OpenWRT, rootfs for stock firmware) + char rootLength[IMAGE_LEN]; // 106-115: Size of rootfs + char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel + char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel + char dualImage[DUALFLAG_LEN]; // 138-139: Unused at present + char inactiveFlag[INACTIVEFLAG_LEN]; // 140-141: Unused at present + char rsa_signature[RSASIG_LEN]; // 142-161: RSA Signature (unused at present; some vendors may use this) + char information1[TAGINFO1_LEN]; // 162-191: Compilation and related information (not generated/used by OpenWRT) + char flashLayoutVer[FLASHLAYOUTVER_LEN];// 192-195: Version flash layout + char fskernelCRC[CRC_LEN]; // 196-199: kernel+rootfs CRC32 + char information2[TAGINFO2_LEN]; // 200-215: Unused at present except Alice Gate where is is information + char imageCRC[CRC_LEN]; // 216-219: CRC32 of image less imagetag (kernel for Alice Gate) + char rootfsCRC[CRC_LEN]; // 220-223: CRC32 of rootfs partition + char kernelCRC[CRC_LEN]; // 224-227: CRC32 of kernel partition + char reserved1[8]; // 228-235: Unused at present + char headerCRC[CRC_LEN]; // 236-239: CRC32 of header excluding tagVersion + char reserved2[16]; // 240-255: Unused at present }; #endif /* __BCM63XX_TAG_H */ |