diff options
Diffstat (limited to 'target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h')
| -rw-r--r-- | target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h | 25 |
1 files changed, 13 insertions, 12 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 1613150e4..a4f06f832 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 @@ -6,6 +6,7 @@ #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 NUM_TAGID 5 #define IMAGETAG_CRC_START 0xFFFFFFFF @@ -15,18 +16,18 @@ struct tagiddesc_t { char tagiddesc[80]; }; - // what is called bc308 may actually be BT Voyager-specific - // bc310 should be right + // 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)" }, \ - { "bc308", "Broadcom code version 3.08" }, \ + { "bc221", "Broadcom code version 2.21" }, \ { "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 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 @@ -52,7 +53,7 @@ struct bcm_tag_bccfe { }; struct bcm_tag_bc300 { - unsigned char tagVersion[4]; // 0-3: Version of the image tag + 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 @@ -80,7 +81,7 @@ struct bcm_tag_bc300 { }; struct bcm_tag_ag306 { - unsigned char tagVersion[4]; // 0-3: Version of the image tag + 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 @@ -105,8 +106,8 @@ struct bcm_tag_ag306 { 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 +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 @@ -121,12 +122,12 @@ struct bcm_tag_bc308 { 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 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[2]; // 192-193: Version flash layout - unsigned char curflashLayoutVer[2]; // 194-195: Unused at present + unsigned char flashLayoutVer[4]; // 192-195: Version flash layout 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 @@ -170,7 +171,7 @@ 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_bc221 bc221; struct bcm_tag_bc310 bc310; }; |