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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.h25
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;
};