diff options
Diffstat (limited to 'drivers/mtd/devices/docg3.h')
| -rw-r--r-- | drivers/mtd/devices/docg3.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index 07182f9d484..a349915da77 100644 --- a/drivers/mtd/devices/docg3.h +++ b/drivers/mtd/devices/docg3.h @@ -118,6 +118,8 @@ #define DOC_BCH_SYNDROM(idx) (0x1048 + (idx << 0)) #define DOC_PROTECTION 0x1056 +#define DOC_DPS0_KEY 0x105c +#define DOC_DPS1_KEY 0x105e #define DOC_DPS0_ADDRLOW 0x1060 #define DOC_DPS0_ADDRHIGH 0x1062 #define DOC_DPS1_ADDRLOW 0x1064 @@ -252,6 +254,17 @@ #define DOC_PLANES_STATUS_PLANE0_KO 0x02 #define DOC_PLANES_STATUS_PLANE1_KO 0x04 +/* + * DPS key management + * + * Each floor of docg3 has 2 protection areas: DPS0 and DPS1. These areas span + * across block boundaries, and define whether these blocks can be read or + * written. + * The definition is dynamically stored in page 0 of blocks (2,3) for DPS0, and + * page 0 of blocks (4,5) for DPS1. + */ +#define DOC_LAYOUT_DPS_KEY_LENGTH 8 + /** * struct docg3 - DiskOnChip driver private data * @dev: the device currently under control |