brcm47xx: Add support for Huawei E970
[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-3.10 / 030-mtd-bcm47xxpart_detect_factory_partition.patch
1 mtd: bcm47xxpart: detect "factory" partition
2
3 A new type of partition with magic FCTY was found on Huawei E970:
4 46 43 54 59 4b 51 37 4e 41 42 31 38 41 32 39 30 |FCTYKQ7NAB18A290|
5
6 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
7
8 --- a/drivers/mtd/bcm47xxpart.c
9 +++ b/drivers/mtd/bcm47xxpart.c
10 @@ -28,6 +28,7 @@
11 /* Magics */
12 #define CFE_MAGIC 0x43464531 /* 1EFC */
13 #define BOARD_DATA_MAGIC 0x5246504D /* MPFR */
14 +#define FACTORY_MAGIC 0x59544346 /* FCTY */
15 #define POT_MAGIC1 0x54544f50 /* POTT */
16 #define POT_MAGIC2 0x504f /* OP */
17 #define ML_MAGIC1 0x39685a42
18 @@ -113,6 +114,13 @@ static int bcm47xxpart_parse(struct mtd_
19 offset, MTD_WRITEABLE);
20 continue;
21 }
22 +
23 + /* Found on Huawei E970 */
24 + if (buf[0x000 / 4] == FACTORY_MAGIC) {
25 + bcm47xxpart_add_part(&parts[curr_part++], "factory",
26 + offset, MTD_WRITEABLE);
27 + continue;
28 + }
29
30 /* POT(TOP) */
31 if (buf[0x000 / 4] == POT_MAGIC1 &&