target/linux/generic/patches-3.18/432-mtd-bcm47xxpart-detect-T_Meter-partition.patch

   1 From fd54aa583296f9adfb1f519affbc10ba521eb809 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Wed, 28 Jan 2015 22:14:41 +0100
   4 Subject: [PATCH] mtd: bcm47xxpart: detect T_Meter partition
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 It can be found on many Netgear devices. It consists of many 0x30 blocks
  10 starting with 4D 54.
  11
  12 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  13 ---
  14  drivers/mtd/bcm47xxpart.c | 10 ++++++++++
  15  1 file changed, 10 insertions(+)
  16
  17 --- a/drivers/mtd/bcm47xxpart.c
  18 +++ b/drivers/mtd/bcm47xxpart.c
  19 @@ -39,6 +39,7 @@
  20  #define NVRAM_HEADER                   0x48534C46      /* FLSH */
  21  #define POT_MAGIC1                     0x54544f50      /* POTT */
  22  #define POT_MAGIC2                     0x504f          /* OP */
  23 +#define T_METER_MAGIC                  0x4D540000      /* MT */
  24  #define ML_MAGIC1                      0x39685a42
  25  #define ML_MAGIC2                      0x26594131
  26  #define TRX_MAGIC                      0x30524448
  27 @@ -176,6 +177,15 @@ static int bcm47xxpart_parse(struct mtd_
  28                                              MTD_WRITEABLE);
  29                         continue;
  30                 }
  31 +
  32 +               /* T_Meter */
  33 +               if ((le32_to_cpu(buf[0x000 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  34 +                   (le32_to_cpu(buf[0x030 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  35 +                   (le32_to_cpu(buf[0x060 / 4]) & 0xFFFF0000) == T_METER_MAGIC) {
  36 +                       bcm47xxpart_add_part(&parts[curr_part++], "T_Meter", offset,
  37 +                                            MTD_WRITEABLE);
  38 +                       continue;
  39 +               }
  40
  41                 /* TRX */
  42                 if (buf[0x000 / 4] == TRX_MAGIC) {