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432-mtd-bcm47xxpart-detect-T_Meter-partition.patch 1.4 KB

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  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. It can be found on many Netgear devices. It consists of many 0x30 blocks
  9. starting with 4D 54.
  10. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  11. ---
  12. drivers/mtd/bcm47xxpart.c | 10 ++++++++++
  13. 1 file changed, 10 insertions(+)
  14. --- a/drivers/mtd/bcm47xxpart.c
  15. +++ b/drivers/mtd/bcm47xxpart.c
  16. @@ -38,6 +38,7 @@
  17. #define NVRAM_HEADER 0x48534C46 /* FLSH */
  18. #define POT_MAGIC1 0x54544f50 /* POTT */
  19. #define POT_MAGIC2 0x504f /* OP */
  20. +#define T_METER_MAGIC 0x4D540000 /* MT */
  21. #define ML_MAGIC1 0x39685a42
  22. #define ML_MAGIC2 0x26594131
  23. #define TRX_MAGIC 0x30524448
  24. @@ -207,6 +208,15 @@ static int bcm47xxpart_parse(struct mtd_
  25. MTD_WRITEABLE);
  26. continue;
  27. }
  28. +
  29. + /* T_Meter */
  30. + if ((le32_to_cpu(buf[0x000 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  31. + (le32_to_cpu(buf[0x030 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  32. + (le32_to_cpu(buf[0x060 / 4]) & 0xFFFF0000) == T_METER_MAGIC) {
  33. + bcm47xxpart_add_part(&parts[curr_part++], "T_Meter", offset,
  34. + MTD_WRITEABLE);
  35. + continue;
  36. + }
  37. /* TRX */
  38. if (buf[0x000 / 4] == TRX_MAGIC) {