OpenWrt – Rev 4

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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: mtd: bcm47xxpart: detect T_Meter partition

It can be found on many Netgear devices. It consists of many 0x30 blocks
starting with 4D 54.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
 drivers/mtd/bcm47xxpart.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -39,6 +39,7 @@
 #define NVRAM_HEADER                   0x48534C46      /* FLSH */
 #define POT_MAGIC1                     0x54544f50      /* POTT */
 #define POT_MAGIC2                     0x504f          /* OP */
+#define T_METER_MAGIC                  0x4D540000      /* MT */
 #define ML_MAGIC1                      0x39685a42
 #define ML_MAGIC2                      0x26594131
 #define TRX_MAGIC                      0x30524448
@@ -182,6 +183,15 @@ static int bcm47xxpart_parse(struct mtd_
                                             MTD_WRITEABLE);
                        continue;
                }
+
+               /* T_Meter */
+               if ((le32_to_cpu(buf[0x000 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
+                   (le32_to_cpu(buf[0x030 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
+                   (le32_to_cpu(buf[0x060 / 4]) & 0xFFFF0000) == T_METER_MAGIC) {
+                       bcm47xxpart_add_part(&parts[curr_part++], "T_Meter", offset,
+                                            MTD_WRITEABLE);
+                       continue;
+               }
 
                /* TRX */
                if (buf[0x000 / 4] == TRX_MAGIC) {