From fd54aa583296f9adfb1f519affbc10ba521eb809 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 28 Jan 2015 22:14:41 +0100 Subject: [PATCH] mtd: bcm47xxpart: detect T_Meter partition MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It can be found on many Netgear devices. It consists of many 0x30 blocks starting with 4D 54. Signed-off-by: Rafał Miłecki --- 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 @@ -176,6 +177,15 @@ 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) {