2015-12-03 06:23:22 +08:00
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From fd54aa583296f9adfb1f519affbc10ba521eb809 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Wed, 28 Jan 2015 22:14:41 +0100
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Subject: [PATCH] mtd: bcm47xxpart: detect T_Meter partition
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It can be found on many Netgear devices. It consists of many 0x30 blocks
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starting with 4D 54.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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drivers/mtd/bcm47xxpart.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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2016-01-02 08:33:31 +08:00
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@@ -38,6 +38,7 @@
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2015-12-03 06:23:22 +08:00
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#define NVRAM_HEADER 0x48534C46 /* FLSH */
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#define POT_MAGIC1 0x54544f50 /* POTT */
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#define POT_MAGIC2 0x504f /* OP */
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+#define T_METER_MAGIC 0x4D540000 /* MT */
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#define ML_MAGIC1 0x39685a42
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#define ML_MAGIC2 0x26594131
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#define TRX_MAGIC 0x30524448
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2016-01-02 08:33:48 +08:00
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@@ -207,6 +208,15 @@ static int bcm47xxpart_parse(struct mtd_
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2015-12-03 06:23:22 +08:00
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MTD_WRITEABLE);
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continue;
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}
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+
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+ /* T_Meter */
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+ if ((le32_to_cpu(buf[0x000 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
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+ (le32_to_cpu(buf[0x030 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
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+ (le32_to_cpu(buf[0x060 / 4]) & 0xFFFF0000) == T_METER_MAGIC) {
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+ bcm47xxpart_add_part(&parts[curr_part++], "T_Meter", offset,
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+ MTD_WRITEABLE);
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+ continue;
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+ }
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/* TRX */
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if (buf[0x000 / 4] == TRX_MAGIC) {
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