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			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
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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@@ -38,6 +38,7 @@
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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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@@ -207,6 +208,15 @@ static int bcm47xxpart_parse(struct mtd_
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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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