2017-01-27 13:32:10 +00:00
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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2016-12-25 19:11:34 +00:00
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Subject: mtd: bcm47xxpart: detect T_Meter partition
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2017-01-27 13:32:10 +00:00
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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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2018-07-27 19:54:08 +00:00
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@@ -40,6 +40,7 @@
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2017-01-27 13:32:10 +00:00
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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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2018-07-27 19:54:08 +00:00
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@@ -183,6 +184,15 @@ static int bcm47xxpart_parse(struct mtd_
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2017-01-27 13:32:10 +00:00
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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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