kernel: bcm47xxpart: support T_Meter partitions

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 44185

target/linux/generic/patches-3.14/432-mtd-bcm47xxpart-detect-T_Meter-partition.patch

+From fd54aa583296f9adfb1f519affbc10ba521eb809 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+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 <zajec5@gmail.com>
+---
+ drivers/mtd/bcm47xxpart.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
+index f14ec0f..40dd0db 100644
+--- 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
+@@ -177,6 +178,15 @@ static int bcm47xxpart_parse(struct mtd_info *master,
+ 			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) {
+ 			if (BCM47XXPART_MAX_PARTS - curr_part < 4) {
+-- 
+1.8.4.5
+

target/linux/generic/patches-3.18/432-mtd-bcm47xxpart-detect-T_Meter-partition.patch

+From fd54aa583296f9adfb1f519affbc10ba521eb809 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+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 <zajec5@gmail.com>
+---
+ drivers/mtd/bcm47xxpart.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
+index f14ec0f..40dd0db 100644
+--- 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
+@@ -177,6 +178,15 @@ static int bcm47xxpart_parse(struct mtd_info *master,
+ 			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) {
+ 			if (BCM47XXPART_MAX_PARTS - curr_part < 4) {
+-- 
+1.8.4.5
+