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kernel: bcm47xxpart: support boart_data partition on Xiaomi

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

SVN-Revision: 44157
This commit is contained in:
Rafał Miłecki 2015-01-27 22:13:18 +00:00
parent 6296b8ca9f
commit 3579379dba
2 changed files with 78 additions and 0 deletions
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39
target/linux/generic/patches-3.14/431-mtd-bcm47xxpart-support-for-Xiaomi-specific-board_da.patch Normal file
View file

@ -0,0 +1,39 @@
From 841e59ba3e496d86ca5f069204d5e5c1ad43c01d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 27 Jan 2015 22:29:21 +0100
Subject: [PATCH] mtd: bcm47xxpart: support for Xiaomi specific board_data
partition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/bcm47xxpart.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index c0720c1..f14ec0f 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -33,6 +33,7 @@
/* Magics */
#define BOARD_DATA_MAGIC 0x5246504D /* MPFR */
#define BOARD_DATA_MAGIC2 0xBD0D0BBD
+#define BOARD_DATA_XIAOMI_MAGIC 0x474D4442 /* GMDB */
#define CFE_MAGIC 0x43464531 /* 1EFC */
#define FACTORY_MAGIC 0x59544346 /* FCTY */
#define NVRAM_HEADER 0x48534C46 /* FLSH */
@@ -261,7 +262,8 @@ static int bcm47xxpart_parse(struct mtd_
}
/* Some devices (ex. WNDR3700v3) don't have a standard 'MPFR' */
- if (buf[0x000 / 4] == BOARD_DATA_MAGIC2) {
+ if (buf[0x000 / 4] == BOARD_DATA_MAGIC2 ||
+ le32_to_cpu(buf[0x000 / 4]) == BOARD_DATA_XIAOMI_MAGIC) {
bcm47xxpart_add_part(&parts[curr_part++], "board_data",
offset, MTD_WRITEABLE);
continue;
--
1.8.4.5

39
target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-for-Xiaomi-specific-board_da.patch Normal file
View file

@ -0,0 +1,39 @@
From 841e59ba3e496d86ca5f069204d5e5c1ad43c01d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 27 Jan 2015 22:29:21 +0100
Subject: [PATCH] mtd: bcm47xxpart: support for Xiaomi specific board_data
partition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/bcm47xxpart.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index c0720c1..f14ec0f 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -33,6 +33,7 @@
/* Magics */
#define BOARD_DATA_MAGIC 0x5246504D /* MPFR */
#define BOARD_DATA_MAGIC2 0xBD0D0BBD
+#define BOARD_DATA_XIAOMI_MAGIC 0x474D4442 /* GMDB */
#define CFE_MAGIC 0x43464531 /* 1EFC */
#define FACTORY_MAGIC 0x59544346 /* FCTY */
#define NVRAM_HEADER 0x48534C46 /* FLSH */
@@ -262,7 +263,8 @@ static int bcm47xxpart_parse(struct mtd_info *master,
}
/* Some devices (ex. WNDR3700v3) don't have a standard 'MPFR' */
- if (buf[0x000 / 4] == BOARD_DATA_MAGIC2) {
+ if (buf[0x000 / 4] == BOARD_DATA_MAGIC2 ||
+ le32_to_cpu(buf[0x000 / 4]) == BOARD_DATA_XIAOMI_MAGIC) {
bcm47xxpart_add_part(&parts[curr_part++], "board_data",
offset, MTD_WRITEABLE);
continue;
--
1.8.4.5