From: Simon Arlott <simon@fire.lp0.eu>
To: Ralf Baechle <ralf@linux-mips.org>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Kevin Cernekee <cernekee@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Jonas Gorski <jogo@openwrt.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
MIPS Mailing List <linux-mips@linux-mips.org>,
MTD Maling List <linux-mtd@lists.infradead.org>
Subject: [PATCH linux-next v4 05/11] MIPS: bcm963xx: Update bcm_tag field image_sequence
Date: Sun, 13 Dec 2015 22:48:44 +0000 [thread overview]
Message-ID: <566DF5CC.20908@simon.arlott.org.uk> (raw)
In-Reply-To: <566DF43B.5010400@simon.arlott.org.uk>
The "dual_image" and "inactive_flag" fields should be merged into a single
"image_sequence" field.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
---
v4: New patch.
include/linux/bcm963xx_tag.h | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/include/linux/bcm963xx_tag.h b/include/linux/bcm963xx_tag.h
index 08e0133..161c7b3 100644
--- a/include/linux/bcm963xx_tag.h
+++ b/include/linux/bcm963xx_tag.h
@@ -12,8 +12,7 @@
#define CHIPID_LEN 6 /* Chip Id Length */
#define IMAGE_LEN 10 /* Length of Length Field */
#define ADDRESS_LEN 12 /* Length of Address field */
-#define DUALFLAG_LEN 2 /* Dual Image flag Length */
-#define INACTIVEFLAG_LEN 2 /* Inactie Flag Length */
+#define IMAGE_SEQUENCE_LEN 4 /* Image sequence Length */
#define RSASIG_LEN 20 /* Length of RSA Signature in tag */
#define TAGINFO1_LEN 30 /* Length of vendor information field1 in tag */
#define FLASHLAYOUTVER_LEN 4 /* Length of Flash Layout Version String tag */
@@ -72,10 +71,10 @@ struct bcm_tag {
char kernel_address[ADDRESS_LEN];
/* 128-137: Size of kernel */
char kernel_length[IMAGE_LEN];
- /* 138-139: Unused at the moment */
- char dual_image[DUALFLAG_LEN];
- /* 140-141: Unused at the moment */
- char inactive_flag[INACTIVEFLAG_LEN];
+ /* 138-141: Image sequence number
+ * (to be incremented when flashed with a new image)
+ */
+ char image_sequence[IMAGE_SEQUENCE_LEN];
/* 142-161: RSA Signature (not used; some vendors may use this) */
char rsa_signature[RSASIG_LEN];
/* 162-191: Compilation and related information (not used in OpenWrt) */
--
2.1.4
--
Simon Arlott
next prev parent reply other threads:[~2015-12-13 22:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-13 22:42 [PATCH linux-next v4 00/11] mtd: bcm63xxpart: Add NAND partitioning support Simon Arlott
2015-12-13 22:44 ` Simon Arlott
2015-12-13 22:45 ` [PATCH linux-next v4 01/11] MIPS: bcm963xx: Add Broadcom BCM963xx board nvram data structure Simon Arlott
2015-12-13 22:46 ` [PATCH linux-next v4 02/11] MIPS: bcm63xx: nvram: Use nvram structure definition from header file Simon Arlott
2015-12-13 22:46 ` [PATCH linux-next v4 03/11] MIPS: bcm963xx: Move Broadcom BCM963xx image tag data structure Simon Arlott
2015-12-13 22:47 ` [PATCH linux-next v4 04/11] MIPS: bcm963xx: Move extended flash address to bcm_tag header file Simon Arlott
2015-12-13 22:48 ` Simon Arlott [this message]
2015-12-13 22:49 ` [PATCH linux-next v4 06/11] mtd: bcm63xxpart: Remove dependency on mach-bcm63xx Simon Arlott
2016-02-12 18:49 ` Brian Norris
2015-12-13 22:50 ` [PATCH linux-next v4 07/11] MIPS: bcm63xx: nvram: Remove unused bcm63xx_nvram_get_psi_size() function Simon Arlott
2016-01-26 19:16 ` Brian Norris
2016-02-12 18:53 ` Brian Norris
2015-12-13 22:51 ` [PATCH linux-next v4 08/11] mtd: bcm63xxpart: Extract read of image tag to separate function Simon Arlott
2015-12-13 22:51 ` [PATCH linux-next v4 09/11] mtd: bcm63xxpart: Null terminate and validate conversion of flash strings Simon Arlott
2015-12-13 22:52 ` [PATCH linux-next v4 10/11] mtd: bcm63xxpart: Move NOR flash layout to a separate function Simon Arlott
2015-12-13 22:53 ` [PATCH linux-next v4 11/11] mtd: bcm63xxpart: Add NAND partitioning support Simon Arlott
2016-01-27 23:07 ` Brian Norris
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