From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pekon Gupta Date: Fri, 14 Feb 2014 22:31:45 +0530 Subject: [U-Boot] [PATCH v2 0/3] mtd: nand: omap: fix ecc-layout Message-ID: <1392397308-17630-1-git-send-email-pekon@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de *changes v1 -> v2* [PATCH 1/3] fix oobfree->offset calculation + adjust for reserved-marker of last sector [PATCH 2/3] [PATCH 3/3] refactor code as suggested by Brian Norris *original v1* [PATCH 1/2] http://lists.infradead.org/pipermail/linux-mtd/2013-December/050946.html [PATCH 2/2] http://lists.infradead.org/pipermail/linux-mtd/2013-December/050945.html This patch-set is tested on AM335x-EVM using following end-to-end boot sequence with appropriate u-boot configs [1] (BCH8_HW) (BCH8_SW) (BCH8_SW) (BCH8_SW) (UBIFS) ROM ---------> SPL ---------> U-Boot ---------> Kernel ---------> File-System (BCH8_HW) (BCH8_HW) (BCH8_HW) (BCH8_HW) (UBIFS) ROM ---------> SPL ---------> U-Boot ---------> Kernel ---------> File-System Test1: flash ubi image from u-boot and boot the kernel u-boot> mw 0x82000000 0xff u-boot> fatload mmc 0 0x82000000 u-boot.img u-boot> nand erase u-boot> nand write 0x82000000 u-boot> setenv bootargs 'console=ttyO0,115200n8 noinitrd mem=256M \ root=ubi0 rw rootfstype=ubifs ubi.mtd=,\ ip=off init=/init' u-boot> bootm Test2: update u-boot.img from kernel and re-boot kernel> flash_erase /dev/ 0 0 kernel> nandwrite -s 0 /dev/ u-boot.img kernel> reboot [1] u-boot configurations to match above ecc-layout are documented at https://processors.wiki.ti.com/index.php/Linux_Core_NAND_User%27s_Guide Pekon Gupta (3): mtd: nand: omap: fix ecclayout->oobfree->offset mtd: nand: omap: fix ecclayout->oobfree->length mtd: nand: omap: fix ecclayout to be in sync with u-boot NAND driver drivers/mtd/nand/omap2.c | 61 +++++++++++++++++++++++++++++++----------------- 1 file changed, 40 insertions(+), 21 deletions(-) -- 1.8.5.1.163.gd7aced9