From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Wed, 25 Jan 2017 20:48:04 +0100 Subject: [U-Boot] u-boot hangs when attaching an mtd to ubi using spinor flash, MX25L51245G In-Reply-To: References: Message-ID: <588900F4.5010603@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Davis, Am 20.01.2017 um 02:15 schrieb Davis Roman: > Hello, > > I'm seeing unusual behavior when u-boot attempts to attach an mtd > partition to a ubi device using a spi-nor flash (MX25L51245G). > > When the mtd partition size is set to less than 15MiB, the attach > works, however when the mtd partition size is increased to 16MB or > greater, u-boot displays the message"ubi0: attaching mtd1" and hangs > indefinately. No real idea ... can you enable UBI DEBUG output? Are the sectors behind 576k + 15MiB erased? Or contain they some crap? May you can try to erase the rootfs partition before attaching? bye, Heiko > I've searched through the u-boot mailing archives but I have yet to > find anything that might shed some light on this issue. > > Here are the steps to reproduce: > > $ git clone https://github.com/linux4sam/u-boot-at91.git -b u-boot-2016.03-at91 > > $ cd u-boot-at91/ > > Patch the following config file: include/configs/at91sam9x5ek_spiflash_defconfig > > --- include/configs/at91sam9x5ek_spiflash_defconfig 2017-01-19 > 19:08:50.257475024 -0500 > +++ include/configs/at91sam9x5ek_spiflash_defconfig 2017-01-19 > 19:12:37.045475024 -0500 > @@ -1,7 +1,6 @@ > CONFIG_ARM=y > CONFIG_ARCH_AT91=y > CONFIG_TARGET_AT91SAM9X5EK=y > -CONFIG_SPL=y > CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9X5,SYS_USE_SPIFLASH" > CONFIG_SYS_PROMPT="U-Boot> " > # CONFIG_CMD_IMI is not set > @@ -10,4 +9,7 @@ CONFIG_SYS_PROMPT="U-Boot> " > # CONFIG_CMD_FPGA is not set > # CONFIG_CMD_SETEXPR is not set > CONFIG_SPI_FLASH=y > -CONFIG_SPI_FLASH_ATMEL=y > +CONFIG_SPI_FLASH_ABOVE_16MB=y > +CONFIG_SPI_FLASH_4B_OPCODES=y > +CONFIG_SPI_FLASH_MACRONIX=y > +CONFIG_SPI_FLASH_MTD=y > > $ make at91sam9x5ek_spiflash_defconfig > > $ make > > Copy u-boot.bin onto the board > > 1) The following is the case where the rootfs mtd partition attaches > successfully and it's value is set to 15MB > > U-Boot> setenv mtdparts > 'mtdparts=spi32766.0:64k(bootstrap),512k(uboot),15M(rootfs)' > U-Boot> setenv mtdids 'nor0=spi32766.0' > U-Boot> sf probe 0 > U-Boot> ubi part rootfs > SF: Detected MX25L51235F with page size 256 Bytes, erase size 64 KiB, > total 64 MiB > ubi0: attaching mtd1 > ubi0: scanning is finished > ubi0: attached mtd1 (name "mtd=2", size 15 MiB) > ubi0: PEB size: 65536 bytes (64 KiB), LEB size: 65408 bytes > ubi0: min./max. I/O unit sizes: 1/256, sub-page size 1 > ubi0: VID header offset: 64 (aligned 64), data offset: 128 > ubi0: good PEBs: 240, bad PEBs: 0, corrupted PEBs: 0 > ubi0: user volume: 0, internal volumes: 1, max. volumes count: 128 > ubi0: max/mean erase counter: 2/1, WL threshold: 4096, image sequence > number: 943000472 > ubi0: available PEBs: 236, total reserved PEBs: 4, PEBs reserved for > bad PEB handling: 0 > U-Boot> > > 2) The following is the case where the rootfs mtd partition fails to > attach. It's size is set to 16MB > > U-Boot> setenv mtdparts > 'mtdparts=spi32766.0:64k(bootstrap),512k(uboot),16M(rootfs)' > U-Boot> setenv mtdids 'nor0=spi32766.0' > U-Boot> sf probe 0 > U-Boot> ubi part rootfs > SF: Detected MX25L51235F with page size 256 Bytes, erase size 64 KiB, > total 64 MiB > ubi0: attaching mtd1 > > > At this point, u-boot is now hung and the only difference between case > 1 and case 2 is the size of the rootfs mtd partition changed from 15MB > to 16MB > > I would greatly appreciate any ideas. Unfortunately at this point, I'm > stuck on this issue. > > Thank you, > > Davis > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot > -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany