Re: [U-Boot] MTD partitions not mounted by the kernel
On 02/11/2011 10:06 AM, Wolfgang Denk wrote: > Dear Alexandre Gambier, > > please do not top post / full quote; please read > http://www.netmeister.org/news/learn2quote.html Sorry > In message<4d54eb92.7080...@ftemaximal.fr> you wrote: >> I will try to write my own driver for my board. > You almost certainly do not have to write any new driver. > > You just need to configure the existing ones for your hardware. > > Best regards, I will try to use physmap-flash for the NOR and gen_nand for the NAND. > Wolfgang Denk > ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Dear Alexandre Gambier, please do not top post / full quote; please read http://www.netmeister.org/news/learn2quote.html In message <4d54eb92.7080...@ftemaximal.fr> you wrote: > > I will try to write my own driver for my board. You almost certainly do not have to write any new driver. You just need to configure the existing ones for your hardware. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de (null cookie; hope that's ok) ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Hello Andreas, Thanks for this explanation. I will try to write my own driver for my board. Best regards alex On 02/10/2011 07:24 PM, Andreas Pretzsch wrote: > Am Donnerstag, den 10.02.2011, 17:04 +0100 schrieb Alexandre Gambier: >> Dear Wolfgang, >> >> I tried to put some printk in the MTD driver and it seems that the >> parse_mtd_partitions function is never called... > parse_mtd_partitions() is called from the mapping drivers. See e.g. > linux/drivers/mtd/maps/ and linux/drivers/mtd/nand/. > > The mtd-id provided in kernel-cmdline has to match the name of the > mapping driver, e.g. "physmap-flash" in case of > drivers/mtd/maps/physmap.c. > > See linux/drivers/mtd/cmdlinepart.c for the format. Your spec looks > fine, presumably beside "NOR" and "NAND" names. > >> I will try to find what's wrong with my kernel configuration. > You'll need CONFIG_MTD_PARTITIONS and CONFIG_MTD_CMDLINE_PARTS. > > Also check /proc/cmdline that it's really passed and not overwritten by > hardcoded kernel commandline (CONFIG_CMDLINE_BOOL not set). > >> alex >> >> On 02/10/2011 03:59 PM, Wolfgang Denk wrote: >>> Dear Alexandre Gambier, >>> >>> In message<4d53f9fa.2070...@ftemaximal.fr> you wrote: mtdids : nor0=NOR,nand0=NAND >>> ... mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) >>> ... The problem is that once my system is running the MTD devices in /dev are not created and the file /proc/mtd is empty. Is my command line wrong ? >>> I think so. Most probably your kernel uses different identifiers >>> instead of "NOR" and "NAND". Check the kernel boot messages! >>> >>> Best regards, >>> >>> Wolfgang Denk >>> >> ___ >> U-Boot mailing list >> U-Boot@lists.denx.de >> http://lists.denx.de/mailman/listinfo/u-boot ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Am Donnerstag, den 10.02.2011, 17:04 +0100 schrieb Alexandre Gambier: > Dear Wolfgang, > > I tried to put some printk in the MTD driver and it seems that the > parse_mtd_partitions function is never called... parse_mtd_partitions() is called from the mapping drivers. See e.g. linux/drivers/mtd/maps/ and linux/drivers/mtd/nand/. The mtd-id provided in kernel-cmdline has to match the name of the mapping driver, e.g. "physmap-flash" in case of drivers/mtd/maps/physmap.c. See linux/drivers/mtd/cmdlinepart.c for the format. Your spec looks fine, presumably beside "NOR" and "NAND" names. > I will try to find what's wrong with my kernel configuration. You'll need CONFIG_MTD_PARTITIONS and CONFIG_MTD_CMDLINE_PARTS. Also check /proc/cmdline that it's really passed and not overwritten by hardcoded kernel commandline (CONFIG_CMDLINE_BOOL not set). > > alex > > On 02/10/2011 03:59 PM, Wolfgang Denk wrote: > > Dear Alexandre Gambier, > > > > In message<4d53f9fa.2070...@ftemaximal.fr> you wrote: > >> mtdids : nor0=NOR,nand0=NAND > > ... > >> mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) > > ... > >> The problem is that once my system is running the MTD devices in /dev > >> are not created and the file /proc/mtd is empty. > >> > >> Is my command line wrong ? > > I think so. Most probably your kernel uses different identifiers > > instead of "NOR" and "NAND". Check the kernel boot messages! > > > > Best regards, > > > > Wolfgang Denk > > > ___ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot -- carpe noctem engineering Ingenieurbuero fuer Hard- & Software-Entwicklung Andreas Pretzsch Dipl.-Ing. (FH) Andreas Pretzsch Tel. +49-(0)731-5521572 Hahnengasse 3 Fax: +49-(0)731-5521573 89073 Ulm, Germanyemail: a...@cn-eng.de ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Dear Wolfgang, I tried to put some printk in the MTD driver and it seems that the parse_mtd_partitions function is never called... I will try to find what's wrong with my kernel configuration. alex On 02/10/2011 03:59 PM, Wolfgang Denk wrote: > Dear Alexandre Gambier, > > In message<4d53f9fa.2070...@ftemaximal.fr> you wrote: >> mtdids : nor0=NOR,nand0=NAND > ... >> mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) > ... >> The problem is that once my system is running the MTD devices in /dev >> are not created and the file /proc/mtd is empty. >> >> Is my command line wrong ? > I think so. Most probably your kernel uses different identifiers > instead of "NOR" and "NAND". Check the kernel boot messages! > > Best regards, > > Wolfgang Denk > ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Dear Alexandre Gambier, In message <4d53f9fa.2070...@ftemaximal.fr> you wrote: > > mtdids : nor0=NOR,nand0=NAND ... > mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) ... > The problem is that once my system is running the MTD devices in /dev > are not created and the file /proc/mtd is empty. > > Is my command line wrong ? I think so. Most probably your kernel uses different identifiers instead of "NOR" and "NAND". Check the kernel boot messages! Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de You could end up being oddly sad and full of a strange, diffuse com- passion which would lead you to believe that it might be a good idea to wipe out the whole human race and start again with amoebas. - Terry Pratchett, _Guards! Guards!_ ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] MTD partitions not mounted by the kernel
Le 10/02/2011 15:45, Alexandre Gambier a écrit : > Hello, > > I use U-Boot 1.3.1 with a NOR and a NAND Flash. > I created the following partitions with U-Boot. U-Boot 1.3.1 is rather old., BTW > device nor0, # parts = 4 >#: namesizeoffset mask_flags >0: U-Boot 0x0008 0x 0 >1: Environment 0x0002 0x0008 0 >2: Kernel 0x0040 0x000a 0 >3: FreeNOR 0x0036 0x004a 0 > > device nand0, # parts = 2 >#: namesizeoffset mask_flags >0: FS 0x0200 0x 0 >1: FreeNAND0x0600 0x0200 0 > > active partition: nor0,0 - (U-Boot) 0x0008 @ 0x > > defaults: > mtdids : nor0=NOR,nand0=NAND > mtdparts: > mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) > > I checked the support for MTD devices and for the MTD command line in > the kernel config. > > here is my bootargs environment variable : > bootargs=console=ttyAS0,115200 mem=128M root=/dev/nfs > nfsroot=192.168.1.60:/tftpboot/stlinux/skyworth/rootfs > ip=192.168.1.111:192.168.1.60:192.168.1.1:255.255.255.0 > mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) > > The problem is that once my system is running the MTD devices in /dev > are not created and the file /proc/mtd is empty. > > Is my command line wrong ? The creation of the entries in /dev is not caused by the sole presence of mtdpart= on the command line. Either you must create these entries manually, or you have to have a dynamic /dev manager, for instance udev, create them for you with the help of adequate configuration files. Note that this has nothing to do with U-Boot, though. > Thanks in advance. > Alex Amicalement, -- Albert. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] MTD partitions not mounted by the kernel
Hello, I use U-Boot 1.3.1 with a NOR and a NAND Flash. I created the following partitions with U-Boot. device nor0 , # parts = 4 #: namesizeoffset mask_flags 0: U-Boot 0x0008 0x 0 1: Environment 0x0002 0x0008 0 2: Kernel 0x0040 0x000a 0 3: FreeNOR 0x0036 0x004a 0 device nand0 , # parts = 2 #: namesizeoffset mask_flags 0: FS 0x0200 0x 0 1: FreeNAND0x0600 0x0200 0 active partition: nor0,0 - (U-Boot) 0x0008 @ 0x defaults: mtdids : nor0=NOR,nand0=NAND mtdparts: mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) I checked the support for MTD devices and for the MTD command line in the kernel config. here is my bootargs environment variable : bootargs=console=ttyAS0,115200 mem=128M root=/dev/nfs nfsroot=192.168.1.60:/tftpboot/stlinux/skyworth/rootfs ip=192.168.1.111:192.168.1.60:192.168.1.1:255.255.255.0 mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M(FS),-(FreeNAND) The problem is that once my system is running the MTD devices in /dev are not created and the file /proc/mtd is empty. Is my command line wrong ? Thanks in advance. Alex ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
