[U-Boot] no mtdparted from U-Boot> prompt
This is my first post to the list. I am using u-boot-1.3.4 in buildroot-2011.11 My device is a at91sam9g20-ek I have a patch adding: include/configs/at91sam9g20ek.h which I gather acts as a config file for u-boot.
U-Boot> help does not list mtdparts
But my bootargs does use it: bootargs=mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2
Is there a trick to add the mtdparts command? Or is there supposed to be a command?
I unsuccessfully added to include/configs/at91sam9g20ek.h #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 1 // Required to include cmd_jffs2.c which did not result in adding the command line.
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Hi Johns,
On 12/21/2012 07:53 AM, johns@msli.com wrote:
This is my first post to the list. I am using u-boot-1.3.4 in buildroot-2011.11 My device is a at91sam9g20-ek I have a patch adding: include/configs/at91sam9g20ek.h which I gather acts as a config file for u-boot.
U-Boot> help does not list mtdparts
But my bootargs does use it: bootargs=mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2
This mtdparts is defined for Linux kernel NAND driver.
Is there a trick to add the mtdparts command?
Yes, you need to add "#define CONFIG_CMD_MTDPARTS" in
include/configs/at91sam9g20ek.h
Or is there supposed to be a command?
I unsuccessfully added to include/configs/at91sam9g20ek.h #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 1 // Required to include cmd_jffs2.c which did not result in adding the command line.
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On Fri, 2012-12-21 at 17:59 +0800, Bo Shen wrote:
Hi Johns,
On 12/21/2012 07:53 AM, johns@msli.com wrote:
This is my first post to the list. I am using u-boot-1.3.4 in buildroot-2011.11 My device is a at91sam9g20-ek I have a patch adding: include/configs/at91sam9g20ek.h which I gather acts as a config file for u-boot.
U-Boot> help does not list mtdparts
But my bootargs does use it: bootargs=mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2
This mtdparts is defined for Linux kernel NAND driver.
I had the impression there was also an interactive command-line tool for mtdparts, from the u-boot prompt.
Is there a trick to add the mtdparts command?
Yes, you need to add "#define CONFIG_CMD_MTDPARTS" in
I added this to include/configs/at91sam9g20ek.h
Now it contains: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 #define CONFIG_CMD_MTDPARTS"
NOTICE: This email may contain confidential information. Please see http://www.meyersound.com/confidential/ for our complete policy.
On Fri, 2012-12-21 at 10:29 -0800, johns@msli.com wrote:
On Fri, 2012-12-21 at 17:59 +0800, Bo Shen wrote:
Hi Johns,
On 12/21/2012 07:53 AM, johns@msli.com wrote:
This is my first post to the list. I am using u-boot-1.3.4 in buildroot-2011.11 My device is a at91sam9g20-ek I have a patch adding: include/configs/at91sam9g20ek.h which I gather acts as a config file for u-boot.
U-Boot> help does not list mtdparts
But my bootargs does use it: bootargs=mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2
This mtdparts is defined for Linux kernel NAND driver.
I had the impression there was also an interactive command-line tool for mtdparts, from the u-boot prompt.
This post give me the impression that there should be a uboot mtdparts command in addtion to the kernel option. http://stackoverflow.com/questions/8585864/nand-partitioning-in-u-boot
Is there a trick to add the mtdparts command?
Yes, you need to add "#define CONFIG_CMD_MTDPARTS" in
I added this to include/configs/at91sam9g20ek.h
Now it contains: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 #define CONFIG_CMD_MTDPARTS"
NOTICE: This email may contain confidential information. Please see http://www.meyersound.com/confidential/ for our complete policy. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Dear John Stile,
In message 1356130404.28896.135.camel@genx you wrote:
I had the impression there was also an interactive command-line tool for mtdparts, from the u-boot prompt.
This post give me the impression that there should be a uboot mtdparts command in addtion to the kernel option. http://stackoverflow.com/questions/8585864/nand-partitioning-in-u-boot
Yes, there is.
For example:
=> mtdparts -? mtdparts - define flash/nand partitions
Usage: mtdparts - list partition table mtdparts delall - delete all partitions mtdparts del part-id - delete partition (e.g. part-id = nand0,1) mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro] - add partition mtdparts default - reset partition table to defaults
-----
this command uses three environment variables:
'partition' - keeps current partition identifier
partition := <part-id> <part-id> := <dev-id>,part_num
'mtdids' - linux kernel mtd device id <-> u-boot device id mapping
mtdids=<idmap>[,<idmap>,...]
<idmap> := <dev-id>=<mtd-id> <dev-id> := 'nand'|'nor'|'onenand'<dev-num> <dev-num> := mtd device number, 0... <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
'mtdparts' - partition list
mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]
<mtd-def> := <mtd-id>:<part-def>[,<part-def>...] <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) <part-def> := <size>[@<offset>][<name>][<ro-flag>] <size> := standard linux memsize OR '-' to denote all remaining space <offset> := partition start offset within the device <name> := '(' NAME ')' <ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)
=> mtdparts
device nor0 <fc000000.flash>, # parts = 7 #: name size offset mask_flags 0: firmware 0x00100000 0x00000000 0 1: dtb 0x00040000 0x00100000 0 2: kernel 0x00240000 0x00140000 0 3: small-fs 0x00280000 0x00380000 0 4: initrd 0x00200000 0x00600000 0 5: misc 0x00800000 0x00800000 0 6: big-fs 0x01000000 0x01000000 0
active partition: nor0,0 - (firmware) 0x00100000 @ 0x00000000
defaults: mtdids : nor0=fc000000.flash mtdparts: mtdparts=fc000000.flash:1m(firmware),256k(dtb),2304k(kernel),2560k(small-fs),2m(initrd),8m(misc),16m(big-fs) =>
Now it contains: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 #define CONFIG_CMD_MTDPARTS"
If this is an exact copy, then please remove this '"'
Best regards,
Wolfgang Denk
On Sat, 2012-12-22 at 00:13 +0100, Wolfgang Denk wrote:
Dear John Stile,
In message 1356130404.28896.135.camel@genx you wrote:
I had the impression there was also an interactive command-line tool for mtdparts, from the u-boot prompt.
This post give me the impression that there should be a uboot mtdparts command in addtion to the kernel option. http://stackoverflow.com/questions/8585864/nand-partitioning-in-u-boot
Yes, there is.
For example:
=> mtdparts -? mtdparts - define flash/nand partitions
Usage: mtdparts - list partition table mtdparts delall - delete all partitions mtdparts del part-id - delete partition (e.g. part-id = nand0,1) mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro] - add partition mtdparts default - reset partition table to defaults
this command uses three environment variables:
'partition' - keeps current partition identifier
partition := <part-id> <part-id> := <dev-id>,part_num
'mtdids' - linux kernel mtd device id <-> u-boot device id mapping
mtdids=<idmap>[,<idmap>,...]
<idmap> := <dev-id>=<mtd-id> <dev-id> := 'nand'|'nor'|'onenand'<dev-num> <dev-num> := mtd device number, 0... <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
'mtdparts' - partition list
mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]
<mtd-def> := <mtd-id>:<part-def>[,<part-def>...] <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) <part-def> := <size>[@<offset>][<name>][<ro-flag>] <size> := standard linux memsize OR '-' to denote all remaining space <offset> := partition start offset within the device <name> := '(' NAME ')' <ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)
=> mtdparts
device nor0 <fc000000.flash>, # parts = 7 #: name size offset mask_flags 0: firmware 0x00100000 0x00000000 0 1: dtb 0x00040000 0x00100000 0 2: kernel 0x00240000 0x00140000 0 3: small-fs 0x00280000 0x00380000 0 4: initrd 0x00200000 0x00600000 0 5: misc 0x00800000 0x00800000 0 6: big-fs 0x01000000 0x01000000 0
active partition: nor0,0 - (firmware) 0x00100000 @ 0x00000000
defaults: mtdids : nor0=fc000000.flash mtdparts: mtdparts=fc000000.flash:1m(firmware),256k(dtb),2304k(kernel),2560k(small-fs),2m(initrd),8m(misc),16m(big-fs) =>
Now it contains: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 #define CONFIG_CMD_MTDPARTS"
If this is an exact copy, then please remove this '"'
It actually reads this: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 1 // Required to include cmd_jffs2.c #define CONFIG_CMD_MTDPARTS 1 // Required for mtdparts command in uboot
But the command is not available on my system. Would it help to post my .h or maybe my build log?
Hi,
On Fri, 21 Dec 2012 16:00:46 -0800 John Stile john@stilen.com wrote: ...
Now it contains: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 #define CONFIG_CMD_MTDPARTS"
If this is an exact copy, then please remove this '"'
It actually reads this: #define CONFIG_JFFS2_NAND 1 #define CONFIG_JFFS2_CMDLINE 1 #define CONFIG_CMD_JFFS2 1 // Required to include cmd_jffs2.c #define CONFIG_CMD_MTDPARTS 1 // Required for mtdparts command in uboot
Adding CONFIG_CMD_MTDPARTS won't work, this option is not available in this very old U-Boot v1.3.4. CONFIG_JFFS2_CMDLINE should add mtdparts command. Please double check where you add this option and ensure that it is not added in some #ifdef ... #elif ... #endif construct. Depending on the CFG_USE_* build options some options in the config file may have no effect at all.
But the command is not available on my system. Would it help to post my .h or maybe my build log?
It might help.
Thanks, Anatolij
participants (5)
-
Anatolij Gustschin -
Bo Shen -
John Stile -
johns＠msli.com -
Wolfgang Denk