* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK @ 2012-02-23 11:22 Mikael Åsberg 2012-02-23 12:11 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-23 12:38 ` Baruch Siach 0 siblings, 2 replies; 23+ messages in thread From: Mikael Åsberg @ 2012-02-23 11:22 UTC (permalink / raw) To: buildroot Hello, Does anyone have experience with compiling Linux kernels with Buildroot for i.MX28 EVK? I'm not sure which board name to be set for u-boot for example... Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? Any help or pointers would be valueable! Kind Regards /Mikael ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-23 11:22 [Buildroot] Compile Linux with Buildroot for i.MX28 EVK Mikael Åsberg @ 2012-02-23 12:11 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-23 12:38 ` Baruch Siach 1 sibling, 0 replies; 23+ messages in thread From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-23 12:11 UTC (permalink / raw) To: buildroot On 12:22 Thu 23 Feb , Mikael ?sberg wrote: > Hello, > > Does anyone have experience with compiling Linux kernels with Buildroot for i.MX28 EVK? > I'm not sure which board name to be set for u-boot for example... > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? Sorry we use barebox here Best Regards, J. ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-23 11:22 [Buildroot] Compile Linux with Buildroot for i.MX28 EVK Mikael Åsberg 2012-02-23 12:11 ` Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-23 12:38 ` Baruch Siach [not found] ` <63D6870D443E63419AC4A0C97B86C092030FCA18@MBXCLUSTER.mdh.local> 1 sibling, 1 reply; 23+ messages in thread From: Baruch Siach @ 2012-02-23 12:38 UTC (permalink / raw) To: buildroot Hi Mikael, On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > Does anyone have experience with compiling Linux kernels with Buildroot for > i.MX28 EVK? > I'm not sure which board name to be set for u-boot for example... > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > Any help or pointers would be valueable! Although it's named i.MX28, this chip is very different from i.MX27, but is similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which should be suitable for i.MX28 (and i.MX23). baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - ^ permalink raw reply [flat|nested] 23+ messages in thread
[parent not found: <63D6870D443E63419AC4A0C97B86C092030FCA18@MBXCLUSTER.mdh.local>]
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK [not found] ` <63D6870D443E63419AC4A0C97B86C092030FCA18@MBXCLUSTER.mdh.local> @ 2012-02-23 17:17 ` Baruch Siach 2012-02-24 13:19 ` Mikael Åsberg 0 siblings, 1 reply; 23+ messages in thread From: Baruch Siach @ 2012-02-23 17:17 UTC (permalink / raw) To: buildroot Hi Mikael, Please keep the list in Cc. On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > Hi, > > Thanks a lot for the info! > > I guess its easier to use Barebox, then you just also specify mxs_defconfig > when you configure. You original question was about the Linux kernel not Barebox. Barebox includes support for the TX28 board which is based on i.MX28 (tx28stk5_defconfig). > One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > I choose "arm926t" in the config? The kernel (and Barebox) defconfig files should include all the relevant settings, including this one. baruch > Fr?n: Baruch Siach [baruch at tkos.co.il] > Skickat: den 23 februari 2012 13:38 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > Hi Mikael, > > On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > > Does anyone have experience with compiling Linux kernels with Buildroot for > > i.MX28 EVK? > > I'm not sure which board name to be set for u-boot for example... > > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > > > Any help or pointers would be valueable! > > Although it's named i.MX28, this chip is very different from i.MX27, but is > similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > should be suitable for i.MX28 (and i.MX23). > > baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-23 17:17 ` Baruch Siach @ 2012-02-24 13:19 ` Mikael Åsberg 2012-02-24 13:33 ` Yegor Yefremov 0 siblings, 1 reply; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 13:19 UTC (permalink / raw) To: buildroot Hey, Ok great, thx! One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? If I use barebox, which image can I use? (I prefer an uncompressed kernel) Kind regards -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Baruch Siach [baruch at tkos.co.il] Skickat: den 23 februari 2012 18:17 Till: Mikael ?sberg Kopia: buildroot at busybox.net ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK Hi Mikael, Please keep the list in Cc. On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > Hi, > > Thanks a lot for the info! > > I guess its easier to use Barebox, then you just also specify mxs_defconfig > when you configure. You original question was about the Linux kernel not Barebox. Barebox includes support for the TX28 board which is based on i.MX28 (tx28stk5_defconfig). > One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > I choose "arm926t" in the config? The kernel (and Barebox) defconfig files should include all the relevant settings, including this one. baruch > Fr?n: Baruch Siach [baruch at tkos.co.il] > Skickat: den 23 februari 2012 13:38 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > Hi Mikael, > > On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > > Does anyone have experience with compiling Linux kernels with Buildroot for > > i.MX28 EVK? > > I'm not sure which board name to be set for u-boot for example... > > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > > > Any help or pointers would be valueable! > > Although it's named i.MX28, this chip is very different from i.MX27, but is > similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > should be suitable for i.MX28 (and i.MX23). > > baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 13:19 ` Mikael Åsberg @ 2012-02-24 13:33 ` Yegor Yefremov 2012-02-24 13:53 ` Mikael Åsberg 2012-02-24 15:38 ` Jean-Christophe PLAGNIOL-VILLARD 0 siblings, 2 replies; 23+ messages in thread From: Yegor Yefremov @ 2012-02-24 13:33 UTC (permalink / raw) To: buildroot AFAIK it is always uImage format for both u-boot and barebox. RedBoot has used zImage. Yegor On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > Hey, > > Ok great, thx! > > One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > Kind regards > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Baruch Siach [baruch at tkos.co.il] > Skickat: den 23 februari 2012 18:17 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > Hi Mikael, > > Please keep the list in Cc. > > On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >> Hi, >> >> Thanks a lot for the info! >> >> I guess its easier to use Barebox, then you just also specify mxs_defconfig >> when you configure. > > You original question was about the Linux kernel not Barebox. > > Barebox includes support for the TX28 board which is based on i.MX28 > (tx28stk5_defconfig). > >> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >> I choose "arm926t" in the config? > > The kernel (and Barebox) defconfig files should include all the relevant > settings, including this one. > > baruch > >> Fr?n: Baruch Siach [baruch at tkos.co.il] >> Skickat: den 23 februari 2012 13:38 >> Till: Mikael ?sberg >> Kopia: buildroot at busybox.net >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> Hi Mikael, >> >> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >> > Does anyone have experience with compiling Linux kernels with Buildroot for >> > i.MX28 EVK? >> > I'm not sure which board name to be set for u-boot for example... >> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >> > >> > Any help or pointers would be valueable! >> >> Although it's named i.MX28, this chip is very different from i.MX27, but is >> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >> should be suitable for i.MX28 (and i.MX23). >> >> baruch > > -- > ? ? http://baruch.siach.name/blog/ ? ? ? ? ? ? ? ? ?~. .~ ? Tk Open Systems > =}------------------------------------------------ooO--U--Ooo------------{= > ? - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 13:33 ` Yegor Yefremov @ 2012-02-24 13:53 ` Mikael Åsberg 2012-02-24 14:06 ` Yegor Yefremov 2012-02-24 15:38 ` Jean-Christophe PLAGNIOL-VILLARD 1 sibling, 1 reply; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 13:53 UTC (permalink / raw) To: buildroot Hi, Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? Regards -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Yegor Yefremov [yegorslists at googlemail.com] Skickat: den 24 februari 2012 14:33 Till: Mikael ?sberg Kopia: Baruch Siach; buildroot at busybox.net ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK AFAIK it is always uImage format for both u-boot and barebox. RedBoot has used zImage. Yegor On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > Hey, > > Ok great, thx! > > One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > Kind regards > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Baruch Siach [baruch at tkos.co.il] > Skickat: den 23 februari 2012 18:17 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > Hi Mikael, > > Please keep the list in Cc. > > On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >> Hi, >> >> Thanks a lot for the info! >> >> I guess its easier to use Barebox, then you just also specify mxs_defconfig >> when you configure. > > You original question was about the Linux kernel not Barebox. > > Barebox includes support for the TX28 board which is based on i.MX28 > (tx28stk5_defconfig). > >> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >> I choose "arm926t" in the config? > > The kernel (and Barebox) defconfig files should include all the relevant > settings, including this one. > > baruch > >> Fr?n: Baruch Siach [baruch at tkos.co.il] >> Skickat: den 23 februari 2012 13:38 >> Till: Mikael ?sberg >> Kopia: buildroot at busybox.net >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> Hi Mikael, >> >> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >> > Does anyone have experience with compiling Linux kernels with Buildroot for >> > i.MX28 EVK? >> > I'm not sure which board name to be set for u-boot for example... >> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >> > >> > Any help or pointers would be valueable! >> >> Although it's named i.MX28, this chip is very different from i.MX27, but is >> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >> should be suitable for i.MX28 (and i.MX23). >> >> baruch > > -- > http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > =}------------------------------------------------ooO--U--Ooo------------{= > - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 13:53 ` Mikael Åsberg @ 2012-02-24 14:06 ` Yegor Yefremov 2012-02-24 14:33 ` Mikael Åsberg 0 siblings, 1 reply; 23+ messages in thread From: Yegor Yefremov @ 2012-02-24 14:06 UTC (permalink / raw) To: buildroot This is zImage with u-boot specific wrapper. uImage will be created from zImage using mkimage tool. Yegor On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > Hi, > > Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > > Regards > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 14:33 > Till: Mikael ?sberg > Kopia: Baruch Siach; buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > AFAIK it is always uImage format for both u-boot and barebox. RedBoot > has used zImage. > > Yegor > > On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >> Hey, >> >> Ok great, thx! >> >> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? >> If I use barebox, which image can I use? (I prefer an uncompressed kernel) >> >> Kind regards >> >> -------------------------------------------------------------- >> Mikael ?sberg >> PhD student (Doktorand), Computer Engineering >> School of Innovation, Design and Engineering >> M?lardalen University, V?ster?s Sweden >> Phone: +46(0)21 101502 >> Room nr: U1-145 >> Mail: mikael.asberg at mdh.se >> -------------------------------------------------------------- >> ________________________________________ >> Fr?n: Baruch Siach [baruch at tkos.co.il] >> Skickat: den 23 februari 2012 18:17 >> Till: Mikael ?sberg >> Kopia: buildroot at busybox.net >> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> Hi Mikael, >> >> Please keep the list in Cc. >> >> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >>> Hi, >>> >>> Thanks a lot for the info! >>> >>> I guess its easier to use Barebox, then you just also specify mxs_defconfig >>> when you configure. >> >> You original question was about the Linux kernel not Barebox. >> >> Barebox includes support for the TX28 board which is based on i.MX28 >> (tx28stk5_defconfig). >> >>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >>> I choose "arm926t" in the config? >> >> The kernel (and Barebox) defconfig files should include all the relevant >> settings, including this one. >> >> baruch >> >>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>> Skickat: den 23 februari 2012 13:38 >>> Till: Mikael ?sberg >>> Kopia: buildroot at busybox.net >>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>> >>> Hi Mikael, >>> >>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >>> > Does anyone have experience with compiling Linux kernels with Buildroot for >>> > i.MX28 EVK? >>> > I'm not sure which board name to be set for u-boot for example... >>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >>> > >>> > Any help or pointers would be valueable! >>> >>> Although it's named i.MX28, this chip is very different from i.MX27, but is >>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >>> should be suitable for i.MX28 (and i.MX23). >>> >>> baruch >> >> -- >> ? ? http://baruch.siach.name/blog/ ? ? ? ? ? ? ? ? ?~. .~ ? Tk Open Systems >> =}------------------------------------------------ooO--U--Ooo------------{= >> ? - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - >> _______________________________________________ >> buildroot mailing list >> buildroot at busybox.net >> http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 14:06 ` Yegor Yefremov @ 2012-02-24 14:33 ` Mikael Åsberg 2012-02-24 15:10 ` Yegor Yefremov 0 siblings, 1 reply; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 14:33 UTC (permalink / raw) To: buildroot Ahh ok. Do you know how to create an uImage which is not compressed? -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Yegor Yefremov [yegorslists at googlemail.com] Skickat: den 24 februari 2012 15:06 Till: Mikael ?sberg Kopia: buildroot at busybox.net ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK This is zImage with u-boot specific wrapper. uImage will be created from zImage using mkimage tool. Yegor On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > Hi, > > Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > > Regards > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 14:33 > Till: Mikael ?sberg > Kopia: Baruch Siach; buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > AFAIK it is always uImage format for both u-boot and barebox. RedBoot > has used zImage. > > Yegor > > On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >> Hey, >> >> Ok great, thx! >> >> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? >> If I use barebox, which image can I use? (I prefer an uncompressed kernel) >> >> Kind regards >> >> -------------------------------------------------------------- >> Mikael ?sberg >> PhD student (Doktorand), Computer Engineering >> School of Innovation, Design and Engineering >> M?lardalen University, V?ster?s Sweden >> Phone: +46(0)21 101502 >> Room nr: U1-145 >> Mail: mikael.asberg at mdh.se >> -------------------------------------------------------------- >> ________________________________________ >> Fr?n: Baruch Siach [baruch at tkos.co.il] >> Skickat: den 23 februari 2012 18:17 >> Till: Mikael ?sberg >> Kopia: buildroot at busybox.net >> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> Hi Mikael, >> >> Please keep the list in Cc. >> >> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >>> Hi, >>> >>> Thanks a lot for the info! >>> >>> I guess its easier to use Barebox, then you just also specify mxs_defconfig >>> when you configure. >> >> You original question was about the Linux kernel not Barebox. >> >> Barebox includes support for the TX28 board which is based on i.MX28 >> (tx28stk5_defconfig). >> >>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >>> I choose "arm926t" in the config? >> >> The kernel (and Barebox) defconfig files should include all the relevant >> settings, including this one. >> >> baruch >> >>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>> Skickat: den 23 februari 2012 13:38 >>> Till: Mikael ?sberg >>> Kopia: buildroot at busybox.net >>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>> >>> Hi Mikael, >>> >>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >>> > Does anyone have experience with compiling Linux kernels with Buildroot for >>> > i.MX28 EVK? >>> > I'm not sure which board name to be set for u-boot for example... >>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >>> > >>> > Any help or pointers would be valueable! >>> >>> Although it's named i.MX28, this chip is very different from i.MX27, but is >>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >>> should be suitable for i.MX28 (and i.MX23). >>> >>> baruch >> >> -- >> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems >> =}------------------------------------------------ooO--U--Ooo------------{= >> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - >> _______________________________________________ >> buildroot mailing list >> buildroot at busybox.net >> http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 14:33 ` Mikael Åsberg @ 2012-02-24 15:10 ` Yegor Yefremov 2012-02-24 15:22 ` Mikael Åsberg 0 siblings, 1 reply; 23+ messages in thread From: Yegor Yefremov @ 2012-02-24 15:10 UTC (permalink / raw) To: buildroot I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > Ahh ok. Do you know how to create an uImage which is not compressed? > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 15:06 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > This is zImage with u-boot specific wrapper. uImage will be created > from zImage using mkimage tool. > > Yegor > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >> Hi, >> >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? >> >> Regards >> >> -------------------------------------------------------------- >> Mikael ?sberg >> PhD student (Doktorand), Computer Engineering >> School of Innovation, Design and Engineering >> M?lardalen University, V?ster?s Sweden >> Phone: +46(0)21 101502 >> Room nr: U1-145 >> Mail: mikael.asberg at mdh.se >> -------------------------------------------------------------- >> ________________________________________ >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] >> Skickat: den 24 februari 2012 14:33 >> Till: Mikael ?sberg >> Kopia: Baruch Siach; buildroot at busybox.net >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot >> has used zImage. >> >> Yegor >> >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >>> Hey, >>> >>> Ok great, thx! >>> >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) >>> >>> Kind regards >>> >>> -------------------------------------------------------------- >>> Mikael ?sberg >>> PhD student (Doktorand), Computer Engineering >>> School of Innovation, Design and Engineering >>> M?lardalen University, V?ster?s Sweden >>> Phone: +46(0)21 101502 >>> Room nr: U1-145 >>> Mail: mikael.asberg at mdh.se >>> -------------------------------------------------------------- >>> ________________________________________ >>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>> Skickat: den 23 februari 2012 18:17 >>> Till: Mikael ?sberg >>> Kopia: buildroot at busybox.net >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>> >>> Hi Mikael, >>> >>> Please keep the list in Cc. >>> >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >>>> Hi, >>>> >>>> Thanks a lot for the info! >>>> >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig >>>> when you configure. >>> >>> You original question was about the Linux kernel not Barebox. >>> >>> Barebox includes support for the TX28 board which is based on i.MX28 >>> (tx28stk5_defconfig). >>> >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >>>> I choose "arm926t" in the config? >>> >>> The kernel (and Barebox) defconfig files should include all the relevant >>> settings, including this one. >>> >>> baruch >>> >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>>> Skickat: den 23 februari 2012 13:38 >>>> Till: Mikael ?sberg >>>> Kopia: buildroot at busybox.net >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>>> >>>> Hi Mikael, >>>> >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for >>>> > i.MX28 EVK? >>>> > I'm not sure which board name to be set for u-boot for example... >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >>>> > >>>> > Any help or pointers would be valueable! >>>> >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >>>> should be suitable for i.MX28 (and i.MX23). >>>> >>>> baruch >>> >>> -- >>> ? ? http://baruch.siach.name/blog/ ? ? ? ? ? ? ? ? ?~. .~ ? Tk Open Systems >>> =}------------------------------------------------ooO--U--Ooo------------{= >>> ? - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - >>> _______________________________________________ >>> buildroot mailing list >>> buildroot at busybox.net >>> http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 15:10 ` Yegor Yefremov @ 2012-02-24 15:22 ` Mikael Åsberg 2012-02-24 15:40 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-24 17:10 ` Michael S. Zick 0 siblings, 2 replies; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 15:22 UTC (permalink / raw) To: buildroot This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Yegor Yefremov [yegorslists at googlemail.com] Skickat: den 24 februari 2012 16:10 Till: Mikael ?sberg Kopia: buildroot at busybox.net ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > Ahh ok. Do you know how to create an uImage which is not compressed? > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 15:06 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > This is zImage with u-boot specific wrapper. uImage will be created > from zImage using mkimage tool. > > Yegor > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >> Hi, >> >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? >> >> Regards >> >> -------------------------------------------------------------- >> Mikael ?sberg >> PhD student (Doktorand), Computer Engineering >> School of Innovation, Design and Engineering >> M?lardalen University, V?ster?s Sweden >> Phone: +46(0)21 101502 >> Room nr: U1-145 >> Mail: mikael.asberg at mdh.se >> -------------------------------------------------------------- >> ________________________________________ >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] >> Skickat: den 24 februari 2012 14:33 >> Till: Mikael ?sberg >> Kopia: Baruch Siach; buildroot at busybox.net >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >> >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot >> has used zImage. >> >> Yegor >> >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: >>> Hey, >>> >>> Ok great, thx! >>> >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) >>> >>> Kind regards >>> >>> -------------------------------------------------------------- >>> Mikael ?sberg >>> PhD student (Doktorand), Computer Engineering >>> School of Innovation, Design and Engineering >>> M?lardalen University, V?ster?s Sweden >>> Phone: +46(0)21 101502 >>> Room nr: U1-145 >>> Mail: mikael.asberg at mdh.se >>> -------------------------------------------------------------- >>> ________________________________________ >>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>> Skickat: den 23 februari 2012 18:17 >>> Till: Mikael ?sberg >>> Kopia: buildroot at busybox.net >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>> >>> Hi Mikael, >>> >>> Please keep the list in Cc. >>> >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: >>>> Hi, >>>> >>>> Thanks a lot for the info! >>>> >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig >>>> when you configure. >>> >>> You original question was about the Linux kernel not Barebox. >>> >>> Barebox includes support for the TX28 board which is based on i.MX28 >>> (tx28stk5_defconfig). >>> >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should >>>> I choose "arm926t" in the config? >>> >>> The kernel (and Barebox) defconfig files should include all the relevant >>> settings, including this one. >>> >>> baruch >>> >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] >>>> Skickat: den 23 februari 2012 13:38 >>>> Till: Mikael ?sberg >>>> Kopia: buildroot at busybox.net >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK >>>> >>>> Hi Mikael, >>>> >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for >>>> > i.MX28 EVK? >>>> > I'm not sure which board name to be set for u-boot for example... >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? >>>> > >>>> > Any help or pointers would be valueable! >>>> >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which >>>> should be suitable for i.MX28 (and i.MX23). >>>> >>>> baruch >>> >>> -- >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems >>> =}------------------------------------------------ooO--U--Ooo------------{= >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - >>> _______________________________________________ >>> buildroot mailing list >>> buildroot at busybox.net >>> http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 15:22 ` Mikael Åsberg @ 2012-02-24 15:40 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-24 15:58 ` Mikael Åsberg 2012-02-24 17:10 ` Michael S. Zick 1 sibling, 1 reply; 23+ messages in thread From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 15:40 UTC (permalink / raw) To: buildroot On 16:22 Fri 24 Feb , Mikael ?sberg wrote: > > This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? > Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? in barebox wecan boot a raw image and we did on imx to boot in less than 400ms Best Regards, J. > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 16:10 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > Skickat: den 24 februari 2012 15:06 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > This is zImage with u-boot specific wrapper. uImage will be created > > from zImage using mkimage tool. > > > > Yegor > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >> Hi, > >> > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > >> > >> Regards > >> > >> -------------------------------------------------------------- > >> Mikael ?sberg > >> PhD student (Doktorand), Computer Engineering > >> School of Innovation, Design and Engineering > >> M?lardalen University, V?ster?s Sweden > >> Phone: +46(0)21 101502 > >> Room nr: U1-145 > >> Mail: mikael.asberg at mdh.se > >> -------------------------------------------------------------- > >> ________________________________________ > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > >> Skickat: den 24 februari 2012 14:33 > >> Till: Mikael ?sberg > >> Kopia: Baruch Siach; buildroot at busybox.net > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >> > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > >> has used zImage. > >> > >> Yegor > >> > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >>> Hey, > >>> > >>> Ok great, thx! > >>> > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > >>> > >>> Kind regards > >>> > >>> -------------------------------------------------------------- > >>> Mikael ?sberg > >>> PhD student (Doktorand), Computer Engineering > >>> School of Innovation, Design and Engineering > >>> M?lardalen University, V?ster?s Sweden > >>> Phone: +46(0)21 101502 > >>> Room nr: U1-145 > >>> Mail: mikael.asberg at mdh.se > >>> -------------------------------------------------------------- > >>> ________________________________________ > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>> Skickat: den 23 februari 2012 18:17 > >>> Till: Mikael ?sberg > >>> Kopia: buildroot at busybox.net > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>> > >>> Hi Mikael, > >>> > >>> Please keep the list in Cc. > >>> > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > >>>> Hi, > >>>> > >>>> Thanks a lot for the info! > >>>> > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > >>>> when you configure. > >>> > >>> You original question was about the Linux kernel not Barebox. > >>> > >>> Barebox includes support for the TX28 board which is based on i.MX28 > >>> (tx28stk5_defconfig). > >>> > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > >>>> I choose "arm926t" in the config? > >>> > >>> The kernel (and Barebox) defconfig files should include all the relevant > >>> settings, including this one. > >>> > >>> baruch > >>> > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>>> Skickat: den 23 februari 2012 13:38 > >>>> Till: Mikael ?sberg > >>>> Kopia: buildroot at busybox.net > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>>> > >>>> Hi Mikael, > >>>> > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > >>>> > i.MX28 EVK? > >>>> > I'm not sure which board name to be set for u-boot for example... > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > >>>> > > >>>> > Any help or pointers would be valueable! > >>>> > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > >>>> should be suitable for i.MX28 (and i.MX23). > >>>> > >>>> baruch > >>> > >>> -- > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > >>> =}------------------------------------------------ooO--U--Ooo------------{= > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > >>> _______________________________________________ > >>> buildroot mailing list > >>> buildroot at busybox.net > >>> http://lists.busybox.net/mailman/listinfo/buildroot > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 15:40 ` Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 15:58 ` Mikael Åsberg 2012-02-24 16:35 ` Jean-Christophe PLAGNIOL-VILLARD 0 siblings, 1 reply; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 15:58 UTC (permalink / raw) To: buildroot >in barebox wecan boot a raw image and we did on imx to boot in less than 400ms Aha, that sounds great! By "raw image" do you mean the vmlinux image? -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] Skickat: den 24 februari 2012 16:40 Till: Mikael ?sberg Kopia: Yegor Yefremov; buildroot at busybox.net ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK On 16:22 Fri 24 Feb , Mikael ?sberg wrote: > > This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? > Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? in barebox wecan boot a raw image and we did on imx to boot in less than 400ms Best Regards, J. > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 16:10 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > Skickat: den 24 februari 2012 15:06 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > This is zImage with u-boot specific wrapper. uImage will be created > > from zImage using mkimage tool. > > > > Yegor > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >> Hi, > >> > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > >> > >> Regards > >> > >> -------------------------------------------------------------- > >> Mikael ?sberg > >> PhD student (Doktorand), Computer Engineering > >> School of Innovation, Design and Engineering > >> M?lardalen University, V?ster?s Sweden > >> Phone: +46(0)21 101502 > >> Room nr: U1-145 > >> Mail: mikael.asberg at mdh.se > >> -------------------------------------------------------------- > >> ________________________________________ > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > >> Skickat: den 24 februari 2012 14:33 > >> Till: Mikael ?sberg > >> Kopia: Baruch Siach; buildroot at busybox.net > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >> > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > >> has used zImage. > >> > >> Yegor > >> > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >>> Hey, > >>> > >>> Ok great, thx! > >>> > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > >>> > >>> Kind regards > >>> > >>> -------------------------------------------------------------- > >>> Mikael ?sberg > >>> PhD student (Doktorand), Computer Engineering > >>> School of Innovation, Design and Engineering > >>> M?lardalen University, V?ster?s Sweden > >>> Phone: +46(0)21 101502 > >>> Room nr: U1-145 > >>> Mail: mikael.asberg at mdh.se > >>> -------------------------------------------------------------- > >>> ________________________________________ > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>> Skickat: den 23 februari 2012 18:17 > >>> Till: Mikael ?sberg > >>> Kopia: buildroot at busybox.net > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>> > >>> Hi Mikael, > >>> > >>> Please keep the list in Cc. > >>> > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > >>>> Hi, > >>>> > >>>> Thanks a lot for the info! > >>>> > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > >>>> when you configure. > >>> > >>> You original question was about the Linux kernel not Barebox. > >>> > >>> Barebox includes support for the TX28 board which is based on i.MX28 > >>> (tx28stk5_defconfig). > >>> > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > >>>> I choose "arm926t" in the config? > >>> > >>> The kernel (and Barebox) defconfig files should include all the relevant > >>> settings, including this one. > >>> > >>> baruch > >>> > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>>> Skickat: den 23 februari 2012 13:38 > >>>> Till: Mikael ?sberg > >>>> Kopia: buildroot at busybox.net > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>>> > >>>> Hi Mikael, > >>>> > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > >>>> > i.MX28 EVK? > >>>> > I'm not sure which board name to be set for u-boot for example... > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > >>>> > > >>>> > Any help or pointers would be valueable! > >>>> > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > >>>> should be suitable for i.MX28 (and i.MX23). > >>>> > >>>> baruch > >>> > >>> -- > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > >>> =}------------------------------------------------ooO--U--Ooo------------{= > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > >>> _______________________________________________ > >>> buildroot mailing list > >>> buildroot at busybox.net > >>> http://lists.busybox.net/mailman/listinfo/buildroot > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 15:58 ` Mikael Åsberg @ 2012-02-24 16:35 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-24 16:46 ` Mikael Åsberg 0 siblings, 1 reply; 23+ messages in thread From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 16:35 UTC (permalink / raw) To: buildroot On 16:58 Fri 24 Feb , Mikael ?sberg wrote: > > >in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > Aha, that sounds great! By "raw image" do you mean the vmlinux image? no excatly I'm outside I do'nt have the doc with me but IIRC, I did ~700ms with a zImage with lzo but this will depends on where do you boot from. But this will depends also on your rootfs and so on. Best Regards, J. > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] > Skickat: den 24 februari 2012 16:40 > Till: Mikael ?sberg > Kopia: Yegor Yefremov; buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > On 16:22 Fri 24 Feb , Mikael ?sberg wrote: > > > > This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? > > Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? > in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > Best Regards, > J. > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > Skickat: den 24 februari 2012 16:10 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > > > -------------------------------------------------------------- > > > Mikael ?sberg > > > PhD student (Doktorand), Computer Engineering > > > School of Innovation, Design and Engineering > > > M?lardalen University, V?ster?s Sweden > > > Phone: +46(0)21 101502 > > > Room nr: U1-145 > > > Mail: mikael.asberg at mdh.se > > > -------------------------------------------------------------- > > > ________________________________________ > > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > > Skickat: den 24 februari 2012 15:06 > > > Till: Mikael ?sberg > > > Kopia: buildroot at busybox.net > > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > > > This is zImage with u-boot specific wrapper. uImage will be created > > > from zImage using mkimage tool. > > > > > > Yegor > > > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > >> Hi, > > >> > > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > > >> > > >> Regards > > >> > > >> -------------------------------------------------------------- > > >> Mikael ?sberg > > >> PhD student (Doktorand), Computer Engineering > > >> School of Innovation, Design and Engineering > > >> M?lardalen University, V?ster?s Sweden > > >> Phone: +46(0)21 101502 > > >> Room nr: U1-145 > > >> Mail: mikael.asberg at mdh.se > > >> -------------------------------------------------------------- > > >> ________________________________________ > > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > >> Skickat: den 24 februari 2012 14:33 > > >> Till: Mikael ?sberg > > >> Kopia: Baruch Siach; buildroot at busybox.net > > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >> > > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > > >> has used zImage. > > >> > > >> Yegor > > >> > > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > >>> Hey, > > >>> > > >>> Ok great, thx! > > >>> > > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > >>> > > >>> Kind regards > > >>> > > >>> -------------------------------------------------------------- > > >>> Mikael ?sberg > > >>> PhD student (Doktorand), Computer Engineering > > >>> School of Innovation, Design and Engineering > > >>> M?lardalen University, V?ster?s Sweden > > >>> Phone: +46(0)21 101502 > > >>> Room nr: U1-145 > > >>> Mail: mikael.asberg at mdh.se > > >>> -------------------------------------------------------------- > > >>> ________________________________________ > > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > >>> Skickat: den 23 februari 2012 18:17 > > >>> Till: Mikael ?sberg > > >>> Kopia: buildroot at busybox.net > > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >>> > > >>> Hi Mikael, > > >>> > > >>> Please keep the list in Cc. > > >>> > > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > > >>>> Hi, > > >>>> > > >>>> Thanks a lot for the info! > > >>>> > > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > > >>>> when you configure. > > >>> > > >>> You original question was about the Linux kernel not Barebox. > > >>> > > >>> Barebox includes support for the TX28 board which is based on i.MX28 > > >>> (tx28stk5_defconfig). > > >>> > > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > > >>>> I choose "arm926t" in the config? > > >>> > > >>> The kernel (and Barebox) defconfig files should include all the relevant > > >>> settings, including this one. > > >>> > > >>> baruch > > >>> > > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > >>>> Skickat: den 23 februari 2012 13:38 > > >>>> Till: Mikael ?sberg > > >>>> Kopia: buildroot at busybox.net > > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >>>> > > >>>> Hi Mikael, > > >>>> > > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > > >>>> > i.MX28 EVK? > > >>>> > I'm not sure which board name to be set for u-boot for example... > > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > >>>> > > > >>>> > Any help or pointers would be valueable! > > >>>> > > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > > >>>> should be suitable for i.MX28 (and i.MX23). > > >>>> > > >>>> baruch > > >>> > > >>> -- > > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > > >>> =}------------------------------------------------ooO--U--Ooo------------{= > > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > > >>> _______________________________________________ > > >>> buildroot mailing list > > >>> buildroot at busybox.net > > >>> http://lists.busybox.net/mailman/listinfo/buildroot > > _______________________________________________ > > buildroot mailing list > > buildroot at busybox.net > > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 16:35 ` Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 16:46 ` Mikael Åsberg 2012-02-24 16:56 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-24 20:31 ` Thomas Petazzoni 0 siblings, 2 replies; 23+ messages in thread From: Mikael Åsberg @ 2012-02-24 16:46 UTC (permalink / raw) To: buildroot Maybe I can de-compress a zImage to a "raw" Image, is that what you did? -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] Skickat: den 24 februari 2012 17:35 Till: Mikael ?sberg Kopia: buildroot at busybox.net ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK On 16:58 Fri 24 Feb , Mikael ?sberg wrote: > > >in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > Aha, that sounds great! By "raw image" do you mean the vmlinux image? no excatly I'm outside I do'nt have the doc with me but IIRC, I did ~700ms with a zImage with lzo but this will depends on where do you boot from. But this will depends also on your rootfs and so on. Best Regards, J. > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] > Skickat: den 24 februari 2012 16:40 > Till: Mikael ?sberg > Kopia: Yegor Yefremov; buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > On 16:22 Fri 24 Feb , Mikael ?sberg wrote: > > > > This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? > > Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? > in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > Best Regards, > J. > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > Skickat: den 24 februari 2012 16:10 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > > > -------------------------------------------------------------- > > > Mikael ?sberg > > > PhD student (Doktorand), Computer Engineering > > > School of Innovation, Design and Engineering > > > M?lardalen University, V?ster?s Sweden > > > Phone: +46(0)21 101502 > > > Room nr: U1-145 > > > Mail: mikael.asberg at mdh.se > > > -------------------------------------------------------------- > > > ________________________________________ > > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > > Skickat: den 24 februari 2012 15:06 > > > Till: Mikael ?sberg > > > Kopia: buildroot at busybox.net > > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > > > This is zImage with u-boot specific wrapper. uImage will be created > > > from zImage using mkimage tool. > > > > > > Yegor > > > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > >> Hi, > > >> > > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > > >> > > >> Regards > > >> > > >> -------------------------------------------------------------- > > >> Mikael ?sberg > > >> PhD student (Doktorand), Computer Engineering > > >> School of Innovation, Design and Engineering > > >> M?lardalen University, V?ster?s Sweden > > >> Phone: +46(0)21 101502 > > >> Room nr: U1-145 > > >> Mail: mikael.asberg at mdh.se > > >> -------------------------------------------------------------- > > >> ________________________________________ > > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > >> Skickat: den 24 februari 2012 14:33 > > >> Till: Mikael ?sberg > > >> Kopia: Baruch Siach; buildroot at busybox.net > > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >> > > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > > >> has used zImage. > > >> > > >> Yegor > > >> > > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > >>> Hey, > > >>> > > >>> Ok great, thx! > > >>> > > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > >>> > > >>> Kind regards > > >>> > > >>> -------------------------------------------------------------- > > >>> Mikael ?sberg > > >>> PhD student (Doktorand), Computer Engineering > > >>> School of Innovation, Design and Engineering > > >>> M?lardalen University, V?ster?s Sweden > > >>> Phone: +46(0)21 101502 > > >>> Room nr: U1-145 > > >>> Mail: mikael.asberg at mdh.se > > >>> -------------------------------------------------------------- > > >>> ________________________________________ > > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > >>> Skickat: den 23 februari 2012 18:17 > > >>> Till: Mikael ?sberg > > >>> Kopia: buildroot at busybox.net > > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >>> > > >>> Hi Mikael, > > >>> > > >>> Please keep the list in Cc. > > >>> > > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > > >>>> Hi, > > >>>> > > >>>> Thanks a lot for the info! > > >>>> > > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > > >>>> when you configure. > > >>> > > >>> You original question was about the Linux kernel not Barebox. > > >>> > > >>> Barebox includes support for the TX28 board which is based on i.MX28 > > >>> (tx28stk5_defconfig). > > >>> > > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > > >>>> I choose "arm926t" in the config? > > >>> > > >>> The kernel (and Barebox) defconfig files should include all the relevant > > >>> settings, including this one. > > >>> > > >>> baruch > > >>> > > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > >>>> Skickat: den 23 februari 2012 13:38 > > >>>> Till: Mikael ?sberg > > >>>> Kopia: buildroot at busybox.net > > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > >>>> > > >>>> Hi Mikael, > > >>>> > > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > > >>>> > i.MX28 EVK? > > >>>> > I'm not sure which board name to be set for u-boot for example... > > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > >>>> > > > >>>> > Any help or pointers would be valueable! > > >>>> > > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > > >>>> should be suitable for i.MX28 (and i.MX23). > > >>>> > > >>>> baruch > > >>> > > >>> -- > > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > > >>> =}------------------------------------------------ooO--U--Ooo------------{= > > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > > >>> _______________________________________________ > > >>> buildroot mailing list > > >>> buildroot at busybox.net > > >>> http://lists.busybox.net/mailman/listinfo/buildroot > > _______________________________________________ > > buildroot mailing list > > buildroot at busybox.net > > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 16:46 ` Mikael Åsberg @ 2012-02-24 16:56 ` Jean-Christophe PLAGNIOL-VILLARD 2012-02-24 20:31 ` Thomas Petazzoni 1 sibling, 0 replies; 23+ messages in thread From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 16:56 UTC (permalink / raw) To: buildroot On 17:46 Fri 24 Feb , Mikael ?sberg wrote: > > Maybe I can de-compress a zImage to a "raw" Image, is that what you did? take a look on bootu from barebox or just try to use a lzo-zImage first Best Regards, J. > > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] > Skickat: den 24 februari 2012 17:35 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > On 16:58 Fri 24 Feb , Mikael ?sberg wrote: > > > > >in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > > > Aha, that sounds great! By "raw image" do you mean the vmlinux image? > no excatly > > I'm outside I do'nt have the doc with me but IIRC, I did ~700ms with a zImage > with lzo but this will depends on where do you boot from. > > But this will depends also on your rootfs and so on. > > Best Regards, > J. > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Jean-Christophe PLAGNIOL-VILLARD [plagnioj at jcrosoft.com] > > Skickat: den 24 februari 2012 16:40 > > Till: Mikael ?sberg > > Kopia: Yegor Yefremov; buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > On 16:22 Fri 24 Feb , Mikael ?sberg wrote: > > > > > > This application is for the automotive industry. In a car, the embedded system must be able to boot within maximum ~1 second. I was thinking, can I use mkimage to convert vmlinux to an uImage (uncompressed version)? > > > Or, is there a setting in Buildroot or Barebox where I can specify the builder to not compress the uImage? > > in barebox wecan boot a raw image and we did on imx to boot in less than 400ms > > > > Best Regards, > > J. > > > > > > -------------------------------------------------------------- > > > Mikael ?sberg > > > PhD student (Doktorand), Computer Engineering > > > School of Innovation, Design and Engineering > > > M?lardalen University, V?ster?s Sweden > > > Phone: +46(0)21 101502 > > > Room nr: U1-145 > > > Mail: mikael.asberg at mdh.se > > > -------------------------------------------------------------- > > > ________________________________________ > > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > > Skickat: den 24 februari 2012 16:10 > > > Till: Mikael ?sberg > > > Kopia: buildroot at busybox.net > > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > > > > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > > > > > -------------------------------------------------------------- > > > > Mikael ?sberg > > > > PhD student (Doktorand), Computer Engineering > > > > School of Innovation, Design and Engineering > > > > M?lardalen University, V?ster?s Sweden > > > > Phone: +46(0)21 101502 > > > > Room nr: U1-145 > > > > Mail: mikael.asberg at mdh.se > > > > -------------------------------------------------------------- > > > > ________________________________________ > > > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > > > Skickat: den 24 februari 2012 15:06 > > > > Till: Mikael ?sberg > > > > Kopia: buildroot at busybox.net > > > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > > > > > This is zImage with u-boot specific wrapper. uImage will be created > > > > from zImage using mkimage tool. > > > > > > > > Yegor > > > > > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > >> Hi, > > > >> > > > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > > > >> > > > >> Regards > > > >> > > > >> -------------------------------------------------------------- > > > >> Mikael ?sberg > > > >> PhD student (Doktorand), Computer Engineering > > > >> School of Innovation, Design and Engineering > > > >> M?lardalen University, V?ster?s Sweden > > > >> Phone: +46(0)21 101502 > > > >> Room nr: U1-145 > > > >> Mail: mikael.asberg at mdh.se > > > >> -------------------------------------------------------------- > > > >> ________________________________________ > > > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > > >> Skickat: den 24 februari 2012 14:33 > > > >> Till: Mikael ?sberg > > > >> Kopia: Baruch Siach; buildroot at busybox.net > > > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > >> > > > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > > > >> has used zImage. > > > >> > > > >> Yegor > > > >> > > > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > >>> Hey, > > > >>> > > > >>> Ok great, thx! > > > >>> > > > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > > > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > > >>> > > > >>> Kind regards > > > >>> > > > >>> -------------------------------------------------------------- > > > >>> Mikael ?sberg > > > >>> PhD student (Doktorand), Computer Engineering > > > >>> School of Innovation, Design and Engineering > > > >>> M?lardalen University, V?ster?s Sweden > > > >>> Phone: +46(0)21 101502 > > > >>> Room nr: U1-145 > > > >>> Mail: mikael.asberg at mdh.se > > > >>> -------------------------------------------------------------- > > > >>> ________________________________________ > > > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > > >>> Skickat: den 23 februari 2012 18:17 > > > >>> Till: Mikael ?sberg > > > >>> Kopia: buildroot at busybox.net > > > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > >>> > > > >>> Hi Mikael, > > > >>> > > > >>> Please keep the list in Cc. > > > >>> > > > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > > > >>>> Hi, > > > >>>> > > > >>>> Thanks a lot for the info! > > > >>>> > > > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > > > >>>> when you configure. > > > >>> > > > >>> You original question was about the Linux kernel not Barebox. > > > >>> > > > >>> Barebox includes support for the TX28 board which is based on i.MX28 > > > >>> (tx28stk5_defconfig). > > > >>> > > > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > > > >>>> I choose "arm926t" in the config? > > > >>> > > > >>> The kernel (and Barebox) defconfig files should include all the relevant > > > >>> settings, including this one. > > > >>> > > > >>> baruch > > > >>> > > > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > > > >>>> Skickat: den 23 februari 2012 13:38 > > > >>>> Till: Mikael ?sberg > > > >>>> Kopia: buildroot at busybox.net > > > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > >>>> > > > >>>> Hi Mikael, > > > >>>> > > > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > > > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > > > >>>> > i.MX28 EVK? > > > >>>> > I'm not sure which board name to be set for u-boot for example... > > > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > > > >>>> > > > > >>>> > Any help or pointers would be valueable! > > > >>>> > > > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > > > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > > > >>>> should be suitable for i.MX28 (and i.MX23). > > > >>>> > > > >>>> baruch > > > >>> > > > >>> -- > > > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > > > >>> =}------------------------------------------------ooO--U--Ooo------------{= > > > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > > > >>> _______________________________________________ > > > >>> buildroot mailing list > > > >>> buildroot at busybox.net > > > >>> http://lists.busybox.net/mailman/listinfo/buildroot > > > _______________________________________________ > > > buildroot mailing list > > > buildroot at busybox.net > > > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 16:46 ` Mikael Åsberg 2012-02-24 16:56 ` Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 20:31 ` Thomas Petazzoni 2012-02-25 8:39 ` Mikael Åsberg 1 sibling, 1 reply; 23+ messages in thread From: Thomas Petazzoni @ 2012-02-24 20:31 UTC (permalink / raw) To: buildroot Le Fri, 24 Feb 2012 17:46:55 +0100, Mikael ?sberg <mikael.asberg@mdh.se> a ?crit : > Maybe I can de-compress a zImage to a "raw" Image, is that what you > did? On ARM, arch/arm/boot/Image is the raw uncompressed version of the kernel. You can try to load it and jump to the beginning of it. You can turn it into an uImage by calling mkimage on it. However, as suggested by Jean-Christophe, you should really try LZO. It is a very good trade-off between kernel size and decompression time. Remember that using an uncompressed kernel means that you have a *lot* more data to load from flash to RAM, which allows take time. Usually LZO is a great compromise here. Best regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 20:31 ` Thomas Petazzoni @ 2012-02-25 8:39 ` Mikael Åsberg 2012-02-26 9:34 ` Baruch Siach 0 siblings, 1 reply; 23+ messages in thread From: Mikael Åsberg @ 2012-02-25 8:39 UTC (permalink / raw) To: buildroot I understand that LZO has been mainlined in Linux. How do I compress the kernel with LZO instead of the regular compression algorithm (LZMA/BZIP2)? -------------------------------------------------------------- Mikael ?sberg PhD student (Doktorand), Computer Engineering School of Innovation, Design and Engineering M?lardalen University, V?ster?s Sweden Phone: +46(0)21 101502 Room nr: U1-145 Mail: mikael.asberg at mdh.se -------------------------------------------------------------- ________________________________________ Fr?n: Thomas Petazzoni [thomas.petazzoni at free-electrons.com] Skickat: den 24 februari 2012 21:31 Till: Mikael ?sberg Kopia: Jean-Christophe PLAGNIOL-VILLARD; buildroot at busybox.net ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK Le Fri, 24 Feb 2012 17:46:55 +0100, Mikael ?sberg <mikael.asberg@mdh.se> a ?crit : > Maybe I can de-compress a zImage to a "raw" Image, is that what you > did? On ARM, arch/arm/boot/Image is the raw uncompressed version of the kernel. You can try to load it and jump to the beginning of it. You can turn it into an uImage by calling mkimage on it. However, as suggested by Jean-Christophe, you should really try LZO. It is a very good trade-off between kernel size and decompression time. Remember that using an uncompressed kernel means that you have a *lot* more data to load from flash to RAM, which allows take time. Usually LZO is a great compromise here. Best regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-25 8:39 ` Mikael Åsberg @ 2012-02-26 9:34 ` Baruch Siach 0 siblings, 0 replies; 23+ messages in thread From: Baruch Siach @ 2012-02-26 9:34 UTC (permalink / raw) To: buildroot Hi Mikael, On Sat, Feb 25, 2012 at 09:39:12AM +0100, Mikael ?sberg wrote: > I understand that LZO has been mainlined in Linux. ARM supports LZO kernel compression since version 2.6.33. > How do I compress the kernel with LZO instead of the regular compression > algorithm (LZMA/BZIP2)? Select "Kernel compression mode" under "General setup" in the kernel configuration. baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 15:22 ` Mikael Åsberg 2012-02-24 15:40 ` Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 17:10 ` Michael S. Zick 2012-02-24 20:10 ` Thomas Petazzoni 1 sibling, 1 reply; 23+ messages in thread From: Michael S. Zick @ 2012-02-24 17:10 UTC (permalink / raw) To: buildroot On Fri February 24 2012, Mikael ?sberg wrote: > > This application is for the automotive industry. In a car, the embedded system > must be able to boot within maximum ~1 second. I was thinking, can I use mkimage > to convert vmlinux to an uImage (uncompressed version)? > Or, is there a setting in Buildroot or Barebox where I can specify the builder > to not compress the uImage? > A better solution - Put your device to sleep (suspend to ram). It can __resume__ in less than 1 sec. It only needs to __re-boot__ after loss of battery power (rare). Mike > -------------------------------------------------------------- > Mikael ?sberg > PhD student (Doktorand), Computer Engineering > School of Innovation, Design and Engineering > M?lardalen University, V?ster?s Sweden > Phone: +46(0)21 101502 > Room nr: U1-145 > Mail: mikael.asberg at mdh.se > -------------------------------------------------------------- > ________________________________________ > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > Skickat: den 24 februari 2012 16:10 > Till: Mikael ?sberg > Kopia: buildroot at busybox.net > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > I don't know, if it is possible to pack vmlinuz in uImage. Why do you need this? > > On Fri, Feb 24, 2012 at 3:33 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > > > Ahh ok. Do you know how to create an uImage which is not compressed? > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > > Skickat: den 24 februari 2012 15:06 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > This is zImage with u-boot specific wrapper. uImage will be created > > from zImage using mkimage tool. > > > > Yegor > > > > On Fri, Feb 24, 2012 at 2:53 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >> Hi, > >> > >> Ok, but is uImage a compressed file like zImage? If yes, can I de-compress it somehow? > >> > >> Regards > >> > >> -------------------------------------------------------------- > >> Mikael ?sberg > >> PhD student (Doktorand), Computer Engineering > >> School of Innovation, Design and Engineering > >> M?lardalen University, V?ster?s Sweden > >> Phone: +46(0)21 101502 > >> Room nr: U1-145 > >> Mail: mikael.asberg at mdh.se > >> -------------------------------------------------------------- > >> ________________________________________ > >> Fr?n: Yegor Yefremov [yegorslists at googlemail.com] > >> Skickat: den 24 februari 2012 14:33 > >> Till: Mikael ?sberg > >> Kopia: Baruch Siach; buildroot at busybox.net > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >> > >> AFAIK it is always uImage format for both u-boot and barebox. RedBoot > >> has used zImage. > >> > >> Yegor > >> > >> On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > >>> Hey, > >>> > >>> Ok great, thx! > >>> > >>> One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > >>> If I use barebox, which image can I use? (I prefer an uncompressed kernel) > >>> > >>> Kind regards > >>> > >>> -------------------------------------------------------------- > >>> Mikael ?sberg > >>> PhD student (Doktorand), Computer Engineering > >>> School of Innovation, Design and Engineering > >>> M?lardalen University, V?ster?s Sweden > >>> Phone: +46(0)21 101502 > >>> Room nr: U1-145 > >>> Mail: mikael.asberg at mdh.se > >>> -------------------------------------------------------------- > >>> ________________________________________ > >>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>> Skickat: den 23 februari 2012 18:17 > >>> Till: Mikael ?sberg > >>> Kopia: buildroot at busybox.net > >>> ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>> > >>> Hi Mikael, > >>> > >>> Please keep the list in Cc. > >>> > >>> On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > >>>> Hi, > >>>> > >>>> Thanks a lot for the info! > >>>> > >>>> I guess its easier to use Barebox, then you just also specify mxs_defconfig > >>>> when you configure. > >>> > >>> You original question was about the Linux kernel not Barebox. > >>> > >>> Barebox includes support for the TX28 board which is based on i.MX28 > >>> (tx28stk5_defconfig). > >>> > >>>> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > >>>> I choose "arm926t" in the config? > >>> > >>> The kernel (and Barebox) defconfig files should include all the relevant > >>> settings, including this one. > >>> > >>> baruch > >>> > >>>> Fr?n: Baruch Siach [baruch at tkos.co.il] > >>>> Skickat: den 23 februari 2012 13:38 > >>>> Till: Mikael ?sberg > >>>> Kopia: buildroot at busybox.net > >>>> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >>>> > >>>> Hi Mikael, > >>>> > >>>> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > >>>> > Does anyone have experience with compiling Linux kernels with Buildroot for > >>>> > i.MX28 EVK? > >>>> > I'm not sure which board name to be set for u-boot for example... > >>>> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > >>>> > > >>>> > Any help or pointers would be valueable! > >>>> > >>>> Although it's named i.MX28, this chip is very different from i.MX27, but is > >>>> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > >>>> should be suitable for i.MX28 (and i.MX23). > >>>> > >>>> baruch > >>> > >>> -- > >>> http://baruch.siach.name/blog/ ~. .~ Tk Open Systems > >>> =}------------------------------------------------ooO--U--Ooo------------{= > >>> - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > >>> _______________________________________________ > >>> buildroot mailing list > >>> buildroot at busybox.net > >>> http://lists.busybox.net/mailman/listinfo/buildroot > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot > > > ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 17:10 ` Michael S. Zick @ 2012-02-24 20:10 ` Thomas Petazzoni 2012-02-25 14:35 ` Michael S. Zick 0 siblings, 1 reply; 23+ messages in thread From: Thomas Petazzoni @ 2012-02-24 20:10 UTC (permalink / raw) To: buildroot Le Fri, 24 Feb 2012 11:10:04 -0600, "Michael S. Zick" <minimod@morethan.org> a ?crit : > A better solution - > Put your device to sleep (suspend to ram). > It can __resume__ in less than 1 sec. > It only needs to __re-boot__ after loss of battery power (rare). While this is a great solution, it may not apply to the automotive industry: you may want to reduce the power consumption of the device down to 0, so that the car battery doesn't empty itself if the car is unused during a long period of time. I guess in terms of boot time there is no one-size-fits-all solution, the solution very much depends on the environment and constraints (hardware, allowed power consumption, etc.). Best regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 20:10 ` Thomas Petazzoni @ 2012-02-25 14:35 ` Michael S. Zick 0 siblings, 0 replies; 23+ messages in thread From: Michael S. Zick @ 2012-02-25 14:35 UTC (permalink / raw) To: buildroot On Fri February 24 2012, Thomas Petazzoni wrote: > Le Fri, 24 Feb 2012 11:10:04 -0600, > "Michael S. Zick" <minimod@morethan.org> a ?crit : > > > A better solution - > > Put your device to sleep (suspend to ram). > > It can __resume__ in less than 1 sec. > > It only needs to __re-boot__ after loss of battery power (rare). > > While this is a great solution, it may not apply to the automotive > industry: you may want to reduce the power consumption of the device > down to 0, so that the car battery doesn't empty itself if the car is > unused during a long period of time. > The O.P. did not state they where using a vacuum tube computer. The keep-alive current of a modern, silicon, SoC based system is far less than the self-discharge rate of a lead-acid battery. Its even less than the capacity change with temperature - presuming the battery was charged while warm and is now at environment temperature. (And the charging warmed the battery, even if not exposed to heat sources.) So I think you are safe to let the vehicle sit - the battery will die of old age before an i.MX28 system in deep sleep will run it down. Mike > I guess in terms of boot time > there is no one-size-fits-all solution, the solution very much depends > on the environment and constraints (hardware, allowed power > consumption, etc.). > > Best regards, > > Thomas ^ permalink raw reply [flat|nested] 23+ messages in thread
* [Buildroot] Compile Linux with Buildroot for i.MX28 EVK 2012-02-24 13:33 ` Yegor Yefremov 2012-02-24 13:53 ` Mikael Åsberg @ 2012-02-24 15:38 ` Jean-Christophe PLAGNIOL-VILLARD 1 sibling, 0 replies; 23+ messages in thread From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-02-24 15:38 UTC (permalink / raw) To: buildroot On 14:33 Fri 24 Feb , Yegor Yefremov wrote: > AFAIK it is always uImage format for both u-boot and barebox. RedBoot > has used zImage. barebox can load zimage or uImage Best Regrds, J. > > Yegor > > On Fri, Feb 24, 2012 at 2:19 PM, Mikael ?sberg <mikael.asberg@mdh.se> wrote: > > Hey, > > > > Ok great, thx! > > > > One last thing, depending on which bootloader that is used, i.e., u-boot, barebox etc., does it matter which kernel image that is used for the boot (zImage, uImage, vmlinux)? > > If I use barebox, which image can I use? (I prefer an uncompressed kernel) > > > > Kind regards > > > > -------------------------------------------------------------- > > Mikael ?sberg > > PhD student (Doktorand), Computer Engineering > > School of Innovation, Design and Engineering > > M?lardalen University, V?ster?s Sweden > > Phone: +46(0)21 101502 > > Room nr: U1-145 > > Mail: mikael.asberg at mdh.se > > -------------------------------------------------------------- > > ________________________________________ > > Fr?n: Baruch Siach [baruch at tkos.co.il] > > Skickat: den 23 februari 2012 18:17 > > Till: Mikael ?sberg > > Kopia: buildroot at busybox.net > > ?mne: Re: SV: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > > > > Hi Mikael, > > > > Please keep the list in Cc. > > > > On Thu, Feb 23, 2012 at 02:35:37PM +0100, Mikael ?sberg wrote: > >> Hi, > >> > >> Thanks a lot for the info! > >> > >> I guess its easier to use Barebox, then you just also specify mxs_defconfig > >> when you configure. > > > > You original question was about the Linux kernel not Barebox. > > > > Barebox includes support for the TX28 board which is based on i.MX28 > > (tx28stk5_defconfig). > > > >> One more thing, since i.MX28 uses the "454MHz ARM926EJ-S" processor, should > >> I choose "arm926t" in the config? > > > > The kernel (and Barebox) defconfig files should include all the relevant > > settings, including this one. > > > > baruch > > > >> Fr?n: Baruch Siach [baruch at tkos.co.il] > >> Skickat: den 23 februari 2012 13:38 > >> Till: Mikael ?sberg > >> Kopia: buildroot at busybox.net > >> ?mne: Re: [Buildroot] Compile Linux with Buildroot for i.MX28 EVK > >> > >> Hi Mikael, > >> > >> On Thu, Feb 23, 2012 at 12:22:09PM +0100, Mikael ?sberg wrote: > >> > Does anyone have experience with compiling Linux kernels with Buildroot for > >> > i.MX28 EVK? > >> > I'm not sure which board name to be set for u-boot for example... > >> > Also, which defconfig should be used, imx27ads_defconfig or versatile_defconfig perhaps? > >> > > >> > Any help or pointers would be valueable! > >> > >> Although it's named i.MX28, this chip is very different from i.MX27, but is > >> similar to i.MX23. Latest kernels (since v3.0) contain mxs_defconfig, which > >> should be suitable for i.MX28 (and i.MX23). > >> > >> baruch > > > > -- > > ? ? http://baruch.siach.name/blog/ ? ? ? ? ? ? ? ? ?~. .~ ? Tk Open Systems > > =}------------------------------------------------ooO--U--Ooo------------{= > > ? - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > > _______________________________________________ > > buildroot mailing list > > buildroot at busybox.net > > http://lists.busybox.net/mailman/listinfo/buildroot > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot ^ permalink raw reply [flat|nested] 23+ messages in thread
end of thread, other threads:[~2012-02-26 9:34 UTC | newest]
Thread overview: 23+ messages (download: mbox.gz follow: Atom feed
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2012-02-23 11:22 [Buildroot] Compile Linux with Buildroot for i.MX28 EVK Mikael Åsberg
2012-02-23 12:11 ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-23 12:38 ` Baruch Siach
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2012-02-23 17:17 ` Baruch Siach
2012-02-24 13:19 ` Mikael Åsberg
2012-02-24 13:33 ` Yegor Yefremov
2012-02-24 13:53 ` Mikael Åsberg
2012-02-24 14:06 ` Yegor Yefremov
2012-02-24 14:33 ` Mikael Åsberg
2012-02-24 15:10 ` Yegor Yefremov
2012-02-24 15:22 ` Mikael Åsberg
2012-02-24 15:40 ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-24 15:58 ` Mikael Åsberg
2012-02-24 16:35 ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-24 16:46 ` Mikael Åsberg
2012-02-24 16:56 ` Jean-Christophe PLAGNIOL-VILLARD
2012-02-24 20:31 ` Thomas Petazzoni
2012-02-25 8:39 ` Mikael Åsberg
2012-02-26 9:34 ` Baruch Siach
2012-02-24 17:10 ` Michael S. Zick
2012-02-24 20:10 ` Thomas Petazzoni
2012-02-25 14:35 ` Michael S. Zick
2012-02-24 15:38 ` Jean-Christophe PLAGNIOL-VILLARD
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