Thank you,Ashwin Bihari Actually,I just want to use sd for my rootfs ,so scene 2) ,3) and 4) are my choices In scene 2),My logs are posted as above
And I also try scene 4), but when booting,nothing can be seen in the ttySAC0 console Thanks -Weber On 5月19日, 下午8时02分, Ashwin Bihari <abih...@gmail.com> wrote: > Here are the possible scneario's, assuming you have NAND and SD card. > > 1) Bootloaders, Kernel and RFS on NAND, so you boot entirely without an SD > card > 2) Bootloaders, Kernel on NAND, RFS on SD card > 3) Bootloaders on NAND, Kernel on VFAT partition and RFS on EXT3 > partiion of SD card > 4) Bootloaders, Kernel on VFAT partition and RFS on EXT3 partition of SD card > > So without knowing what you have access to, it's hard to to tell us > which way for you to go. If you have everything you need except the > RFS on NAND, then the SD cards makes perfect sense.. > > Regards > -- Ashwin > > > > On Tue, May 18, 2010 at 9:38 PM, Weber <qvbs...@gmail.com> wrote: > > Thank you for your reply > > > I have try a partition ext3 and vfat ,but when I open the > > console ,noting happen. > > > Actually, I just want to use sd card as my roofs,could this work ? > > > Thanks > > -Weber > > On May 18, 9:03 pm, Akash Choudhari <akas...@gmail.com> wrote: > >> Are you partitioning your SD card? You should be using ext3 partition > >> for Android FS and VFAT for u-Boot/Bootloader > > >> - Akash > > >> On Tue, May 18, 2010 at 6:55 AM, Deva R <r.deva...@gmail.com> wrote: > > >> > There are no mmc paritions listed when u boot., only nand paritions are > >> > available.., > >> > can u share complete bootlog? > > >> >>setenv bootargs root=/dev/block/mmcblk0p1 rw init=/init > >> >>console=ttySAC0,115200 > > >> >>1f00 256 mtdblock0 (driver?) > >> >>1f01 15104 mtdblock1 (driver?) > >> >>1f02 1033216 mtdblock2 (driver?) > > >> > On Tue, May 18, 2010 at 12:29 PM, Weber <qvbs...@gmail.com> wrote: > > >> >> Hi > >> >> I want to boot my android system from SD card > >> >> and I follow the post, > > >> >>http://groups.google.com/group/android-porting/browse_thread/thread/c... > > >> >> In the post abhishek srivastav said : > > >> >> Please make sure that you follow following steps for booting Android > >> >> from SD > >> >> card. > > >> >> -Your bootargs<boot parameters in bootloader> should be set to SD > >> >> card. <<<< > >> >> -For booting Android from SD card your SD card should be formatted in > >> >> ext2 > >> >> format. > >> >> -Copy the following files/directory from *out/target/product/generic* > >> >> * > >> >> * > >> >> *cp -a root/* <SDCARD> > >> >> *cp -a data/* <SDCARD> > >> >> cp -a system/* <SDCARD> > > >> >> I just want to mount sd card as my rootfs ,so I follow the steps ,but > >> >> it can not mount ,complaint that : > >> >> VFS: Cannot open root device "block/mmcblk0p1" or unknown-block(2,0) > >> >> Please append a correct "root=" boot option; here are the available > >> >> partitions: > >> >> 1f00 256 mtdblock0 (driver?) > >> >> 1f01 15104 mtdblock1 (driver?) > >> >> 1f02 1033216 mtdblock2 (driver?) > >> >> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- > >> >> block(2,0) > >> >> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- > >> >> block(2,0) > > >> >> BTW,I use uboot ,and my boot args are: > >> >> setenv bootargs root=/dev/block/mmcblk0p1 rw init=/init > >> >> console=ttySAC0,115200 > > >> >> Could anyone tell me how to do ? > > >> >> Thanks > >> >> ---Weber > > >> >> -- > >> >> unsubscribe: android-porting+unsubscr...@googlegroups.com > >> >> website:http://groups.google.com/group/android-porting > > >> > -- > >> > unsubscribe: android-porting+unsubscr...@googlegroups.com > >> > website:http://groups.google.com/group/android-porting > > >> -- > >> unsubscribe: android-porting+unsubscr...@googlegroups.com > >> website:http://groups.google.com/group/android-porting > > > -- > > unsubscribe: android-porting+unsubscr...@googlegroups.com > > website:http://groups.google.com/group/android-porting > > -- > unsubscribe: android-porting+unsubscr...@googlegroups.com > website:http://groups.google.com/group/android-porting -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
