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how to chang the default value of uboot

Hi Forum members,

I recently got a MarSBoard iMX6 Dual core board I am trying to set the board as following:

1/ Try to boot from SD setting Boot Mode SW 1= OFF and SW2=ON

2/ On SD  micro card; using MAINLINE DENX u-boot compiled, created u-boot.img  and rest of the files

3/ On SD from MAINLINE kernel.scm.git repository downloaded kernel and built uImag and zImage

4/ Try to boot iMX6 board from the SD but NO avail board seems to be not booting from the SD.

5/ I have two partitions on my micro SD card

       1) BOOT with W95 32 bit

       2) rootfs  with 83 Linux Ext4 partition.

I wonder someone can guild or put me in the right direction to get this board up and running?

Thank you,

Hello engineers：

         The OpenCL 1.1 and OpenGL 2.0 will be used for image-processing (such as sobel,

canny, gaussion-filter ) on SabreLite board.

According to the description in the 13.1.1.6 Menu Configuration Options in the paper

(i.MX 6 Linux Reference Manual)（document number： IMX6LXRM ，Version：Rev

L3.10.53_1.1.0-ga, 01/2015）, I can't find the configuration about GPU driver.

     Could you tell me how to configure relative GPU-related options in the timeSys's

BSP and SabreLite.

     Best Wishes.

I tried booting the sabre_lite board Linux image and it gets booted and the image loads but finally the following comes. Could somebody tell what’s wrong with the same or how should I fix it?

VFS: Cannot open root device "(null)" or unknown-block(0,0)

Please append a correct "root=" boot option; here are the available partitions:

1f00            1024 mtdblock0  (driver?)

1f01            1024 mtdblock1  (driver?)

b300         3872256 mmcblk0  driver: mmcblk

  b301         3868160 mmcblk0p1 00000000-0000-0000-0000-000000000000

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

[<8004a828>] (unwind_backtrace+0x0/0xf8) from [<8050b41c>] (panic+0x74/0x18c)

[<8050b41c>] (panic+0x74/0x18c) from [<80008ce8>] (mount_block_root+0x170/0x224)

[<80008ce8>] (mount_block_root+0x170/0x224) from [<80008e84>] (mount_root+0xe8/0x108)

[<80008e84>] (mount_root+0xe8/0x108) from [<80008fc4>] (prepare_namespace+0x120/0x178)

[<80008fc4>] (prepare_namespace+0x120/0x178) from [<800089b0>] (kernel_init+0x108/0x13c)

[<800089b0>] (kernel_init+0x108/0x13c) from [<80044a24>] (kernel_thread_exit+0x0/0x8)

CPU0: stopping

[<8004a828>] (unwind_backtrace+0x0/0xf8) from [<8003e324>] (do_IPI+0x150/0x17c)

[<8003e324>] (do_IPI+0x150/0x17c) from [<8004398c>] (__irq_svc+0x4c/0xe8)

Exception stack(0x80a91f68 to 0x80a91fb0)

1f60:                   80afe100 20000093 00000001 00000000 80a90000 80af6ca4

1f80: 80513810 80aa4e7c 1000406a 412fc09a 00000000 00000000 00000000 80a91fb0

1fa0: 800525a8 80044a84 40000013 ffffffff

[<8004398c>] (__irq_svc+0x4c/0xe8) from [<80044a84>] (default_idle+0x24/0x28)

[<80044a84>] (default_idle+0x24/0x28) from [<80044c7c>] (cpu_idle+0xbc/0xfc)

[<80044c7c>] (cpu_idle+0xbc/0xfc) from [<80008868>] (start_kernel+0x248/0x288)

[<80008868>] (start_kernel+0x248/0x288) from [<10008040>] (0x10008040)

CPU1: stopping

[<8004a828>] (unwind_backtrace+0x0/0xf8) from [<8003e324>] (do_IPI+0x150/0x17c)

[<8003e324>] (do_IPI+0x150/0x17c) from [<8004398c>] (__irq_svc+0x4c/0xe8)

Exception stack(0xbffadf90 to 0xbffadfd8)

df80:                                     80afe100 60000193 00000001 00000000

timer 3: cpufreq_frequency_table_target error

dfa0: bffac000 80af6ca4 80513810 80aa4e7c 1000406a 412fc09a 00000000 00000000

dfc0: 00000000 bffadfd8 800525a8 80044a84 40000113 ffffffff

[<8004398c>] (__irq_svc+0x4c/0xe8) from [<80044a84>] (default_idle+0x24/0x28)

[<80044a84>] (default_idle+0x24/0x28) from [<80044c7c>] (cpu_idle+0xbc/0xfc)

[<80044c7c>] (cpu_idle+0xbc/0xfc) from [<10508254>] (0x10508254)

CPU3: stopping

[<8004a828>] (unwind_backtrace+0x0/0xf8) from [<8003e324>] (do_IPI+0x150/0x17c)

[<8003e324>] (do_IPI+0x150/0x17c) from [<8004398c>] (__irq_svc+0x4c/0xe8)

Exception stack(0xbff01f90 to 0xbff01fd8)

1f80:                                     80afe100 60000093 00000001 00000000

1fa0: bff00000 80af6ca4 80513810 80aa4e7c 1000406a 412fc09a 00000000 00000000

1fc0: 00000000 bff01fd8 800525a8 80044a84 40000013 ffffffff

[<8004398c>] (__irq_svc+0x4c/0xe8) from [<80044a84>] (default_idle+0x24/0x28)

[<80044a84>] (default_idle+0x24/0x28) from [<80044c7c>] (cpu_idle+0xbc/0xfc)

[<80044c7c>] (cpu_idle+0xbc/0xfc) from [<10508254>] (0x10508254)

Hello. Where i can find correct Android Image?

Now Android image size 8.7 mb, I think this impossible - correct android image with size less 10 mb...

Patch for LCD8000-97C for sabre light is broken:

Binary files linux-3.0.old/drivers/input/touchscreen/generic_ts_rel/lib/chip.x and linux-3.0.new/drivers/input/touchscreen/generic_ts_rel/lib/chip.x differ

Binary files linux-3.0.old/drivers/input/touchscreen/generic_ts_rel/lib/ct360.x and linux-3.0.new/drivers/input/touchscreen/generic_ts_rel/lib/ct360.x differ

Binary files linux-3.0.old/drivers/input/touchscreen/generic_ts_rel/lib/ct365.x and linux-3.0.new/drivers/input/touchscreen/generic_ts_rel/lib/ct365.x differ

Binary files linux-3.0.old/drivers/input/touchscreen/generic_ts_rel/lib/enhance.x and linux-3.0.new/drivers/input/touchscreen/generic_ts_rel/lib/enhance.x differ

Does anybody have such files to build the kernel with touchscreen support?

Hi,

The link of SABRE lite Android Image & Android tools, It seems not fix yet..

Hi,

The above download link of Android image & Android Tools (SABRE Lite) ,It's seems some problem of file size , It's only 8.7MB of image_SVM2236.zip.

I using the MfgTool : (mfgtools-rel-12.04.01_er_mx6q_updater) on tools_SVN2236 floder, It also can not download image to Sabere lite board.

Can fix the download link of SABRE lite !!!!

Hi Stefan,

Download links has been fixed. Thanks

Ankur Tomar

Hi All,

Above download link has been fixed now.....

Regards

Ankur Tomar