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configs/imx8mmpico: bump bsp components to version tn-hardknott_5.10.72-2.2.0

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Those components are aligned with NXP BSP lf-5.10.72-2.2.0.

This commit also refresh the readme.txt file:
- update no longer working URLs,
- enhance flashing instructions (use ${mmcdev} uboot variable),
- add "bs=1M" option to dd for better flashing performances.

Fixes:
- https://gitlab.com/buildroot.org/buildroot/-/jobs/2781800730

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Julien Olivain
2022-07-30 22:37:10 +02:00
committed by Thomas Petazzoni
parent 32e9f1813c
commit 9bf4575036
2 changed files with 17 additions and 12 deletions
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18
board/technexion/imx8mmpico/readme.txt
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@@ -46,7 +46,7 @@ J2: jumper on pins 2 and 4.
In case the board was flashed with a wrong u-boot, or the eMMC is
erased, u-boot can be loaded by USB Serial Download boot mode, using
imx-usb-loader. See [3] and [4].
imx-usb-loader. See [3].
For flashing:
- Plug the micro USB cable from the Debug USB Port, to your computer
@@ -54,9 +54,13 @@ For flashing:
In the U-Boot prompt launch:
=> ums 0 mmc 1
=> ums 0 mmc ${mmcdev}
This will mount the eMMC content in the host PC as a mass storage device.
Note: the ${mmcdev} id may change from one uboot version to another. The
actual id can be confirmed by running commands "mmc rescan" then
"mmc list", to find the eMMC entry. Finally it's possible to enter
directly the mmc device id, for example: "ums 0 mmc 2".
To determine the device associated to the eMMC card have a look in the
/proc/partitions file:
@@ -70,12 +74,13 @@ Buildroot prepares a bootable "sdcard.img" image in the output/images/
directory, ready to be dumped on the eMMC. Launch the following
command as root:
dd if=output/images/sdcard.img of=/dev/<your-sd-device>
dd bs=1M if=output/images/sdcard.img of=/dev/<your-sd-device>
*** WARNING! This will destroy all the eMMC content. Use with care! ***
This operation can take several minutes, depending on the image
size. When tested, a 2MB/s transfer rate was observed.
size. When tested, a 10MB/s transfer rate was observed. Note: the
blocksize "bs=1M" parameter gives better transfer performances.
For details about the medium image layout, see the definition in
board/freescale/common/imx/genimage.cfg.template.
@@ -91,6 +96,5 @@ To boot your newly created system:
Enjoy!
[1]. https://www.technexion.com/products/system-on-modules/pico/pico-compute-modules/detail/PICO-IMX8M-MINI
[2]. https://www.technexion.com/products/pico-evaluation-kits/detail/PICOPIIMX8MM1GDEV
[3]. https://www.technexion.com/support/knowledgebase/boot-configuration-settings-for-pico-baseboards/
[4]. https://www.technexion.com/support/knowledgebase/loading-bootable-software-images-onto-the-emmc-of-picosom-on-pico-pi/
[2]. https://www.technexion.com/products/system-on-modules/evk/pico-pi-imx8m-mini/
[3]. https://developer.technexion.com/docs/recover-to-factory-settings-pico-imx8m-mini