Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| tools:yocto [2023/08/16 16:52] – [Build] darron | tools:yocto [2023/08/17 15:35] (current) – [Boot] darron | ||
|---|---|---|---|
| Line 7: | Line 7: | ||
| Yocto can be used to create a customised Linux installation on an | Yocto can be used to create a customised Linux installation on an | ||
| - | embedded system with a fully writable root filesystem | + | embedded system with a fully writable root filesystem |
| management. | management. | ||
| Line 73: | Line 73: | ||
| git mv recipes-devtools/ | git mv recipes-devtools/ | ||
| </ | </ | ||
| + | |||
| + | NB the above is a known but unaddressed issue | ||
| ==Dev tools== | ==Dev tools== | ||
| Line 100: | Line 102: | ||
| | | ||
| </ | </ | ||
| + | |||
| + | NB the above patch has been submitted to ST. | ||
| ==Cortex-M4== | ==Cortex-M4== | ||
| Line 128: | Line 132: | ||
| </ | </ | ||
| + | NB the correct solution would be to update the compiler | ||
| ===Configure=== | ===Configure=== | ||
| Line 248: | Line 253: | ||
| bitbake core-image-full-cmdline | bitbake core-image-full-cmdline | ||
| </ | </ | ||
| + | |||
| + | Eg. | ||
| < | < | ||
| Line 281: | Line 288: | ||
| </ | </ | ||
| - | ===SDCARD=== | + | ===Flash=== |
| + | |||
| + | Write image to microsd card identified as /dev/sdc | ||
| < | < | ||
| + | #! /bin/bash | ||
| cd / | cd / | ||
| - | ./ | + | ./ |
| + | sudo dd if=FlashLayout_sdcard_stm32mp157d-dk1-optee.raw of=/dev/sdc bs=4M conv=fdatasync, | ||
| + | sleep 1 | ||
| + | sudo hdparm -z /dev/sdc | ||
| </ | </ | ||
| - | < | ||
| - | dd if=FlashLayout_sdcard_stm32mp157d-dk1-optee.raw of=/dev/sdb bs=4M conv=fdatasync, | ||
| - | </ | ||
| ===Boot=== | ===Boot=== | ||
| Line 727: | Line 737: | ||
| </ | </ | ||
| + | It appears that the power controller is probed before the I2C interface is online and consequently it doesn' | ||
| ===Extra=== | ===Extra=== | ||
| - | Add package-management to extra features to gain access to RPM in local.conf | + | Add package-management to extra features to gain access to RPM or dpkg/ |
| < | < | ||
| EXTRA_IMAGE_FEATURES ?= " | EXTRA_IMAGE_FEATURES ?= " | ||
| </ | </ | ||
| + | |||
| + | Package format defaults to RPM but can be changed to deb. | ||
| Rebuild and boot new image. | Rebuild and boot new image. | ||
| Line 744: | Line 756: | ||
| < | < | ||
| scp e2fsprogs-resize2fs-1.47.0-r0.cortexa7t2hf_neon_vfpv4.rpm root@stm32mp1: | scp e2fsprogs-resize2fs-1.47.0-r0.cortexa7t2hf_neon_vfpv4.rpm root@stm32mp1: | ||
| - | </ | ||
| - | |||
| - | This tool could have been preloaded in local.conf with | ||
| - | < | ||
| - | IMAGE_INSTALL += " | ||
| </ | </ | ||
| Line 791: | Line 798: | ||
| ===Resources=== | ===Resources=== | ||
| - | [[https:// | + | [[https:// |
| - | [[https:// | + | [[https:// |
| [[https:// | [[https:// | ||
| + | [[https:// | ||
| + | [[https:// | ||
