FAQ_MA35D1_Extend the SD card Boot Space

[ytliu6]

The SD/eMMC default boot space is 32 MB and if you need to save more data to the flash, you can follow the steps below to extend the space.

Yocto:

1. Modify the configuration in the local.conf
The path is shown below

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~/yocto/build/conf/local.conf

2. The default Boot Space is 32768 bytes (32MB)
You can modify it to 65536 bytes (64MB)

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BOOT_SPACE = “65536”

3. Rebuild TF-A and U-Boot

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~/youcto/build$ bitbake u-boot-ma35d1 tf-a-ma35d1 –C compile

4. Clean the current Image

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~/youcto/build$ bitbake nvt-image-qt5 –c cleanall

5. Repack the Image

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~/youcto/build$ bitbake nvt-image-qt5

6. Program the Image to target board

Buildroot:

1. Modify the configuration by menuconfig

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~/buildroot& make menuconfig

2. Modify the size from 32MB to 64MB shown below

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Bootloaders --->
  (65536) MA35D1 Boot Space(KiB)

3. Rebuild TF-A and U-Boot

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~/Buildroot_MA35D1$ make arm-trusted-firmware-rebuild uboot-rebuild

4. Repack the Image

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~/Buildroot_MA35D1$ make

5. Program the Image to target board

#MA35D1 #Boot Space #Extend Boot Space