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@ -43,26 +43,13 @@ https://git.collabora.com/cgit/user/tomeu/u-boot.git/commit/?h=nyan-big |
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https://lists.denx.de/pipermail/u-boot/2017-May/289491.html |
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https://github.com/chromeos-nvidia-androidtv/gnu-linux-on-acer-chromebook-13#copy-data-to-the-sd-card |
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1. Patch U-Boot |
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Open include/configs/tegra124-common.h |
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Change: |
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#define CONFIG_SYS_TEXT_BASE 0x80110000 |
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to: |
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#define CONFIG_SYS_TEXT_BASE 0x81000100 |
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2. Build U-Boot |
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1. Build U-Boot |
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mkdir b |
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make -j8 O=b/nyan-big CROSS_COMPILE=arm-linux-gnueabi- nyan-big_defconfig all |
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3. Select a .its file |
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2. Select a .its file |
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Select something from doc/chromium which matches your board, or create your |
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own. |
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@ -72,7 +59,7 @@ used by U-Boot. This is because the Chromebook expects to pass it to the |
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kernel, and crashes if it is not present. |
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4. Build and sign an image |
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3. Build and sign an image |
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./b/nyan-big/tools/mkimage -f doc/chromium/nyan-big.its u-boot-chromium.fit |
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echo test >dummy.txt |
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@ -82,7 +69,7 @@ kernel, and crashes if it is not present. |
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--bootloader dummy.txt --pack u-boot.kpart |
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5. Prepare an SD card |
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4. Prepare an SD card |
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DISK=/dev/sdc # Replace with your actual SD card device |
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sudo cgpt create $DISK |
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@ -91,12 +78,12 @@ kernel, and crashes if it is not present. |
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sudo gdisk $DISK # Enter command 'w' to write a protective MBR to the disk |
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6. Write U-Boot to the SD card |
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5. Write U-Boot to the SD card |
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sudo dd if=u-boot.kpart of=/dev/sdc1; sync |
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7. Start it up |
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6. Start it up |
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Reboot the device in dev mode. Make sure that you have USB booting enabled. To |
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do this, login as root (via Ctrl-Alt-forward_arrow) and type |
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@ -115,7 +102,7 @@ mode screen. It should show something like the following on the display: |
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Tegra124 (Nyan-big) # |
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8. Known problems |
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7. Known problems |
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On the serial console the word MMC is chopped at the start of the line: |
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