51 lines
2.5 KiB
Plaintext
51 lines
2.5 KiB
Plaintext
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# Amlogic A311D 2/4GB RAM eMMC GBE USB3 M.2
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BOARD_NAME="Khadas VIM3"
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BOARDFAMILY="meson-g12b"
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BOARD_MAINTAINER="rpardini NicoD-SBC"
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BOOTCONFIG="khadas-vim3_defconfig"
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KERNEL_TARGET="current,edge"
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FULL_DESKTOP="yes"
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SERIALCON="ttyAML0"
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BOOT_LOGO="desktop"
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BOOT_FDT_FILE="amlogic/meson-g12b-a311d-khadas-vim3.dtb" # there is also a s922x dtb, but vim3 is a311d only
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ASOUND_STATE="asound.state.khadas-vim3"
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BOOTBRANCH_BOARD="tag:v2023.07-rc4"
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BOOTPATCHDIR="v2023.07"
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declare -g KHADAS_OOWOW_BOARD_ID="VIM3" # for use with EXT=output-image-oowow
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# To enable the SPI NOR the -spi .dtb is required, because eMMC shares a pin with SPI on the VIM3. To use it:
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# fdtfile=amlogic/meson-g12b-a311d-khadas-vim3-spinor.dtb # in armbianEnv.txt and reboot, then run armbian-install
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# After deploying to SPI-NOR/MTD, return back to the normal DTB, otherwise eMMC speed is impaired.
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UBOOT_TARGET_MAP="u-boot-dtb.img;;u-boot.bin.sd.bin:u-boot.bin u-boot-dtb.img u-boot-spi.bin:u-boot-spi.bin"
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write_uboot_platform_mtd() {
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dd if=$1/u-boot-spi.bin of=/dev/mtdblock0
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}
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# Bring in some old FIP blobs for the VIM3, for use exclusively with SPI booting. See https://github.com/LibreELEC/amlogic-boot-fip/pull/10
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function fetch_sources_tools__libreelec_amlogic_fip_pre_vim3_blob_update() {
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fetch_from_repo "https://github.com/LibreELEC/amlogic-boot-fip" "amlogic-boot-fip-vim3-spi" "commit:f49ee39e1c6988b8ddb24f4e5a63286d133864cb" # pre-VIM3/3L DDR update
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}
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function post_uboot_custom_postprocess__khadas_vim3_uboot_new_and_old_blobs() {
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# Preserve the u-boot produced (unsigned) u-boot.bin
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run_host_command_logged cp -v u-boot.bin u-boot.bin.orig
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# Sign using the old FIP blobs (amlogic-boot-fip-vim3-spi), for use exclusively with SPI booting.
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display_alert "Signing u-boot for SPI booting with old blobs" "${BOARD}" "info"
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uboot_g12_postprocess "$SRC"/cache/sources/amlogic-boot-fip-vim3-spi/khadas-vim3 g12b
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# Once done, store the resulting u-boot.bin as u-boot-spi.bin referenced in the UBOOT_TARGET_MAP above.
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run_host_command_logged cp -v u-boot.bin u-boot-spi.bin
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# Restore the original, so we can do everything again.
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run_host_command_logged cp -v u-boot.bin.orig u-boot.bin
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# Do the normal signing, using the regular/updated FIP blobs. This is for eMMC booting.
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display_alert "Signing u-boot for eMMC/SD booting with new blobs" "${BOARD}" "info"
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uboot_g12_postprocess "$SRC"/cache/sources/amlogic-boot-fip/khadas-vim3 g12b
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display_alert "Done postprocessing u-boot with new/old FIP blobs" "${BOARD}" "info"
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}
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