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Try to be less smart (focused on the one target/one use-case), instead reduce the rpi-firmware package to a selectable list of (verbatim) installed firmware files. - change rpi-firmware config handling from rpi-variant/rpi-flavour choices to bootcode.bin, pi-default/-extended/-cut-down and pi4-/default/-extended/-cut-down selection - add BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE option to select installable config.txt file - remove config.txt modify code/handling from raspberry post-image.sh script - add different customized config.txt files to the raspberry board section - change dtoverlay krnbt from 'dtoverlay=miniuart-bt,krnbt=on' to extra line with explanation comment - change raspberry defconfigs to select appropiate rpi-firmware and config.txt files - change genimage-raspberrypi4.cfg/genimage-raspberrypi4-64.cfg to use start4.elf and fixup4.dat - update board/raspberrypi/readme.txt (add optional files fixup4.dat, start4.elf and zImage) With this changes a better support for custom use-cases should be possible, specially multi-target SD cards as suggested by Stefan Agner ([1]). [1] http://lists.busybox.net/pipermail/buildroot/2021-February/303318.html Signed-off-by: Peter Seiderer <ps.report@gmx.net> [yann.morin.1998@free.fr: fix case of no config.txt provided] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
100 lines
2.9 KiB
Plaintext
100 lines
2.9 KiB
Plaintext
config BR2_PACKAGE_RPI_FIRMWARE
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bool "rpi-firmware"
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depends on BR2_arm || BR2_aarch64
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help
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RaspberryPi Firmware
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Pre-compiled binaries of the current bootloader and GPU
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firmware
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https://github.com/raspberrypi/firmware
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if BR2_PACKAGE_RPI_FIRMWARE
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config BR2_PACKAGE_RPI_FIRMWARE_BOOTCODE_BIN
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bool "rpi 0/1/2/3 bootcode.bin"
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help
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The bootcode.bin for versions Zero/1/2/3 (not needed on rpi4,
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because it has been replaced by boot code in the onboard
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EEPROM).
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI
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bool "rpi 0/1/2/3 (default)"
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help
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The default set of files for versions Zero/1/2/3.
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI_X
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bool "rpi 0/1/2/3 (extended)"
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help
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The extended set of files for versions Zero/1/2/3 (additional
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GPU features, eg. more audio/video codecs).
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI_CD
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bool "rpi 0/1/2/3 (cut-down)"
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help
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The cut-down set of files for versions Zero/1/2/3 (only
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features required to boot a Linux kernel).
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4
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bool "rpi 4 (default)"
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help
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The default set of files for versions 4 (standard GPU
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features).
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4_X
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bool "rpi 4 (extended)"
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help
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The extended set of files for versions 4 (additional GPU
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features, eg. more audio/video codecs).
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config BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4_CD
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bool "rpi 4 (cut-down)"
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help
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The cut-down set of files for versions 4 (only features
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required to boot a Linux kernel).
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config BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE
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string "Path to a file stored as boot/config.txt"
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help
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Path to a file stored as config.txt in the boot partiton
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of the generated SD card image.
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config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS
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bool "Install Device Tree Blobs (DTBs)"
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default y
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depends on !BR2_LINUX_KERNEL_DTS_SUPPORT
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help
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If you are using a Linux kernel <= 3.18, you should say 'y'
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here.
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If you are using a Linux kernel >= 3.19, you should say 'n'
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here, and enable BR2_LINUX_KERNEL_DTS_SUPPORT to let the
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kernel build the DTB.
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config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS
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bool "Install DTB overlays"
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default y
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depends on BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS \
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|| BR2_LINUX_KERNEL_DTS_SUPPORT
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select BR2_LINUX_KERNEL_DTB_OVERLAY_SUPPORT \
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if BR2_LINUX_KERNEL_DTS_SUPPORT
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help
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Say 'y' here if you need to load one or more of the DTB
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overlays, to support HATs (Hardware Attached on Top, add-on
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modules).
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config BR2_PACKAGE_RPI_FIRMWARE_INSTALL_VCDBG
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bool "vcdbg"
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depends on BR2_arm # prebuilt arm binary, rpi-userland
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depends on BR2_TOOLCHAIN_USES_GLIBC
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depends on BR2_INSTALL_LIBSTDCPP # rpi-userland
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select BR2_PACKAGE_RPI_USERLAND
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help
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Install vcdbg, to help debug communication with the GPU.
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comment "vcdbg needs a glibc toolchain w/ C++"
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depends on BR2_arm
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depends on !BR2_TOOLCHAIN_USES_GLIBC || !BR2_INSTALL_LIBSTDCPP
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endif # BR2_PACKAGE_RPI_FIRMWARE
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