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Add NVMe boot support for RPi Compute Module 4 (#1557)

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* Add U-Boot patches for NVMe boot support

Add NVMe to boot order. Fix NVMe support on 64-bit Raspberry Pi devices.
This is useful for Raspberry Pi Compute Module 4 IO Board where a native
NVMe can be plugged in.

* Enable NVMe support for Raspberry Pi 4

Our machine configuration rpi4 and rpi4_64 work on the Compute Module IO
Board. In this configuration a NVMe SSD can be used. Therefor, enable
support for NVMe in the Raspberry Pi 4 configurations.

Note: Regular Raspberry Pi devices will not notice a difference as the
"nvme scan" command will return very quickly and not find a NVMe on the
PCIe bus.

* Use built-in NVMe support in Kernel for NVMe boot support
This commit is contained in:
Stefan Agner
2021-09-28 10:51:43 +02:00
committed by GitHub
parent 008fb3fb74
commit 7592143322
12 changed files with 620 additions and 10 deletions
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2
buildroot-external/configs/rpi4_defconfig
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@@ -95,7 +95,7 @@ BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_CUSTOM_VERSION=y
BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.10-rc5"
BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rpi_4_32b"
BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/uboot.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot.config"
BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/uboot.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi4/uboot.config"
BR2_PACKAGE_HOST_UBOOT_TOOLS=y
BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot.ush"