ZIP树莓派UEFI底层固件（实验性） 3.22MB

dsz1714

资源文件列表:

RPi4_UEFI_Firmware_v1.37.zip 大约有19个文件
  1. RPI_EFI.fd 1.94MB
  2. bcm2711-rpi-4-b.dtb 52.99KB
  3. bcm2711-rpi-400.dtb 53.08KB
  4. bcm2711-rpi-cm4.dtb 53.59KB
  5. config.txt 243B
  6. fixup4.dat 5.31KB
  7. start4.elf 2.15MB
  8. overlays/
  9. overlays/upstream-pi4.dtbo 2.71KB
  10. overlays/miniuart-bt.dtbo 1.53KB
  11. Readme.md 4.77KB
  12. firmware/
  13. firmware/Readme.txt 502B
  14. firmware/LICENCE.txt 8.92KB
  15. firmware/brcm/
  16. firmware/brcm/brcmfmac43455-sdio.clm_blob 7KB
  17. firmware/brcm/brcmfmac43455-sdio.txt 2.12KB
  18. firmware/brcm/brcmfmac43455-sdio.Raspberry 2.03KB
  19. firmware/brcm/brcmfmac43455-sdio.bin 616.67KB

资源介绍:

https://github.com/pftf/RPi4/releases/download/v1.37/RPi4_UEFI_Firmware_v1.37.zip 具体操作见 http://t.csdnimg.cn/1uABG 本文件无法直接使用！
Raspberry Pi 4 UEFI Firmware Images =================================== [![Build status](https://img.shields.io/github/actions/workflow/status/pftf/RPi4/linux_edk2.yml?style=flat-square)](https://github.com/pftf/RPi4/actions) [![Github stats](https://img.shields.io/github/downloads/pftf/RPi4/total.svg?style=flat-square)](https://github.com/pftf/RPi4/releases) [![Release](https://img.shields.io/github/release-pre/pftf/RPi4?style=flat-square)](https://github.com/pftf/RPi4/releases) # Summary This repository contains installable builds of the official [EDK2 Raspberry Pi 4 UEFI firmware](https://github.com/tianocore/edk2-platforms/tree/master/Platform/RaspberryPi/RPi4). # Initial Notice __PLEASE READ THE FOLLOWING:__ 🔻🔻🔻🔻🔻🔻🔻🔻🔻 * Ethernet networking support in Linux requires a recent enough kernel (version 5.7 or later) * SD or wireless support in Linux also requires a recent enough kernel (version 5.12 or later). Still, your mileage may vary as to whether these peripherals will actually be usable. * Many drivers (GPIO, VPU, etc) are still likely to be missing from your OS, and will have to be provided by a third party. Please do not ask for them here, as they fall outside of the scope of this project. * A 3 GB RAM limit is enforced __by default__, even if you are using a Raspberry Pi 4 model that has 4 GB or 8 GB of RAM, on account that the OS **must** patch DMA access, to work around a hardware bug that is present in the Broadcom SoC. For Linux this usually translates to using a recent kernel (version 5.8 or later) and for Windows this requires the installation of a filter driver. If you are running an OS that has been adequately patched, you can disable the 3 GB limit by going to `Device Manager` → `Raspberry Pi Configuration` → `Advanced Settings` in the UEFI settings. * This firmware is built from the [official EDK2 repository](https://github.com/tianocore/edk2-platforms/tree/master/Platform/RaspberryPi/RPi4). 🔺🔺🔺🔺🔺🔺🔺🔺🔺 # Installation * Download the latest archive from the [Releases](https://github.com/pftf/RPi4/releases) repository. * Create an SD card or a USB drive, with at least one partition (it can be a regular partition or an [ESP](https://en.wikipedia.org/wiki/EFI_system_partition)) and format it to FAT16 or FAT32. __Note:__ Booting from USB or from ESP requires a recent-enough version of the Pi EEPROM (as well as a recent version of the UEFI firmware). If you are using the latest UEFI firmware and find that booting from USB or from ESP doesn't work, please visit https://github.com/raspberrypi/rpi-eeprom/releases to update your EEPROM. * Extract all the files from the archive onto the partition you created above. Note that outside of this `Readme.md`, which you can safely remove, you should not change the names of the extracted files and directories. # Usage Insert the SD card/plug the USB drive and power up your Raspberry Pi. You should see a multicoloured screen (which indicates that the CPU-embedded bootloader is reading the data from the SD/USB partition) and then the Raspberry Pi black and white logo once the UEFI firmware is ready. At this stage, you can press <kbd>Esc</kbd> to enter the firmware setup, <kbd>F1</kbd> to launch the UEFI Shell, or, provided you also have an UEFI bootloader on the SD card or on a USB drive in `efi/boot/bootaa64.efi`, you can let the UEFI system run that (which will be the default if no action is taken). # Additional Notes The firmware provided in the zip archive is the `RELEASE` version but you can also find a `DEBUG` build of the firmware in the [GitHub CI artifacts](https://github.com/pftf/RPi4/actions). The provided firmwares should be able to auto-detect the UART being used (PL011 or mini UART) according to whether `config.txt` contains the relevant overlay or not. The default baudrate for serial I/O is `115200` and the console device to use under Linux is either `/dev/ttyAMA0` when using PL011 or `/dev/ttyS0` when using miniUART. At the moment, the published firmwares default to enforcing ACPI as well as a 3 GB RAM limit, which is done to ensure Linux boot. These settings can be changed by going to `Device Manager` &rarr; `Raspberry Pi Configuration` &rarr; `Advanced Configuration`. Please visit https://rpi4-uefi.dev/ for more information. # License The firmware (`RPI_EFI.fd`) is licensed under the current EDK2 license, which is [BSD-2-Clause-Patent](https://github.com/tianocore/edk2/blob/master/License.txt). The other files from the zip archives are licensed under the terms described in the [Raspberry Pi boot files README](https://github.com/raspberrypi/firmware/blob/master/README.md). The binary blobs in the `firmware/` directory are licensed under the Cypress wireless driver license that is found there.
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