raspberrypi/rpi-eeprom
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make-release: Add a script for generating Raspberry Pi Imager releases

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Create an EEPROM update zip files for use with the Raspberry Pi Imager.
The Raspberry Pi Imager JSON will soon be updated to support the 3
different boot priority choices offered by raspi-config.
This commit is contained in:
Tim Gover
2021-03-04 15:15:50 +00:00
parent 8c9c14526d
commit 3b952e996a
9 changed files with 120 additions and 0 deletions
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imager/README.txt Normal file
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Raspberry Pi 4 EEPROM bootloader rescue image
*********************************************
The Raspberry Pi4 has a small EEPROM used to store the bootloader.
This rescue image reverts the bootloader EEPROM to factory default settings.
This rescue image also updates the USB 3.0 (VL805) firmware to the latest
version (138a1) with better full-speed Isochronous endpoint support.
To re-flash the EEPROM(s)
1. Unzip the contents of this zip file to a blank FAT formatted SD-SDCARD.
2. Power off the Raspberry Pi
3. Insert the sd-card.
4. Power on Raspberry Pi
5. Wait at least 10 seconds.
This easiest method for creating and formatting the SD-CARD is to use the
Raspberry Pi Imager from https://raspberrypi.org/downloads
If successful, the green LED light will blink rapidly (forever), otherwise
an error pattern will be displayed.
If a HDMI display is attached then screen will display green for success
or red if failure a failure occurs.
N.B. This image is not a bootloader it simply replaces the on-board bootloader.