pieeprom-2020-06-03: Bootmode tweaks and fix issue with > 4TB drives - BETA

* Resolve: Unable to boot from USB MSD - Seagate 5Tb HDD backup drive #139
* Increase USB MSD timeout from 10 to 20 seconds.
* Max retries now default to zero because the default BOOT_ORDER includes
  restart (0xf). Therefore, each boot-mode is now tried once before moving
  to the next mode. The retries mechanism is largely redudant now that
  the loop/restart mode exists.
* If TFTP fails and network boot retries > 0 then wait 5 seconds before
  retrying to avoid overloading a misconfigured TFTP server.
* Map undefined boot-modes in BOOT_ORDER to SD (0x1) instead of stopping.
* Add missing pieeprom-2020-05-28
This commit is contained in:
Tim Gover
2020-06-03 14:56:06 +01:00
parent 322568aa65
commit eccbc1066d
4 changed files with 23 additions and 7 deletions

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# Raspberry Pi4 bootloader EEPROM release notes
## 2020-06-03 Bootmode tweaks and fix issue with > 4TB drives - BETA
* Resolve: Unable to boot from USB MSD - Seagate 5Tb HDD backup drive #139
* Increase USB MSD timeout from 10 to 20 seconds.
* Max retries now default to zero because the default BOOT_ORDER includes
restart (0xf). Therefore, each boot-mode is now tried once before moving
to the next mode. The retries mechanism is largely redudant now that
the loop/restart mode exists.
* If TFTP fails and network boot retries > 0 then wait 5 seconds before
retrying to avoid overloading a misconfigured TFTP server.
* Map undefined boot-modes in BOOT_ORDER to SD (0x1) instead of stopping.
* Add missing pieeprom-2020-05-28
## 2020-05-28 Secondary fix for VL805 readback issue - BETA
* Re-upload 2020-05-28 after Git issue
* rpi-eeprom-update for new board revisions
## 2020-05-27 Fix DPI issue - BETA
* Resolve: DPI failure after HDMI diagnostics screen in beta bootloader #133
* Resolve: VL805 readback failure in the bootloader #134