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Merge pull request #154 from timg236/tim/pieeprom-2020-06-12

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pieeprom-2020-06-12 Improve support for powered USB SATA devices - BETA
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Tim Gover
2020-06-12 13:13:40 +01:00
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# Raspberry Pi4 bootloader EEPROM release notes
## 2020-06-12 Improve support for powered USB SATA devices - BETA
* Reset Ethernet MAC + PHY if final boot mode is not network boot
See: Kernel warning and network failure when attempting to use the network after bootloader times out. #144
* Improve handling of multiple bootable USB devices and remove USB_MSD_BOOT_MAX_RETRIES
* Resolve: No DHCPACK with DHCP relay agent #58
* Toggle USB root hub port power for 200ms on the first USB MSD boot attempt
See: Bootloader can't boot via USB-HDD after system reboot #151
* Update bootloader handover to support uart_2ndstage - requires
a newer start.elf firmware which will be via rpi-update.
* Assert PCIe fundamental reset if the final bootmode was not USB-MSD because
the OS might not do this before starting XHCI.
## 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.