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pieeprom-2025-08-27: 2711: Fix PARTITION property to allow default (0) partition property to be overridden (latest)

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* Fix PARTITION property to allow default (0) partition to be overridden
  Fix the partition selection to allow the bootloader PARTITION
  property to override the reboot partition number if the reboot
  argument is 0 or > 31. Previously, it was only allowing
  partition numbers > 31 to be overridden.
  See: https://github.com/raspberrypi/rpi-eeprom/issues/743
* Enable RPIBOOT in BOOT_ORDER / set-reboot-order
  Previously, rpiboot required the bootrom to have initialised
  rpiboot before running the firmware. Update the rpiboot
  initialisation so that rpiboot to be enabled after booting from
  SPI flash.
  This could be selectively enabled by setting BOOT_ORDER property
  (0x3) behind a GPIO conditional in the EEPROM config. On Pi5, the
  set_reboot_order config.txt option or mailbox property can be
  used to set a one-time boot-order on
  N.B. There is no timeout for RPIBOOT so this should only be set
  as the last boot mode OR used with a boot_watchdog.
This commit is contained in:
Tim Gover
2025-08-27 19:59:28 +01:00
committed by Tim Gover
parent 1793f5c4ba
commit 581437bcee
3 changed files with 20 additions and 0 deletions
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firmware-2711/release-notes.md
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@@ -1,5 +1,25 @@
# Raspberry Pi4 bootloader EEPROM release notes
## 2025-08-27: Fix PARTITION property to allow default (0) partition to be overridden (latest)
* Fix PARTITION property to allow default (0) partition to be overridden
Fix the partition selection to allow the bootloader PARTITION
property to override the reboot partition number if the reboot
argument is 0 or > 31. Previously, it was only allowing
partition numbers > 31 to be overridden.
See: https://github.com/raspberrypi/rpi-eeprom/issues/743
* Enable RPIBOOT in BOOT_ORDER / set-reboot-order
Previously, rpiboot required the bootrom to have initialised
rpiboot before running the firmware. Update the rpiboot
initialisation so that rpiboot to be enabled after booting from
SPI flash.
This could be selectively enabled by setting BOOT_ORDER property
(0x3) behind a GPIO conditional in the EEPROM config. On Pi5, the
set_reboot_order config.txt option or mailbox property can be
used to set a one-time boot-order on
N.B. There is no timeout for RPIBOOT so this should only be set
as the last boot mode OR used with a boot_watchdog.
## 2025-08-20: Fix PARTITION_WALK for missing start.elf files (latest)
* Fix PARTITION_WALK for missing start.elf files