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pieeprom-2025-02-11: 2711: Walk partitions to delete recovery.bin (latest)

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* recovery: Walk partitions to delete recovery.bin
  Previously, recovery.bin would fail to delete itself
  if the bootrom loaded recovery.bin where there are multiple FAT
  partitions and the first partition does not contain recovery.bin
  Update the rename code to walk the partition table to find
  the recovery.bin file to delete.
* Enable overriding of high partition numbers
  Previously, the PARTITION=N bootloader config setting would only
  be used at power on reset or if the partition number passed to
  reboot was zero.
  Change the behaviour so that the bootloader config PARTITION
  property can override the reboot partition number if the reboot
  parameter is > 31.
* Walk the partition table if the requested partition is not bootable
  Previously, if the specified boot partition was not bootable the
  bootloader would stop and advance to the next BOOT_ORDER. If the
  new PARTITION_WALK option is set to 1 the bootloader will now
  check each partition in turn starting from the specified partition
  before advancing the BOOT_ORDER.
  This feature is intended for use with A/B systems to handle the case
  where autoboot.txt is missing / corrupted. This change enables
  the system to failover to the next available bootable partition.
  The autoboot.txt file is not scanned during the partition-walk
  phase i.e. there is no recursive processing of autoboot.txt files.
  This option is only supported on physical block devices
  (SD, NVMe, USB) and not RAMDISK. USB assumes a single high speed
  device, partition walks on multiple USB devices is not recommended
  and may cause timeouts.
* Improve keyboard handling in boot menu
  Try and make it more likely that we have enough time to perform key
  detection.
  Ignore mice, which were being enumerated and slowing things down.
This commit is contained in:
Tim Gover
2025-02-11 17:37:56 +00:00
committed by timg236
parent 34eab17ce6
commit bad328a72e
3 changed files with 35 additions and 0 deletions
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35
firmware-2711/release-notes.md
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@@ -1,5 +1,40 @@
# Raspberry Pi4 bootloader EEPROM release notes
## 2025-02-11: recovery: Walk partitions to delete recovery.bin (latest)
* recovery: Walk partitions to delete recovery.bin
Previously, recovery.bin would fail to delete itself
if the bootrom loaded recovery.bin where there are multiple FAT
partitions and the first partition does not contain recovery.bin
Update the rename code to walk the partition table to find
the recovery.bin file to delete.
* Enable overriding of high partition numbers
Previously, the PARTITION=N bootloader config setting would only
be used at power on reset or if the partition number passed to
reboot was zero.
Change the behaviour so that the bootloader config PARTITION
property can override the reboot partition number if the reboot
parameter is > 31.
* Walk the partition table if the requested partition is not bootable
Previously, if the specified boot partition was not bootable the
bootloader would stop and advance to the next BOOT_ORDER. If the
new PARTITION_WALK option is set to 1 the bootloader will now
check each partition in turn starting from the specified partition
before advancing the BOOT_ORDER.
This feature is intended for use with A/B systems to handle the case
where autoboot.txt is missing / corrupted. This change enables
the system to failover to the next available bootable partition.
The autoboot.txt file is not scanned during the partition-walk
phase i.e. there is no recursive processing of autoboot.txt files.
This option is only supported on physical block devices
(SD, NVMe, USB) and not RAMDISK. USB assumes a single high speed
device, partition walks on multiple USB devices is not recommended
and may cause timeouts.
* Improve keyboard handling in boot menu
Try and make it more likely that we have enough time to perform key
detection.
Ignore mice, which were being enumerated and slowing things down.
## 2024-12-07: Enable banklow (and so NUMA) by default (latest)
* Enable banklow (and so NUMA) by default