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Update release-notes.md

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Sebastian Rivera
2020-11-10 12:17:03 -06:00
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parent 64b747495e
commit 2fb94103ae
1 changed files with 17 additions and 17 deletions
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firmware/release-notes.md
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@@ -11,12 +11,12 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
off time. This makes booting slightly faster.
* Remove HDMI console messages where the information is duplicated elsewhere
on the display.
* Improve compatiblity with external USB 3.0 disk enclosures by enumerating
* Improve compatibility with external USB 3.0 disk enclosures by enumerating
the downstream hubs before executing the USB port power off.
N.B. Pi4 8GB automatically powers off the USB ports during chip-reset and
does not need this change.
* Don't timeout a USB MSD device after USB_MSD_LUN_TIMEOUT if there are no other
MSD devices or LUNs to try. This avoids unecessary timeouts on very slow
MSD devices or LUNs to try. This avoids unnecessary timeouts on very slow
to initialise disk drives e.g. USB HDDs designed for backups.
* Fix failover to partition zero if the partition number is invalid. For USB
MSD boot a start.elf update is also required.
@@ -35,13 +35,13 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
The update-timestamp is the timestamp when the update is created is
independent of the build-timestamp for the bootloader executable. See
rpi-eeprom-udpate -h
rpi-eeprom-update -h
* Add support for the 'tryboot' feature that enables operating systems to
implement a fallback mechanism if an OS upgrade fails. This works with all
bootable media types but requires updated firmware and OS software.
This feature should be viewed as EXPERIMENTAL and may change depenending upon
feedback from other OS/distro maintainer.
This feature should be viewed as EXPERIMENTAL and may change depending upon
feedback from other OS/distro maintainers.
https://github.com/raspberrypi/linux/commit/757666748ebf69dc161a262faa3717a14d68e5aa
@@ -70,32 +70,32 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
## 2020-09-03 Only use green LED for error status in bootloader - BETA
* Turn the green LED on and leave it on unless an error code occurs.
Previously, SD activity was displayed but that plus muxing with the
Previously, SD activity was displayed but that plus mixing with the
SPI CS made the LED activity confusing.
The HDMI diagnostics screen now provides much better information
for determing if the bootloader is running or frozen.
for determining if the bootloader is running or frozen.
* CM4 enable GPIO for SD power.
* Filename should be 2020-09-03
## 2020-08-31 Disable self-update from SD card - BETA
* Since the ROM will load recovery.bin from the SD card self update is not
* Since the ROM will load recovery.bin from the SD card self-update is not
required. Although it functions correctly there is a small risk stale
pieeprom.upd files would be installed automatically e.g. if the
rpi-eeprom-update service has been disabled.
## 2020-08-10 Promote 2020-07-31 release to STABLE
* The USB port power management change from the last BETA improves
compatiblity for devices which during reset with no regressions reported.
compatibility for devices which during reset with no regressions reported.
Make this the latest stable release.
## 2020-07-31 Standardize USB port power control accross board revisions - BETA
## 2020-07-31 Standardize USB port power control across board revisions - BETA
* Turn off USB port power for 1-second regardless of boot-mode. This appears
to resolve an issue on R1.3 and older board revisions where some USB
devices would fail upon reboot. On R1.4 USB port power is turned off
automatically by the PMIC so this is just held in reset for longer. For
earlier board revisions the USB port power is explicitly turned off via
XHCI.
This can be overriden via USB_MSD_PWR_OFF_TIME in the EEPROM config.
This can be overridden via USB_MSD_PWR_OFF_TIME in the EEPROM config.
* Update to the latest Broadcom memsys FW - no significant functional change.
## 2020-07-20 Promote 2020-07-16 bootloader and VL805 0138A1 FW to stable - STABLE
@@ -109,7 +109,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
issue which does not impact Model B
* Update the VL805 embedded / standalone FW version to 0138A1
* User settings of the ASPM bits in the PCI configuration space
link control register are now maintained
link control registers are now maintained
* Better full-speed Isochronous endpoint support
* Add eeprom_write_protect config.txt variable which if set configures
the non-volatile status register bits to define the write protect
@@ -175,7 +175,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
* 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
to the next mode. The retries mechanism is largely redundant 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.
@@ -207,7 +207,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
## 2020-05-15 Add pieeprom-2020-05-15 beta with USB boot
* USB mass storage boot will NOT work without the updated firmware
start.elf binaries. These will probably be released via rpi-update
in a few days time.
in a few days’ time.
This release simply helps to validate if there are regressions in
the current SD and Network boot modes.
@@ -237,7 +237,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
Fix recovery.bin to reboot in this case. The current 'critical'
release does not have this problem.
* Fix uart_2ndstage logging in beta/stable recovery image.
* Change recovery.bin to reboot instead of displaying an error patern
* Change recovery.bin to reboot instead of displaying an error pattern
if there are no EEPROM images. The Raspberry Pi Image makes it very
difficult to create a broken rescue image but a stray recovery.bin
could stop Raspbian from booting.
@@ -281,7 +281,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
is enabled by setting DHCP_OPTION97=0 which simply repeats the serial
number 4 times.
* SELF_UPDATE. If SELF_UPDATE is set to 1 in the EEPROM configuration AND
config.txt contains bootloader_update=1 then the bootloader will looking
config.txt contains bootloader_update=1 then the bootloader will be looking
for pieeprom.upd and vl805.bin and apply these firmware files if
they are different to the current image, before doing a watchdog reset.
This should make it easier to update the bootloader for network
@@ -326,7 +326,7 @@ https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloade
* Avoid resetting TFTP prefix after retries or if start4.elf is not found.
* Add MAC_ADDRESS option which allows the OTP Ethernet MAC address to be
overriden. An VideoCore firmware update will propagate this forced
overridden. An VideoCore firmware update will propagate this forced
mac address to device-tree/cmdline in the near future.
* Various internal refactorings to prepare for USB MSD storage boot in
the next beta-series.