Merge pull request #346 from XECDesign/debian/buster

Debian/buster

debian/changelog

@@ -1,3 +1,14 @@
+rpi-eeprom (12.6-1) buster; urgency=medium
+
+  [ Tim Gover ]
+  * pieeprom-2021-06-17 CM4 avoid touching PCIe - BETA
+    - Avoid default PCIe / XHCI probe on CM4 unless required for the
+      current boot mode (USB_MSD or NVME).
+    - Leave PCIe RC in reset state when loading start.elf except for
+      USB-MSD mode.
+
+ -- Serge Schneider <serge@raspberrypi.com>  Mon, 21 Jun 2021 16:01:30 +0100
+
 rpi-eeprom (12.5-1) buster; urgency=medium
 
   [ Dave Jones ]

firmware/release-notes.md

@@ -3,6 +3,11 @@
 USB MSD boot also requires the firmware from Raspberry Pi OS 2020-08-20 or newer.
 https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md
 
+## 2021-06-17 - Avoid unnecessary PCIe probe on CM4 - BETA
+   * Avoid default PCIe / XHCI probe on CM4 unless required for the current boot
+     mode (USB_MSD or NVME).
+   * Leave PCIe RC in reset state when loading start.elf except for USB-MSD mode.
+
 ## 2021-06-11 - Add USB_MSD_STARTUP_DELAY option - BETA
    * Minor update to BRCM SDRAM settings.
    * Add USB_MSD_STARTUP_DELAY option (default 0 option). This adds a configurable