Added kernel-extra.config for customization

README.md

@@ -6,6 +6,35 @@ https://docs.mono.si/gateway-development-kit/getting-started
 ## Build
 ```
 make itb # for out/board.itb
+make release # WORK IN PROGRESS
+```
+
+## Architecture
+ - A/B deployment
+ - Read-only OS
+
+## Upgrade process
+Rough idea
+
+```
+./configure
+# - join cluster config
+
+make release
+
+
+# Copy the new image to the upgrade-scheduler
+kubectl cp -n kube-system upgrade-scheduler:/tmp/upgrade.img
+
+# Upgrade scheduler reads the file that issue a self-reboot
+reboot
+
+# uboot to boot into partition B
+
+```
+
+```yaml
+PENDING
 ```
 
 ## tftp (network is required)
@@ -18,6 +47,7 @@ usb start
 usb tree
 fatls usb 0:1   # For fat
 ext4ls usb 0:1  # For ext4
+fatload usb 0 0x80000000 board.itb
 
 setenv bootargs "console=ttyS0,115200 earlycon=uart8250,mmio,0x21c0500 root=/dev/ram0 rootwait rw"
 bootm 0x80000000