FYI ram was limited to 1Gb to avoid issues with DMA since the DMA needs to be restricted to the first 1Gb of RAM.
FYI mainline u-boot 2010/v2019.10 boots just fine with 4GB made available when using rpi_4_defconfig . No patching is needed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847500 Title: Full RAM on Pi4 isn't accessible when using u-boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-release-notes/+bug/1847500/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
