Re: EDK2 ArmVirtQemu behaviour with multiple UARTs

2023-09-21 Thread Gerd Hoffmann
On Thu, Sep 21, 2023 at 04:34:27PM +0100, Peter Maydell wrote: > As long as EDK2 does something sensible when the DTB says "two > UARTs here and here" and it also finds a virtio-serial PCI > device, I don't mind what exactly it does. The problem here is > more that EDK2 currently does strange thing

Re: EDK2 ArmVirtQemu behaviour with multiple UARTs

2023-09-21 Thread Peter Maydell
On Thu, 21 Sept 2023 at 16:26, Gerd Hoffmann wrote: > > On Thu, Sep 21, 2023 at 11:50:20AM +0100, Peter Maydell wrote: > > Hi; I've been looking again at a very long standing missing feature in > > the QEMU virt board, which is that we only have one UART. One of the > > things that has stalled thi

Re: EDK2 ArmVirtQemu behaviour with multiple UARTs

2023-09-21 Thread Gerd Hoffmann
On Thu, Sep 21, 2023 at 11:50:20AM +0100, Peter Maydell wrote: > Hi; I've been looking again at a very long standing missing feature in > the QEMU virt board, which is that we only have one UART. One of the > things that has stalled this in the past has been the odd behaviour of > EDK2 if the DTB t

Re: EDK2 ArmVirtQemu behaviour with multiple UARTs

2023-09-21 Thread Ard Biesheuvel
On Thu, 21 Sept 2023 at 10:50, Peter Maydell wrote: > > Hi; I've been looking again at a very long standing missing feature in > the QEMU virt board, which is that we only have one UART. One of the > things that has stalled this in the past has been the odd behaviour of > EDK2 if the DTB that QEMU