Hi Tim, On Sun, Aug 16, 2026 at 7:20 AM Tim Ouyang <[email protected]> wrote: > > On Mon, Aug 03, 2026 at 03:06:12PM -0500, Anirudh Srinivasan wrote: > > Adds a basic driver for IOMMUs that conform to the RISC-V IOMMU > > specification. This driver sets up the IOMMU in bare mode so that > > peripherals requiring DMA in U-Boot can function. > > Would you consider adding support for SPL?
I don't have an easy way to test this. This will have to be done later. > > > +#define RISCV_IOMMU_DDTP_TIMEOUT 10000000 > > Although the timeout aligns with Linux’s, it may still be too lengthy > for the bootloader stage. What value do you suggest? Seems like none of the other iommu drivers use timeouts, so I'm not sure what to pick. > -- > Best regards, > Tim Ouyang
