Hi Cédric, On Wed, Sep 4, 2024 at 3:29 PM Cédric Le Goater <c...@kaod.org> wrote: > > Hello Jamin, > > > Just want you to know that I and Troy are working on the following tasks > > for AST2700. > > 1. Support boot from bootmcu(riscv32) instead of u-boot(Cortex-A35) > > Oh nice. This is a good topic for heterogeneous machines !
The basic model for bootmcu(risc-v) is working now, but we're looking for a way to integrate sram/mmio/dram together. The ivshmem requires PCI, it might be too complicate for our use case. There is an ivshmem-flat probably more sutiable for us. [PATCH 0/4] Add ivshmem-flat device - Gustavo Romero (kernel.org) https://lore.kernel.org/qemu-devel/20231127052024.435743-1-gustavo.rom...@linaro.org/ > > > 2. Support GPIO. > > > > After we finish above tasks, we will upstream QEMU and send our patches. > > > There is also this issue we discussed privately on SPI write > transactions failing on the AST27000. It looked related to > aspeed_smc_do_snoop() but we don't have a good fix yet. > > When time permits, could you please open a gitlab issue with > your findings and logs, so that we don't forget. > > > Thanks, > > C. > > Thanks, Troy Lee
