On Thu, 2023-09-21 at 18:49 -0700, Drew Fustini wrote: > This series adds support for the eMMC on the BeagleV Ahead and the > Sipeed LicheePi 4A. This allows the kernel to boot with the rootfs on > eMMC. > > I tested on top of v6.6-rc2 with this config [1]. I was able to boot > both the Ahead [2] and LPi4a [3] from eMMC. The following prerequisites > are required: > > [PATCH v2] riscv: dts: thead: set dma-noncoherent to soc bus [4] > > I pushed a branch [5] with this patch series and the above patch for > those that find a git branch easier to test. > > Please note that only the MMC controller connected to the eMMC device > is enabled in the device trees for these two boards. I did not yet > attempt to configure and use the microSD card slot. My preference is to > address that in a future patch series. > > References: > [1] https://gist.github.com/pdp7/5fbdcf2a65eb1abdd3a29d519c19cdd2 > [2] https://gist.github.com/pdp7/91a801a5f8d1070c53509eda9800ad78 > [3] https://gist.github.com/pdp7/1445c3c991e88fd69c60165cef65726a > [4] https://lore.kernel.org/linux-riscv/20230912072232.2455-1-jszhang@xxxxxxxxxx/ > [5] https://github.com/pdp7/linux/tree/b4/th1520-mmc I've tested this branch and successfully booted a rootfs on Lichee Pi 4A eMMC with rootdelay=10. Curiously is there some way to make it work without rootdelay? For everything except "Enable BeagleV Ahead eMMC controller": Tested-by: Xi Ruoyao <xry111@xxxxxxxxxxx> -- Xi Ruoyao <xry111@xxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
