Messages in this thread | | | Subject | Re: [PATCH 0/6] RISC-V: Add eMMC support for TH1520 boards | From | Xi Ruoyao <> | Date | Fri, 22 Sep 2023 19:41:37 +0800 |
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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@kernel.org/ > [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@xry111.site>
-- Xi Ruoyao <xry111@xry111.site> School of Aerospace Science and Technology, Xidian University
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