Hi Simon, Did you finally solve this issue?? I have the same problem with the M2M variant that has no eMMC chip. The same image works well with the variant that includes the eMMC.
Brandon On Tuesday, November 30, 2021 at 3:09:21 PM UTC+1 simon...@gmail.com wrote: > Hi, > > I'm trying to get a banana pi M2M working on a slightly more recent > version of the kernel than the 3.4 that's provided. I got some things > working but u-boot isn't reliably booting from the sd card. It sometimes > works but it mostly hangs after displaying the DRAM message (as shown below) > > ``` > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > > <pressed reset> > > U-Boot SPL 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) > DRAM: 512 MiB > Trying to boot from MMC1 > > > U-Boot 2022.01-rc3 (Nov 30 2021 - 10:46:41 +0000) Allwinner Technology > > CPU: Allwinner A33 (SUN8I 1667) > Model: BananaPi M2 Magic > DRAM: 512 MiB > WDT: Not starting watchdog@1c20ca0 > MMC: mmc@1c0f000: 0, mmc@1c10000: 1, mmc@1c11000: 2 > ``` > > Looking through the wiki https://linux-sunxi.org/U-Boot it looks like it > could be because of the device tree, but considering it's booting some > times I don't think this is the issue? It looks like SPL is always working > but it's often failing to pass to u-boot proper. > > Any pointers on what could be wrong here? > > Has anyone got a bananapi m2m or similar working well with a recent > kernel? I managed to get SPI working fine (i might submit a patch) but so > far I haven't managed to get wifi working (a bit stuck on that) and I > haven't looked much beyond that. > > Best regards, > Simon > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/4ee07ab9-4209-4f62-87d2-3b8d4971e81bn%40googlegroups.com.
