bug#71197: visionfive2-barebones-os fails to boot Linux from MMC2

[Z572 <zhengjunjie@iscas.ac.cn>]

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Richard Sent <richard@freakingpenguin.com> writes:

> Hi Guix!
>
> When generating a VisionFive2 system image via $ guix system image
> gnu/system/images/visionfive2.scm --no-grafts --target=riscv64-linux-gnu
> and attempting to boot from MMC2, the SD card U-boot fails to boot
> Linux.
>
> (Pretty sure --target= is gratuitous but I kept it.)
>
> This occurs despite setting and saving the ftdfile variable as described
> in the instructions:
>
> --8<---------------cut here---------------start------------->8---
> ;;; Commentary:
> ;;;
> ;;; VisionFive2 can boot from MMC1 (SPI flash) or MMC2 (SD card) selected
> ;;; by DIP switches MSEL[1:0], you may want boot from MMC2 to use the
> ;;; U-Boot from Guix System instead of the vendor U-Boot in MMC1.  Before
> ;;; doing so, make sure you have a correct 'fdtfile' in the environment:
> ;;;
> ;;; uboot> setenv fdtfile starfive/jh7110-starfive-visionfive-2-v1.3b.dtb
> ;;; uboot> saveenv
> --8<---------------cut here---------------end--------------->8---
>
> --8<---------------cut here---------------start------------->8---
> # Confirming the variable is set after reboot using the U-boot console:
> StarFive # printenv fdtfile
> fdtfile=starfive/jh7110-starfive-visionfive-2-v1.3b.dtb
> --8<---------------cut here---------------end--------------->8---


hello!, can you try boot from mmc1, and do setenv and saveenv on mmc1
uboot, then reset and boot from mmc2?
>
> The system /does/ boot into Linux if SPI Flash is selected as a boot
> source, although since the onboard bootloader is outdated the system
> only sees 4 GiB of RAM [1].
>
> Attached is the full failing boot log. Here are the highlights:
>
> --8<---------------cut here---------------start------------->8---
> U-Boot SPL 2024.01 (Jan 01 1970 - 00:00:01 +0000)
> DDR version: dc2e84f0.
> Trying to boot from MMC2
>
> OpenSBI v1.3
>
> ################ SNIP ################
>
> U-Boot 2024.01 (Jan 01 1970 - 00:00:01 +0000)
>
> CPU:   rv64imafdc_zba_zbb
> Model: StarFive VisionFive 2 v1.3B
> DRAM:  8 GiB
> Core:  134 devices, 26 uclasses, devicetree: board
> WDT:   Not starting watchdog@13070000
> MMC:   mmc@16010000: 0, mmc@16020000: 1
> Loading Environment from SPIFlash... SF: Detected gd25lq128 with page size 256 Bytes, erase size 4 KiB, total 16 MiB
> OK
> StarFive EEPROM format v2
>
> ################ SNIP ################
>
> starfive_7110_pcie pcie@2b000000: Starfive PCIe bus probed.
> starfive_7110_pcie pcie@2c000000: Starfive PCIe bus probed.
> In:    serial@10000000
> Out:   serial@10000000
> Err:   serial@10000000
> Net:   eth0: ethernet@16030000, eth1: ethernet@16040000
> libfdt fdt_check_header(): FDT_ERR_BADMAGIC
> Card did not respond to voltage select! : -110
> Card did not respond to voltage select! : -110
> bootmode flash device 0
> Card did not respond to voltage select! : -110
> Hit any key to stop autoboot:  0 
> Card did not respond to voltage select! : -110
> ** Bad device specification mmc 0 **
> Couldn't find partition mmc 0:3
> Can't set block device
> Importing environment from mmc0 ...
> ## Warning: Input data exceeds 1048576 bytes - truncated
> ## Info: input data size = 1048578 = 0x100002
> Can't set block device
> ## Warning: defaulting to text format
> ## Error: "boot2" not defined
> Card did not respond to voltage select! : -110
> ethernet@16030000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> phy_startup() failed: -110FAILED: -110ethernet@16040000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> phy_startup() failed: -110FAILED: -110ethernet@16030000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> phy_startup() failed: -110FAILED: -110ethernet@16040000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> phy_startup() failed: -110FAILED: -110StarFive # 
> StarFive # 
> --8<---------------cut here---------------end--------------->8---
>
> Guix Describe:
>
> --8<---------------cut here---------------start------------->8---
> Generation 77	May 24 2024 00:15:41	(current)
>   guix 9901416
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: 9901416233867233192b63fde7f616751127b189
> --8<---------------cut here---------------end--------------->8---
>
> [2. VisionFive2 U-boot failure --- text/plain; visionfive2-u-boot-failure.log]...
>
>
> [1]: https://github.com/starfive-tech/VisionFive2/issues/20

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