Support for Banana Pi BPI-P2 Zero

[Martin Thomas]

Hi,

I found a solution. I had to use
CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-bananapi-m2-zero"

This defconfig works!

Best regards

Martin


Am 28.10.22 um 20:38 schrieb Martin Thomas:
> 
> Hi Developers,
> 
> 
> I am struggling with the u-boot for the Banana Pi BPI-P2 Zero.
> I used this defconfig but it has problems with at least the mmc card:
> 
> CONFIG_ARM=y
> CONFIG_ARCH_SUNXI=y
> CONFIG_DEFAULT_DEVICE_TREE="sun8i-h3-bananapi-m2-plus-v1.2"
> CONFIG_SPL=y
> CONFIG_MACH_SUN8I_H3=y
> CONFIG_DRAM_CLK=408
> CONFIG_MMC0_CD_PIN=""
> CONFIG_MMC_SUNXI_SLOT_EXTRA=2
> # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
> CONFIG_PREBOOT=""
> # CONFIG_SYS_DEVICE_NULLDEV is not set
> CONFIG_SPL_STACK=0x8000
> CONFIG_SYS_PBSIZE=1024
> CONFIG_SUN8I_EMAC=y
> CONFIG_USB_EHCI_HCD=y
> 
> 
> This is the output from serial:
> U-Boot SPL 2022.10 (Oct 28 2022 - 20:34:40 +0200)
> DRAM: 512 MiB
> Trying to boot from MMC1
> 
> 
> U-Boot 2022.10 (Oct 28 2022 - 20:34:40 +0200) Allwinner Technology
> 
> CPU:   Allwinner H3 (SUN8I 1680)
> Model: Banana Pi BPI-M2-Plus v1.2 H3
> DRAM:  512 MiB
> Core:  68 devices, 19 uclasses, devicetree: separate
> WDT:   Not starting watchdog at 1c20ca0
> MMC:   mmc at 1c0f000: 0, mmc at 1c10000: 2, mmc at 1c11000: 1
> Loading Environment from FAT... MMC: no card present
> ** Bad device specification mmc 0 **
> In:    serial
> Out:   serial
> Err:   serial
> Net:   Could not get PHY for ethernet at 1c30000: addr 1
> No ethernet found.
> 
> Hit any key to stop autoboot:  0
> MMC: no card present
> Card did not respond to voltage select! : -110
> starting USB...
> ...
> 
> 
> Thank you for your help!
> 
> Regards
> 
> Martin