Can't boot with the suggested 32 megs of ram

[marcsello]

I really like this project, thank you for sharing it!

I'm a novice in this field, so I followed the steps in the README. I was able to successfully build qemu and the bootrom. Sadly the linked repo for buildroot (https://github.com/newluhux/licheepi_buildroot) is no longer up, so I figured that part out myself.

However when I used the command described in the tutorial, the boot hang like this:

λ marcsello@rainbow-dash: ~/f1c100s-qemu/qemu/build (9dad5f3b57) ● > ./qemu-system-arm -M allwinner-f1c100s -nographic -m 32 -bios ../../qemu-f1c100s/bootrom/bootrom.bin -drive if=mtd,file=../../buildroot-2024.05.2/output/images/flash_small.bin,format=raw  

U-Boot SPL 2023.04 (Aug 27 2024 - 19:15:01 +0200)
DRAM: 64 MiB
Trying to boot from sunxi SPI


U-Boot 2023.04 (Aug 27 2024 - 19:15:01 +0200) Allwinner Technology

CPU:   Allwinner F Series (SUNIV)
Model: Lichee Pi Nano
DRAM:  64 MiB (effective 0 Bytes)

(after this, nothing happened)

After some failed googling, and changing random things, I've found out, that the ram size needs to be adjusted to the same amount that u-boot reports. After changing to 64MB, u-boot could proceed and boot the kernel.

Now, I know that the F1C100s only has 32 megs of ram, therefore I'm not sure what should be done here. But I wanted to bring this to your attention.