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boot hadbadge from flash
See original GitHub issueWhile the kernel boots in under 30 seconds, it currently it takes about 2 minutes to load the kernel Image and rootfs.cpio:
lxterm --images=images.json /dev/ttyUSB0 --speed=1e6 --no-crc
The badge and cartridge both have:
I want to use the built-in Flash to store the kernel and rootfs rather than load over serial.
I initially was discussing this in #35 but I wanted to start a new issue to decouple this effort from the memory access optimization that @enjoy-digital already completed in enjoy-digital/litedram@721c84b and enjoy-digital/litex@39ce39a
Issue Analytics
- State:
- Created 4 years ago
- Comments:43 (43 by maintainers)
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@pdp7: just for info, i’m looking at that currently on Arty.
Closing since working. Booting linux from flash is a bit hacky since the space is generally a limited and we don’t have a file system, making it difficult to provide a generic solution in LiteX. The hacky initial support has been removed and it’s now recommended to use a SDCard for standalone boot, but we could re-introduce Linux boot from SPI-Flash if there is a real need for it.