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Boot issue on qmtech wukong #167
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Hi @SanadaShinken, the prebuilt linux_2020_12_15 is only compatible with >= 2020_12_15 bitstreams. You will have to rebuild the bitstream for your board to use it. |
Hi @enjoy-digital 👍 Yes, I did the update to 2020-1218 for all of the litex related project. wukong_boot_fail.txt wukong_boot_ok.txt is using kc705_2020_09_25.zip's Image and rootfs.cpio in the workable Image and rootfs.cpio, there are some messages about litex-spiflash show that the device did not work properly. [ 4.595471] litex-spiflash f0005800.spiflash: unrecognized JEDEC id bytes: ff, ff, ff BTW, the DDR3 memory R/W speed is very slow with compare to using the same DDR3 chip, such as like atry-7. is there any idea about improve memory access speed? BR, Sanada |
Hi @enjoy-digital : Many Thanks for Litex and @enjoy-digital !!! Greate Work!! finally, Using liunx image which built @ 20201215 is booted!! this issue could be closed. BR, Sanada |
Closing since resolved. |
Hi Sir:
when I use linux_2020_12_15.zip on qmtech wukong board, the Linux kernel will boot failed.
but using https://github.com/litex-hub/linux-on-litex-vexriscv/files/5281217/kc705_2020_09_25.zip, this version will boot successfully.
BR, Sanada
Originally posted by @SanadaShinken in #164 (comment)
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