Ubuntu
u-boot package

  1. Bug #1941622
  2. Comment #2

Comment 2 for bug 1941622

Revision history for this message
Heinrich Schuchardt (xypron) wrote : Re: Bump unmatched CPU clock rate to 1.5GHz

The relevant U-Boot patch to change the CPU max temperature to 85 °C (in U-Boot) is here:

https://github.com/sifive/meta-sifive/blob/2021.08/recipes-bsp/u-boot/files/unmatched/0012-board-sifive-spl-Set-remote-thermal-of-TMP451-to-85-.patch

This patch has not been sent upstream yet.

For the HiFive Unleashed there is a patch series defining multiple operating points that has been rejected by upstream. I did not see the same for the HiFive Unmatched:

[PATCH 0/3] Dynamic CPU frequency switching for the HiFive
https://lore.kernel<email address hidden>/
https://github.com/sifive/meta-sifive/blob/2021.08/recipes-kernel/linux/files/0010-riscv-sifive-unleashed-define-opp-table-cpufreq.patch