mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 03:53:31 +00:00
8a0d5f2f51
The Andes PLMT driver directly accesses the mtime MMIO region, indicating its intended use in the M-mode boot stage. However, since U-Boot proper (S-mode) also uses the PLMT driver, we need to specifically mark the region as readable through PMPCFGx (or S/U-mode read-only shared data region for Smepmp) in OpenSBI. Granting permission for this case doesn't make sense. Instead, we should use the generic RISC-V timer driver to read the mtime through the TIME CSR. Therefore, we add the SPL_ANDES_PLMT_TIMER config, which ensures that the PLMT driver is linked exclusively against M-mode U-Boot or U-Boot SPL binaries. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Samuel Holland <samuel@sholland.org> |
||
---|---|---|
.. | ||
cpu | ||
dts | ||
include/asm | ||
lib | ||
config.mk | ||
Kconfig | ||
Makefile |