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| author | Sunil V L <sunilvl@ventanamicro.com> | 2023-05-15 11:19:15 +0530 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-06-01 08:45:03 -0700 |
| commit | 724f4c0df7665a1bb9cb105a20131dfca5c032dd (patch) | |
| tree | ba7bb370566dc8e1e8989894421e7a2b38e65ea0 /Documentation/admin-guide | |
| parent | 8b7809e289524e02f8f0755ca632ea9e9aefbd0e (diff) | |
| download | linux-stable-724f4c0df7665a1bb9cb105a20131dfca5c032dd.tar.gz linux-stable-724f4c0df7665a1bb9cb105a20131dfca5c032dd.tar.bz2 linux-stable-724f4c0df7665a1bb9cb105a20131dfca5c032dd.zip | |
RISC-V: Add ACPI initialization in setup_arch()
Initialize the ACPI core for RISC-V during boot.
ACPI tables and interpreter are initialized based on
the information passed from the firmware and the value of
the kernel parameter 'acpi'.
With ACPI support added for RISC-V, the kernel parameter 'acpi'
is also supported on RISC-V. Hence, update the documentation.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230515054928.2079268-9-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9e5bab29685f..d910fba25f2c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1,17 +1,17 @@ - acpi= [HW,ACPI,X86,ARM64] + acpi= [HW,ACPI,X86,ARM64,RISCV64] Advanced Configuration and Power Interface Format: { force | on | off | strict | noirq | rsdt | copy_dsdt } force -- enable ACPI if default was off - on -- enable ACPI but allow fallback to DT [arm64] + on -- enable ACPI but allow fallback to DT [arm64,riscv64] off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing strict -- Be less tolerant of platforms that are not strictly ACPI specification compliant. rsdt -- prefer RSDT over (default) XSDT copy_dsdt -- copy DSDT to memory - For ARM64, ONLY "acpi=off", "acpi=on" or "acpi=force" - are available + For ARM64 and RISCV64, ONLY "acpi=off", "acpi=on" or + "acpi=force" are available See also Documentation/power/runtime_pm.rst, pci=noacpi |