RISC-V: ACPI: Enable SPCR table for console output on RISC-V

Browse source

The ACPI SPCR code has been used to enable console output for ARM64 and
X86. The same code can be reused for RISC-V. Furthermore, SPCR table is
mandated for headless system as outlined in the RISC-V BRS
Specification, chapter 6.

Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20240502073751.102093-2-jeeheng.sia@starfivetech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

...

This commit is contained in:

Sia Jee Heng 2024-05-02 00:37:51 -07:00 • committed by Palmer Dabbelt

parent 1613e604df

commit 38738947db

No known key found for this signature in database

GPG key ID: 2E1319F35FBB1889

2 changed files with 12 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

arch/riscv/Kconfig

View file

12

arch/riscv/kernel/acpi.c

View file