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author | Palmer Dabbelt <palmer@rivosinc.com> | 2024-01-10 18:04:08 +0300 |
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committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-01-11 18:36:27 +0300 |
commit | 951df4eb817cbb23fcac9e61de3ef4f8ca2c1a1d (patch) | |
tree | 51c04f41b771a9f4205b9e8d80adc0f8717f124f /Documentation/devicetree/bindings/riscv | |
parent | 4dc4af9ce32681fbd16aa0e757ccba341cc9d4ca (diff) | |
parent | 50942ad6ddb57d3cfe2e4fc1f08714d54b2565ef (diff) | |
download | linux-951df4eb817cbb23fcac9e61de3ef4f8ca2c1a1d.tar.xz |
Merge patch series "RISC-V SBI debug console extension support"
Anup Patel <apatel@ventanamicro.com> says:
The SBI v2.0 specification is now frozen. The SBI v2.0 specification defines
SBI debug console (DBCN) extension which replaces the legacy SBI v0.1
functions sbi_console_putchar() and sbi_console_getchar().
(Refer v2.0-rc5 at https://github.com/riscv-non-isa/riscv-sbi-doc/releases)
This series adds support for SBI debug console (DBCN) extension in
Linux RISC-V.
To try these patches with KVM RISC-V, use KVMTOOL from the
riscv_zbx_zicntr_smstateen_condops_v1 branch at:
https://github.com/avpatel/kvmtool.git
* b4-shazam-merge:
RISC-V: Enable SBI based earlycon support
tty: Add SBI debug console support to HVC SBI driver
tty/serial: Add RISC-V SBI debug console based earlycon
RISC-V: Add SBI debug console helper routines
RISC-V: Add stubs for sbi_console_putchar/getchar()
Link: https://lore.kernel.org/r/20231124070905.1043092-1-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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