From cd236304991997abf5bb297fb377dd6e13800a37 Mon Sep 17 00:00:00 2001 From: Sunil V L Date: Mon, 28 Oct 2024 11:13:08 +0530 Subject: [PATCH] Remove allowing deprecated legacy SBI console (ARC #203) Remove text around supporting deprecated SBI legacy console. Fixes: https://github.com/riscv-non-isa/riscv-brs/issues/203 Closes: https://github.com/riscv-non-isa/riscv-brs/issues/203 Signed-off-by: Sunil V L --- non-normative/acpi.adoc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/non-normative/acpi.adoc b/non-normative/acpi.adoc index 3867673..6044fab 100644 --- a/non-normative/acpi.adoc +++ b/non-normative/acpi.adoc @@ -166,8 +166,8 @@ a DSDT/SSDT MMIO device object without making the OS aware of the underlying PCI Early serial console can be implemented using either an NS16550 UART (SPCR `Interface Type` 0x12) or SBI console (SPCR `Interface Type` 0x15). When SPCR describes SBI console, the OS must use -the SBI Probe extension (`FID #3`) to detect the appropriate facilities, e.g. the Debug Console Extension -(`DBCN`) or the deprecated legacy console EIDs. +the SBI Probe extension (`FID #3`) to detect the Debug Console Extension +(`DBCN`). The new `Precise Baud Rate` field, introduced in cite:[SPCR] rev. 4, allows describing rates faster than 115200 baud for NS16550-compatible UARTS.