soc/intel/common/block/uart: Show ACPI UART in OS
Do not hide UARTs in ACPI mode from the OS, as this prevents using them
on at least Windows. Currently, the driver is only used on the Prodrive
Hermes mainboard.
Change-Id: I01bdccff1b11e1862970c924fd5fc7718a2d6ce9
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70155
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c
index b881c58..0ca3361 100644
--- a/src/soc/intel/common/block/uart/uart.c
+++ b/src/soc/intel/common/block/uart/uart.c
@@ -253,7 +253,9 @@
acpi_device_write_uid(dev);
acpigen_write_name_string("_DDN", "LPSS ACPI UART");
- acpigen_write_STA(acpi_device_status(dev));
+
+ /* Do not hide the UART device from the OS */
+ acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON);
/* Resources */
acpigen_write_name("_CRS");