From b26f0f924ab81e578bdbf725960e0d02643f972e Mon Sep 17 00:00:00 2001
From: Sukumar Ghorai <sukumar.ghorai@intel.com>
Date: Fri, 16 Jun 2023 10:45:11 -0700
Subject: [PATCH] mb/intel/mtlrvp: disable acpi timer for xtal shutdown

acpi timer needs to be disabled for xtal shutdown, requirement for platform
to enter deepest sleep state (s0i2.2).

BUG=b:274744845
TEST=Able to boot and verify S0ix is working

w/o this cl:
> iotools mmio_read32 0xfe0018fc
  0x0
> iotools mmio_read32 0xfe4018fc
  0x0

w/ this cl:
> iotools mmio_read32 0xfe0018fc
  0x2
> iotools mmio_read32 0xfe4018fc
  0x2

Change-Id: Ib87b7555217b6954fca98f95b86d03016cd9b783
Signed-off-by: Sukumar Ghorai <sukumar.ghorai@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75898
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/intel/mtlrvp/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mainboard/intel/mtlrvp/Kconfig b/src/mainboard/intel/mtlrvp/Kconfig
index 4f4526e0c6..e27eed9990 100644
--- a/src/mainboard/intel/mtlrvp/Kconfig
+++ b/src/mainboard/intel/mtlrvp/Kconfig
@@ -122,4 +122,7 @@ config UART_FOR_CONSOLE
 	int
 	default 0
 
+config USE_PM_ACPI_TIMER
+	default n
+
 endif # BOARD_INTEL_MTLRVP_COMMON