svn commit: r357916 - stable/12/sys/dev/acpica

[Konstantin Belousov]

Author: kib
Date: Fri Feb 14 13:25:37 2020
New Revision: 357916
URL: https://svnweb.freebsd.org/changeset/base/357916

Log:
  MFC r357669:
  acpi_hpet: Add Hygon Dhyana support.

Modified:
  stable/12/sys/dev/acpica/acpi_hpet.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/acpica/acpi_hpet.c
==============================================================================
--- stable/12/sys/dev/acpica/acpi_hpet.c	Fri Feb 14 13:22:38 2020	(r357915)
+++ stable/12/sys/dev/acpica/acpi_hpet.c	Fri Feb 14 13:25:37 2020	(r357916)
@@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$");
 
 #define HPET_VENDID_AMD		0x4353
 #define HPET_VENDID_AMD2	0x1022
+#define HPET_VENDID_HYGON	0x1d94
 #define HPET_VENDID_INTEL	0x8086
 #define HPET_VENDID_NVIDIA	0x10de
 #define HPET_VENDID_SW		0x1166
@@ -604,7 +605,8 @@ hpet_attach(device_t dev)
 	 * properly, that makes it very unreliable - it freezes after any
 	 * interrupt loss. Avoid legacy IRQs for AMD.
 	 */
-	if (vendor == HPET_VENDID_AMD || vendor == HPET_VENDID_AMD2)
+	if (vendor == HPET_VENDID_AMD || vendor == HPET_VENDID_AMD2 ||
+	    vendor == HPET_VENDID_HYGON)
 		sc->allowed_irqs = 0x00000000;
 	/*
 	 * NVidia MCP5x chipsets have number of unexplained interrupt