Author: br
Date: Wed Jun 10 14:39:54 2020
New Revision: 362012
URL: https://svnweb.freebsd.org/changeset/base/362012
Log:
All the ARM Coresight interconnect devices set ResourceProducer on memory
resources, ignore it.
The devices found in the ARM Neoverse N1 System Development Platform
(N1SDP).
Sponsored by: DARPA, AFRL
Modified:
head/sys/dev/acpica/acpi_resource.c
Modified: head/sys/dev/acpica/acpi_resource.c
==============================================================================
--- head/sys/dev/acpica/acpi_resource.c Wed Jun 10 14:28:36 2020
(r362011)
+++ head/sys/dev/acpica/acpi_resource.c Wed Jun 10 14:39:54 2020
(r362012)
@@ -484,8 +484,16 @@ acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
if (acpi_MatchHid(handle, "ARMH0011") != ACPI_MATCHHID_NOMATCH)
arc.ignore_producer_flag = true;
- /* ARM Coresight on N1SDP set ResourceProducer on memory resources. */
- if (acpi_MatchHid(handle, "ARMHC500") != ACPI_MATCHHID_NOMATCH)
+ /*
+ * ARM Coresight on N1SDP set ResourceProducer on memory resources.
+ * Coresight devices: ETM, STM, TPIU, ETF/ETR, REP, FUN.
+ */
+ if (acpi_MatchHid(handle, "ARMHC500") != ACPI_MATCHHID_NOMATCH ||
+ acpi_MatchHid(handle, "ARMHC502") != ACPI_MATCHHID_NOMATCH ||
+ acpi_MatchHid(handle, "ARMHC979") != ACPI_MATCHHID_NOMATCH ||
+ acpi_MatchHid(handle, "ARMHC97C") != ACPI_MATCHHID_NOMATCH ||
+ acpi_MatchHid(handle, "ARMHC98D") != ACPI_MATCHHID_NOMATCH ||
+ acpi_MatchHid(handle, "ARMHC9FF") != ACPI_MATCHHID_NOMATCH)
arc.ignore_producer_flag = true;
status = AcpiWalkResources(handle, "_CRS", acpi_parse_resource, &arc);
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