[Qemu-devel] [PATCH 4/4][seabios] ec: add ASL for ACPI Embedded Controller

[liguang]

Signed-off-by: liguang <address@hidden>
---
 src/acpi-dsdt.dsl     |    1 +
 src/ec.dsl            |   51 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/q35-acpi-dsdt.dsl |    1 +
 3 files changed, 53 insertions(+), 0 deletions(-)
 create mode 100644 src/ec.dsl

diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl
index 158f6b4..4fa2b9a 100644
--- a/src/acpi-dsdt.dsl
+++ b/src/acpi-dsdt.dsl
@@ -112,6 +112,7 @@ DefinitionBlock (
             }
             Name(FDEN, 1)
         }
+#include "ec.dsl"
     }
 
 #include "acpi-dsdt-isa.dsl"
diff --git a/src/ec.dsl b/src/ec.dsl
new file mode 100644
index 0000000..c8be420
--- /dev/null
+++ b/src/ec.dsl
@@ -0,0 +1,51 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Device (EC0)
+{
+       Name(_HID, EISAID ("PNP0C09"))
+       Name(_UID, 1)
+
+       Method(_CRS, 0)
+       {
+               Name(BFFR, ResourceTemplate()
+               {
+                       IO(Decode16, 0x62, 0x62, 0, 1)          // ACPI DATA 
IN/OUT
+                       IO(Decode16, 0x66, 0x66, 0, 1)          // CMD/STS
+               })
+               Return(BFFR)
+       }
+
+       OperationRegion(ECFD, EmbeddedControl, 0, 0xFF)
+       Field(ECFD, ByteAcc, Lock, Preserve)
+       {       Offset(1),
+               CPUS,   8,              // 1, CPU status
+               CPUN,   8,              // 2, CPU index
+       }
+
+       Name(_GPE, 17)
+
+       Method(_Q01)
+       {
+               If(LEqual(1, CPUS))
+               {
+                       Store(0, CPUS)
+               }
+               Else
+               {
+                       Store(1, CPUS)
+               }
+       }
+}
diff --git a/src/q35-acpi-dsdt.dsl b/src/q35-acpi-dsdt.dsl
index c031d83..056b4f8 100644
--- a/src/q35-acpi-dsdt.dsl
+++ b/src/q35-acpi-dsdt.dsl
@@ -167,6 +167,7 @@ DefinitionBlock (
                 FDEN,   1
             }
         }
+#include "ec.dsl"
     }
 
 #include "acpi-dsdt-isa.dsl"
-- 
1.7.2.5