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authorLijian Zhao <lijian.zhao@intel.com>2016-09-06 18:48:19 -0700
committerMartin Roth <martinroth@google.com>2016-09-28 22:01:01 +0200
commit28821dbb2261267462a7e9b0cc1c23b51af2d3ee (patch)
tree98c2e5ea5d58afb11579c3bc4adeed895a576480 /src/soc
parent9108680c1c17ec539bbba9525b6d9d62e57d296a (diff)
downloadcoreboot-28821dbb2261267462a7e9b0cc1c23b51af2d3ee.tar.xz
soc/intel/apollolake: Add pmc_ipc device support
A dedicated pmc_ipc DSDT entry is required for pmc_ipc kernel driver. The ACPI mode entry includes resources for PMC_IPC1, SRAM, ACPI IO and Punit Mailbox. BRANCH=None BUG=chrome-os-partner:57364 TEST=Boot up into OS successfully and check with dmesg to see the driver has been loaded successfully without errors. Change-Id: I3f60999ab90962c4ea0a444812e4a7dcce1da5b6 Signed-off-by: Zhao, Lijian <lijian.zhao@intel.com> Reviewed-on: https://review.coreboot.org/16649 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/apollolake/acpi/pmc_ipc.asl57
-rw-r--r--src/soc/intel/apollolake/acpi/southbridge.asl3
2 files changed, 60 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/acpi/pmc_ipc.asl b/src/soc/intel/apollolake/acpi/pmc_ipc.asl
new file mode 100644
index 0000000000..b89bebf5da
--- /dev/null
+++ b/src/soc/intel/apollolake/acpi/pmc_ipc.asl
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ *
+ * 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.
+ */
+
+#include <soc/iomap.h>
+
+#define MAILBOX_DATA 0x7080
+#define MAILBOX_INTF 0x7084
+#define PMIO_LENGTH 0x80
+
+Device (IPC1)
+{
+ Name (_HID, "INT34D2")
+ Name (_CID, "INT34D2")
+ Name (_DDN, "Intel(R) IPC1 Controller")
+ Name (RBUF, ResourceTemplate ()
+ {
+ Memory32Fixed (ReadWrite, 0x0, 0x2000, IBAR)
+ Memory32Fixed (ReadWrite, 0x0, 0x4, MDAT)
+ Memory32Fixed (ReadWrite, 0x0, 0x4, MINF)
+ IO (Decode16, ACPI_PMIO_BASE, ACPI_PMIO_BASE + PMIO_LENGTH,
+ 0x04, PMIO_LENGTH)
+ Memory32Fixed (ReadWrite, 0x0, 0x2000, SBAR)
+ Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive, , , )
+ {
+ PMC_INT
+ }
+ })
+
+ Method (_CRS, 0x0, NotSerialized)
+ {
+ CreateDwordField (^RBUF, ^IBAR._BAS, IBAS)
+ Store (PMC_BAR0, IBAS)
+
+ CreateDwordField (^RBUF, ^MDAT._BAS, MDBA)
+ Store (MCH_BASE_ADDR + MAILBOX_DATA, MDBA)
+ CreateDwordField (^RBUF, ^MINF._BAS, MIBA)
+ Store (MCH_BASE_ADDR + MAILBOX_INTF, MIBA)
+
+ CreateDwordField (^RBUF, ^SBAR._BAS, SBAS)
+ Store (PMC_SRAM_BASE_0, SBAS)
+
+ Return (^RBUF)
+ }
+}
diff --git a/src/soc/intel/apollolake/acpi/southbridge.asl b/src/soc/intel/apollolake/acpi/southbridge.asl
index 1c10f1a5ed..f2b09c74eb 100644
--- a/src/soc/intel/apollolake/acpi/southbridge.asl
+++ b/src/soc/intel/apollolake/acpi/southbridge.asl
@@ -40,6 +40,9 @@ Scope (\_SB)
#include "xhci.asl"
+/* PMC IPC */
+#include "pmc_ipc.asl"
+
/* LPC */
#include "lpc.asl"