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-rw-r--r--src/soc/intel/tigerlake/acpi/ish.asl22
-rw-r--r--src/soc/intel/tigerlake/acpi/southbridge.asl3
-rw-r--r--src/soc/intel/tigerlake/chip.c1
-rw-r--r--src/soc/intel/tigerlake/romstage/fsp_params_tgl.c7
4 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/acpi/ish.asl b/src/soc/intel/tigerlake/acpi/ish.asl
new file mode 100644
index 0000000000..186a147f44
--- /dev/null
+++ b/src/soc/intel/tigerlake/acpi/ish.asl
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2019 Google LLC.
+ *
+ * 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.
+ */
+
+/* Intel Integrated Sensor Hub Controller 0:12.0 */
+
+Device (ISHB)
+{
+ Name (_ADR, 0x00120000)
+ Name (_DDN, "Integrated Sensor Hub Controller")
+}
diff --git a/src/soc/intel/tigerlake/acpi/southbridge.asl b/src/soc/intel/tigerlake/acpi/southbridge.asl
index 9d25a735f5..1403eb4b13 100644
--- a/src/soc/intel/tigerlake/acpi/southbridge.asl
+++ b/src/soc/intel/tigerlake/acpi/southbridge.asl
@@ -49,6 +49,9 @@
/* SMBus 0:1f.4 */
#include "smbus.asl"
+/* ISH 0:12.0 */
+#include "ish.asl"
+
/* USB XHCI 0:14.0 */
#include "xhci.asl"
diff --git a/src/soc/intel/tigerlake/chip.c b/src/soc/intel/tigerlake/chip.c
index 6f6e153ca6..dc36da34c4 100644
--- a/src/soc/intel/tigerlake/chip.c
+++ b/src/soc/intel/tigerlake/chip.c
@@ -71,6 +71,7 @@ const char *soc_acpi_name(const struct device *dev)
switch (dev->path.pci.devfn) {
case SA_DEVFN_ROOT: return "MCHC";
+ case PCH_DEVFN_ISH: return "ISHB";
case PCH_DEVFN_XHCI: return "XHCI";
case PCH_DEVFN_I2C0: return "I2C0";
case PCH_DEVFN_I2C1: return "I2C1";
diff --git a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
index c5629a51c6..b46f3a3f10 100644
--- a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
+++ b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
@@ -89,6 +89,13 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
else
m_cfg->InternalGfx = 0x1;
+ /* ISH */
+ dev = pcidev_path_on_root(PCH_DEVFN_ISH);
+ if (!dev || !dev->enabled)
+ m_cfg->PchIshEnable = 0;
+ else
+ m_cfg->PchIshEnable = 1;
+
/* DP port config */
m_cfg->DdiPortAConfig = config->DdiPortAConfig;
m_cfg->DdiPortBConfig = config->DdiPortBConfig;