mb/google/deltaur: add deltaur mainboard initial support

Created a new Google baseboard using Tiger Lake named deltaur, taking
volteer as a starting point.

BUG=b:151102807
TEST=make build successful

Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: Ib98f328df22f39e7d9d625a3292954881ee15b15
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39502
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

16 files changed, 265 insertions, 0 deletions

diff --git a/src/mainboard/google/deltaur/variants/baseboard/Makefile.inc b/src/mainboard/google/deltaur/variants/baseboard/Makefile.inc
new file mode 100644
index 0000000000..937cb4628f
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/Makefile.inc
@@ -0,0 +1,11 @@
+##
+## This file is part of the coreboot project.
+##
+## SPDX-License-Identifier: GPL-2.0-or-later
+##
+
+bootblock-y += gpio.c
+
+ramstage-y += gpio.c
+
+verstage-y += gpio.c
diff --git a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
new file mode 100644
index 0000000000..a4031622ef
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/tigerlake
+
+	device cpu_cluster 0 on
+		device lapic 0 on end
+	end
+end
diff --git a/src/mainboard/google/deltaur/variants/baseboard/gpio.c b/src/mainboard/google/deltaur/variants/baseboard/gpio.c
new file mode 100644
index 0000000000..3951ce0b5d
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/gpio.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+
+};
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+
+};
+
+const struct pad_config *__weak variant_base_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+const struct pad_config *__weak variant_override_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
+const struct pad_config *__weak variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+
+};
+
+const struct cros_gpio *__weak variant_cros_gpios(size_t *num)
+{
+	*num = ARRAY_SIZE(cros_gpios);
+	return cros_gpios;
+}
diff --git a/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/ec.h
new file mode 100644
index 0000000000..3825cc8824
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/ec.h
@@ -0,0 +1,14 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __MAINBOARD_EC_H__
+#define __MAINBOARD_EC_H__
+
+
+
+
+
+#endif /* __MAINBOARD_EC_H__ */
diff --git a/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/gpio.h
new file mode 100644
index 0000000000..8411900243
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/gpio.h
@@ -0,0 +1,13 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __BASEBOARD_GPIO_H__
+#define __BASEBOARD_GPIO_H__
+
+#include <soc/gpio.h>
+
+
+#endif /* BASEBOARD_GPIO_H */
diff --git a/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h
new file mode 100644
index 0000000000..1d8a934ecc
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/baseboard/include/baseboard/variants.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __BASEBOARD_VARIANTS_H__
+#define __BASEBOARD_VARIANTS_H__
+
+#include <soc/gpio.h>
+#include <stddef.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+/*
+ * The next set of functions return the gpio table and fill in the number of
+ * entries for each table.
+ */
+const struct pad_config *variant_base_gpio_table(size_t *num);
+const struct pad_config *variant_early_gpio_table(size_t *num);
+const struct pad_config *variant_override_gpio_table(size_t *num);
+
+const struct cros_gpio *variant_cros_gpios(size_t *num);
+
+#endif /* __BASEBOARD_VARIANTS_H__ */
diff --git a/src/mainboard/google/deltaur/variants/deltan/Makefile.inc b/src/mainboard/google/deltaur/variants/deltan/Makefile.inc
new file mode 100644
index 0000000000..ea0d5f0157
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltan/Makefile.inc
@@ -0,0 +1,9 @@
+##
+## This file is part of the coreboot project.
+##
+##
+## SPDX-License-Identifier: GPL-2.0-or-later
+##
+
+bootblock-y += gpio.c
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/deltaur/variants/deltan/gpio.c b/src/mainboard/google/deltaur/variants/deltan/gpio.c
new file mode 100644
index 0000000000..30315bbc2e
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltan/gpio.c
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+
+};
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
diff --git a/src/mainboard/google/deltaur/variants/deltan/include/variant/ec.h b/src/mainboard/google/deltaur/variants/deltan/include/variant/ec.h
new file mode 100644
index 0000000000..7044eebf37
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltan/include/variant/ec.h
@@ -0,0 +1,15 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __VARIANT_EC_H__
+#define __VARIANT_EC_H__
+
+#include <baseboard/ec.h>
+
+/* eSPI virtual wire reporting */
+#define EC_SCI_GPI              GPE0_ESPI
+
+#endif
diff --git a/src/mainboard/google/deltaur/variants/deltan/include/variant/gpio.h b/src/mainboard/google/deltaur/variants/deltan/include/variant/gpio.h
new file mode 100644
index 0000000000..a1e37894e8
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltan/include/variant/gpio.h
@@ -0,0 +1,14 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+/* Copied from baseboard and may need to change for the new variant. */
+
+#endif
diff --git a/src/mainboard/google/deltaur/variants/deltan/overridetree.cb b/src/mainboard/google/deltaur/variants/deltan/overridetree.cb
new file mode 100644
index 0000000000..32204c58e7
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltan/overridetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/tigerlake
+
+	device domain 0 on
+	end
+
+end
diff --git a/src/mainboard/google/deltaur/variants/deltaur/Makefile.inc b/src/mainboard/google/deltaur/variants/deltaur/Makefile.inc
new file mode 100644
index 0000000000..ea0d5f0157
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltaur/Makefile.inc
@@ -0,0 +1,9 @@
+##
+## This file is part of the coreboot project.
+##
+##
+## SPDX-License-Identifier: GPL-2.0-or-later
+##
+
+bootblock-y += gpio.c
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/deltaur/variants/deltaur/gpio.c b/src/mainboard/google/deltaur/variants/deltaur/gpio.c
new file mode 100644
index 0000000000..30315bbc2e
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltaur/gpio.c
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+
+};
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
diff --git a/src/mainboard/google/deltaur/variants/deltaur/include/variant/ec.h b/src/mainboard/google/deltaur/variants/deltaur/include/variant/ec.h
new file mode 100644
index 0000000000..7044eebf37
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltaur/include/variant/ec.h
@@ -0,0 +1,15 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __VARIANT_EC_H__
+#define __VARIANT_EC_H__
+
+#include <baseboard/ec.h>
+
+/* eSPI virtual wire reporting */
+#define EC_SCI_GPI              GPE0_ESPI
+
+#endif
diff --git a/src/mainboard/google/deltaur/variants/deltaur/include/variant/gpio.h b/src/mainboard/google/deltaur/variants/deltaur/include/variant/gpio.h
new file mode 100644
index 0000000000..a1e37894e8
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltaur/include/variant/gpio.h
@@ -0,0 +1,14 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+/* Copied from baseboard and may need to change for the new variant. */
+
+#endif
diff --git a/src/mainboard/google/deltaur/variants/deltaur/overridetree.cb b/src/mainboard/google/deltaur/variants/deltaur/overridetree.cb
new file mode 100644
index 0000000000..32204c58e7
--- /dev/null
+++ b/src/mainboard/google/deltaur/variants/deltaur/overridetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/tigerlake
+
+	device domain 0 on
+	end
+
+end