1 files changed, 92 insertions, 0 deletions
diff --git a/zephyr/projects/trogdor/lazor/src/sku.c b/zephyr/projects/trogdor/lazor/src/sku.c
new file mode 100644
index 0000000000..1d88437031
--- /dev/null
+++ b/zephyr/projects/trogdor/lazor/src/sku.c
@@ -0,0 +1,92 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "common.h"
+#include "config.h"
+#include "console.h"
+#include "driver/ln9310.h"
+#include "tcpm/ps8xxx_public.h"
+#include "hooks.h"
+#include "sku.h"
+#include "system.h"
+#include "util.h"
+
+#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ##args)
+#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ##args)
+
+static uint8_t sku_id;
+
+enum board_model {
+	LAZOR,
+	LIMOZEEN,
+	UNKNOWN,
+};
+
+static const char *const model_name[] = {
+	"LAZOR",
+	"LIMOZEEN",
+	"UNKNOWN",
+};
+
+static enum board_model get_model(void)
+{
+	if (sku_id == 0 || sku_id == 1 || sku_id == 2 || sku_id == 3)
+		return LAZOR;
+	if (sku_id == 4 || sku_id == 5 || sku_id == 6)
+		return LIMOZEEN;
+	return UNKNOWN;
+}
+
+/* Read SKU ID from GPIO and initialize variables for board variants */
+static void sku_init(void)
+{
+	sku_id = system_get_sku_id();
+	CPRINTS("SKU: %u (%s)", sku_id, model_name[get_model()]);
+}
+DECLARE_HOOK(HOOK_INIT, sku_init, HOOK_PRIO_POST_I2C);
+
+enum battery_cell_type board_get_battery_cell_type(void)
+{
+	switch (get_model()) {
+	case LIMOZEEN:
+		return BATTERY_CELL_TYPE_3S;
+	default:
+		return BATTERY_CELL_TYPE_UNKNOWN;
+	}
+}
+
+int board_is_clamshell(void)
+{
+	return get_model() == LIMOZEEN;
+}
+
+__override uint16_t board_get_ps8xxx_product_id(int port)
+{
+	/*
+	 * Lazor (SKU_ID: 0, 1, 2, 3) rev 3+ changes TCPC from PS8751 to
+	 * PS8805.
+	 *
+	 * Limozeen (SKU_ID: 4, 5, 6) all-rev uses PS8805.
+	 */
+	if (get_model() == LAZOR && system_get_board_version() < 3)
+		return PS8751_PRODUCT_ID;
+
+	return PS8805_PRODUCT_ID;
+}
+
+int board_has_da9313(void)
+{
+	return get_model() == LAZOR;
+}
+
+int board_has_buck_ic(void)
+{
+	return get_model() == LIMOZEEN && system_get_board_version() >= 8;
+}
+
+int board_has_ln9310(void)
+{
+	return get_model() == LIMOZEEN && system_get_board_version() < 8;
+}