1 files changed, 53 insertions, 0 deletions
diff --git a/include/hw/ppc/pnv_chiptod.h b/include/hw/ppc/pnv_chiptod.h
new file mode 100644
index 0000000000..fde569bcbf
--- /dev/null
+++ b/include/hw/ppc/pnv_chiptod.h
@@ -0,0 +1,53 @@
+/*
+ * QEMU PowerPC PowerNV Emulation of some CHIPTOD behaviour
+ *
+ * Copyright (c) 2022-2023, IBM Corporation.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef PPC_PNV_CHIPTOD_H
+#define PPC_PNV_CHIPTOD_H
+
+#include "qom/object.h"
+
+#define TYPE_PNV_CHIPTOD "pnv-chiptod"
+OBJECT_DECLARE_TYPE(PnvChipTOD, PnvChipTODClass, PNV_CHIPTOD)
+#define TYPE_PNV9_CHIPTOD TYPE_PNV_CHIPTOD "-POWER9"
+DECLARE_INSTANCE_CHECKER(PnvChipTOD, PNV9_CHIPTOD, TYPE_PNV9_CHIPTOD)
+#define TYPE_PNV10_CHIPTOD TYPE_PNV_CHIPTOD "-POWER10"
+DECLARE_INSTANCE_CHECKER(PnvChipTOD, PNV10_CHIPTOD, TYPE_PNV10_CHIPTOD)
+
+enum tod_state {
+    tod_error = 0,
+    tod_not_set = 7,
+    tod_running = 2,
+    tod_stopped = 1,
+};
+
+typedef struct PnvCore PnvCore;
+
+struct PnvChipTOD {
+    DeviceState xd;
+
+    PnvChip *chip;
+    MemoryRegion xscom_regs;
+
+    bool primary;
+    bool secondary;
+    enum tod_state tod_state;
+    uint64_t tod_error;
+    uint64_t pss_mss_ctrl_reg;
+    PnvCore *slave_pc_target;
+};
+
+struct PnvChipTODClass {
+    DeviceClass parent_class;
+
+    void (*broadcast_ttype)(PnvChipTOD *sender, uint32_t trigger);
+    PnvCore *(*tx_ttype_target)(PnvChipTOD *chiptod, uint64_t val);
+
+    int xscom_size;
+};
+
+#endif /* PPC_PNV_CHIPTOD_H */