diff mbox series

[v5,6/8] ppc/pnv: Add ChipTOD model for Power11

Message ID 20250308205141.3219333-7-adityag@linux.ibm.com (mailing list archive)
State New
Headers show
Series Power11 support for QEMU [PowerNV] | expand

Commit Message

Aditya Gupta March 8, 2025, 8:51 p.m. UTC 
Power11 core is same as Power10. Introduce Power11 ChipTod, which relies
on the common PnvChipTOD, similar to Power10's ChipTOD.

Cc: Cédric Le Goater <clg@kaod.org>
Cc: Frédéric Barrat <fbarrat@linux.ibm.com>
Cc: Mahesh J Salgaonkar <mahesh@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
---
 hw/ppc/pnv_chiptod.c         | 37 ++++++++++++++++++++++++++++++++++++
 include/hw/ppc/pnv_chiptod.h |  2 ++
 2 files changed, 39 insertions(+)
diff mbox series

Patch

diff --git a/hw/ppc/pnv_chiptod.c b/hw/ppc/pnv_chiptod.c
index c8987ae67a2a..b5e1a2c24647 100644
--- a/hw/ppc/pnv_chiptod.c
+++ b/hw/ppc/pnv_chiptod.c
@@ -520,6 +520,42 @@  static const TypeInfo pnv_chiptod_power10_type_info = {
     }
 };
 
+static int pnv_chiptod_power11_dt_xscom(PnvXScomInterface *dev, void *fdt,
+                             int xscom_offset)
+{
+    const char compat[] = "ibm,power-chiptod\0ibm,power11-chiptod";
+
+    return pnv_chiptod_dt_xscom(dev, fdt, xscom_offset, compat, sizeof(compat));
+}
+
+static void pnv_chiptod_power11_class_init(ObjectClass *klass, void *data)
+{
+    PnvChipTODClass *pctc = PNV_CHIPTOD_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PnvXScomInterfaceClass *xdc = PNV_XSCOM_INTERFACE_CLASS(klass);
+
+    dc->desc = "PowerNV ChipTOD Controller (POWER11)";
+    device_class_set_props(dc, pnv_chiptod_properties);
+
+    xdc->dt_xscom = pnv_chiptod_power11_dt_xscom;
+
+    pctc->broadcast_ttype = chiptod_power10_broadcast_ttype;
+    pctc->tx_ttype_target = chiptod_power10_tx_ttype_target;
+
+    pctc->xscom_size = PNV_XSCOM_CHIPTOD_SIZE;
+}
+
+static const TypeInfo pnv_chiptod_power11_type_info = {
+    .name          = TYPE_PNV11_CHIPTOD,
+    .parent        = TYPE_PNV_CHIPTOD,
+    .instance_size = sizeof(PnvChipTOD),
+    .class_init    = pnv_chiptod_power11_class_init,
+    .interfaces    = (InterfaceInfo[]) {
+        { TYPE_PNV_XSCOM_INTERFACE },
+        { }
+    }
+};
+
 static void pnv_chiptod_reset(void *dev)
 {
     PnvChipTOD *chiptod = PNV_CHIPTOD(dev);
@@ -579,6 +615,7 @@  static void pnv_chiptod_register_types(void)
     type_register_static(&pnv_chiptod_type_info);
     type_register_static(&pnv_chiptod_power9_type_info);
     type_register_static(&pnv_chiptod_power10_type_info);
+    type_register_static(&pnv_chiptod_power11_type_info);
 }
 
 type_init(pnv_chiptod_register_types);
diff --git a/include/hw/ppc/pnv_chiptod.h b/include/hw/ppc/pnv_chiptod.h
index fde569bcbfa9..466b06560a28 100644
--- a/include/hw/ppc/pnv_chiptod.h
+++ b/include/hw/ppc/pnv_chiptod.h
@@ -17,6 +17,8 @@  OBJECT_DECLARE_TYPE(PnvChipTOD, PnvChipTODClass, PNV_CHIPTOD)
 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)
+#define TYPE_PNV11_CHIPTOD TYPE_PNV_CHIPTOD "-POWER11"
+DECLARE_INSTANCE_CHECKER(PnvChipTOD, PNV11_CHIPTOD, TYPE_PNV11_CHIPTOD)
 
 enum tod_state {
     tod_error = 0,