[Skiboot] [PATCH v5 7/9] Device-Tree entry for max dimm rate
Madhavan Srinivasan
maddy at linux.vnet.ibm.com
Thu Sep 3 19:22:34 AEST 2015
Create a device tree entry to pass max dimm rate. This is needed in
% memory bandwidth utilisation metrics calculation.
Signed-off-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>
---
hw/nest.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/hw/nest.c b/hw/nest.c
index b75a5b3a1efc..03f5e9c952c0 100644
--- a/hw/nest.c
+++ b/hw/nest.c
@@ -434,6 +434,28 @@ void nest_pmu_init(int loaded)
*/
if (detect_nest_units(chip_dev))
goto fail;
+
+ /*
+ * dimm rate device tree entry. Needed for
+ * % utilisation calculation.
+ */
+ switch (chip->type) {
+ case PROC_CHIP_P8_MURANO:
+ dt_add_property_cells(chip_dev,"max-dimm-rate",
+ MURANO_CENTAUR_DIMM);
+ break;
+ case PROC_CHIP_P8_VENICE:
+ dt_add_property_cells(chip_dev,"max-dimm-rate",
+ VENICE_CENTAUR_DIMM);
+ break;
+ case PROC_CHIP_P8_NAPLES:
+ dt_add_property_cells(chip_dev,"max-dimm-rate",
+ VENICE_CENTAUR_DIMM);
+ break;
+ default:
+ prerror("nest-counters: Unknown chip type, skipping dimm file\n");
+ break;
+ }
}
return;
--
1.9.1
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