dm: cpu: Add timebase frequency to the platdata
This adds a timebase_freq member to the 'struct cpu_platdata', to
hold the "timebase-frequency" value in the cpu or /cpus node.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
diff --git a/include/cpu.h b/include/cpu.h
index 367c5f4..28dd48f 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -14,6 +14,8 @@
* @device_id: Driver-defined device identifier
* @family: DMTF CPU Family identifier
* @id: DMTF CPU Processor identifier
+ * @timebase_freq: the current frequency at which the cpu timer timebase
+ * registers are updated (in Hz)
*
* This can be accessed with dev_get_parent_platdata() for any UCLASS_CPU
* device.
@@ -24,6 +26,7 @@
ulong device_id;
u16 family;
u32 id[2];
+ u32 timebase_freq;
};
/* CPU features - mostly just a placeholder for now */