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dm: cpu: Add timebase frequency to the platdata

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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>
This commit is contained in:
Bin Meng
2018-12-12 06:12:24 -08:00
committed by Andes
parent 8176ea4d58
commit b859694776
1 changed files with 3 additions and 0 deletions
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3
include/cpu.h
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@@ -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 @@ struct cpu_platdata {
ulong device_id;
u16 family;
u32 id[2];
u32 timebase_freq;
};
/* CPU features - mostly just a placeholder for now */