[U-Boot] [PATCH v4 02/25] dm: cpu: Add timebase frequency to the platdata

Bin Meng bmeng.cn at gmail.com
Wed Dec 12 07:11:03 UTC 2018


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 at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Lukas Auer <lukas.auer at aisec.fraunhofer.de>

---

Changes in v4: None
Changes in v3: None
Changes in v2:
- Use 'Hz' instead of 'HZ'

 include/cpu.h | 3 +++
 1 file changed, 3 insertions(+)

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 @@ struct cpu_platdata {
 	ulong device_id;
 	u16 family;
 	u32 id[2];
+	u32 timebase_freq;
 };
 
 /* CPU features - mostly just a placeholder for now */
-- 
2.7.4



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