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[U-Boot,v2,02/20] dm: cpu: Add timebase frequency to the platdata

Message ID 1544192072-28764-3-git-send-email-bmeng.cn@gmail.com
State Superseded
Delegated to: Andes
Headers show
Series riscv: Adding RISC-V CPU and timer driver | expand

Commit Message

Bin Meng Dec. 7, 2018, 2:14 p.m. UTC 
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>

---

Changes in v2:
- Use 'Hz' instead of 'HZ'

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

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 */