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-rw-r--r--src/include/timestamp.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/include/timestamp.h b/src/include/timestamp.h
index 04d5c12761..951032c1e7 100644
--- a/src/include/timestamp.h
+++ b/src/include/timestamp.h
@@ -21,12 +21,10 @@
#if CONFIG(COLLECT_TIMESTAMPS)
/*
- * timestamp_init() needs to be called once for each of these cases:
- * 1. __PRE_RAM__ (bootblock, romstage, verstage, etc) and
- * 2. !__PRE_RAM__ (ramstage)
- * The latter is taken care of by the generic coreboot infrastructure so
- * it's up to the chipset/arch to call timestamp_init() in *one* of
- * the __PRE_RAM__ stages. If multiple calls are made timestamps will be lost.
+ * timestamp_init() needs to be called once in *one* of the ENV_ROMSTAGE_OR_BEFORE
+ * stages (bootblock, romstage, verstage, etc). It's up to the chipset/arch
+ * to make the call in the earliest stage, otherwise some timestamps will be lost.
+ * For x86 ENV_ROMSTAGE call must be made before CAR is torn down.
*/
void timestamp_init(uint64_t base);
/*