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authorSimon Glass <sjg@chromium.org>2017-05-22 05:05:23 -0600
committerTom Rini <trini@konsulko.com>2017-06-05 14:13:04 -0400
commitc87dc38d8f860710f5f624d9dae6cefded285b8d (patch)
treee109a9299c541839a03867320941ae098f9c7975 /include/bootstage.h
parent9fb34b01f7757ed772b77dd90e463c6e7499fef8 (diff)
bootstage: Require timer_get_boot_us() to be defined
At present we provide a default version of this function for use by bootstage. However it uses the system timer and therefore likely requires driver model. This makes it impossible to time driver-model init. Drop the function and require boards to provide their own. Add a sandbox version also. There is a default implememtation in lib/time.c for boards which use CONFIG_SYS_TIMER_COUNTER. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/bootstage.h')
-rw-r--r--include/bootstage.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/bootstage.h b/include/bootstage.h
index a589be6316..6ee923c2eb 100644
--- a/include/bootstage.h
+++ b/include/bootstage.h
@@ -2,6 +2,7 @@
* This file implements recording of each stage of the boot process. It is
* intended to implement timing of each stage, reporting this information
* to the user and passing it to the OS for logging / further analysis.
+ * Note that it requires timer_get_boot_us() to be defined by the board
*
* Copyright (c) 2011 The Chromium OS Authors.
*
@@ -209,7 +210,7 @@ enum bootstage_id {
/*
* Return the time since boot in microseconds, This is needed for bootstage
* and should be defined in CPU- or board-specific code. If undefined then
- * millisecond resolution will be used (the standard get_timer()).
+ * you will get a link error.
*/
ulong timer_get_boot_us(void);