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12 commits

Author SHA1 Message Date
Simon Glass
3786980dd3 Move bootstage timer out of lib/time.c 
The standalone example does not have get_timer() defined, so we cannot
rely on it being available.

Move the timer function into boootstage.c to avoid this problem.

This corrects a build breakage for the standalone example on some boards.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
 2012-04-10 23:35:32 +02:00
Simon Glass
3a608ca01d bootstage: Implement core microsecond boot time measurement 
This defines the basics of a new boot time measurement feature. This allows
logging of very accurate time measurements as the boot proceeds, by using
an available microsecond counter.

To enable the feature, define CONFIG_BOOTSTAGE in your board config file.
Also available is CONFIG_BOOTSTAGE_REPORT which will cause a report to be
printed just before handing off to the OS.

Most IDs are not named at this stage. For that I would first like to
renumber them all.

Timer summary in microseconds:
       Mark    Elapsed  Stage
          0          0  reset
    205,000    205,000  board_init_f
  6,053,000  5,848,000  bootm_start
  6,053,000          0  id=1
  6,058,000      5,000  id=101
  6,058,000          0  id=100
  6,061,000      3,000  id=103
  6,064,000      3,000  id=104
  6,093,000     29,000  id=107
  6,093,000          0  id=106
  6,093,000          0  id=105
  6,093,000          0  id=108
  7,089,000    996,000  id=7
  7,089,000          0  id=15
  7,089,000          0  id=8
  7,097,000      8,000  start_kernel

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:42:14 +01:00
Simon Glass
770605e4f9 bootstage: Replace show_boot_progress/error() with bootstage_...() 
These calls should not be made directly any more, since bootstage
will call the show_boot_...() functions as needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:41:39 +01:00
Simon Glass
aacc8c16ee bootstage: Convert FIT progress numbers to enums 
This changes over all the FIT image progress numbers to use enums
from bootstage.h.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:33:32 +01:00
Simon Glass
c8e66db789 bootstage: Convert net progress numbers to enums 
This changes over the network-related progress numbers to use enums
from bootstage.h.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:33:05 +01:00
Simon Glass
cd24a6bf21 bootstage: Convert NAND progress numbers to enums 
This changes over the NAND progress numbers to use enums from
bootstage.h.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:27:20 +01:00
Simon Glass
90e153d770 bootstage: Convert IDE progress numbers to enums 
This changes over the IDE progress numbers to use enums from bootstage.h.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:24:21 +01:00
Simon Glass
8ade950638 bootstage: Convert progress numbers 20-41 to enums 
Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 21:16:22 +01:00
Simon Glass
5e41088364 bootstage: Convert progress numbers 10-19 to enums 
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
 2012-03-18 20:59:53 +01:00
Simon Glass
5dc887164e bootstage: Convert progress numbers 1-9 into enums 
Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 20:57:37 +01:00
Simon Glass
5ddb118da4 bootstage: Use show_boot_error() for -ve progress numbers 
Rather than the caller negating our progress numbers to indicate an
error has occurred, which seems hacky, add a function to indicate this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
 2012-03-18 20:56:00 +01:00
Simon Glass
097e17836d bootstage: Create an initial header for boot progress integers 
At present boot_stage_progress() is called with various magic numbers. The
new bootstage.h header will be used to turn these into symbolic names
throughout the code.

The intent is not that these numbers are passed to Linux. In fact by using
an enum to track them we should eventually be able to remove the explict
numbers and just have the stages count up from 0.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-03-18 20:43:38 +01:00