I have to ask, how long does coreboot spend in ramstage were you could actually see that bootsplash image, specially with CBMEM as only console? Perhaps put effort in improving the payload side instead to load its bootsplash faster?

To clarify: I could only see a bootsplash displayed by SeaBIOS (if enabled in its' config), but not by coreboot. Here are my current timestamps:

27 entries total:

   0:1st timestamp                                     10,070
   1:start of romstage                                 10,380 (309)
   2:before ram initialization                         3,765,008 (3,754,628)
   3:after ram initialization                          17,144,494 (13,379,486)
   4:end of romstage                                   17,155,433 (10,939)
   8:starting to load ramstage                         17,155,688 (254)
  15:starting LZMA decompress (ignore for x86)         17,155,707 (18)
  16:finished LZMA decompress (ignore for x86)         17,225,383 (69,676)
   9:finished loading ramstage                         17,225,710 (326)
  10:start of ramstage                                 17,225,737 (27)
  30:device enumeration                                17,235,210 (9,473)
  40:device configuration                              17,245,759 (10,548)
  50:device enable                                     17,261,071 (15,311)
  60:device initialization                             17,261,222 (151)
  65:Option ROM initialization                         17,338,465 (77,243)
  66:Option ROM copy done                              17,355,515 (17,049)
  67:Option ROM run done                               17,803,653 (448,138)
  65:Option ROM initialization                         17,803,932 (279)
  66:Option ROM copy done                              17,813,016 (9,083)
  67:Option ROM run done                               18,020,791 (207,775)
  70:device setup done                                 18,020,875 (84)
  75:cbmem post                                        18,090,768 (69,892)
  80:write tables                                      18,090,772 (3)
  85:finalize chips                                    18,095,156 (4,383)
  90:load payload                                      18,095,161 (4)
  15:starting LZMA decompress (ignore for x86)         18,095,496 (335)
  16:finished LZMA decompress (ignore for x86)         18,125,067 (29,571)
  99:selfboot jump                                     18,125,101 (33)

Total Time: 18,115,018

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