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Diffstat (limited to 'README')
| -rw-r--r-- | README | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -1532,6 +1532,17 @@ CBFS (Coreboot Filesystem) support allows for a "silent" boot where a splash screen is loaded very quickly after power-on. + CONFIG_SPLASHIMAGE_GUARD + + If this option is set, then U-Boot will prevent the environment + variable "splashimage" from being set to a problematic address + (see README.displaying-bmps and README.arm-unaligned-accesses). + This option is useful for targets where, due to alignment + restrictions, an improperly aligned BMP image will cause a data + abort. If you think you will not have problems with unaligned + accesses (for example because your toolchain prevents them) + there is no need to set this option. + CONFIG_SPLASH_SCREEN_ALIGN If this option is set the splash image can be freely positioned @@ -1552,6 +1563,14 @@ CBFS (Coreboot Filesystem) support => vertically centered image at x = dspWidth - bmpWidth - 9 + CONFIG_SPLASH_SCREEN_PREPARE + + If this option is set then the board_splash_screen_prepare() + function, which must be defined in your code, is called as part + of the splash screen display sequence. It gives the board an + opportunity to prepare the splash image data before it is + processed and sent to the frame buffer by U-Boot. + - Gzip compressed BMP image support: CONFIG_VIDEO_BMP_GZIP If this option is set, additionally to standard BMP |