Commit 44a53b57 authored by Wolfgang Denk's avatar Wolfgang Denk Committed by Anatolij Gustschin
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VIDEO: better document the correct use of CONFIG_FB_ADDR

Signed-off-by: default avatarWolfgang Denk <>
cc: Anatolij Gustschin <>
parent dad631cc
......@@ -2714,10 +2714,13 @@ FIT uImage format:
Define CONFIG_FB_ADDR if you want to use specific
address for frame buffer.
Then system will reserve the frame buffer address to
defined address instead of lcd_setmem (this function
grabs the memory for frame buffer by panel's size).
address for frame buffer. This is typically the case
when using a graphics controller has separate video
memory. U-Boot will then place the frame buffer at
the given address instead of dynamically reserving it
in system RAM by calling lcd_setmem(), which grabs
the memory for the frame buffer depending on the
configured panel size.
Please see board_init_f function.
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