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| author | Wolfgang Denk <wd@denx.de> | 2013-01-03 00:43:59 +0000 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2013-01-14 20:16:51 +0100 |
| commit | 44a53b57439dc1f117135b4f8c22d25915096164 (patch) | |
| tree | 068b3f6c20c3ca73bca806b07d4853265593ad11 | |
| parent | dad631ccf720b78201e4b026422bb347fec64f5a (diff) | |
| download | u-boot-imx-44a53b57439dc1f117135b4f8c22d25915096164.zip u-boot-imx-44a53b57439dc1f117135b4f8c22d25915096164.tar.gz u-boot-imx-44a53b57439dc1f117135b4f8c22d25915096164.tar.bz2 | |
VIDEO: better document the correct use of CONFIG_FB_ADDR
Signed-off-by: Wolfgang Denk <wd@denx.de>
cc: Anatolij Gustschin <agust@denx.de>
| -rw-r--r-- | README | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -2714,10 +2714,13 @@ FIT uImage format: CONFIG_FB_ADDR 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. |