diff options
| author | York Sun <yorksun@freescale.com> | 2015-12-07 11:05:29 -0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-12-15 08:57:33 +0800 |
| commit | aabd7ddb889aec3c6c4139974f66a44e2ce46ba5 (patch) | |
| tree | 994bb4cf82b7efd6c61866cfd551905859288d2f /README | |
| parent | c107c0c05c988ac6cfba6de60c90f105bbea0e1e (diff) | |
common: Rewrite hiding the end of memory
As the name may be confusing, the CONFIG_SYS_MEM_TOP_HIDE reserves
some memory from the end of ram, tracked by gd->ram_size. It is not
always the top of u-boot visible memory. Rewrite the macro with a
weak function to provide flexibility for complex calcuation. Legacy
use of this macro is still supported.
Signed-off-by: York Sun <yorksun@freescale.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -3877,7 +3877,7 @@ Configuration Settings: the RAM base is not zero, or RAM is divided into banks, this variable needs to be recalcuated to get the address. -- CONFIG_SYS_MEM_TOP_HIDE (PPC only): +- CONFIG_SYS_MEM_TOP_HIDE: If CONFIG_SYS_MEM_TOP_HIDE is defined in the board config header, this specified memory area will get subtracted from the top (end) of RAM and won't get "touched" at all by U-Boot. By |