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Commit c21f407b authored by Simon Glass's avatar Simon Glass Committed by Tom Rini
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spl: Add a comment to spl_set_bd()


There is a strange feature to set global_data to a data-section variable
early in SPL. This only works if SPL actually has access to SRAM which is
not the case on x86, for eaxmple. Add a comment to this effect.

Reviewed-by: default avatarSimon Glass <sjg@chromium.org>
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent aedc08b2
No related merge requests found
......@@ -378,6 +378,10 @@ static int spl_common_init(bool setup_malloc)
void spl_set_bd(void)
{
/*
* NOTE: On some platforms (e.g. x86) bdata may be in flash and not
* writeable.
*/
if (!gd->bd)
gd->bd = &bdata;
}
......
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