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ramstage: Add cbmem_get_table_location()

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When CONFIG_EARLY_CBMEM_INIT is selected romstage is supposed to have
initialized cbmem. Therefore provide a weak function for the chipset
to implement named cbmem_get_table_location(). When
CONFIG_EARLY_CBMEM_INIT is selected cbmem_get_table_location() will be
called to get the cbmem location and size. After that cbmem_initialize()
is called.

Change-Id: Idc45a95f9d4b1d83eb3c6d4977f7a8c80c1ffe76
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2797
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Aaron Durbin
2013-02-12 00:40:30 -06:00
committed by Ronald G. Minnich
parent c00457d065
commit 25fe2d04d5
2 changed files with 15 additions and 0 deletions
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10
src/lib/hardwaremain.c
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@ -85,6 +85,16 @@ void hardwaremain(int boot_complete)
/* FIXME: Is there a better way to handle this? */
init_timer();
/* CONFIG_EARLY_CBMEM_INIT indicates that romstage initialized
* the cbmem area. Therefore the table location can be initialized
* early in ramstage if cbmem_get_table_location() is implemented.
*/
#if CONFIG_EARLY_CBMEM_INIT
if (cbmem_get_table_location != NULL &&
!cbmem_get_table_location(&high_tables_base, &high_tables_size))
cbmem_initialize();
#endif
timestamp_stash(TS_DEVICE_ENUMERATE);
/* Initialize chips early, they might disable unused devices. */