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bootstage: Allow SPL to obtain bootstage info from TPL

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It is possible to enable bootstage in TPL. TPL can stash the info for SPL.
But at present this information is then lost because SPL does not read
from the stash.

Add support for SPL not being the first phase to enable bootstage.
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2019-10-21 17:26:52 -06:00
parent 5256beecb8
commit 31f9f0ea57
1 changed files with 13 additions and 1 deletions
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14
common/spl/spl.c
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@ -18,6 +18,7 @@
#include <version.h>
#include <image.h>
#include <malloc.h>
#include <mapmem.h>
#include <dm/root.h>
#include <linux/compiler.h>
#include <fdt_support.h>
@ -396,12 +397,23 @@ static int spl_common_init(bool setup_malloc)
gd->malloc_ptr = 0;
}
#endif
ret = bootstage_init(true);
ret = bootstage_init(u_boot_first_phase());
if (ret) {
debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
ret);
return ret;
}
#ifdef CONFIG_BOOTSTAGE_STASH
if (!u_boot_first_phase()) {
const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
CONFIG_BOOTSTAGE_STASH_SIZE);
ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
if (ret)
debug("%s: Failed to unstash bootstage: ret=%d\n",
__func__, ret);
}
#endif /* CONFIG_BOOTSTAGE_STASH */
bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_START_TPL :
BOOTSTAGE_ID_START_SPL, SPL_TPL_NAME);
#if CONFIG_IS_ENABLED(LOG)