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fit: Introduce methods for applying overlays on fit-load

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Introduce an overlay based method for constructing a base DT blob
to pass to the kernel.

It is based on a specific method now to get the FDT from a FIT image
named boot_get_fdt_fit().

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Pantelis Antoniou
2017-09-04 23:12:16 +03:00
committed by Simon Glass
parent 7c3dc776b9
commit 169043d826
3 changed files with 205 additions and 8 deletions
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7
common/image-fdt.c
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@@ -356,17 +356,16 @@ int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
if (fit_check_format(buf)) {
ulong load, len;
fdt_noffset = fit_image_load(images,
fdt_noffset = boot_get_fdt_fit(images,
fdt_addr, &fit_uname_fdt,
&fit_uname_config,
arch, IH_TYPE_FLATDT,
BOOTSTAGE_ID_FIT_FDT_START,
FIT_LOAD_OPTIONAL, &load, &len);
arch, &load, &len);
images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
images->fit_uname_fdt = fit_uname_fdt;
images->fit_noffset_fdt = fdt_noffset;
fdt_addr = load;
break;
} else
#endif