Messages in this thread Patch in this message | | | From | Pali Rohár <> | Subject | [PATCH 2/5] arm: boot: convert ATAG_REVISION to DT "/revision" entry | Date | Mon, 6 Jul 2015 22:26:10 +0200 |
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When uncompressing kernel image this patch convert ATAG_REVISION structure into DT "/revision" entry. For legacy bootloaders which do not support DT booting there is no other option how to pass ATAG_REVISION into kernel.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com> --- arch/arm/boot/compressed/atags_to_fdt.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c index 9448aa0..e7e1cc9 100644 --- a/arch/arm/boot/compressed/atags_to_fdt.c +++ b/arch/arm/boot/compressed/atags_to_fdt.c @@ -171,6 +171,8 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) cpu_to_fdt32(atag->u.mem.size); } + } else if (atag->hdr.tag == ATAG_REVISION) { + setprop_cell(fdt, "/", "revision", atag->u.revision.rev); } else if (atag->hdr.tag == ATAG_INITRD2) { uint32_t initrd_start, initrd_size; initrd_start = atag->u.initrd.start; -- 1.7.9.5
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