Commit 4d5e0b15 authored by Mark Salter's avatar Mark Salter Committed by Catalin Marinas

Documentation/arm64: clarify requirements for DTB placement

The current description of DTB placement requirements does not quite
match the kernel code in head.S: __vet_fdt and __create_page_tables.
This patch tweaks the text to match the actual requirements placed on
it by the code.
Signed-off-by: default avatarMark Salter <msalter@redhat.com>
Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent d50240a5
...@@ -45,9 +45,9 @@ sees fit.) ...@@ -45,9 +45,9 @@ sees fit.)
Requirement: MANDATORY Requirement: MANDATORY
The device tree blob (dtb) must be no bigger than 2 megabytes in size The device tree blob (dtb) must be placed on an 8-byte boundary within
and placed at a 2-megabyte boundary within the first 512 megabytes from the first 512 megabytes from the start of the kernel image and must not
the start of the kernel image. This is to allow the kernel to map the cross a 2-megabyte boundary. This is to allow the kernel to map the
blob using a single section mapping in the initial page tables. blob using a single section mapping in the initial page tables.
......
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