X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=Documentation%2Fdevicetree%2Fbooting-without-of.txt;h=3f1437fbca6b49f39235b82305d7b51769f47ab4;hb=e8de370188d098bb49483c287b44925957c3c9b6;hp=04d34f6a58f350635d09d34ba2c5021bf9d89095;hpb=e5451c8f8330e03ad3cfa16048b4daf961af434f;p=mirror_ubuntu-artful-kernel.git diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index 04d34f6a58f3..3f1437fbca6b 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/Documentation/devicetree/booting-without-of.txt @@ -16,6 +16,7 @@ Table of Contents 2) Entry point for arch/powerpc 3) Entry point for arch/x86 4) Entry point for arch/mips/bmips + 5) Entry point for arch/sh II - The DT block format 1) Header @@ -316,6 +317,18 @@ it with special cases. This convention is defined for 32-bit systems only, as there are not currently any 64-bit BMIPS implementations. +5) Entry point for arch/sh +-------------------------- + + Device-tree-compatible SH bootloaders are expected to provide the physical + address of the device tree blob in r4. Since legacy bootloaders did not + guarantee any particular initial register state, kernels built to + inter-operate with old bootloaders must either use a builtin DTB or + select a legacy board option (something other than CONFIG_SH_DEVICE_TREE) + that does not use device tree. Support for the latter is being phased out + in favor of device tree. + + II - The DT block format ========================