path: root/Documentation/devicetree/booting-without-of.txt
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Diffstat (limited to 'Documentation/devicetree/booting-without-of.txt')
1 files changed, 13 insertions, 0 deletions
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