From 5eaca6e3c249ce1b1c88f20d90f7f1a96159b6cb Mon Sep 17 00:00:00 2001
From: kientzle <kientzle@FreeBSD.org>
Date: Mon, 11 Feb 2013 02:15:26 +0000
Subject: Provide verbose help for fdt commands on platforms that use it.

---
 sys/boot/arm/uboot/Makefile     |  2 +-
 sys/boot/fdt/help.fdt           | 93 +++++++++++++++++++++++++++++++++++++++++
 sys/boot/powerpc/ps3/Makefile   |  2 +-
 sys/boot/powerpc/uboot/Makefile |  2 +-
 4 files changed, 96 insertions(+), 3 deletions(-)
 create mode 100644 sys/boot/fdt/help.fdt

diff --git a/sys/boot/arm/uboot/Makefile b/sys/boot/arm/uboot/Makefile
index 1974218..f2cf8ee 100644
--- a/sys/boot/arm/uboot/Makefile
+++ b/sys/boot/arm/uboot/Makefile
@@ -118,7 +118,7 @@ LDADD=		${LIBFICL} ${LIBUBOOT} ${LIBFDT} -lstand
 vers.c:	${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
 	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
 
-loader.help: help.common help.uboot
+loader.help: help.common help.uboot ${.CURDIR}/../../fdt/help.fdt
 	cat ${.ALLSRC} | \
 	    awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
 
diff --git a/sys/boot/fdt/help.fdt b/sys/boot/fdt/help.fdt
new file mode 100644
index 0000000..665f63c
--- /dev/null
+++ b/sys/boot/fdt/help.fdt
@@ -0,0 +1,93 @@
+$FreeBSD$
+###############################################################################
+# Tfdt Dfdt manipulation commands
+
+	fdt <subcommand> <arguments>
+
+	Facilities for loading and manipulating device tree data.
+
+###############################################################################
+# Tfdt Saddr Dload fdt from an address in memory
+
+	fdt addr <address>
+
+	Copies compiled device tree from a particular location
+	in memory.
+
+###############################################################################
+# Tfdt Salias DXXX
+
+	fdt alias <address>
+
+	Not Yet Implemented
+
+###############################################################################
+# Tfdt Scd DSelect a particular node for future commands
+
+	fdt cd <path>
+
+	Changes the current node to the node specified by the path.
+	Path elements are separated by '/'; a leading '/' represents
+	the root node.
+
+###############################################################################
+# Tfdt Sheader DDump the header of the compiled device tree
+
+	fdt header
+
+	Dumps DTB size, format and other key values.
+
+###############################################################################
+# Tfdt Sls DList subnodes of the current node
+
+	fdt ls <path>
+
+	Lists the nodes under the specified path.
+	If no path is specified, lists nodes under the current path.
+
+###############################################################################
+# Tfdt Smknode DCreate a new node in the device tree
+
+	fdt mknode <name>
+
+	Creates a new node with the specified name.
+
+###############################################################################
+# Tfdt Smkprop DAdd a new property to the current node
+
+	fdt mkprop <name> <value> ...
+
+	Creates a new property with the specified name and values.
+	Multiple values can be specified and will be concatenated.
+
+###############################################################################
+# Tfdt Smres DXXX
+
+	fdt mres
+
+	Dumps the list of reserved memory regions.
+
+###############################################################################
+# Tfdt Sprop DDump value of a particular property
+
+	fdt prop <name> <value> ...
+
+	If value is specified, set the given property to the indicated value.
+	Otherwise, print the value of the property.
+
+###############################################################################
+# Tfdt Spwd DPrint path to current node in device tree
+
+	fdt pwd
+
+	Print path to the current node in the device tree.
+	The current node can be changed with "fdt cd".
+
+###############################################################################
+# Tfdt Srm DRemove node or property from device tree
+
+	fdt rm <name>
+
+	The named node or property will be removed from the device tree.
+
+###############################################################################
diff --git a/sys/boot/powerpc/ps3/Makefile b/sys/boot/powerpc/ps3/Makefile
index 810e480..bff41b5 100644
--- a/sys/boot/powerpc/ps3/Makefile
+++ b/sys/boot/powerpc/ps3/Makefile
@@ -108,7 +108,7 @@ font.h:
 vers.c:	${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
 	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
 
-loader.help: help.common help.ps3
+loader.help: help.common help.ps3 ${.CURDIR}/../../fdt/help.fdt
 	cat ${.ALLSRC} | \
 	    awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
 
diff --git a/sys/boot/powerpc/uboot/Makefile b/sys/boot/powerpc/uboot/Makefile
index 783694d..f40663c 100644
--- a/sys/boot/powerpc/uboot/Makefile
+++ b/sys/boot/powerpc/uboot/Makefile
@@ -103,7 +103,7 @@ LDADD=		${LIBFICL} ${LIBUBOOT} ${LIBFDT} -lstand
 vers.c:	${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
 	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
 
-loader.help: help.common help.uboot
+loader.help: help.common help.uboot ${.CURDIR}/../../fdt/help.fdt
 	cat ${.ALLSRC} | \
 	    awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
 
-- 
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