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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Tue, 14 Jan 2014 13:12:23 -0500
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Subject: [PATCH] Add devicetree loading
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Switch to use APM Mustang device tree, for hardware testing.
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Signed-off-by: David A. Marlin <d.marlin@redhat.com>
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Use the default device tree from the grub default file
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instead of hardcoding a value.
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Signed-off-by: David A. Marlin <dmarlin@redhat.com>
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---
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util/grub-mkconfig.in | 3 ++-
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util/grub.d/10_linux.in | 15 +++++++++++++++
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2 files changed, 17 insertions(+), 1 deletion(-)
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diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
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index d3e879b8e5c..8ea2315ebc2 100644
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--- a/util/grub-mkconfig.in
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+++ b/util/grub-mkconfig.in
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@@ -248,7 +248,8 @@ export GRUB_DEFAULT \
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GRUB_ENABLE_CRYPTODISK \
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GRUB_BADRAM \
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GRUB_OS_PROBER_SKIP_LIST \
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- GRUB_DISABLE_SUBMENU
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+ GRUB_DISABLE_SUBMENU \
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+ GRUB_DEFAULT_DTB
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if test "x${grub_cfg}" != "x"; then
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rm -f "${grub_cfg}.new"
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index e8b01c0d0c7..dc75a1c30bf 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -153,6 +153,13 @@ EOF
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sed "s/^/$submenu_indentation/" << EOF
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echo '$(echo "$message" | grub_quote)'
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initrd $(echo $initrd_path)
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+EOF
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+ fi
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+ if test -n "${fdt}" ; then
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+ message="$(gettext_printf "Loading fdt ...")"
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+ sed "s/^/$submenu_indentation/" << EOF
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+ echo '$(echo "$message" | grub_quote)'
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+ devicetree ${rel_dirname}/${fdt}
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EOF
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fi
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sed "s/^/$submenu_indentation/" << EOF
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@@ -236,6 +243,14 @@ while [ "x$list" != "x" ] ; do
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gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2
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fi
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+ fdt=
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+ for i in "dtb-${version}" "dtb-${alt_version}"; do
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+ if test -f "${dirname}/${i}/${GRUB_DEFAULT_DTB}" ; then
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+ fdt="${i}/${GRUB_DEFAULT_DTB}"
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+ break
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+ fi
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+ done
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+
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config=
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for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
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if test -e "${i}" ; then
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