disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/arch/powerpc/boot/wrapper
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@@ -1,8 +1,7 @@
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 #!/bin/sh
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+# SPDX-License-Identifier: GPL-2.0-only
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 # Copyright (C) 2006 Paul Mackerras, IBM Corporation <paulus@samba.org>
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-# This program may be used under the terms of version 2 of the GNU
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-# General Public License.
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5
 
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 # This script takes a kernel binary and optionally an initrd image
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 # and/or a device-tree blob, and creates a bootable zImage for a
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@@ -14,6 +13,7 @@
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 # -i initrd	specify initrd file
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 # -d devtree	specify device-tree blob
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 # -s tree.dts	specify device-tree source file (needs dtc installed)
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+# -e esm_blob   specify ESM blob for secure images
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 # -c		cache $kernel.strip.gz (use if present & newer, else make)
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 # -C prefix	specify command prefix for cross-building tools
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 #		(strip, objcopy, ld)
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@@ -29,6 +29,7 @@
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 # Allow for verbose output
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 if [ "$V" = 1 ]; then
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     set -x
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+    map="-Map wrapper.map"
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 fi
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 # defaults
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@@ -38,9 +39,11 @@
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 initrd=
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 dtb=
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 dts=
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+esm_blob=
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 cacheit=
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 binary=
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 compression=.gz
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+uboot_comp=gzip
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 pie=
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 format=
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..
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@@ -60,9 +63,9 @@
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 usage() {
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     echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2
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-    echo '       [-d devtree] [-s tree.dts] [-c] [-C cross-prefix]' >&2
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-    echo '       [-D datadir] [-W workingdir] [-Z (gz|xz|none)]' >&2
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-    echo '       [--no-compression] [vmlinux]' >&2
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+    echo '       [-d devtree] [-s tree.dts] [-e esm_blob]' >&2
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+    echo '       [-c] [-C cross-prefix] [-D datadir] [-W workingdir]' >&2
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+    echo '       [-Z (gz|xz|none)] [--no-compression] [vmlinux]' >&2
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     exit 1
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 }
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..
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@@ -105,6 +108,11 @@
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 	[ "$#" -gt 0 ] || usage
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 	dtb="$1"
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 	;;
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+    -e)
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+	shift
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+	[ "$#" -gt 0 ] || usage
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+	esm_blob="$1"
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+	;;
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     -s)
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 	shift
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 	[ "$#" -gt 0 ] || usage
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@@ -131,22 +139,29 @@
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 	;;
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     -z)
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 	compression=.gz
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+	uboot_comp=gzip
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 	;;
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     -Z)
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 	shift
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 	[ "$#" -gt 0 ] || usage
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-        [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "none" ] || usage
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+        [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "lzma" -o "$1" != "lzo" -o "$1" != "none" ] || usage
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 	compression=".$1"
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+	uboot_comp=$1
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         if [ $compression = ".none" ]; then
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                 compression=
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+		uboot_comp=none
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         fi
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+	if [ $uboot_comp = "gz" ]; then
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+		uboot_comp=gzip
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+	fi
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 	;;
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     --no-gzip)
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         # a "feature" of the the wrapper script is that it can be used outside
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         # the kernel tree. So keeping this around for backwards compatibility.
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         compression=
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+	uboot_comp=none
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         ;;
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     -?)
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 	usage
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@@ -211,8 +226,15 @@
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 tmp=$tmpdir/zImage.$$.o
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 ksection=.kernel:vmlinux.strip
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 isection=.kernel:initrd
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+esection=.kernel:esm_blob
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 link_address='0x400000'
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 make_space=y
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+
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+
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+if [ -n "$esm_blob" -a "$platform" != "pseries" ]; then
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+    echo "ESM blob not support on non-pseries platforms" >&2
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+    exit 1
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+fi
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 case "$platform" in
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 of)
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@@ -302,14 +324,6 @@
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     platformo="$object/fixed-head.o $object/redboot-8xx.o"
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     binary=y
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     ;;
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-simpleboot-virtex405-*)
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-    platformo="$object/virtex405-head.o $object/simpleboot.o $object/virtex.o"
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-    binary=y
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-    ;;
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-simpleboot-virtex440-*)
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-    platformo="$object/fixed-head.o $object/simpleboot.o $object/virtex.o"
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-    binary=y
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-    ;;
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 simpleboot-*)
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     platformo="$object/fixed-head.o $object/simpleboot.o"
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     binary=y
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@@ -366,9 +380,16 @@
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     .gz)
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         gzip -n -f -9 "$vmz.$$"
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         ;;
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+    .lzma)
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+        xz --format=lzma -f -6 "$vmz.$$"
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+	;;
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+    .lzo)
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+        lzop -f -9 "$vmz.$$"
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+	;;
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     *)
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         # drop the compression suffix so the stripped vmlinux is used
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         compression=
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+	uboot_comp=none
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 	;;
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     esac
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..
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@@ -412,7 +433,7 @@
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 case "$platform" in
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 uboot)
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     rm -f "$ofile"
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-    ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a $membase -e $membase \
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+    ${MKIMAGE} -A ppc -O linux -T kernel -C $uboot_comp -a $membase -e $membase \
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 	$uboot_version -d "$vmz" "$ofile"
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     if [ -z "$cacheit" ]; then
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 	rm -f "$vmz"
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@@ -463,12 +484,16 @@
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     fi
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 fi
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+if [ -n "$esm_blob" ]; then
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+    addsec $tmp "$esm_blob" $esection
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+fi
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+
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 if [ "$platform" != "miboot" ]; then
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     if [ -n "$link_address" ] ; then
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         text_start="-Ttext $link_address"
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     fi
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 #link everything
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-    ${CROSS}ld -m $format -T $lds $text_start $pie $nodl -o "$ofile" \
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+    ${CROSS}ld -m $format -T $lds $text_start $pie $nodl -o "$ofile" $map \
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 	$platformo $tmp $object/wrapper.a
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     rm $tmp
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 fi
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@@ -538,7 +563,18 @@
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         count=$overlay_size bs=1
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     odir="$(dirname "$ofile.bin")"
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-    rm -f "$odir/otheros.bld"
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-    gzip -n --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld"
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+
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+    # The ps3's flash loader has a size limit of 16 MiB for the uncompressed
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+    # image.  If a compressed image that exceeded this limit is written to
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+    # flash the loader will decompress that image until the 16 MiB limit is
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+    # reached, then enter the system reset vector of the partially decompressed
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+    # image.  No warning is issued.
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+    rm -f "$odir"/{otheros,otheros-too-big}.bld
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+    size=$(${CROSS}nm --no-sort --radix=d "$ofile" | egrep ' _end$' | cut -d' ' -f1)
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+    bld="otheros.bld"
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+    if [ $size -gt $((0x1000000)) ]; then
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+        bld="otheros-too-big.bld"
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+    fi
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+    gzip -n --force -9 --stdout "$ofile.bin" > "$odir/$bld"
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     ;;
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 esac