$(TOPDIR)/scripts/mkits.sh \
-D $(DEVICE_NAME) -o $@.its -k $@ \
$(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
+ $(if $(findstring with-rootfs,$(word 3,$(1))),-r $(IMAGE_ROOTFS)) \
-a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
$(if $(DEVICE_FDT_NUM),-n $(DEVICE_FDT_NUM)) \
-c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
-A $(LINUX_KARCH) -v $(LINUX_VERSION)
- PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
+ PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage $(if $(findstring external,$(word 3,$(1))),\
+ -E -B 0x1000 $(if $(findstring static,$(word 3,$(1))),-p 0x1000)) -f $@.its $@.new
@mv $@.new $@
endef
. /lib/functions.sh
-# 'kernel' partition on NAND contains the kernel
+# 'kernel' partition or UBI volume on NAND contains the kernel
CI_KERNPART="${CI_KERNPART:-kernel}"
# 'ubi' partition on NAND contains UBI
CI_UBIPART="${CI_UBIPART:-ubi}"
-# 'rootfs' partition on NAND contains the rootfs
+# 'rootfs' UBI volume on NAND contains the rootfs
CI_ROOTPART="${CI_ROOTPART:-rootfs}"
ubi_mknod() {
nand_upgrade_prepare_ubi() {
local rootfs_length="$1"
local rootfs_type="$2"
- local has_kernel="${3:-0}"
+ local kernel_length="$3"
local has_env="${4:-0}"
+ [ -n "$rootfs_length" -o -n "$kernel_length" ] || return 1
+
local mtdnum="$( find_mtd_index "$CI_UBIPART" )"
if [ ! "$mtdnum" ]; then
echo "cannot find ubi mtd partition $CI_UBIPART"
local root_ubivol="$( nand_find_volume $ubidev $CI_ROOTPART )"
local data_ubivol="$( nand_find_volume $ubidev rootfs_data )"
- # remove ubiblock device of rootfs
- local root_ubiblk="ubiblock${root_ubivol:3}"
- if [ "$root_ubivol" -a -e "/dev/$root_ubiblk" ]; then
- echo "removing $root_ubiblk"
- if ! ubiblock -r /dev/$root_ubivol; then
- echo "cannot remove $root_ubiblk"
- return 1;
+ local ubiblk ubiblkvol
+ for ubiblk in /dev/ubiblock*_? ; do
+ [ -e "$ubiblk" ] || continue
+ echo "removing ubiblock${ubiblk:13}"
+ ubiblkvol=ubi${ubiblk:13}
+ if ! ubiblock -r /dev/$ubiblkvol; then
+ echo "cannot remove $ubiblk"
+ return 1
fi
- fi
+ done
# kill volumes
[ "$kern_ubivol" ] && ubirmvol /dev/$ubidev -N $CI_KERNPART || true
- [ "$root_ubivol" ] && ubirmvol /dev/$ubidev -N $CI_ROOTPART || true
+ [ "$root_ubivol" -a "$root_ubivol" != "$kern_ubivol" ] && ubirmvol /dev/$ubidev -N $CI_ROOTPART || true
[ "$data_ubivol" ] && ubirmvol /dev/$ubidev -N rootfs_data || true
# update kernel
- if [ "$has_kernel" = "1" ]; then
+ if [ -n "$kernel_length" ]; then
if ! ubimkvol /dev/$ubidev -N $CI_KERNPART -s $kernel_length; then
echo "cannot create kernel volume"
return 1;
fi
# update rootfs
- local root_size_param
- if [ "$rootfs_type" = "ubifs" ]; then
- root_size_param="-m"
- else
- root_size_param="-s $rootfs_length"
- fi
- if ! ubimkvol /dev/$ubidev -N $CI_ROOTPART $root_size_param; then
- echo "cannot create rootfs volume"
- return 1;
+ if [ -n "$rootfs_length" ]; then
+ local root_size_param
+ if [ "$rootfs_type" = "ubifs" ]; then
+ root_size_param="-m"
+ else
+ root_size_param="-s $rootfs_length"
+ fi
+ if ! ubimkvol /dev/$ubidev -N $CI_ROOTPART $rootfs_size_param; then
+ echo "cannot create rootfs volume"
+ return 1;
+ fi
fi
# create rootfs_data for non-ubifs rootfs
nand_upgrade_ubifs() {
local rootfs_length=$( (cat $1 | wc -c) 2> /dev/null)
- nand_upgrade_prepare_ubi "$rootfs_length" "ubifs" "0" "0"
+ nand_upgrade_prepare_ubi "$rootfs_length" "ubifs" "" ""
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
local root_ubivol="$(nand_find_volume $ubidev $CI_ROOTPART)"
nand_do_upgrade_success
}
+nand_upgrade_fit() {
+ local fit_file="$1"
+ local fit_length="$(wc -c < "$fit_file")"
+
+ nand_upgrade_prepare_ubi "" "" "$fit_length" "1"
+
+ local fit_ubidev="$(nand_find_ubi "$CI_UBIPART")"
+ local fit_ubivol="$(nand_find_volume $fit_ubidev "$CI_KERNPART")"
+ ubiupdatevol /dev/$fit_ubivol -s $fit_length $fit_file
+
+ nand_do_upgrade_success
+}
+
nand_upgrade_tar() {
local tar_file="$1"
local kernel_mtd="$(find_mtd_index $CI_KERNPART)"
- local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
+ local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
board_dir=${board_dir%/}
- local kernel_length=$( (tar xf $tar_file ${board_dir}/kernel -O | wc -c) 2> /dev/null)
- local rootfs_length=$( (tar xf $tar_file ${board_dir}/root -O | wc -c) 2> /dev/null)
+ kernel_length=$( (tar xf "$tar_file" ${board_dir}/kernel -O | wc -c) 2> /dev/null)
+ local has_rootfs=0
+ local rootfs_length
+ local rootfs_type
- local rootfs_type="$(identify_tar "$tar_file" ${board_dir}/root)"
+ tar tf "$tar_file" ${board_dir}/root 1>/dev/null 2>/dev/null && has_rootfs=1
+ [ "$has_rootfs" = "1" ] && {
+ rootfs_length=$( (tar xf "$tar_file" ${board_dir}/root -O | wc -c) 2> /dev/null)
+ rootfs_type="$(identify_tar "$tar_file" ${board_dir}/root)"
+ }
local has_kernel=1
local has_env=0
[ "$kernel_length" != 0 -a -n "$kernel_mtd" ] && {
- tar xf $tar_file ${board_dir}/kernel -O | mtd write - $CI_KERNPART
+ tar xf "$tar_file" ${board_dir}/kernel -O | mtd write - $CI_KERNPART
}
- [ "$kernel_length" = 0 -o ! -z "$kernel_mtd" ] && has_kernel=0
+ [ "$kernel_length" = 0 -o ! -z "$kernel_mtd" ] && has_kernel=
- nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "$has_kernel" "$has_env"
+ nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "${has_kernel:+$kernel_length}" "$has_env"
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
[ "$has_kernel" = "1" ] && {
- local kern_ubivol="$(nand_find_volume $ubidev $CI_KERNPART)"
- tar xf $tar_file ${board_dir}/kernel -O | \
+ local kern_ubivol="$( nand_find_volume $ubidev $CI_KERNPART )"
+ tar xf "$tar_file" ${board_dir}/kernel -O | \
ubiupdatevol /dev/$kern_ubivol -s $kernel_length -
}
- local root_ubivol="$(nand_find_volume $ubidev $CI_ROOTPART)"
- tar xf $tar_file ${board_dir}/root -O | \
- ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
-
+ [ "$has_rootfs" = "1" ] && {
+ local root_ubivol="$( nand_find_volume $ubidev $CI_ROOTPART )"
+ tar xf "$tar_file" ${board_dir}/root -O | \
+ ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
+ }
nand_do_upgrade_success
}
[ ! "$(find_mtd_index "$CI_UBIPART")" ] && CI_UBIPART="rootfs"
case "$file_type" in
+ "fit") nand_upgrade_fit $1;;
"ubi") nand_upgrade_ubinized $1;;
"ubifs") nand_upgrade_ubifs $1;;
*) nand_upgrade_tar $1;;
local control_length=$( (tar xf $tar_file sysupgrade-$board_name/CONTROL -O | wc -c) 2> /dev/null)
local file_type="$(identify $2)"
- [ "$control_length" = 0 -a "$file_type" != "ubi" -a "$file_type" != "ubifs" ] && {
+ [ "$control_length" = 0 -a "$file_type" != "ubi" -a "$file_type" != "ubifs" -a "$file_type" != "fit" ] && {
echo "Invalid sysupgrade file."
return 1
}
printf "\n\t-c ==> set config name 'config'"
printf "\n\t-a ==> set load address to 'addr' (hex)"
printf "\n\t-e ==> set entry point to 'entry' (hex)"
+ printf "\n\t-f ==> set device tree compatible string"
printf "\n\t-v ==> set kernel version to 'version'"
printf "\n\t-k ==> include kernel image 'kernel'"
printf "\n\t-D ==> human friendly Device Tree Blob 'name'"
printf "\n\t-n ==> fdt unit-address 'address'"
printf "\n\t-d ==> include Device Tree Blob 'dtb'"
+ printf "\n\t-r ==> include RootFS blob 'rootfs'"
+ printf "\n\t-H ==> specify hash algo instead of SHA1"
printf "\n\t-o ==> create output file 'its_file'\n"
exit 1
}
FDTNUM=1
+ROOTFSNUM=1
+HASH=sha1
+LOADABLES=
-while getopts ":A:a:c:C:D:d:e:k:n:o:v:" OPTION
+while getopts ":A:a:c:C:D:d:e:f:k:n:o:v:r:S" OPTION
do
case $OPTION in
A ) ARCH=$OPTARG;;
D ) DEVICE=$OPTARG;;
d ) DTB=$OPTARG;;
e ) ENTRY_ADDR=$OPTARG;;
+ f ) COMPATIBLE=$OPTARG;;
k ) KERNEL=$OPTARG;;
n ) FDTNUM=$OPTARG;;
o ) OUTPUT=$OPTARG;;
+ r ) ROOTFS=$OPTARG;;
+ S ) HASH=$OPTARG;;
v ) VERSION=$OPTARG;;
* ) echo "Invalid option passed to '$0' (options:$*)"
usage;;
ARCH_UPPER=$(echo "$ARCH" | tr '[:lower:]' '[:upper:]')
+if [ -n "${COMPATIBLE}" ]; then
+ COMPATIBLE_PROP="compatible = \"${COMPATIBLE}\";"
+fi
+
# Conditionally create fdt information
if [ -n "${DTB}" ]; then
FDT_NODE="
fdt@$FDTNUM {
description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
+ ${COMPATIBLE_PROP}
data = /incbin/(\"${DTB}\");
type = \"flat_dt\";
arch = \"${ARCH}\";
algo = \"crc32\";
};
hash@2 {
- algo = \"sha1\";
+ algo = \"${HASH}\";
};
};
"
FDT_PROP="fdt = \"fdt@$FDTNUM\";"
fi
+if [ -n "${ROOTFS}" ]; then
+ dd if="${ROOTFS}" of="${ROOTFS}.pagesync" bs=4096 conv=sync
+ ROOTFS_NODE="
+ rootfs@$ROOTFSNUM {
+ description = \"${ARCH_UPPER} OpenWrt ${DEVICE} rootfs\";
+ ${COMPATIBLE_PROP}
+ data = /incbin/(\"${ROOTFS}.pagesync\");
+ type = \"filesystem\";
+ arch = \"${ARCH}\";
+ compression = \"none\";
+ hash@1 {
+ algo = \"crc32\";
+ };
+ hash@2 {
+ algo = \"${HASH}\";
+ };
+ };
+"
+ LOADABLES="${LOADABLES:+$LOADABLES, }\"rootfs@${ROOTFSNUM}\""
+fi
+
# Create a default, fully populated DTS file
DATA="/dts-v1/;
algo = \"crc32\";
};
hash@2 {
- algo = \"sha1\";
+ algo = \"$HASH\";
};
};
${FDT_NODE}
+${ROOTFS_NODE}
};
configurations {
default = \"${CONFIG}\";
${CONFIG} {
- description = \"OpenWrt\";
+ description = \"OpenWrt ${DEVICE}\";
kernel = \"kernel@1\";
${FDT_PROP}
+ ${LOADABLES:+loadables = ${LOADABLES};}
+ ${COMPATIBLE_PROP}
};
};
};"
# CONFIG_FIELDBUS_DEV is not set
CONFIG_FILE_LOCKING=y
# CONFIG_FIND_BIT_BENCHMARK is not set
+# CONFIG_FIT_PARTITION is not set
# CONFIG_FIREWIRE is not set
# CONFIG_FIREWIRE_NOSY is not set
# CONFIG_FIREWIRE_SERIAL is not set
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_FIT_PARTITION is not set
# CONFIG_FIXED_PHY is not set
CONFIG_FLATMEM=y
CONFIG_FLATMEM_MANUAL=y
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * fs/partitions/fit.c
+ * Copyright (C) 2021 Daniel Golle
+ *
+ * headers extracted from U-Boot mkimage sources
+ * (C) Copyright 2008 Semihalf
+ * (C) Copyright 2000-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * based on existing partition parsers
+ * Copyright (C) 1991-1998 Linus Torvalds
+ * Re-organised Feb 1998 Russell King
+ */
+
+#define pr_fmt(fmt) fmt
+
+#include <linux/types.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_fdt.h>
+#include <linux/libfdt.h>
+
+#include "check.h"
+
+#define FIT_IMAGES_PATH "/images"
+#define FIT_CONFS_PATH "/configurations"
+
+/* hash/signature/key node */
+#define FIT_HASH_NODENAME "hash"
+#define FIT_ALGO_PROP "algo"
+#define FIT_VALUE_PROP "value"
+#define FIT_IGNORE_PROP "uboot-ignore"
+#define FIT_SIG_NODENAME "signature"
+#define FIT_KEY_REQUIRED "required"
+#define FIT_KEY_HINT "key-name-hint"
+
+/* cipher node */
+#define FIT_CIPHER_NODENAME "cipher"
+#define FIT_ALGO_PROP "algo"
+
+/* image node */
+#define FIT_DATA_PROP "data"
+#define FIT_DATA_POSITION_PROP "data-position"
+#define FIT_DATA_OFFSET_PROP "data-offset"
+#define FIT_DATA_SIZE_PROP "data-size"
+#define FIT_TIMESTAMP_PROP "timestamp"
+#define FIT_DESC_PROP "description"
+#define FIT_ARCH_PROP "arch"
+#define FIT_TYPE_PROP "type"
+#define FIT_OS_PROP "os"
+#define FIT_COMP_PROP "compression"
+#define FIT_ENTRY_PROP "entry"
+#define FIT_LOAD_PROP "load"
+
+/* configuration node */
+#define FIT_KERNEL_PROP "kernel"
+#define FIT_FILESYSTEM_PROP "filesystem"
+#define FIT_RAMDISK_PROP "ramdisk"
+#define FIT_FDT_PROP "fdt"
+#define FIT_LOADABLE_PROP "loadables"
+#define FIT_DEFAULT_PROP "default"
+#define FIT_SETUP_PROP "setup"
+#define FIT_FPGA_PROP "fpga"
+#define FIT_FIRMWARE_PROP "firmware"
+#define FIT_STANDALONE_PROP "standalone"
+
+#define FIT_MAX_HASH_LEN HASH_MAX_DIGEST_SIZE
+
+int fit_partition(struct parsed_partitions *state)
+{
+ struct address_space *mapping = state->bdev->bd_inode->i_mapping;
+ struct page *page = read_mapping_page(mapping, 0, NULL);
+ void *fit, *init_fit;
+ struct partition_meta_info *info;
+ char tmp[sizeof(info->volname)];
+ u64 dsize, dsectors;
+ u32 size, image_pos, image_len;
+ const u32 *image_offset_be, *image_len_be, *image_pos_be;
+ int ret = 1, node, images, config, slot;
+ const char *image_name, *image_type, *image_description, *config_default,
+ *config_description, *config_loadables;
+ int image_name_len, image_type_len, image_description_len, config_default_len,
+ config_description_len, config_loadables_len;
+ sector_t start_sect, nr_sects;
+ size_t label_min;
+
+ if (!page)
+ return -ENOMEM;
+
+ init_fit = page_address(page);
+
+ if (!init_fit) {
+ put_page(page);
+ return -EFAULT;
+ }
+
+ if (fdt_check_header(init_fit)) {
+ put_page(page);
+ return 0;
+ }
+
+ dsectors = get_capacity(state->bdev->bd_disk);
+ dsize = dsectors << SECTOR_SHIFT;
+ printk(KERN_DEBUG "FIT: volume size: %llu sectors (%llu bytes)\n", dsectors, dsize);
+
+ size = fdt_totalsize(init_fit);
+ printk(KERN_DEBUG "FIT: FDT structure size: %u bytes\n", size);
+ if (size > PAGE_SIZE) {
+ printk(KERN_ERR "FIT: FDT structure beyond page boundaries, use 'mkimage -E ...'!\n");
+ put_page(page);
+ return -ENOTSUPP;
+ }
+
+ if (size >= dsize) {
+ put_page(page);
+ state->access_beyond_eod = (size >= dsize);
+ return 0;
+ }
+
+ fit = kmemdup(init_fit, size, GFP_KERNEL);
+ put_page(page);
+ if (!fit)
+ return -ENOMEM;
+
+ config = fdt_path_offset(fit, FIT_CONFS_PATH);
+ if (config < 0) {
+ printk(KERN_ERR "FIT: Cannot find %s node: %d\n", FIT_CONFS_PATH, images);
+ ret = -ENOENT;
+ goto ret_out;
+ }
+
+ config_default = fdt_getprop(fit, config, FIT_DEFAULT_PROP, &config_default_len);
+
+ if (!config_default) {
+ printk(KERN_ERR "FIT: Cannot find default configuration\n");
+ ret = -ENOENT;
+ goto ret_out;
+ }
+
+ node = fdt_subnode_offset(fit, config, config_default);
+ if (node < 0) {
+ printk(KERN_ERR "FIT: Cannot find %s node: %d\n", config_default, node);
+ ret = -ENOENT;
+ goto ret_out;
+ }
+
+ config_description = fdt_getprop(fit, node, FIT_DESC_PROP, &config_description_len);
+ config_loadables = fdt_getprop(fit, node, FIT_LOADABLE_PROP, &config_loadables_len);
+
+ printk(KERN_DEBUG "FIT: Default configuration: %s%s%s%s\n", config_default,
+ config_description?" (":"", config_description?:"", config_description?")":"");
+
+ images = fdt_path_offset(fit, FIT_IMAGES_PATH);
+ if (images < 0) {
+ printk(KERN_ERR "FIT: Cannot find %s node: %d\n", FIT_IMAGES_PATH, images);
+ ret = -EINVAL;
+ goto ret_out;
+ }
+
+ slot = 1;
+ fdt_for_each_subnode(node, fit, images) {
+ image_name = fdt_get_name(fit, node, &image_name_len);
+ image_type = fdt_getprop(fit, node, FIT_TYPE_PROP, &image_type_len);
+ image_offset_be = fdt_getprop(fit, node, FIT_DATA_OFFSET_PROP, NULL);
+ image_pos_be = fdt_getprop(fit, node, FIT_DATA_POSITION_PROP, NULL);
+ image_len_be = fdt_getprop(fit, node, FIT_DATA_SIZE_PROP, NULL);
+ if (!image_name || !image_type || !image_len_be)
+ continue;
+
+ image_len = be32_to_cpu(*image_len_be);
+ if (!image_len)
+ continue;
+
+ if (image_offset_be)
+ image_pos = be32_to_cpu(*image_offset_be) + size;
+ else if (image_pos_be)
+ image_pos = be32_to_cpu(*image_pos_be);
+ else
+ continue;
+
+ image_description = fdt_getprop(fit, node, FIT_DESC_PROP, &image_description_len);
+
+ printk(KERN_DEBUG "FIT: %16s sub-image 0x%08x - 0x%08x '%s' %s%s%s\n",
+ image_type, image_pos, image_pos + image_len, image_name,
+ image_description?"(":"", image_description?:"", image_description?") ":"");
+
+ if (strcmp(image_type, FIT_FILESYSTEM_PROP))
+ continue;
+
+ if (image_pos & ((1 << PAGE_SHIFT)-1)) {
+ printk(KERN_ERR "FIT: image %s start not aligned to page boundaries, skipping\n", image_name);
+ continue;
+ }
+
+ if (image_len & ((1 << PAGE_SHIFT)-1)) {
+ printk(KERN_ERR "FIT: sub-image %s end not aligned to page boundaries, skipping\n", image_name);
+ continue;
+ }
+
+ start_sect = image_pos >> SECTOR_SHIFT;
+ nr_sects = image_len >> SECTOR_SHIFT;
+
+ if (start_sect + nr_sects > dsectors) {
+ state->access_beyond_eod = 1;
+ continue;
+ }
+
+ put_partition(state, slot, start_sect, nr_sects);
+ state->parts[slot].flags = 0;
+ info = &state->parts[slot].info;
+
+ label_min = min_t(int, sizeof(info->volname) - 1, image_name_len);
+ strncpy(info->volname, image_name, label_min);
+ info->volname[label_min] = '\0';
+
+ snprintf(tmp, sizeof(tmp), "(%s)", info->volname);
+ strlcat(state->pp_buf, tmp, PAGE_SIZE);
+
+ state->parts[slot].has_info = true;
+
+ if (config_loadables && !strcmp(image_name, config_loadables)) {
+ printk(KERN_DEBUG "FIT: selecting configured loadable %s to be root filesystem\n", image_name);
+ state->parts[slot].flags |= ADDPART_FLAG_ROOTDEV;
+ }
+
+ ++slot;
+ }
+
+ret_out:
+ kfree(fit);
+ return ret;
+}
--- /dev/null
+--- a/block/blk.h
++++ b/block/blk.h
+@@ -357,6 +357,7 @@ char *disk_name(struct gendisk *hd, int
+ #define ADDPART_FLAG_NONE 0
+ #define ADDPART_FLAG_RAID 1
+ #define ADDPART_FLAG_WHOLEDISK 2
++#define ADDPART_FLAG_ROOTDEV 4
+ void delete_partition(struct hd_struct *part);
+ int bdev_add_partition(struct block_device *bdev, int partno,
+ sector_t start, sector_t length);
+--- a/block/partitions/Kconfig
++++ b/block/partitions/Kconfig
+@@ -101,6 +101,13 @@ config ATARI_PARTITION
+ Say Y here if you would like to use hard disks under Linux which
+ were partitioned under the Atari OS.
+
++config FIT_PARTITION
++ bool "Flattened-Image-Tree (FIT) partition support" if PARTITION_ADVANCED
++ default n
++ help
++ Say Y here if your system needs to mount the filesystem part of
++ a Flattened-Image-Tree (FIT) image commonly used with Das U-Boot.
++
+ config IBM_PARTITION
+ bool "IBM disk label and partition support"
+ depends on PARTITION_ADVANCED && S390
+--- a/block/partitions/Makefile
++++ b/block/partitions/Makefile
+@@ -8,6 +8,7 @@ obj-$(CONFIG_ACORN_PARTITION) += acorn.o
+ obj-$(CONFIG_AMIGA_PARTITION) += amiga.o
+ obj-$(CONFIG_ATARI_PARTITION) += atari.o
+ obj-$(CONFIG_AIX_PARTITION) += aix.o
++obj-$(CONFIG_FIT_PARTITION) += fit.o
+ obj-$(CONFIG_CMDLINE_PARTITION) += cmdline.o
+ obj-$(CONFIG_MAC_PARTITION) += mac.o
+ obj-$(CONFIG_LDM_PARTITION) += ldm.o
+--- a/block/partitions/check.h
++++ b/block/partitions/check.h
+@@ -58,6 +58,7 @@ int amiga_partition(struct parsed_partit
+ int atari_partition(struct parsed_partitions *state);
+ int cmdline_partition(struct parsed_partitions *state);
+ int efi_partition(struct parsed_partitions *state);
++int fit_partition(struct parsed_partitions *state);
+ int ibm_partition(struct parsed_partitions *);
+ int karma_partition(struct parsed_partitions *state);
+ int ldm_partition(struct parsed_partitions *state);
+--- a/block/partitions/core.c
++++ b/block/partitions/core.c
+@@ -10,6 +10,8 @@
+ #include <linux/vmalloc.h>
+ #include <linux/blktrace_api.h>
+ #include <linux/raid/detect.h>
++#include <linux/root_dev.h>
++
+ #include "check.h"
+
+ static int (*check_part[])(struct parsed_partitions *) = {
+@@ -46,6 +48,9 @@ static int (*check_part[])(struct parsed
+ #ifdef CONFIG_EFI_PARTITION
+ efi_partition, /* this must come before msdos */
+ #endif
++#ifdef CONFIG_FIT_PARTITION
++ fit_partition,
++#endif
+ #ifdef CONFIG_SGI_PARTITION
+ sgi_partition,
+ #endif
+@@ -694,6 +699,9 @@ static bool blk_add_partition(struct gen
+ (state->parts[p].flags & ADDPART_FLAG_RAID))
+ md_autodetect_dev(part_to_dev(part)->devt);
+
++ if ((state->parts[p].flags & ADDPART_FLAG_ROOTDEV) && ROOT_DEV == 0)
++ ROOT_DEV = part_to_dev(part)->devt;
++
+ return true;
+ }
+
+--- a/drivers/mtd/ubi/block.c
++++ b/drivers/mtd/ubi/block.c
+@@ -396,7 +396,7 @@ int ubiblock_create(struct ubi_volume_in
+ dev->leb_size = vi->usable_leb_size;
+
+ /* Initialize the gendisk of this ubiblock device */
+- gd = alloc_disk(1);
++ gd = alloc_disk(0);
+ if (!gd) {
+ pr_err("UBI: block: alloc_disk failed\n");
+ ret = -ENODEV;
+@@ -413,6 +413,7 @@ int ubiblock_create(struct ubi_volume_in
+ goto out_put_disk;
+ }
+ gd->private_data = dev;
++ gd->flags |= GENHD_FL_EXT_DEVT;
+ sprintf(gd->disk_name, "ubiblock%d_%d", dev->ubi_num, dev->vol_id);
+ set_capacity(gd, disk_capacity);
+ dev->gd = gd;
--- /dev/null
+--- a/block/partitions/Kconfig
++++ b/block/partitions/Kconfig
+@@ -101,6 +101,13 @@ config ATARI_PARTITION
+ Say Y here if you would like to use hard disks under Linux which
+ were partitioned under the Atari OS.
+
++config FIT_PARTITION
++ bool "Flattened-Image-Tree (FIT) partition support" if PARTITION_ADVANCED
++ default n
++ help
++ Say Y here if your system needs to mount the filesystem part of
++ a Flattened-Image-Tree (FIT) image commonly used with Das U-Boot.
++
+ config IBM_PARTITION
+ bool "IBM disk label and partition support"
+ depends on PARTITION_ADVANCED && S390
+--- a/block/partitions/Makefile
++++ b/block/partitions/Makefile
+@@ -9,6 +9,7 @@ obj-$(CONFIG_ACORN_PARTITION) += acorn.o
+ obj-$(CONFIG_AMIGA_PARTITION) += amiga.o
+ obj-$(CONFIG_ATARI_PARTITION) += atari.o
+ obj-$(CONFIG_AIX_PARTITION) += aix.o
++obj-$(CONFIG_FIT_PARTITION) += fit.o
+ obj-$(CONFIG_CMDLINE_PARTITION) += cmdline.o
+ obj-$(CONFIG_MAC_PARTITION) += mac.o
+ obj-$(CONFIG_LDM_PARTITION) += ldm.o
+--- a/drivers/mtd/ubi/block.c
++++ b/drivers/mtd/ubi/block.c
+@@ -396,7 +396,7 @@ int ubiblock_create(struct ubi_volume_in
+ dev->leb_size = vi->usable_leb_size;
+
+ /* Initialize the gendisk of this ubiblock device */
+- gd = alloc_disk(1);
++ gd = alloc_disk(0);
+ if (!gd) {
+ pr_err("UBI: block: alloc_disk failed\n");
+ ret = -ENODEV;
+@@ -413,6 +413,7 @@ int ubiblock_create(struct ubi_volume_in
+ goto out_put_disk;
+ }
+ gd->private_data = dev;
++ gd->flags |= GENHD_FL_EXT_DEVT;
+ sprintf(gd->disk_name, "ubiblock%d_%d", dev->ubi_num, dev->vol_id);
+ set_capacity(gd, disk_capacity);
+ dev->gd = gd;
+--- a/block/partition-generic.c
++++ b/block/partition-generic.c
+@@ -18,6 +18,7 @@
+ #include <linux/ctype.h>
+ #include <linux/genhd.h>
+ #include <linux/blktrace_api.h>
++#include <linux/root_dev.h>
+
+ #include "partitions/check.h"
+
+@@ -634,6 +635,8 @@ rescan:
+ if (state->parts[p].flags & ADDPART_FLAG_RAID)
+ md_autodetect_dev(part_to_dev(part)->devt);
+ #endif
++ if ((state->parts[p].flags & ADDPART_FLAG_ROOTDEV) && ROOT_DEV == 0)
++ ROOT_DEV = part_to_dev(part)->devt;
+ }
+ free_partitions(state);
+ return 0;
+--- a/block/partitions/check.c
++++ b/block/partitions/check.c
+@@ -33,6 +33,7 @@
+ #include "ibm.h"
+ #include "ultrix.h"
+ #include "efi.h"
++#include "fit.h"
+ #include "karma.h"
+ #include "sysv68.h"
+ #include "cmdline.h"
+@@ -73,6 +74,9 @@ static int (*check_part[])(struct parsed
+ #ifdef CONFIG_EFI_PARTITION
+ efi_partition, /* this must come before msdos */
+ #endif
++#ifdef CONFIG_FIT_PARTITION
++ fit_partition,
++#endif
+ #ifdef CONFIG_SGI_PARTITION
+ sgi_partition,
+ #endif
+--- a/include/linux/genhd.h
++++ b/include/linux/genhd.h
+@@ -614,6 +614,7 @@ struct unixware_disklabel {
+ #define ADDPART_FLAG_NONE 0
+ #define ADDPART_FLAG_RAID 1
+ #define ADDPART_FLAG_WHOLEDISK 2
++#define ADDPART_FLAG_ROOTDEV 4
+
+ extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
+ extern void blk_free_devt(dev_t devt);
+--- /dev/null
++++ b/block/partitions/fit.h
+@@ -0,0 +1,2 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++int fit_partition(struct parsed_partitions *);
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
-@@ -652,6 +652,44 @@ static void __init ubiblock_create_from_
+@@ -652,6 +652,47 @@ static void __init ubiblock_create_from_
}
}
+ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++) {
+ desc = ubi_open_volume_nm(ubi_num, "rootfs", UBI_READONLY);
+ if (IS_ERR(desc))
++ desc = ubi_open_volume_nm(ubi_num, "fit", UBI_READONLY);;
++
++ if (IS_ERR(desc))
+ continue;
+
+ ubi_get_volume_info(desc, &vi);
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
-@@ -652,6 +652,44 @@ static void __init ubiblock_create_from_
+@@ -652,6 +652,47 @@ static void __init ubiblock_create_from_
}
}
+ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++) {
+ desc = ubi_open_volume_nm(ubi_num, "rootfs", UBI_READONLY);
+ if (IS_ERR(desc))
++ desc = ubi_open_volume_nm(ubi_num, "fit", UBI_READONLY);;
++
++ if (IS_ERR(desc))
+ continue;
+
+ ubi_get_volume_info(desc, &vi);
projects / openwrt / openwrt.git / commitdiff