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59e890ef7bf5b80d96802e115255f969491ef645
u-boot-tk1-som/common
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Christian Gmeiner 59e890ef7b fs: make it possible to read the filesystem UUID 
Some filesystems have a UUID stored in its superblock. To
allow using root=UUID=... for the kernel command line we
need a way to read-out the filesystem UUID.

changes rfc -> v1:
 - make the environment variable an option parameter. If not
   given, the UUID is printed out. If given, it is stored in the env
   variable.
 - corrected typos
 - return error codes

changes v1 -> v2:
 - fix return code of do_fs_uuid(..)
 - document do_fs_uuid(..)
 - implement fs_uuid_unsuported(..) be more consistent with the
   way other optional functionality works

changes v2 -> v3:
 - change ext4fs_uuid(..) to make use of #if .. #else .. #endif
   construct to get rid of unreachable code

Hit any key to stop autoboot:  0
=> fsuuid
fsuuid - Look up a filesystem UUID

Usage:
fsuuid <interface> <dev>:<part>
    - print filesystem UUID
fsuuid <interface> <dev>:<part> <varname>
    - set environment variable to filesystem UUID

=> fsuuid mmc 0:1
d9f9fc05-45ae-4a36-a616-fccce0e4f887
=> fsuuid mmc 0:2
eb3db83c-7b28-499f-95ce-9e0bb21cda81
=> fsuuid mmc 0:1 uuid1
=> fsuuid mmc 0:2 uuid2
=> printenv uuid1
uuid1=d9f9fc05-45ae-4a36-a616-fccce0e4f887
=> printenv uuid2
uuid2=eb3db83c-7b28-499f-95ce-9e0bb21cda81
=>

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
2014-11-23 06:49:01 -05:00
..
spl
spl: Change debug to printf for "Unsupported boot-device"
2014-11-23 06:49:00 -05:00
aboot.c
aboot: fix block addressing for don't care chunk type
2014-10-27 17:54:09 -04:00
autoboot.c
autoboot: add its own header
2014-07-18 17:53:24 -04:00
bedbug.c
Consolidate bool type
2013-04-01 16:33:52 -04:00
board_f.c
common: board: use __weak
2014-10-24 16:04:59 -04:00
board_r.c
common: board_r: make local functions static
2014-10-25 07:02:00 -04:00
bootm_os.c
common: bootm_os: make arch_preboot_os __weak
2014-07-18 17:53:23 -04:00
bootm.c
x86: image: Add new image type for x64_64
2014-10-28 20:44:04 -06:00
bootretry.c
Rename bootretry functions and remove #ifdefs
2014-05-29 17:49:00 -04:00
bootstage.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
bouncebuf.c
Fix a few printf argument verification warnings
2014-09-15 13:32:55 -04:00
cli_hush.c
hush: make run_command() return an error on parsing failure
2014-11-07 16:27:06 -05:00
cli_readline.c
Move bootretry code into bootretry.c and clean up
2014-05-29 17:48:21 -04:00
cli_simple.c
cli: Export cli_simple_process_macros for use outside of cli_simple
2014-08-21 12:01:13 -04:00
cli.c
cli: hush: Adjust 'run' command to run each line of the env var
2014-10-27 11:03:33 -04:00
cmd_aes.c
aes: Add 'aes' command to access AES-128-CBC
2014-03-21 16:43:58 -04:00
cmd_ambapp.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_bdinfo.c
common: commands: make commands static
2014-07-18 17:53:23 -04:00
cmd_bedbug.c
Use run_command_repeatable()
2014-06-11 16:25:47 -04:00
cmd_blob.c
crypto/fsl: Add command for encapsulating/decapsulating blobs
2014-10-16 14:20:40 -07:00
cmd_bmp.c
Coding Style cleanup: replace leading SPACEs by TABs
2013-10-14 16:06:54 -04:00
cmd_boot.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_bootldr.c
Blackfin: bootldr: use common defines
2011-04-08 00:44:27 -04:00
cmd_bootm.c
x86: Support loading kernel setup from a FIT
2014-10-22 09:03:06 -06:00
cmd_bootmenu.c
Remove unnecessary use of hush header file
2014-05-29 17:45:31 -04:00
cmd_bootstage.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_cache.c
common: commands: make commands static
2014-07-18 17:53:23 -04:00
cmd_cbfs.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_clk.c
common: Add new clk command
2014-02-04 16:32:20 +01:00
cmd_console.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_cplbinfo.c
various cmd_* files: fixed layout a little bit
2010-08-09 01:07:37 +02:00
cmd_cramfs.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_dataflash_mmc_mux.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_date.c
Merge branch 'master' of git://git.denx.de/u-boot-i2c
2013-07-24 09:50:24 -04:00
cmd_dcr.c
Add cli_ prefix to readline functions
2014-05-29 17:45:31 -04:00
cmd_demo.c
dm: rename device struct to udevice
2014-05-27 10:21:32 -04:00
cmd_dfu.c
dfu: Provide means to find difference between dfu-util -e and -R
2014-09-02 14:29:28 +02:00
cmd_diag.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_disk.c
bootm: make use of legacy image format configurable
2014-06-05 14:44:56 -04:00
cmd_display.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_dtt.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_echo.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_eeprom.c
Revert "common, env: Fix support for environment in i2c eeprom"
2014-10-27 11:04:00 -04:00
cmd_elf.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
cmd_exit.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_ext2.c
Fix help text of ext2load and fatload.
2014-07-22 07:44:25 -04:00
cmd_ext4.c
ext4load: fix help text
2014-08-09 11:17:03 -04:00
cmd_fastboot.c
usb/gadget: fastboot: minor cleanup
2014-09-24 18:30:27 -04:00
cmd_fat.c
fs: implement size/fatsize/ext4size
2014-08-09 11:16:57 -04:00
cmd_fdc.c
bootm: make use of legacy image format configurable
2014-06-05 14:44:56 -04:00
cmd_fdt.c
fdt: Rename fdt_resize() to fdt_shrink_to_minimum()
2014-08-09 11:17:03 -04:00
cmd_fitupd.c
common/cmd_fitupd.c: restore corrupted file
2014-11-07 16:27:08 -05:00
cmd_flash.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_fpga.c
bootm: make use of legacy image format configurable
2014-06-05 14:44:56 -04:00
cmd_fpgad.c
common: Fix cmd_fpgad addressing
2014-11-19 08:48:41 +01:00
cmd_fs_uuid.c
fs: make it possible to read the filesystem UUID
2014-11-23 06:49:01 -05:00
cmd_fs.c
fs: implement size/fatsize/ext4size
2014-08-09 11:16:57 -04:00
cmd_fuse.c
Add the function 'confirm_yesno' for interactive
2014-05-23 11:53:05 +03:00
cmd_gettime.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_gpio.c
Merge git://git.denx.de/u-boot-dm
2014-10-26 14:03:08 -04:00
cmd_gpt.c
cmd:gpt: randomly generate each partition uuid if undefined
2014-04-02 16:36:06 -04:00
cmd_hash.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_help.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_i2c.c
common: commands: make commands static
2014-07-18 17:53:23 -04:00
cmd_ide.c
common: cmd_ide: use __weak and add prototypes
2014-07-22 07:44:26 -04:00
cmd_immap.c
powerpc: mpc8260: consolidate CONFIG_MPC8260 and CONFIG_8260
2014-03-07 10:59:06 -05:00
cmd_ini.c
SPDX-License-Identifier: convert BSD-3-Clause files
2013-08-19 15:45:35 -04:00
cmd_io.c
common/cmd_io.c: Fix incorrect help for iod/iow
2014-10-27 17:54:09 -04:00
cmd_iotrace.c
Add an I/O tracing feature
2014-06-20 11:54:29 -06:00
cmd_irq.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_itest.c
Fix itest mask overflow
2014-06-05 14:38:38 -04:00
cmd_jffs2.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_ldrinfo.c
Blackfin: ldrinfo: new command
2011-04-08 00:44:27 -04:00
cmd_led.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_license.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_load.c
Enable xmodem support
2013-08-16 13:45:15 -04:00
cmd_log.c
stdio: Pass device pointer to stdio methods
2014-07-23 14:07:23 +01:00
cmd_lzmadec.c
Add lzmadec command
2014-03-22 14:47:22 -06:00
cmd_mac.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_md5sum.c
cmd_md5sum.c: remove dead code / fix warning
2014-06-19 11:19:07 -04:00
cmd_mdio.c
net: add support for extended registers to mdio command
2013-11-22 16:50:52 -06:00
cmd_mem.c
cmd_mem: call unmap_sysmem() after map_sysmem()
2014-10-27 17:54:12 -04:00
cmd_mfsl.c
common: fsl: Fix broken SPDX-License-Identifier change
2013-10-16 09:24:38 -04:00
cmd_mii.c
common: cmd_mii: fix printf format warning
2014-07-18 17:53:24 -04:00
cmd_misc.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_mmc_spi.c
mmc: Split mmc struct, rework mmc initialization (v2)
2014-03-24 12:58:56 +02:00
cmd_mmc.c
cmd_mmc: fix bootpart-resize maxarg to 4
2014-10-03 17:26:50 +03:00
cmd_mp.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_mtdparts.c
Fix a few printf argument verification warnings
2014-09-15 13:32:55 -04:00
cmd_nand.c
cmd_nand: Update (nand_info_t*)nand after arg_off(_size) call
2014-09-24 18:30:29 -04:00
cmd_net.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_nvedit.c
Add option -r to env import to allow import of text files with CRLF as line endings
2014-07-22 07:44:26 -04:00
cmd_onenand.c
mtd: resync with Linux-3.7.1
2013-05-31 17:12:03 -05:00
cmd_otp.c
Add the function 'confirm_yesno' for interactive
2014-05-23 11:53:05 +03:00
cmd_part.c
common: commands: make commands static
2014-07-18 17:53:23 -04:00
cmd_pci.c
Rename bootretry functions and remove #ifdefs
2014-05-29 17:49:00 -04:00
cmd_pcmcia.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_portio.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_pxe.c
pxe: Ensure we don't overflow bootargs
2014-10-10 09:44:21 -04:00
cmd_read.c
Add a command to read raw blocks from a partition
2012-12-11 13:17:33 -07:00
cmd_reginfo.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_reiser.c
cmd_reiser: normalize 'file not found' errors
2013-11-08 15:25:13 -05:00
cmd_sandbox.c
sandbox: restore ability to access host fs through standard commands
2014-06-23 15:37:23 -06:00
cmd_sata.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_scsi.c
scsi: Use correct printf() format string for uintptr_t
2014-10-27 11:04:01 -04:00
cmd_setexpr.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_sf.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
cmd_sha1sum.c
includes: move openssl headers to include/u-boot
2014-06-19 11:19:04 -04:00
cmd_softswitch.c
blackfin: bf609: add softswitch config command
2013-05-13 16:26:12 +08:00
cmd_sound.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_source.c
common: commands: make commands static
2014-07-18 17:53:23 -04:00
cmd_spi.c
dm: spi: Adjust cmd_spi to work with driver model
2014-10-22 10:36:47 -06:00
cmd_spibootldr.c
various cmd_* files: fixed layout a little bit
2010-08-09 01:07:37 +02:00
cmd_spl.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_strings.c
Convert cmd_usage() calls in common to use a return value
2012-03-06 21:09:46 +01:00
cmd_terminal.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_test.c
cmd_test: implement -e test for file existence
2014-02-19 09:47:34 -05:00
cmd_thordown.c
thor: defer parsing of device string to IO backend
2014-08-09 11:17:00 -04:00
cmd_time.c
cmd_time: do not show ticks
2014-05-12 15:19:46 -04:00
cmd_tpm.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_trace.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_tsi148.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_ubi.c
mtd, ubi, ubifs: resync with Linux-3.14
2014-08-25 19:25:55 -04:00
cmd_ubifs.c
mtd, ubi, ubifs: resync with Linux-3.14
2014-08-25 19:25:55 -04:00
cmd_universe.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
cmd_unzip.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_usb_mass_storage.c
ums: allow the user to specify the device type
2014-05-08 10:38:29 +02:00
cmd_usb.c
usb: kbd: Allow "usb reset" to continue when an usb kbd is used
2014-10-06 14:50:43 +02:00
cmd_version.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
cmd_ximg.c
bootm: make use of legacy image format configurable
2014-06-05 14:44:56 -04:00
cmd_yaffs2.c
u-boot: Update yaffs2 file system
2012-08-09 23:39:18 +02:00
cmd_zfs.c
cmd_zfs: normalize 'file not found' errors
2013-11-08 15:25:13 -05:00
cmd_zip.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
command.c
common: command: trivial coding style fixes
2014-10-27 17:54:12 -04:00
console.c
common:console: add missing include
2014-10-25 07:27:37 -04:00
cros_ec.c
dm: cros_ec: Add support for driver model
2014-10-22 10:36:53 -06:00
ddr_spd.c
driver/ddr/fsl: Add DDR4 support to Freescale DDR driver
2014-04-22 17:58:48 -07:00
dlmalloc.c
malloc: Output region when debugging
2014-11-12 07:25:42 +01:00
dlmalloc.src
Consolidate bool type
2013-04-01 16:33:52 -04:00
edid.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
env_attr.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
env_callback.c
common, env: optimize boottime
2014-01-14 09:01:06 -05:00
env_common.c
Add option -r to env import to allow import of text files with CRLF as line endings
2014-07-22 07:44:26 -04:00
env_dataflash.c
env: Add env_export() wrapper
2014-03-21 16:43:59 -04:00
env_eeprom.c
env_eeprom: Assign default environment during board_init_f
2014-06-05 14:44:56 -04:00
env_embedded.c
nand_spl: remove nand_spl infrastructure
2014-06-05 17:01:59 -04:00
env_fat.c
env_fat.c: Make sure our buffer is cache aligned
2014-08-09 11:26:34 -04:00
env_flags.c
common, env: optimize boottime
2014-01-14 09:01:06 -05:00
env_flash.c
env_flash.c: Drop unused variables
2014-04-17 17:44:36 -04:00
env_mmc.c
env_mmc: correct fini partition to match init partition
2014-10-03 17:26:50 +03:00
env_nand.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
env_nowhere.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
env_nvram.c
env: Add env_export() wrapper
2014-03-21 16:43:59 -04:00
env_onenand.c
env: Add env_export() wrapper
2014-03-21 16:43:59 -04:00
env_remote.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
env_sf.c
dm: Add spi.h header to a few files
2014-10-22 10:36:47 -06:00
env_ubi.c
env: Add env_export() wrapper
2014-03-21 16:43:59 -04:00
exports.c
dm: spi: Add a uclass for SPI
2014-10-22 10:36:46 -06:00
fb_mmc.c
usb/gadget: fastboot: implement sparse format
2014-09-24 18:30:27 -04:00
fdt_support.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
flash.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
hash.c
includes: move openssl headers to include/u-boot
2014-06-19 11:19:04 -04:00
hwconfig.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
image-android.c
image: Fix Android boot image support
2014-10-27 17:54:12 -04:00
image-fdt.c
image-fdt: boot_get_fdt() return value when no DTB exists
2014-11-07 16:27:05 -05:00
image-fit.c
x86: image: Add new image type for x64_64
2014-10-28 20:44:04 -06:00
image-sig.c
includes: move openssl headers to include/u-boot
2014-06-19 11:19:04 -04:00
image.c
x86: image: Add new image type for x64_64
2014-10-28 20:44:04 -06:00
iomux.c
Coding Style cleanup: remove trailing white space
2013-10-14 16:06:53 -04:00
iotrace.c
Add an I/O tracing feature
2014-06-20 11:54:29 -06:00
kallsyms.c
Add support for Linux-like kallsysms
2009-06-12 20:45:48 +02:00
Kconfig
kconfig: move CONFIG_CMD_IMPORTENV to Kconfig
2014-09-24 18:30:29 -04:00
kgdb_stubs.c
kgdb: add default generic stubs
2010-01-18 00:23:00 +01:00
kgdb.c
kgdb: Remove first_entry for kgdb
2014-09-16 12:23:56 -04:00
lcd.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
lynxkdi.c
checkpatch whitespace cleanups
2011-10-22 01:13:35 +02:00
main.c
common: main.c: make show_boot_progress __weak
2014-07-18 17:53:23 -04:00
Makefile
fs: make it possible to read the filesystem UUID
2014-11-23 06:49:01 -05:00
memsize.c
common: Add get_effective_memsize() to memsize.c
2014-02-21 11:06:13 -05:00
menu.c
misc: use __weak
2014-10-25 07:01:59 -04:00
miiphyutil.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
modem.c
modem.c: Switch to debug() from dbg found in common/console.c
2014-10-25 07:27:37 -04:00
s_record.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
splash.c
common:splash: use __weak
2014-07-18 17:53:23 -04:00
stdio.c
stdio: Fix memleak on stdio_deregister
2014-11-04 06:04:00 +01:00
system_map.c
Add support for Linux-like kallsysms
2009-06-12 20:45:48 +02:00
update.c
Add GPL-2.0+ SPDX-License-Identifier to source files
2013-07-24 09:44:38 -04:00
usb_hub.c
linux/kernel.h: sync min, max, min3, max3 macros with Linux
2014-11-23 06:48:30 -05:00
usb_kbd.c
usb: kbd: Add (optional) support for using an interrupt queue for polling
2014-11-04 06:04:01 +01:00
usb_storage.c
usb_storage: blacklist Enclosure Service Devices
2014-11-08 12:03:35 +01:00
usb.c
usb: Remove unnecessary portnr lookup from usb_new_device
2014-11-04 06:03:59 +01:00
xyzModem.c
common/xyzModem.c: move empty statements to newline
2014-06-11 16:27:06 -04:00