On 12/08/17 19:04, Carl-Daniel Hailfinger wrote:
Backing up the current firmware from U-Boot over serial can take hours.
Booting a working Linux image for backup purposes is not always an option.
Using the tftpput command in U-Boot is the fastest and easiest way.

tftpput will upload the contents of a memory region to the TFTP server.
The IP address of the server is stored in the serverip variable.

Usage:
tftpput <memaddr> <length> <filename>

Example for a complete flash backup of an o2 Box 6431 (VGV7510KW22):
VGV7510KW22 # tftpput 0xB0000000 0x1000000 o2boxbackup.bin

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2...@gmx.net>
Hi,

by how much does this increase the binary size ?

    John



---
  .../patches/0022-MIPS-lantiq-add-default-openwrt-config.patch          | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git 
a/package/boot/uboot-lantiq/patches/0022-MIPS-lantiq-add-default-openwrt-config.patch
 
b/package/boot/uboot-lantiq/patches/0022-MIPS-lantiq-add-default-openwrt-config.patch
index 3b50c98..20bff44 100644
--- 
a/package/boot/uboot-lantiq/patches/0022-MIPS-lantiq-add-default-openwrt-config.patch
+++ 
b/package/boot/uboot-lantiq/patches/0022-MIPS-lantiq-add-default-openwrt-config.patch
@@ -8,7 +8,7 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierz...@gmail.com>
--- /dev/null
  +++ b/include/configs/openwrt-lantiq-common.h
-@@ -0,0 +1,39 @@
+@@ -0,0 +1,40 @@
  +/*
  + * Copyright (C) 2013 Luka Perkov <l...@openwrt.org>
  + *
@@ -21,6 +21,7 @@ Signed-off-by: Daniel Schwierzeck 
<daniel.schwierz...@gmail.com>
  +/* Commands */
  +#if defined(CONFIG_LTQ_SUPPORT_ETHERNET)
  +#define CONFIG_CMD_PING
++#define CONFIG_CMD_TFTPPUT
  +#endif
  +
  +/* Compression */


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