Do not abuse the start of image directly as the CBC-MAC IV, but
create separate overlaid field for this purpose.
Signed-off-by: Marek Vasut <marex@denx.de>

Implement a function that allocates space for an instructions
and fills in the fields on a per-command basis. Note that some
commands are still not implemented.
Signed-off-by: Marek Vasut <marex@denx.de>

Certain fields of the SB header are only available since v1.1
of the SB file format, document that.
Signed-off-by: Marek Vasut <marex@denx.de>

This patch adds all possible command flags that can be used with the
SB file format.
Signed-off-by: Marek Vasut <marex@denx.de>

Add details about the fields for all the commands, moreover align
the names of the fields with the documentation where it was not
confusing.
Signed-off-by: Marek Vasut <marex@denx.de>

Fill in the full table of SB command tags as they are listed in the
SB image specification.
Signed-off-by: Marek Vasut <marex@denx.de>

The SB image format specification calls the command identifier
a tag, so align the source this way. Also rename the commands
so they match the SB format specification.
Signed-off-by: Marek Vasut <marex@denx.de>

This will allow GCC to lint the sources even more.
Signed-off-by: Marek Vasut <marex@denx.de>

The type must be unsigned int, otherwise gcc -Wextra produces a warning.
Signed-off-by: Marek Vasut <marex@denx.de>

Markus Hubig authored Jun 05, 2013 and Marek Vasut committed Jun 05, 2013

According to http://webpages.charter.net/ppluzhnikov/linker.html

 , the
order of the libraries linked with the resulting executable on the linker
command line does matter and can cause linker to be unable to resolve
symbols if incorrect.
Signed-off-by: Markus Hubig <mhubig@imko.de>

Add support for i.MX23 u-boot.sb generation.
Signed-off-by: Marek Vasut <marex@denx.de>

Parse command line options so the input files from which u-boot.sb
is generated can be configured at runtime using these options.
Signed-off-by: Marek Vasut <marex@denx.de>

Add missing return value check for sb_load_binary() call.
Signed-off-by: Marek Vasut <marex@denx.de>

Add MX28 u-boot.sb SB image generator.

Tested on DENX M28EVK by generating u-boot.sb and then loading it
via mxsldr.
Signed-off-by: Marek Vasut <marex@denx.de>