[PATCH] More Karo tx53 support

[Sascha Hauer]

This adds support for a newer board revision (xx30) and
adds things necessary to boot from nand.

----------------------------------------------------------------
Sascha Hauer (4):
      ARM i.MX53: enable imx53_init_lowlevel for pbl
      ARM i.MX tx53: Add rev xx30 board support
      ARM i.MX53: set bootsource location
      ARM i.MX Karo tx53: Add env depending on bootsource

 arch/arm/boards/karo-tx53/Makefile                |    3 +
 arch/arm/boards/karo-tx53/board.c                 |   29 +++-
 arch/arm/boards/karo-tx53/flash_header.c          |  152 ++++++++++++++++++++-
 arch/arm/configs/tx53stk5_defconfig               |   12 +-
 arch/arm/mach-imx/Kconfig                         |   13 +-
 arch/arm/mach-imx/Makefile                        |    1 +
 arch/arm/mach-imx/boot.c                          |   35 +++++
 arch/arm/mach-imx/imx53.c                         |    6 +-
 arch/arm/mach-imx/include/mach/generic.h          |    2 +
 arch/arm/mach-imx/include/mach/imx-flash-header.h |   33 +++++
 10 files changed, 273 insertions(+), 13 deletions(-)