[U-Boot] [PATCH 6/7 v11] NAND: TPL : introduce the TPL based on the SPL

[York Sun]

On 08/16/2013 12:16 AM, ying.zhang at freescale.com wrote:
> From: Ying Zhang <b40530 at freescale.com>
> 
> Due to the nand SPL on some board(e.g. P1022DS)has a size limit, it can
> not be more than 4K. So, the SPL cannot initialize the DDR with the SPD
> code. This patch introduces TPL to enable a loader stub that is loaded
> by the code from the SPL. It initializes the DDR with the SPD or other
> operations.
> 
> The TPL's size is sizeable, the maximum size is decided by the memory's
> size that TPL runs. It initializes the DDR through SPD code, and copys
> final uboot image to DDR. So there are three stage uboot images:
> 	* spl_boot, * tpl_boot, * final uboot image
> 
> This patch is on top of the patch:
> 	SPL: Makefile: Build a separate autoconf.mk for SPL

These two lines are removed when applying.

> 
> Signed-off-by: Ying Zhang <b40530 at freescale.com>
> ---
> Change from v10:
> - No change.
> Change from v9:
> - Move the part revision to the other patch. for example:fsl_elbc_spl.c.
> - Modify the Makefile.
> - Modify doc/README.TPL, fix checkpatch warnings.
> Change from v8:
> - Modify the doc/README.TPL.
> - Modify the Makefile.
> - Modify the drivers/mtd/nand/fsl_elbc_spl.c.
> - Modify the spl/Makefile.
> Change from v7:
> - Modify the doc/README.TPL
> - Modify the spl/Makefile.
> Change from v6:
> - Modify the description of the patch.
> - Add the separate the autoconf.mk for TPL.
> - Delete the file tpl/Makefile and the directory tpl.
> - Reuse the spl/Makefie in TPL.
> Change from v5:
> - Use ifdef to define "nand_load_image" to non-static for non-SPL.
> Change from v4:
> - No change.
> Change from v3:
> - No change.
> Change from v2:
> - No change.
> Change from v1:
> - Split from "powerpc/p1022ds: nand: introduce the TPL based on the SPL".
> 
>  Makefile       |   50 ++++++++++++++++++++++++++++++++++++++++++--------
>  README         |   16 ++++++++++++++++
>  config.mk      |   30 ++++++++++++++++++++++++++++--
>  doc/README.TPL |   45 +++++++++++++++++++++++++++++++++++++++++++++
>  spl/Makefile   |   20 ++++++++++++++++----
>  5 files changed, 147 insertions(+), 14 deletions(-)
>  create mode 100644 doc/README.TPL
> 

Applied to u-boot-mpc85xx.git after removing "NAND" from the subject.

York