X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=doc%2Ffeature-removal-schedule.txt;h=ffe261513c86867b3b6a0c53191ad868e02b4532;hb=bbf2abc0f5a5be0b8081ae8587fa90b376160444;hp=f973403362e1f67c1ec0ddc7d6ce3db0cb58c43b;hpb=0d8cb9c04facc029baf4beee5a7e389be343a915;p=platform%2Fkernel%2Fu-boot.git diff --git a/doc/feature-removal-schedule.txt b/doc/feature-removal-schedule.txt index f973403..ffe2615 100644 --- a/doc/feature-removal-schedule.txt +++ b/doc/feature-removal-schedule.txt @@ -1,28 +1,55 @@ The following is a list of files and features that are going to be removed from the U-Boot source tree. Every entry should contain what exactly is going away, when it will be gone, why it is being removed, -and who is going to be doing the work. When the feature is removed +and who is going to be doing the work. When the feature is removed from U-Boot, its corresponding entry should also be removed from this file. --------------------------- +What: CONFIG_SYS_ARM_WITHOUT_RELOC option +When: After Release 2011.03 -What: "autoscr" command -When: Release 2009-09 +Why: The implementation of U-Boot for the ARM architecture has + been reworked to support relocation. This allows to + efficiently use the same U-Boot binary image on systems with + different RAM sizes, and brings the implementation much more + in line with the code used for example on Power Architecture + systems (eventually allowing to merge into common code). This + seems especailly interesting now that ARM is getting Device + Tree support as well. -Why: "autosrc" is an ugly and completely non-standard name. - The "autoscr" command is deprecated and will be replaced by + All ARM boards need to be adapted to this new code, which + requires testing on the actual hardware, so this is a task + for the respective board maintainers or other users. - the "source" command as used by other shells such as bash. + Please see the commit message of commit f1d2b31 for details: - Starting with March 2009, both commands will be supported for - a transition period of 6 months after which "autoscr" will be - removed. During the transition period existing scripts and - environment variable names remain untouched for maximum - compatibiltiy; thse will be changed when support for the - "autoscr" command get's finally dropped. + http://git.denx.de/?p=u-boot.git;a=commit;h=f1d2b31 -Who: Peter Tyser + Support for CONFIG_SYS_ARM_WITHOUT_RELOC will be removed + after release v2011.03; all boards that have not been + converted by then, i. e. that are still broken then, are + considered unmaintained and without interest for the + community and will be removed as well. + +--------------------------- + +What: CONFIG_NET_MULTI option +When: Release 2009-11 + +Why: U-boot currently implements two network driver APIs. New drivers with + the older-style implementation have not been accepted for a while, and + this parallel system makes the code confusing and hard to augment. + + All existing in-tree boards will be converted to use CONFIG_NET_MULTI + over the span of two releases (2009-07 and 2009-09). + In the 2009-11 release, all code that is compiled when CONFIG_NET_MULTI + is not set will be removed, and all references to CONFIG_NET_MULTI + will be removed, effectively making it the only API. This should + provide ample time for out-of-tree users to adjust, and for tools on + all architectures to be made to work with weak functions. + +Who: Ben Warren --------------------------- @@ -37,23 +64,3 @@ Why: Over time, a couple of files have sneaked in into the U-Boot for an old and probably incomplete list of such files. Who: Wolfgang Denk and board maintainers - ---------------------------- - -What: Individual I2C commands -When: April 2009 -Why: Per the U-Boot README, individual I2C commands such as "imd", "imm", - "imw", etc are deprecated. The single "i2c" command which is - currently enabled via CONFIG_I2C_CMD_TREE contains the same - functionality as the individual I2C commands. The individual - I2C commands should be removed as well as any references to - CONFIG_I2C_CMD_TREE. -Who: Peter Tyser - ---------------------------- - -What: Legacy NAND code -When: April 2009 -Why: Legacy NAND code is deprecated. Similar functionality exists in - more recent NAND code ported from the Linux kernel. -Who: Scott Wood