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* mtd: Add MTD concat support to concatenate multiple MTD NOR devicesStefan Roese2009-06-12-4/+8
| | | | | | | | | This patch adds concatenation support to the U-Boot MTD infrastructure. By enabling CONFIG_MTD_CONCAT this MTD CFI wrapper will concatenate all found NOR devices into one single MTD device. This can be used by e.g by UBI to access a partition that spans over multiple NOR chips. Signed-off-by: Stefan Roese <sr@denx.de>
* Fixing coding style issuesWilliam Juul2008-08-12-3/+3
| | | | | | | | | - Fixing leading white spaces - Fixing indentation where 4 spaces are used instead of tab - Removing C++ comments (//), wherever I introduced them Signed-off-by: William Juul <william.juul@tandberg.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* Update MTD to that of Linux 2.6.22.1William Juul2008-08-12-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A lot changed in the Linux MTD code, since it was last ported from Linux to U-Boot. This patch takes U-Boot NAND support to the level of Linux 2.6.22.1 and will enable support for very large NAND devices (4KB pages) and ease the compatibility between U-Boot and Linux filesystems. This patch is tested on two custom boards with PPC and ARM processors running YAFFS in U-Boot and Linux using gcc-4.1.2 cross compilers. MAKEALL ppc/arm has some issues: * DOC/OneNand/nand_spl is not building (I have not tried porting these parts, and since I do not have any HW and I am not familiar with this code/HW I think its best left to someone else.) Except for the issues mentioned above, I have ported all drivers necessary to run MAKEALL ppc/arm without errors and warnings. Many drivers were trivial to port, but some were not so trivial. The following drivers must be examined carefully and maybe rewritten to some degree: cpu/ppc4xx/ndfc.c cpu/arm926ejs/davinci/nand.c board/delta/nand.c board/zylonite/nand.c Signed-off-by: William Juul <william.juul@tandberg.com> Signed-off-by: Stig Olsen <stig.olsen@tandberg.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* Add support for AMCC Sequoia PPC440EPx eval boardStefan Roese2006-09-07-0/+2
| | | | | | | | | | | - Add support for PPC440EPx & PPC440GRx - Add support for PPC440EP(x)/GR(x) NAND controller in cpu/ppc4xx directory - Add NAND boot functionality for Sequoia board, please see doc/README.nand-boot-ppc440 for details - This Sequoia NAND image doesn't support environment in NAND for now. This will be added in a short while. Patch by Stefan Roese, 07 Sep 2006
* Rewrite of NAND code based on what is in 2.6.12 Linux kernelWolfgang Denk2005-08-17-0/+44
Patch by Ladislav Michl, 29 Jun 2005