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* Fix linker scripts: add NOLOAD atribute to .bss/.sbss sectionsWolfgang Denk2008-01-121-1/+1
| | | | | | | | | | | | | | | | | | | With recent toolchain versions, some boards would not build because or errors like this one (here for ocotea board when building with ELDK 4.2 beta): ppc_4xx-ld: section .bootpg [fffff000 -> fffff23b] overlaps section .bss [fffee900 -> fffff8ab] For many boards, the .bss section is big enough that it wraps around at the end of the address space (0xFFFFFFFF), so the problem will not be visible unless you use a 64 bit tool chain for development. On some boards however, changes to the code size (due to different optimizations) we bail out with section overlaps like above. The fix is to add the NOLOAD attribute to the .bss and .sbss sections, telling the linker that .bss does not consume any space in the image. Signed-off-by: Wolfgang Denk <wd@denx.de>
* fix comments with new drivers organizationMarcel Ziswiler2008-01-091-1/+1
| | | | Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
* ppc4xx: Fix Sequoia NAND booting targetStefan Roese2008-01-041-1/+5
| | | | | | | The Sequoia NAND booting target now uses the recently extracted cpu/ppc4xx/denali_data_eye.c file too. Signed-off-by: Stefan Roese <sr@denx.de>
* drivers/mtd : move mtd drivers to drivers/mtdJean-Christophe PLAGNIOL-VILLARD2007-11-251-1/+1
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Merge with /home/stefan/git/u-boot/bamboo-nandStefan Roese2007-06-011-2/+7
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| * ppc4xx: Update Sequoia NAND booting support with ECCStefan Roese2007-06-011-5/+6
| | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
* | ppc4xx: Sequoia: Remove cpu/ppc4xx/speed.c from NAND bootingStefan Roese2007-05-051-5/+1
|/ | | | | | | | Using cpu/ppc4xx/speed.c to calculate the bus frequency is too big for the 4k NAND boot image so define bus_frequency to 133MHz here which is save for the refresh counter setup. Signed-off-by: Stefan Roese <sr@denx.de>
* [PATCH] Speed optimization of AMCC Sequoia/Rainier DDR2 setupStefan Roese2007-03-061-1/+5
| | | | | | | | | | | | | | As provided by the AMCC applications team, this patch optimizes the DDR2 setup for 166MHz bus speed. The values provided are also save to use on a "normal" 133MHz PLB bus system. Only the refresh counter setup has to be adjusted as done in this patch. For this the NAND booting version had to include the "speed.c" file from the cpu/ppc4xx directory. With this addition the NAND SPL image will just fit into the 4kbytes of program space. gcc version 4.x as provided with ELDK 4.x is needed to generate this optimized code. Signed-off-by: Stefan Roese <sr@denx.de>
* [PATCH] Add DDR2 optimization code for Sequoia (440EPx) boardStefan Roese2007-01-051-0/+2
| | | | | | | | | | This code will optimize the DDR2 controller setup on a board specific basis. Note: This code doesn't work right now on the NAND booting image for the Sequoia board, since it doesn't fit into the 4kBytes for the SPL image. Signed-off-by: Stefan Roese <sr@denx.de>
* Fix sequoia separate object direcory building problems.Marian Balakowicz2006-10-231-24/+40
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* Update NAND boot documentationStefan Roese2006-09-121-2/+2
| | | | Patch by Stefan Roese, 12 Sep 2006
* Add support for AMCC Sequoia PPC440EPx eval boardStefan Roese2006-09-073-0/+197
- 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
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