| Commit message (Collapse) | Author | Age | Lines |
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Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: John Otken john@softadvances.com <john@softadvances.com>
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The AMCC Luan now uses the common 440SP(e) DDR SPD code for DDR
inititializition. This includes DDR auto calibration and support
for different DIMM modules, instead of the fixed setup used in
the earlier version.
This patch also enables the cache in FLASH for the startup
phase of U-Boot (while running from FLASH). After relocating to
SDRAM the cache is disabled again. This will speed up the boot
process, especially the SDRAM setup, since there are some loops
for memory testing (auto calibration).
Signed-off-by: Stefan Roese <sr@denx.de>
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The AMCC Yucca now uses the common 440SP(e) DDR SPD code for DDR
inititializition. This includes DDR auto calibration and support
for different DIMM modules, instead of the fixed setup used in
the earlier version.
Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Stefan Roese <sr@denx.de>
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Define CONFIG_PROG_SDRAM_TLB so that the TLB entries for the
DDR memory are dynamically programmed matching the total size
of the equipped memory (DIMM modules).
Signed-off-by: Stefan Roese <sr@denx.de>
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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>
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This patch updates the recently added Katmai board support. The biggest
change is the support of ECC DIMM modules in the 440SP(e) SPD DDR2
driver.
Please note, that still some problems are left with some memory
configurations. See the driver for more details.
Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Stefan Roese <sr@denx.de>
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Now the AMCC eval boards Yosemite (440EP) and Yellowstone (440GR)
share one config file and all board specific files. This way we
don't have to maintain two different sets of files for nearly
identical boards.
Signed-off-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Stefan Roese <sr@denx.de>
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Some code cleanup.
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Now the board revision and the current PCI bus speed are printed after
the board message.
Also the EBC initialising is now done via defines in the board config
file.
Signed-off-by: Stefan Roese <sr@denx.de>
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Now the board revision and the current PCI bus speed are printed after
the board message.
Also the EBC initialising is now done via defines in the board config
file.
Signed-off-by: Stefan Roese <sr@denx.de>
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Now the board revision and the current PCI bus speed are printed after
the board message.
Signed-off-by: Stefan Roese <sr@denx.de>
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This fix will make the MAL burst disabling patch for the Linux
EMAC driver obsolete.
Signed-off-by: Stefan Roese <sr@denx.de>
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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>
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Now 32MByte and 64MByte FLASH is know to work and other
configurations should work too.
Signed-off-by: Stefan Roese <sr@denx.de>
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Based on patch by Mike Frysinger, 20 Jun 2006
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Patch by Stefan Roese, 30 Sep 2006
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Patch by Stefan Roese, 23 Sep 2006
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Patch by Stefan Roese, 07 Oct 2006
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Patch by Stefan Roese, 13 Sep 2006
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Patch by Stefan Roese, 12 Sep 2006
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- 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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Modifications are based on the linux kernel approach and
support two use cases:
1) Add O= to the make command line
'make O=/tmp/build all'
2) Set environement variable BUILD_DIR to point to the desired location
'export BUILD_DIR=/tmp/build'
'make'
The second approach can also be used with a MAKEALL script
'export BUILD_DIR=/tmp/build'
'./MAKEALL'
Command line 'O=' setting overrides BUILD_DIR environent variable.
When none of the above methods is used the local build is performed and
the object files are placed in the source directory.
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Patch by Tirumala R Marri, 26 Aug 2006
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Improved the memory DIMM detection for the Yucca 440SPe board for
the case where a memory DIMM is falsely detected as present.
This issue is seen on some AMCC Yucca 440SPe validation boards if
only one 512MB memory DIMM is installed, i.e. DIMM slot 0 is
populated and DIMM slot 1 is empty. In this case, U-Boot does
not correctly detect that there is only one DIMM memory module
installed and will falsely detect two DIMM memory modules are
present and therefore U-Boot will not calculate the correct amount
of total memory and u-boot will not booting up.
Patch by Adam Graham, 24 Aug 2006
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Patch by Stefan Roese, 07 Aug 2006
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AMCC suggested to set the PMU bit to 0 for best performace on
the PPC440 DDR controller.
Please see doc/README.440-DDR-performance for details.
Patch by Stefan Roese, 28 Jul 2006
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Please see doc/README.bamboo for details.
Patch by Stefan Roese, 27 Jul 2006
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The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module
integrated in a little aluminium case.
Patch by Martin Krause, 8 Jun 2006
Some code cleanup
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