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* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-66/+66
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* mpc83xx: spd_sdram: fix ddr sdram base address assignment bugAnton Vorontsov2008-09-24-1/+1
| | | | | | | | | | | The spd_dram code shifts the base address, then masks 20 bits, but forgets to shift the base address back. Fix this by just masking the base address correctly. Found this bug while trying to relocate a DDR memory at the base != 0. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* MPC8349EMDS: Add PCI Agent (PCISLAVE) supportIra W. Snyder2008-08-25-0/+58
| | | | | | | | Add the ability for the MPC8349EMDS to run in PCI Agent mode, acting as a PCI card rather than a host computer. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* MPC8349EMDS: use 83XX_GENERIC_PCI setup codeIra W. Snyder2008-08-25-317/+60
| | | | | | | | Change the MPC8349EMDS board to use the generic PCI initialization code for the mpc83xx cpu. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* Cleanup out-or-tree building for some boards (.depend)Wolfgang Denk2008-07-02-1/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Move conditional compilation of MPC8XXX SPI driver to MakefileBen Warren2008-07-01-1/+1
| | | | Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
* Change initdram() return type to phys_size_tBecky Bruce2008-06-12-1/+1
| | | | | | | | | | | | | | | | | | | This patch changes the return type of initdram() from long int to phys_size_t. This is required for a couple of reasons: long int limits the amount of dram to 2GB, and u-boot in general is moving over to phys_size_t to represent the size of physical memory. phys_size_t is defined as an unsigned long on almost all current platforms. This patch *only* changes the return type of the initdram function (in include/common.h, as well as in each board's implementation of initdram). It does not actually modify the code inside the function on any of the platforms; platforms which wish to support more than 2GB of DRAM will need to modify their initdram() function code. Build tested with MAKEALL for ppc, arm, mips, mips-el. Booted on powerpc MPC8641HPCN. Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
* SPI API improvementsHaavard Skinnemoen2008-06-03-13/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch gets rid of the spi_chipsel table and adds a handful of new functions that makes the SPI layer cleaner and more flexible. Instead of the spi_chipsel table, each board that wants to use SPI gets to implement three hooks: * spi_cs_activate(): Activates the chipselect for a given slave * spi_cs_deactivate(): Deactivates the chipselect for a given slave * spi_cs_is_valid(): Determines if the given bus/chipselect combination can be activated. Not all drivers may need those extra functions however. If that's the case, the board code may just leave them out (assuming they know what the driver needs) or rely on the linker to strip them out (assuming --gc-sections is being used.) To set up communication parameters for a given slave, the driver needs to call spi_setup_slave(). This returns a pointer to an opaque spi_slave struct which must be passed as a parameter to subsequent SPI calls. This struct can be freed by calling spi_free_slave(), but most driver probably don't want to do this. Before starting one or more SPI transfers, the driver must call spi_claim_bus() to gain exclusive access to the SPI bus and initialize the hardware. When all transfers are done, the driver must call spi_release_bus() to make the bus available to others, and possibly shut down the SPI controller hardware. spi_xfer() behaves mostly the same as before, but it now takes a spi_slave parameter instead of a spi_chipsel function pointer. It also got a new parameter, flags, which is used to specify chip select behaviour. This may be extended with other flags in the future. This patch has been build-tested on all powerpc and arm boards involved. I have not tested NIOS since I don't have a toolchain for it installed, so I expect some breakage there even though I've tried fixing up everything I could find by visual inspection. I have run-time tested this on AVR32 ATNGW100 using the atmel_spi and DataFlash drivers posted as a follow-up. I'd like some help testing other boards that use the existing SPI API. But most of all, I'd like some comments on the new API. Is this stuff usable for everyone? If not, why? Changed in v4: - Build fixes for various boards, drivers and commands - Provide common struct spi_slave definition that can be extended by drivers - Pass a struct spi_slave * to spi_cs_activate and spi_cs_deactivate - Make default bus and mode build-time configurable - Override default SPI bus ID and mode on mx32ads and imx31_litekit. Changed in v3: - Add opaque struct spi_slave for controller-specific data associated with a slave. - Add spi_claim_bus() and spi_release_bus() - Add spi_free_slave() - spi_setup() is now called spi_setup_slave() and returns a struct spi_slave - soft_spi now supports four SPI modes (CPOL|CPHA) - Add bus parameter to spi_setup_slave() - Convert the new i.MX32 SPI driver - Convert the new MC13783 RTC driver Changed in v2: - Convert the mpc8xxx_spi driver and the mpc8349emds board to the new API. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Tested-by: Guennadi Liakhovetski <lg@denx.de>
* Big white-space cleanup.Wolfgang Denk2008-05-21-1/+1
| | | | | | | | | | | This commit gets rid of a huge amount of silly white-space issues. Especially, all sequences of SPACEs followed by TAB characters get removed (unless they appear in print statements). Also remove all embedded "vim:" and "vi:" statements which hide indentation problems. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Remove erroneous or extra spd.h #includers.Jon Loeliger2008-03-05-3/+1
| | | | | | | | | | Many of the spd.h #includers don't need it, and wanted to have spd_sdram() declared instead. Since they didn't get that, some also had open coded extern declarations of it instead or as well. Fix it all up by using spd_sdram.h where needed. Signed-off-by: Jon Loeliger <jdl@freescale.com>
* codingstyle cleanup for spi driverKim Phillips2008-01-17-1/+1
| | | | | | ..and rm unused CONFIG_FSL_SPI define Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* Implement hard SPI driver on MPC8349EMDSBen Warren2008-01-17-0/+29
| | | | | | | | This patch implements the fsl_spi driver on the MPC8349EMDS evaluation board. This board has an ST M25P40 4Mbit EEPROM on its SPI bus Signed-off-by: Ben Warren <biggerbadderben@gmail.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* mpc83xx: rm remaining FLAT_TREE codeKim Phillips2008-01-08-25/+2
| | | | | | ..in board pci.c files Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* mpc83xx: remove FLAT_TREE codeKim Phillips2008-01-08-13/+1
| | | | | | need to rm it from pci code, too! Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* mpc83xx: convert to using do_fixup_*()Kim Phillips2008-01-08-24/+27
| | | | | | | | | convert to using simpler mpc85xx style fdt update code; streamline by eliminating macros OF_SOC, OF_CPU, etc. which allows us to rm the old school FLAT_TREE code from 83xx (since the sbc8349 was just converted over to using libfdt). Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* Update libfdt from device tree compiler (dtc)Kumar Gala2007-11-21-2/+2
| | | | | | | Update libfdt to commit 8eaf5e358366017aa2e846c5038d1aa19958314e from the device tree compiler (dtc) project. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* mpc83xx: move freescale boards to boards/freescaleKim Phillips2007-08-16-0/+798
includes build fixes. Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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