u-boot.git/drivers/dma, branch v2009.08-rc2 Unnamed repository; edit this file 'description' to name the repository. 83xx: Add support for fsl_dma driver 2009-07-02T16:15:57+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:51+00:00 e94e460c6e8741f42dab6d8dd4b596ba5d9d79ae Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Reviewed-by: Ira W. Snyder <iws@ovro.caltech.edu> Tested-by: Ira W. Snyder <iws@ovro.caltech.edu> Acked-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Reviewed-by: Ira W. Snyder <iws@ovro.caltech.edu>
Tested-by: Ira W. Snyder <iws@ovro.caltech.edu>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Make DMA transactions snoopable 2009-07-02T04:12:05+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:49+00:00 6af015b86b86d94de7ca1b23a3890bc93a50c2ab Make DMA transactions snoopable so that CPUs can keep caches up-to-date. This allows dma transactions to be used for operations such as memory copies without any additional cache control operations. Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Make DMA transactions snoopable so that CPUs can keep caches up-to-date.
This allows dma transactions to be used for operations such as memory
copies without any additional cache control operations.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Break out common memory initialization function 2009-07-02T04:12:01+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:48+00:00 0d595f76bc9c7c8dff5bd31dffed87a840a03c56 Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
8xxx: Rename dma_xfer() to dmacpy() 2009-07-02T04:07:47+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:45+00:00 7892f619d40f4196e41e7114c5dfee9fad0f572f Also update dmacpy()'s argument order to match memcpy's and use phys_addr_t/phy_size_t for address/size arguments Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Also update dmacpy()'s argument order to match memcpy's and use
phys_addr_t/phy_size_t for address/size arguments

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Fix Channel Start bug in dma_check() 2009-07-02T04:07:45+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:44+00:00 484919cf3351212ebf748b9b13ece1ddaf7e7d1c The Channel Start (CS) bit in the Mode Register (MR) should actually be cleared as the comment in the code suggests. Previously, CS was being set, not cleared. Assuming normal operation of the DMA engine, this change shouldn't have any real affect. Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
The Channel Start (CS) bit in the Mode Register (MR) should actually be
cleared as the comment in the code suggests.  Previously, CS was being
set, not cleared.

Assuming normal operation of the DMA engine, this change shouldn't have
any real affect.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Add support for arbitrarily large transfers 2009-07-02T04:07:43+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:43+00:00 51402ac12be9a0025f16db51fbde7c050a54e5fe Support DMA transfers larger than the DMA controller's limit of (2 ^ 26 - 1) bytes Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Support DMA transfers larger than the DMA controller's limit of
(2 ^ 26 - 1) bytes

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Use proper I/O access functions 2009-07-02T04:02:24+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:42+00:00 a730393a362741c318b21771b8d7b2647e546c3e Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
fsl_dma: Add bitfield definitions for common registers 2009-07-02T04:01:55+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:41+00:00 9c06071a6077ba95e9d43226156e39567d5d064a Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
8xxx: Break out DMA code to a common file 2009-07-02T04:01:51+00:00 Peter Tyser ptyser@xes-inc.com 2009-06-30T22:15:40+00:00 017f11f68ef543e866be033bcb7b8058a8a380d8 DMA support is now enabled via the CONFIG_FSL_DMA define instead of the previous CONFIG_DDR_ECC Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
DMA support is now enabled via the CONFIG_FSL_DMA define instead of the
previous CONFIG_DDR_ECC

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
drivers/dma: Move conditional compilation to Makefile 2008-08-12T23:40:39+00:00 Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com 2008-08-12T23:40:39+00:00 88f57e093114a44aa9a858d52b099bcc52034a8c Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>