On 02/02/2013 06:55, Marek Vasut wrote: > This patch streamlines the differences between the MX23 and MX28 by > implementing a few helper functions to handle different DMA channel > mapping, different clock domain for SSP block and fixes a few minor > bugs. > > First of all, the DMA channel mapping is now fixed in dma.h by defining > the actual channel map for both MX23 and MX28. Thus, MX23 now does no > longer use MX28 channel map which was wrong. Also, there is a fix for > MX28 DMA channel map, where the last four channels were incorrect. > > Next, because correct DMA channel map is in place, the mxs_dma_init_channel() > call now bases the channel ID starting from SSP port #0. This removes the > need for DMA channel offset being added and cleans up the code. For the > same reason, the SSP0 offset can now be used in mxs_dma_desc_append(), thus > no need to adjust dma channel number in the driver either. > > Lastly, the SSP clock ID is now retrieved by calling mxs_ssp_clock_by_bus() > which handles the fact that MX23 has shared SSP clock for both ports, while > MX28 has per-port SSP clock. > > Finally, the mxs_ssp_bus_id_valid() pulls out two implementations of the > same functionality from MMC and SPI driver into common code. > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Fabio Estevam <[email protected]> > Cc: Otavio Salvador <[email protected]> > Cc: Stefano Babic <[email protected]> > --- > arch/arm/include/asm/arch-mxs/dma.h | 19 ++++++++++++++++++- > arch/arm/include/asm/arch-mxs/regs-ssp.h | 26 ++++++++++++++++++++++++++ > drivers/mmc/mxsmmc.c | 20 ++++---------------- > drivers/spi/mxs_spi.c | 4 ++-- > 4 files changed, 50 insertions(+), 19 deletions(-) > > NOTE: COMPILE TESTED ONLY!!! I need someone to actually test this stuff.
Hi all, I am thinking about how to proceed with this. Is there any plan to test it ? It would prefer that it runs at least once else merging it now without any test and fix later. Regards, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
