[U-Boot] [PATCH 3/6] spi: Add designware master SPI DM driver used on SoCFPGA

Marek Vasut marex at denx.de
Sat Nov 15 15:40:21 CET 2014


On Saturday, November 15, 2014 at 02:33:27 PM, Stefan Roese wrote:
> On 14.11.2014 21:16, Marek Vasut wrote:
> > On Wednesday, November 12, 2014 at 06:51:42 PM, Pavel Machek wrote:
> >> Hi!
> >> 
> >> You tripped my spell-checker, sorry.
> >> 
> >>> This patch adds the driver for the Designware master SPI controller.
> >>> This IP core is integrated on the Altera SoCFPGA. This implementation
> >>> is a driver model (DM) implementation. So multiple SPI drivers can be
> >>> used. Thats necessary, since SoCFPGA also integrates the Cadence QSPI
> >>> controller used to connect the SPI NOR flashes. Without DM, using
> >>> multiple SPI driver is not possible.
> >> 
> >> drivers.
> >> 
> >>> This driver is very loosly based on the Linux driver. Most of the
> >> 
> >> loosely?
> >> 
> >>> driver is removed. Only the polling loop for the transfer is really
> >>> used from this driver. As we don't support interrupts and DMA right
> >>> now.
> >> 
> >> , as
> >> 
> >>> + * Very loosly based on the Linux driver version which is:
> >> loosely. (And citing filename here might be useful.)
> > 
> > I fixed the text and I placed this whole driver patchset to
> > 
> > u-boot-socfpga:topic/drivers/spi-20141114
> > 
> > Can you please fix the code so I can replace that one patch ? Or just
> > send me one which I can squash into this patch, either way works.
> 
> Yes. I'll take a look at it tomorrow or on Monday.

Thank you !

Best regards,
Marek Vasut


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