On Tue, 30 Jul 2013 23:37:51 +0200 Marek Vasut <ma...@denx.de> wrote:
> Add special function that executes a specially crafted circular > DMA descriptor. The function doesn't wait for the descriptor to > finish the transfer, since the descritor never finishes. This is > useful when operating a SmartLCD through the LCDIF interface, as > the LCDIF does not give us any means to have continuous refresh > of the SmartLCD. Instead, the RUN bit in the LCDIF CTRL register > must be triggered manually. This can be worked around by starting > an DMA transfer which continuously sets the RUN bit. This function > allows starting exactly such transfer. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Anatolij Gustschin <ag...@denx.de> > Cc: Fabio Estevam <fabio.este...@freescale.com> > Cc: Otavio Salvador <ota...@ossystems.com.br> > Cc: Stefano Babic <sba...@denx.de> > --- > arch/arm/include/asm/imx-common/dma.h | 2 ++ > drivers/dma/apbh_dma.c | 22 ++++++++++++++++++++++ > 2 files changed, 24 insertions(+) Applied to u-boot-video/master. Thanks! Anatolij _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
