[U-Boot] [PATCH] imx: dma: correct MXS_DMA_ALIGNMENT

[Marek Vasut]

On Thursday, May 21, 2015 at 03:16:32 AM, Peng Fan wrote:
> Hi Marek,

Hi!

> On Wed, May 20, 2015 at 01:06:21PM +0200, Marek Vasut wrote:
> >On Wednesday, May 20, 2015 at 04:28:48 AM, Peng Fan wrote:
> >> We should not hardcode MXS_DMA_ALIGNMENT to 32, since we can not
> >> guarantee that socs' cache line size is 32 bytes.
> >
> >> If on chips whose cache line size is 64 bytes, error occurs:
> >Which chips are those?
> 
> i.MX7's L1 Cache line size is 64 bytes.

Oh, I didn't know this was a public info. Oki, thanks for clarifying :)

> >> NAND:  ERROR: v7_dcache_inval_range - start address is not aligned -
> >> 0xbdf1d1a0 ERROR: v7_dcache_inval_range - stop address is not aligned -
> >> 0xbdf1f4a0 ERROR: v7_dcache_inval_range - start address is not aligned -
> >> 0xbdf1d1a0 "
> >> Align MXS_DMA_ALIGNMENT with ARCH_DMA_MINALIGN whose value is same to
> >> CONFIG_SYS_CACHELINE_SIZE if CONFIG_SYS_CACHELINE_SIZE defined.
> >> 
> >> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
> >
> >Acked-by: Marek Vasut <marex at denx.de>
> >
> >Best regards,
> >Marek Vasut
> 
> Regards,
> Peng.

Best regards,
Marek Vasut