From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Date: Thu, 21 May 2015 09:16:32 +0800 Subject: [U-Boot] [PATCH] imx: dma: correct MXS_DMA_ALIGNMENT In-Reply-To: <201505201306.21556.marex@denx.de> References: <1432088928-7414-1-git-send-email-Peng.Fan@freescale.com> <201505201306.21556.marex@denx.de> Message-ID: <20150521011629.GA25156@shlinux2> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Marek, 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. > >> 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 > >Acked-by: Marek Vasut > >Best regards, >Marek Vasut Regards, Peng. --