From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Mon, 14 Dec 2015 18:43:59 +0800 Subject: [U-Boot] [PATCH 3/5] ls102xa: Enable snoop and DVM message requests. In-Reply-To: References: <1449298754-7541-1-git-send-email-yao.yuan@freescale.com> <1449298754-7541-4-git-send-email-yao.yuan@freescale.com> <5665BAA2.7090003@freescale.com> Message-ID: <566E9D6F.4040101@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 12/14/2015 06:35 PM, Yuan Yao-B46683 wrote: > Hi York, > > I'm sorry I'm late replies. > > Thanks for reminding me. > We have some investigates and then depend on the document we think both snoop request and DVM are supported on those port. > So we think the setting should be ok in here. > I think your conclusion is correct but not your reasoning. I did some digging myself. These registers (snoop control) have top two bits indicating if a slave interface supports snoop and/or DVM messages. If the feature is disabled, writing the enabling bit is ignored. No more action for you. York