From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Sun, 15 Mar 2015 17:51:11 -0400 Subject: [U-Boot] [U-Boot, V6, 08/11] ARM: DRA7 / OMAP5: Add workaround for ARM errata 798870 In-Reply-To: <1425939129-308-9-git-send-email-nm@ti.com> References: <1425939129-308-9-git-send-email-nm@ti.com> Message-ID: <20150315215111.GP32541@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Mon, Mar 09, 2015 at 05:12:06PM -0500, Nishanth Menon wrote: > From: Praveen Rao > > This patch enables the workaround for ARM errata 798870 for OMAP5 / > DRA7 which says "If back-to-back speculative cache line fills (fill > A and fill B) are issued from the L1 data cache of a CPU to the > L2 cache, the second request (fill B) is then cancelled, and the > second request would have detected a hazard against a recent write or > eviction (write B) to the same cache line as fill B then the L2 logic > might deadlock." > > An l2auxctlr accessor implementation for OMAP5 and DRA7 is introduced > here as well. > > Signed-off-by: Praveen Rao > Signed-off-by: Angela Stegmaier > Signed-off-by: Nishanth Menon > Reviewed-by: Tom Rini Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: