From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Tue, 4 Aug 2015 08:51:56 -0700 Subject: [U-Boot] [PATCH 1/3] crypto/fsl - disable RNG oscillator maximum frequency check In-Reply-To: <1430833715-18193-2-git-send-email-alexandru.porosanu@freescale.com> References: <1430833715-18193-1-git-send-email-alexandru.porosanu@freescale.com> <1430833715-18193-2-git-send-email-alexandru.porosanu@freescale.com> Message-ID: <55C0DF9C.2070208@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 05/05/2015 06:48 AM, Alex Porosanu wrote: > The rtfrqmax & rtfrqmin set the bounds of the expected frequency of the > oscillator, when SEC runs at its maximum frequency. For certain platforms > (f.i. T2080), the oscillator is very fast and thus if the SEC runs at > a lower than normal frequency, the ring oscillator is incorrectly detected > as being out of bounds. > > This patch effectively disables the maximum frequency check, by setting a > high enough maximum allowable frequency for the oscillator. The reasoning > behind this is that usually a broken oscillator will run too slow > (i.e. not run at all) rather than run too fast. > > Signed-off-by: Alex Porosanu > --- Applied to u-boot-fsl-qoriq master with minor change in subject. Thanks. York