From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Wed, 22 Apr 2015 14:45:56 +0200 Subject: [U-Boot] [PATCH 1/1] ARM: mxs: Get boot mode from OCRAM In-Reply-To: <1427410391-20411-1-git-send-email-joerg.krause@embedded.rocks> References: <1427410391-20411-1-git-send-email-joerg.krause@embedded.rocks> Message-ID: <55379804.7000509@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 26/03/2015 23:53, J?rg Krause wrote: > Reading the boot mode pins after power-up does not necessarily represent the > boot mode used by the ROM loader. For example the state of a pin may have > changed because a recovery switch which was pressed to enter USB mode is > already released after plugging in USB. > > The ROM loader stores the value a fixed address in OCRAM. Use this value > instead of reading the boot map pins. > > The GLOBAL_BOOT_MODE_ADDR for i.MX28 is taken from an U-Boot patch for the > MX28EVK: > http://repository.timesys.com/buildsources/u/u-boot/u-boot-2009.08/u-boot-2009.08-mx28-201012211513.patch > > Leave the boot mode detection for the i.MX23 untouched. Someone has to test > whether the i.MX ROM loader does also store the boot mode in OCRAM and if the > address match. > > This patch superseeds my incorrect patch: > ARM: mxs: get boot mode from OTP > http://patchwork.ozlabs.org/patch/454930/ > > Signed-off-by: J?rg Krause > Cc: Stefano Babic > --- Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================