From mboxrd@z Thu Jan 1 00:00:00 1970 From: sbabic at denx.de Date: Wed, 13 Mar 2019 09:29:45 +0000 (UTC) Subject: [U-Boot] [U-Boot, v2, 19/23] apalis_imx6: revert fuse value set in mfgr_fuse In-Reply-To: <20190208171226.16169-20-marcel@ziswiler.com> Stefan Agner , Max Krummenacher Message-ID: <20190313093407.B0BDAC2200D@lists.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 > From: Max Krummenacher > We have two commands to change the bootmode fuses: > mfgr_fuse which set fuse 0/5 and 0/6 > and > updt_fuse which burns bit 4 of 0/5. > Before BSP 2.6 we fused in mfgr_fuse 0x5062, which boots > from the user partition of the eMMC. > To workaround certain hangs we moved to fastboot mode and > using the first bootpartition of the eMMC requiring a fuse > value of 0x5072 which could be achieved by the then added > updt_fuse command. At the same time the mfgr_fuse command > was changed to also fuse 0x5072, revert that second change > so that one can fuse both values, one with just mfgr_fuse > and the later with mfgr_fuse;updt_fuse. > Note that the mfgr_fuse command is only needed at module > production time, a customer might need to use updt_fuse > when upgrading an older module to be compatible with a > newer image. The command is integrated into the image > update scripts. > Signed-off-by: Max Krummenacher > Acked-by: Stefan Agner > Acked-by: Marcel Ziswiler Applied to u-boot-imx, -next, 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 =====================================================================