From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Sun, 21 Apr 2013 22:29:02 +0200 Subject: [U-Boot] [PATCH V2 6/6] arm: mx5: Add support for DENX M53EVK In-Reply-To: <1643889946.6492.1366573601954.JavaMail.root@advansee.com> References: <1366559547-9063-1-git-send-email-marex@denx.de> <201304212112.31672.marex@denx.de> <1643889946.6492.1366573601954.JavaMail.root@advansee.com> Message-ID: <201304212229.03069.marex@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 Dear Beno?t Th?baudeau, > Dear Marek Vasut, > > On Sunday, April 21, 2013 9:12:31 PM, Marek Vasut wrote: > > Dear Beno?t Th?baudeau, > > > > > Dear Marek Vasut, > > > > > > On Sunday, April 21, 2013 5:52:27 PM, Marek Vasut wrote: > > > > Add basic support for the DENX M53EVK board. Currently supported is: > > > > MMC (incl. booting) > > > > > > > ^ > > > > > > Can you clarify this, please? > > > > Use u-boot.imx for SD booting as usual. > > > > > spl_boot_device() points only to NAND, so > > > you're clearly talking about hardware MMC boot, and not about hardware > > > NAND boot followed by SPL payload fetched from MMC. But MMC boot does > > > not need SPL here, in which case you will have to generate a simple > > > u-boot.imx, or you will rather want to use u-boot-with-spl.imx for SD > > > (NAND header dropped to leave room for MBR). And in the latter case, > > > why have spl_boot_device() point to NAND for MMC boot? > > > > No, regular u-boot.imx will be used for SD boot. > > OK. So this will require to call make with u-boot.imx as the explicit > target. Should this be documented somewhere, perhaps in a README file for > this board? > > Another solution would be, like for woodburn, to have an sd-specific > config: - m53evk_nand_config would define CONFIG_SPL from boards.cfg, so > u-boot-with-nand-spl.imx would be generated. > - mx53evk_sd_config would not define CONFIG_SPL from boards.cfg, so > u-boot.imx would be generated. > And CONFIG_SPL would be removed from m53evk.h. > > Or, change the various config.mk in order to build u-boot.imx even if > CONFIG_SPL is defined, which would be useless for some boards, but useful > here in order to avoid having 2 configs for almost the same build, while > still not having to explicitly give a make target. I'd love to see generic u-boot.nand , u-boot.sd etc. targets instead of these CPU specific stuffs. Best regards, Marek Vasut