From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Wed, 4 Dec 2019 17:39:12 -0500 Subject: What is the difference between ARCH_XXX MACH_XXX TARGET_XXX macros In-Reply-To: <20191204094906.GA24356@beer> References: <20191204094906.GA24356@beer> Message-ID: <20191204223912.GD9549@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 Wed, Dec 04, 2019 at 05:49:09PM +0800, Tim Williams wrote: > Hello, I am trying to port u-boot to a new board, > > There are several macros, how to use them properly? > > CONFIG_ARCH_XXX > CONFIG_MACH_XXX > CONFIG_TARGET_XXX > > for example, my board has: > > SoC: LS2K1000 > ISA: MIPS32r1, MIPS32r2, MIPS64r1, MIPS64r2 > Board: UselessRouter or HelloRouter, TBD > NIC: 4 1000Mbps NIC(No built in switcher) Code that is generic to LS2K1000 but not your boards should use CONFIG_SOC_xxx and everything board-specific should be CONFIG_TARGET_xxx. CONFIG_ARCH_xxx / CONFIG_MACH_xxx should get used likely sparingly, but we are indeed inconsistent and could use CONFIG_SOC_xxx in some of those cases. -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: