From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QbVBg-0005p9-TC for barebox@lists.infradead.org; Tue, 28 Jun 2011 10:06:33 +0000 Date: Tue, 28 Jun 2011 12:06:29 +0200 From: Sascha Hauer Message-ID: <20110628100629.GJ6069@pengutronix.de> References: <1309194834-2292-1-git-send-email-antonynpavlov@gmail.com> <1309194834-2292-2-git-send-email-antonynpavlov@gmail.com> <20110628051134.GN17355@game.jcrosoft.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 2/2] Add MIPS arch support to barebox To: Antony Pavlov Cc: barebox@lists.infradead.org On Tue, Jun 28, 2011 at 01:37:46PM +0400, Antony Pavlov wrote: > On 28/06/2011, Jean-Christophe PLAGNIOL-VILLARD wrote: > > On 21:13 Mon 27 Jun , Antony Pavlov wrote: > >> Only supported board is qemu malta: > >> * barebox works in uncached memory; > >> * no peripherals support, but serial port. > > > > please take a look on here > > http://git.jcrosoft.org/git?p=barebox.git;a=shortlog;h=refs/heads/mips > > > > the work start by Shinya Kuribayashi to support mips and barebox > > > > maybe you can merge both > > > > I took a look on it. > > I can build 'qemu' target with default config, but I can't see > any output in emulator. > > I can't even build 'malta' target with default config. > > Is it runnable at all? > > I think, that Shinya's concepts can be used in the future, but they > are very complex for initial mips support. > > IMHO, the Shinya's code is redundant (> 200K ) --- initial support > must be as small as possible. +1 for starting small. > > The file Kconfig is overcomplicated. Many variables are really unused: > DMA_NONCOHERENT, > SWAP_IO_SPACE > HW_HAS_PCI > SYS_SUPPORTS_{32,64}BIT_KERNEL > SYS_SUPPORTS_ARBIT_HZ > and others > > In other hand the options ARCH_TEXT_BASE and CPU_BIG_ENDIAN are useful > just now, but I have missed them. > > But now I see, that I can make my mips support better --- split big > patch and make some parts of code configurable. I forgot to say, it's good to split the board support and the architecture support. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox