From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Booting Linux on a Custom PPC Board From: Bob Beck To: wd@denx.de Cc: linuxppc-embedded@lists.linuxppc.org In-Reply-To: <20040302235149.72299C0655@atlas.denx.de> References: <20040302235149.72299C0655@atlas.denx.de> Content-Type: text/plain Message-Id: <1078249516.4228.7.camel@budweiser> Mime-Version: 1.0 Date: 03 Mar 2004 07:45:16 +1400 Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: On Wed, 2004-03-03 at 13:51, Wolfgang Denk wrote: > In message <1078181934.4198.20.camel@budweiser> you wrote: > > > > We are writing our own boot loader code for a couple of reasons. > > > > o U-Boot does not support our ethernet chip or serial chip. > > And you really think that developing a complete new bootloader > (including drivers for your ethernet and serial chips) is less effort > or easier that just adding these drivers to U-Boot? > > C'me on! Actually, we know we need to develop drivers for our ethernet and serial chips for Linux. We are not convinced yet that developing these drivers for U-Boot too is useful given the fact that VxWorks is already booted up. > > > o VxWorks is in flash and we cannot change that in the near future. > > o The VxWorks boot loader initializes the hardware and > > we run our custom boot loader from its shell. > > U-Boot can boot VxWorks just fine. > What I mean is that the VxWorks boot loader is already booting up an really old version of VxWorks. We aren't using VxWorks for this project for various reasons. It just happens to be part of the legacy development environment. Bob > > Best regards, > > Wolfgang Denk ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/