From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew May Date: Mon, 21 Mar 2005 10:22:25 -0800 Subject: [U-Boot-Users] more on booting uboot from flash on a memec evaluation board In-Reply-To: <1111420119l.20542l.2l@ipnnarval> References: <20050318173251.1EBFAC1510@atlas.denx.de> <1111397855l.19618l.0l@ipnnarval> <1111420119l.20542l.2l@ipnnarval> Message-ID: <1111429345.29601.4.camel@mud> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Mon, 2005-03-21 at 15:48 +0000, grave wrote: >More information on our design : > >We have 32 MB of RAM @ 0x00000000 >A flash system @ 0x0300000 Is that your only flash? It needs to be mapped at the top of mem so it provides the 0xfffffffc address. > .boot 0xfffffffc : > { > *(.boot) > } >} If flash is mapped at 0x0300000 then what does it read at 0xfffffffc? I think the typical ref designs call for using BRAM up there to put your boot code, but that may just be a waste to have it just jump to flash. You might at well move flash up to the top of the mem map.