From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Date: Wed, 02 Nov 2011 18:11:06 -0500 Subject: [U-Boot] Booting two OS on dual core processor using U-boot. In-Reply-To: <4EB1CBD1.7030507@freescale.com> References: <4EB1CBD1.7030507@freescale.com> Message-ID: <1320275466.18743.6.camel@petert> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > > I have a query regarding U-Boot. Is it possible to boot two separate OS on > > a Dual/multi core processor using U-Boot. I want to implement AMP on a dual > > core processor and want to run two separate OS on a dual core arm cortex a9 > > processor. Did anybody tried the same thing earlier using the U-Boot. > > > > > > > > Any kind of help will be highly appreciated.. > > We've done this on powerpc, using bootm subcommands to prepare the > device tree, and then the "cpu" command in common/cmd_mp.c to boot > something on the second core. There are a few powerpc examples in doc/ directory too, eg doc/README.p2020rdb. Grepping for 'AMP' should find some more. Best, Peter