From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Fri, 28 Mar 2014 11:42:22 -0400 Subject: [U-Boot] [PATCH 1/6] add README.distro file In-Reply-To: <5331E5EE.1040906@wwwdotorg.org> References: <1392659798-1665-1-git-send-email-dennis@ausil.us> <1395353581-5839-1-git-send-email-dennis@ausil.us> <1395353581-5839-2-git-send-email-dennis@ausil.us> <5331E5EE.1040906@wwwdotorg.org> Message-ID: <20140328154222.GN16360@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 Tue, Mar 25, 2014 at 02:24:14PM -0600, Stephen Warren wrote: > On 03/20/2014 04:12 PM, Dennis Gilmore wrote: [snip] > > +You should not set initrd_high and fdt_high to 0xffffffff as the user should > > +not need to edit the memory locations having the initramfs and dtb being > > +relocatable is best to ensure the system will boot in all situations. > > Perhaps CONFIG_SYS_BOOTMAPSZ is worth a mention too. The commit > description for 7f1b767aea94 "ARM: tegra: define CONFIG_SYS_BOOTMAPSZ" > might be useful when writing this part of the document. I would swear (and I just dug up the notes from the last time I was looking at this) that no, CONFIG_SYS_BOOTMAPSZ is not sufficient because it doesn't cover the ramdisk case, which is important for generic distro, unless you also add in initrd_high=top-of-lowmem-value or know it'll be in an always-good spot and set it to 0xffffffff. -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: