On Thu, 14 Jul 2011 16:09:16 -0400 David Long <dave.l...@linaro.org> wrote:
> On Thu, 2011-07-14 at 14:43 -0500, Scott Wood wrote: > > > > You need to use lmb_reserve() to exclude any memory regions that are not > > suitable for boot images -- see powerpc's arch_lmb_reserve() and > > get_effective_memsize()/CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE. > > > If one excludes HIGHMEM from the area u-boot is allowed to relocate the > fdt/initrd to, then it will put it at the end of the 3/4GB boundary (can > one exclude all memory above the kernel start address?). You have memory below where the kernel is loaded? > This splits > memory into three, instead of two regions in the kernel. I don't think > that split ever goes away. Then there's the additional region we already > have to create for the Ducati memory. That's at least five memory > regions total. There are only eight regions currently allowed by > default. I don't have a feel for the implications of this, but it seems > unnecessary. What do you mean by a "region" here, and why can there only be eight of them? > Again, I don't think the problem is where u-boot relocates this data > TOO, but the fact that the new default is to relocate it at all. Is > there a reason for relocating this stuff? The initrd always used to be > happy left where it was. The user specified address might be in flash. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
