On Thu, 14 Jul 2011 15:12:25 -0400 David Long <dave.l...@linaro.org> wrote:
> On Fri, 2011-07-15 at 03:50 +0900, Grant Likely wrote: > > > > Regardless of this patch, the pandaboard uboot still needs to be > > fixed. Setting an fdt_high variable is useful for debug, but it is not > > a fix. > > > > > Then someone needs to own the issue of stopping the current u-boot > default behavior of relocating the initrd and fdt to the end of RAM when > an fdt is present. This is an issue for any Linux ARM system with more > than 3/4GB of RAM, and probably for other 32-bit architectures. The > logic that causes the problem is in architecture-independent code, and > I'm not sure I'm necessarily the right guy to go rummaging around in > there. There are too many implications for any other currently > supported targets that use u-boot and fdt. 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. -scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
