[U-Boot] [PATCH] ppc4xx: amcc: Set CONFIG_SYS_BOOTMAPSZ to 16MB to enable booting of big kernels

Peter Tyser ptyser at xes-inc.com
Wed Jul 29 16:36:17 CEST 2009


Hi Stefan,

On Wed, 2009-07-29 at 16:25 +0200, Stefan Roese wrote:
> This patch changes CONFIG_SYS_BOOTMAPSZ from 8MB to 16MB which is the
> initial TLB on 40x PPC's in the Linux kernel. With this change even bigger
> Linux kernels (> 8MB) can be booted.

Might be nice to increase CONFIG_SYS_BOOTM_LEN at the same time.  Or
maybe something along the lines of changing CONFIG_SYS_BOOTM_LEN to be
based on CONFIG_SYS_BOOTMAPSZ in general as (at a glance) it looks like
they should generally be the same value.

Best,
Peter



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