[src/trunk]: src/sys/arch/evbarm/bcm53xx Support a MEMSIZE option

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b43330f8eb6b
branches:  trunk
changeset: 782254:b43330f8eb6b
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Oct 23 23:16:05 2012 +0000

description:
Support a MEMSIZE option

diffstat:

 sys/arch/evbarm/bcm53xx/bcm53xx_machdep.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 26141a4913cb -r b43330f8eb6b sys/arch/evbarm/bcm53xx/bcm53xx_machdep.c
--- a/sys/arch/evbarm/bcm53xx/bcm53xx_machdep.c Tue Oct 23 23:13:20 2012 +0000
+++ b/sys/arch/evbarm/bcm53xx/bcm53xx_machdep.c Tue Oct 23 23:16:05 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bcm53xx_machdep.c,v 1.5 2012/10/17 20:20:54 matt Exp $ */
+/*     $NetBSD: bcm53xx_machdep.c,v 1.6 2012/10/23 23:16:05 matt Exp $ */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -33,7 +33,7 @@
 #define IDM_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcm53xx_machdep.c,v 1.5 2012/10/17 20:20:54 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcm53xx_machdep.c,v 1.6 2012/10/23 23:16:05 matt Exp $");
 
 #include "opt_evbarm_boardtype.h"
 #include "opt_broadcom.h"
@@ -244,7 +244,10 @@
 #endif
 
        psize_t memsize = bcm53xx_memprobe();
-       //memsize = 512*1024*1024;
+#ifdef MEMSIZE
+       if ((memsize >> 20) > MEMSIZE)
+               memsize = MEMSIZE*1024*1024;
+#endif
        const bool bigmem_p = (memsize >> 20) > 256; 
 
        arm32_bootmem_init(KERN_VTOPHYS(KERNEL_BASE), memsize,