Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c
===================================================================
--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/nslu2-setup.c	2007-05-07 11:45:36.000000000 -0700
+++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c	2007-05-07 11:55:26.000000000 -0700
@@ -21,6 +21,7 @@
 #include <linux/mtd/mtd.h>
 
 #include <asm/setup.h>
+#include <asm/memory.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
@@ -232,33 +233,24 @@
     .init   = nslu2_timer_init,
 };
 
-static char nslu2_rtc_probe[] __initdata = "rtc-x1205.probe=0,0x6f ";
+static char nslu2_default_cmdline[] __initdata =
+    "init=/linuxrc root=/dev/mtdblock4 rootfstype=jffs2 rw rtc-x1205.probe=0,0x6f "
+    CONFIG_CMDLINE;
 
 static void __init nslu2_fixup(struct machine_desc *desc,
                 struct tag *tags, char **cmdline, struct meminfo *mi)
 {
-    struct tag *t = tags;
-    char *p = *cmdline;
+    /* The NSLU2 has one bank of 32MByte memory.
+     * NOTE: setting nr_banks != 0 causes kernel/setup.c to remove
+     * the mem tags from the tag list.  We need do nothing here!
+     */
+    mi->nr_banks=1;
+    mi->bank[0].start = 0;
+    mi->bank[0].size = (32*1024*1024);
+    mi->bank[0].node = PHYS_TO_NID(0);
 
-    /* Find the end of the tags table, taking note of any cmdline tag. */
-    for (; t->hdr.size; t = tag_next(t)) {
-        if (t->hdr.tag == ATAG_CMDLINE) {
-            p = t->u.cmdline.cmdline;
-        }
-    }
-
-    /* Overwrite the end of the table with a new cmdline tag. */
-    t->hdr.tag = ATAG_CMDLINE;
-    t->hdr.size = (sizeof (struct tag_header) +
-        strlen(nslu2_rtc_probe) + strlen(p) + 1 + 4) >> 2;
-    strlcpy(t->u.cmdline.cmdline, nslu2_rtc_probe, COMMAND_LINE_SIZE);
-    strlcpy(t->u.cmdline.cmdline + strlen(nslu2_rtc_probe), p,
-        COMMAND_LINE_SIZE - strlen(nslu2_rtc_probe));
-
-    /* Terminate the table. */
-    t = tag_next(t);
-    t->hdr.tag = ATAG_NONE;
-    t->hdr.size = 0;
+    /* Hard coded command line. */
+    strlcpy(*cmdline, nslu2_default_cmdline, COMMAND_LINE_SIZE);
 }
 
 static void __init nslu2_init(void)
@@ -286,7 +278,7 @@
 	/* Maintainer: www.nslu2-linux.org */
 	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
 	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
-	.boot_params	= 0x00000100,
+	.boot_params    = 0, /* because they are garbage from Linksys RedBoot */
 	.fixup          = nslu2_fixup,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,