Index: linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
===================================================================
--- linux-2.6.24.2.orig/arch/arm/mach-ixp4xx/avila-setup.c
+++ linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
@@ -163,6 +163,35 @@ static struct platform_device *avila_dev
 	&avila_uart
 };
 
+static char avila_rtc_probe[] __initdata = "rtc-ds1672.probe=0,0x68 ";
+
+static void __init avila_fixup(struct machine_desc *desc,
+			struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+	struct tag *t = tags;
+	char *p = *cmdline;
+
+	/* 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(avila_rtc_probe) + strlen(p) + 1 + 4) >> 2;
+	strlcpy(t->u.cmdline.cmdline, avila_rtc_probe, COMMAND_LINE_SIZE);
+	strlcpy(t->u.cmdline.cmdline + strlen(avila_rtc_probe), p,
+		COMMAND_LINE_SIZE - strlen(avila_rtc_probe));
+
+	/* Terminate the table. */
+	t = tag_next(t);
+	t->hdr.tag = ATAG_NONE;
+	t->hdr.size = 0;
+}
+
 static void __init avila_init(void)
 {
 	ixp4xx_sys_init();
@@ -192,6 +221,7 @@ MACHINE_START(AVILA, "Gateworks Avila Ne
 	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
 	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
 	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+	.fixup          = avila_fixup,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
@@ -209,6 +239,7 @@ MACHINE_START(LOFT, "Giant Shoulder Inc 
 	/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
 	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
 	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+	.fixup          = avila_fixup,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,