OpenWrt – Rev 4

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--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
@@ -117,6 +117,34 @@ static struct platform_device *wg302v1_d
        &wg302v1_eth[0],
 };
 
+static char wg302v1_mem_fixup[] __initdata = " mem=32M";
+
+static void __init wg302v1_fixup(struct tag *tags, char **cmdline)
+{
+       struct tag *t = tags;
+       char *p = *cmdline;
+       size_t fixlen, cmdlen;
+
+       /* 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;
+               }
+       }
+
+       fixlen = strlen(wg302v1_mem_fixup);
+       cmdlen = strlen(p);
+       if (fixlen + cmdlen >= COMMAND_LINE_SIZE)
+               return;
+
+       /* append the fixup to the cmdline */
+       memmove(p + cmdlen, wg302v1_mem_fixup, fixlen + 1);
+
+       /* Adjust the size of the atag if there was one */
+       if (t->hdr.size)
+               t->hdr.size += fixlen;
+}
+
 static void __init wg302v1_init(void)
 {
        ixp4xx_sys_init();