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--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
@@ -115,6 +115,35 @@ 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 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(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
+ strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
+ strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
+ COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
+
+ /* Terminate the table. */
+ t = tag_next(t);
+ t->hdr.tag = ATAG_NONE;
+ t->hdr.size = 0;
+}
+
static void __init wg302v1_init(void)
{
ixp4xx_sys_init();
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