--- a/arch/mips/ath79/prom.c
+++ b/arch/mips/ath79/prom.c
-@@ -136,6 +136,13 @@ void __init prom_init(void)
+@@ -136,6 +136,14 @@ void __init prom_init(void)
initrd_end = initrd_start + fw_getenvl("initrd_size");
}
#endif
+ if (strstr(arcs_cmdline, "board=750Gr3") ||
+ strstr(arcs_cmdline, "board=951G") ||
+ strstr(arcs_cmdline, "board=2011L") ||
++ strstr(arcs_cmdline, "board=711") ||
+ strstr(arcs_cmdline, "board=711Gr100") ||
+ strstr(arcs_cmdline, "board=922gs"))
+ ath79_prom_append_cmdline("console", "ttyS0,115200");