MIPS: Cobalt: Move to 8250/16550 serial early printk driver

Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/948/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index ec3b2c4..9a8c2fe 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -17,6 +17,7 @@
 
 #include <asm/bootinfo.h>
 #include <asm/reboot.h>
+#include <asm/setup.h>
 #include <asm/gt64120.h>
 
 #include <cobalt.h>
@@ -112,6 +113,8 @@
 	}
 
 	add_memory_region(0x0, memsz, BOOT_MEM_RAM);
+
+	setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
 }
 
 void __init prom_free_prom_memory(void)