[MIPS] Cobalt: Fix UART I/O type

The Cobalt UART is actually connected to memory resource area.
Signed-off-by: NYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/cobalt/setup.c

@@ -130,7 +130,7 @@ void __init plat_mem_setup(void)
 
 	set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
 
-	/* I/O port resource must include UART and LCD/buttons */
+	/* I/O port resource must include LCD/buttons */
 	ioport_resource.end = 0x0fffffff;
 
 	/* request I/O space for devices used on all i[345]86 PCs */
@@ -149,24 +149,24 @@ void __init plat_mem_setup(void)
 	register_pci_controller(&cobalt_pci_controller);
 #endif
 
-#ifdef CONFIG_SERIAL_8250
 	if (cobalt_board_id > COBALT_BRD_ID_RAQ1) {
-
 #ifdef CONFIG_EARLY_PRINTK
 		cobalt_early_console();
 #endif
 
+#ifdef CONFIG_SERIAL_8250
 		uart.line	= 0;
 		uart.type	= PORT_UNKNOWN;
 		uart.uartclk	= 18432000;
 		uart.irq	= COBALT_SERIAL_IRQ;
-		uart.flags	= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
-		uart.iobase	= 0xc800000;
-		uart.iotype	= UPIO_PORT;
+		uart.flags	= UPF_IOREMAP | UPF_BOOT_AUTOCONF |
+				  UPF_SKIP_TEST;
+		uart.iotype	= UPIO_MEM;
+		uart.mapbase	= 0x1c800000;
 
 		early_serial_setup(&uart);
-	}
 #endif
+	}
 }
 
 /*