[MIPS] Cobalt: Move UART base definition to arch/mips/cobalt/console.c

They're only used in arch/mips/cobalt/console.c.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cobalt/console.c

 /*
  * (C) P. Horton 2006
  */
+#include <linux/io.h>
 #include <linux/serial_reg.h>
 
-#include <asm/addrspace.h>
-
-#include <cobalt.h>
+#define UART_BASE	((void __iomem *)CKSEG1ADDR(0x1c800000))
 
 void prom_putchar(char c)
 {
-	while(!(COBALT_UART[UART_LSR] & UART_LSR_THRE))
+	while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))
 		;
 
-	COBALT_UART[UART_TX] = c;
+	writeb(c, UART_BASE + UART_TX);
 }

include/asm-mips/mach-cobalt/cobalt.h

@@ -39,6 +39,4 @@ extern int cobalt_board_id;
 # define COBALT_KEY_SELECT	(1 << 7)
 # define COBALT_KEY_MASK	0xfe
 
-#define COBALT_UART		((volatile unsigned char *) CKSEG1ADDR(0x1c800000))
-
 #endif /* __ASM_COBALT_H */