/arch/mips/cobalt/console.c

 1/*
 2 * (C) P. Horton 2006
 3 */
 4#include <linux/io.h>
 5#include <linux/serial_reg.h>
 6
 7#include <cobalt.h>
 8
 9#define UART_BASE	((void __iomem *)CKSEG1ADDR(0x1c800000))
10
11void prom_putchar(char c)
12{
13	if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)
14		return;
15
16	while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))
17		;
18
19	writeb(c, UART_BASE + UART_TX);
20}