LXR linux/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}
  21