acrn-kernel/arch/mips/cobalt/console.c

21 lines
343 B
C

/*
* (C) P. Horton 2006
*/
#include <linux/io.h>
#include <linux/serial_reg.h>
#include <cobalt.h>
#define UART_BASE ((void __iomem *)CKSEG1ADDR(0x1c800000))
void prom_putchar(char c)
{
if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)
return;
while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))
;
writeb(c, UART_BASE + UART_TX);
}