/arch/mips/cobalt/console.c

http://github.com/mirrors/linux · C · 20 lines · 12 code · 5 blank · 3 comment · 2 complexity · 754139c0361cdc4ca28fabb77195f160 MD5 · raw file

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