/* * (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); }