LXR linux/arch/arm/mach-ebsa110/include/mach/uncompress.h

   1/*
   2 *  arch/arm/mach-ebsa110/include/mach/uncompress.h
   3 *
   4 *  Copyright (C) 1996,1997,1998 Russell King
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10
  11#include <linux/serial_reg.h>
  12
  13#define SERIAL_BASE     ((unsigned char *)0xf0000be0)
  14
  15/*
  16 * This does not append a newline
  17 */
  18static inline void putc(int c)
  19{
  20        unsigned char v, *base = SERIAL_BASE;
  21
  22        do {
  23                v = base[UART_LSR << 2];
  24                barrier();
  25        } while (!(v & UART_LSR_THRE));
  26
  27        base[UART_TX << 2] = c;
  28}
  29
  30static inline void flush(void)
  31{
  32        unsigned char v, *base = SERIAL_BASE;
  33
  34        do {
  35                v = base[UART_LSR << 2];
  36                barrier();
  37        } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
  38                 (UART_LSR_TEMT|UART_LSR_THRE));
  39}
  40
  41/*
  42 * nothing to do
  43 */
  44#define arch_decomp_setup()
  45#define arch_decomp_wdog()
  46