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  */
  18 static 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
  30 static 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()