arch/arm/mach-gemini/include/mach/uncompress.h

   1 /*
   2  * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
   3  *
   4  * Based on mach-pxa/include/mach/uncompress.h:
   5  * Copyright:   (C) 2001 MontaVista Software Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #ifndef __MACH_UNCOMPRESS_H
  14 #define __MACH_UNCOMPRESS_H
  15
  16 #include <linux/serial_reg.h>
  17 #include <mach/hardware.h>
  18
  19 static volatile unsigned long * const UART = (unsigned long *)GEMINI_UART_BASE;
  20
  21 /*
  22  * The following code assumes the serial port has already been
  23  * initialized by the bootloader.  If you didn't setup a port in
  24  * your bootloader then nothing will appear (which might be desired).
  25  */
  26 static inline void putc(char c)
  27 {
  28         while (!(UART[UART_LSR] & UART_LSR_THRE))
  29                 barrier();
  30         UART[UART_TX] = c;
  31 }
  32
  33 static inline void flush(void)
  34 {
  35 }
  36
  37 /*
  38  * nothing to do
  39  */
  40 #define arch_decomp_setup()
  41
  42 #endif /* __MACH_UNCOMPRESS_H */