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kernel/linux-rt-4.4.41/arch/arm/mach-footbridge/include/mach/uncompress.h 801 Bytes
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  /*
   *  arch/arm/mach-footbridge/include/mach/uncompress.h
   *
   *  Copyright (C) 1996-1999 Russell King
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #include <asm/mach-types.h>
  
  /*
   * Note! This could cause problems on the NetWinder
   */
  #define DC21285_BASE ((volatile unsigned int *)0x42000160)
  #define SER0_BASE    ((volatile unsigned char *)0x7c0003f8)
  
  static inline void putc(char c)
  {
  	if (machine_is_netwinder()) {
  		while ((SER0_BASE[5] & 0x60) != 0x60)
  			barrier();
  		SER0_BASE[0] = c;
  	} else {
  		while (DC21285_BASE[6] & 8);
  		DC21285_BASE[0] = c;
  	}
  }
  
  static inline void flush(void)
  {
  }
  
  /*
   * nothing to do
   */
  #define arch_decomp_setup()