include/asm-arm/arch-tbox/uncompress.h

   1 /*
   2  * linux/include/asm-arm/arch-nexuspci/uncompress.h
   3  *  from linux/include/asm-arm/arch-ebsa110/uncompress.h
   4  *
   5  * Copyright (C) 1996,1997,1998 Russell King
   6  * Copyright (C) 1998, 1999 Phil Blundell
   7  */
   8
   9 #include <asm/io.h>
  10
  11 #define UARTBASE 0x00400000
  12
  13 /*
  14  * This does not append a newline
  15  */
  16 static void puts(const char *s)
  17 {
  18   while (*s)
  19   {
  20     char c = *(s++);
  21     while (!(__raw_readb(UARTBASE + 0x14) & 0x20));
  22     __raw_writeb(c, UARTBASE);
  23     if (c == 10) {
  24       while (!(__raw_readb(UARTBASE + 0x14) & 0x20));
  25       __raw_writeb(13, UARTBASE);
  26     }
  27   }
  28 }
  29
  30 /*
  31  * nothing to do
  32  */
  33 #define arch_decomp_setup()
  34
  35 /*
  36  * Stroke the watchdog so we don't get reset during decompression.
  37  */
  38 #define arch_decomp_wdog()                              \
  39         do {                                            \
  40         __raw_writel(1, 0xa00000);                      \
  41         __raw_writel(0, 0xa00000);                      \
  42         } while (0)