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       barrier();
  23     __raw_writeb(c, UARTBASE);
  24     if (c == 10) {
  25       while (!(__raw_readb(UARTBASE + 0x14) & 0x20))
  26         barrier();
  27       __raw_writeb(13, UARTBASE);
  28     }
  29   }
  30 }
  31
  32 /*
  33  * nothing to do
  34  */
  35 #define arch_decomp_setup()
  36
  37 /*
  38  * Stroke the watchdog so we don't get reset during decompression.
  39  */
  40 #define arch_decomp_wdog()                              \
  41         do {                                            \
  42         __raw_writel(1, 0xa00000);                      \
  43         __raw_writel(0, 0xa00000);                      \
  44         } while (0)