include/asm-arm/arch-h720x/uncompress.h

   1 /*
   2  * linux/include/asm-arm/arch-h720x/uncompress.h
   3  *
   4  * Copyright (C) 2001-2002 Jungjun Kim
   5  */
   6
   7 #ifndef __ASM_ARCH_UNCOMPRESS_H
   8 #define __ASM_ARCH_UNCOMPRESS_H
   9
  10 #include <asm/arch/hardware.h>
  11
  12 #define LSR     0x14
  13 #define TEMPTY  0x40
  14
  15 static void putstr(const char *s)
  16 {
  17         char c;
  18         volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000);
  19
  20         while ( (c = *s++) != '\0') {
  21                 /* wait until transmit buffer is empty */
  22                 while((p[LSR] & TEMPTY) == 0x0);
  23                 /* write next character */
  24                 *p = c;
  25
  26                 if(c == '\n') {
  27                         while((p[LSR] & TEMPTY) == 0x0);
  28                         *p = '\r';
  29                 }
  30         }
  31 }
  32
  33 /*
  34  * nothing to do
  35  */
  36 #define arch_decomp_setup()
  37 #define arch_decomp_wdog()
  38
  39 #endif