include/asm-arm/arch-aaec2000/uncompress.h

   1 /*
   2  *  linux/include/asm-arm/arch-aaec2000/uncompress.h
   3  *
   4  *  Copyright (c) 2005 Nicolas Bellido Y Ortega
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __ASM_ARCH_UNCOMPRESS_H
  12 #define __ASM_ARCH_UNCOMPRESS_H
  13
  14 #include "hardware.h"
  15
  16 #define UART(x)         (*(volatile unsigned long *)(serial_port + (x)))
  17
  18 static void putstr( const char *s )
  19 {
  20         unsigned long serial_port;
  21         do {
  22                 serial_port = _UART3_BASE;
  23                 if (UART(UART_CR) & UART_CR_EN) break;
  24                 serial_port = _UART1_BASE;
  25                 if (UART(UART_CR) & UART_CR_EN) break;
  26                 serial_port = _UART2_BASE;
  27                 if (UART(UART_CR) & UART_CR_EN) break;
  28                 return;
  29         } while (0);
  30
  31         for (; *s; s++) {
  32                 /* wait for space in the UART's transmitter */
  33                 while ((UART(UART_SR) & UART_SR_TxFF));
  34                 /* send the character out. */
  35                 UART(UART_DR) = *s;
  36                 /* if a LF, also do CR... */
  37                 if (*s == 10) {
  38                         while ((UART(UART_SR) & UART_SR_TxFF));
  39                         UART(UART_DR) = 13;
  40                 }
  41         }
  42 }
  43
  44 #define arch_decomp_setup()
  45 #define arch_decomp_wdog()
  46
  47 #endif /* __ASM_ARCH_UNCOMPRESS_H */