arch/arm/mach-vexpress/include/mach/uncompress.h

   1 /*
   2  *  arch/arm/mach-vexpress/include/mach/uncompress.h
   3  *
   4  *  Copyright (C) 2003 ARM Limited
   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 as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #define AMBA_UART_DR(base)      (*(volatile unsigned char *)((base) + 0x00))
  21 #define AMBA_UART_LCRH(base)    (*(volatile unsigned char *)((base) + 0x2c))
  22 #define AMBA_UART_CR(base)      (*(volatile unsigned char *)((base) + 0x30))
  23 #define AMBA_UART_FR(base)      (*(volatile unsigned char *)((base) + 0x18))
  24
  25 #define get_uart_base() (0x10000000 + 0x00009000)
  26
  27 /*
  28  * This does not append a newline
  29  */
  30 static inline void putc(int c)
  31 {
  32         unsigned long base = get_uart_base();
  33
  34         while (AMBA_UART_FR(base) & (1 << 5))
  35                 barrier();
  36
  37         AMBA_UART_DR(base) = c;
  38 }
  39
  40 static inline void flush(void)
  41 {
  42         unsigned long base = get_uart_base();
  43
  44         while (AMBA_UART_FR(base) & (1 << 3))
  45                 barrier();
  46 }
  47
  48 /*
  49  * nothing to do
  50  */
  51 #define arch_decomp_setup()
  52 #define arch_decomp_wdog()