arch/arm/plat-stmp3xxx/include/mach/uncompress.h

   1 /*
   2  *
   3  * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
   4  * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
   5  */
   6
   7 /*
   8  * The code contained herein is licensed under the GNU General Public
   9  * License. You may obtain a copy of the GNU General Public License
  10  * Version 2 or later at the following locations:
  11  *
  12  * http://www.opensource.org/licenses/gpl-license.html
  13  * http://www.gnu.org/copyleft/gpl.html
  14  */
  15 #ifndef __ASM_PLAT_UNCOMPRESS_H
  16 #define __ASM_PLAT_UNCOMPRESS_H
  17
  18 /*
  19  * Register includes are for when the MMU enabled; we need to define our
  20  * own stuff here for pre-MMU use
  21  */
  22 #define UARTDBG_BASE            0x80070000
  23 #define UART(c)                 (((volatile unsigned *)UARTDBG_BASE)[c])
  24
  25 /*
  26  * This does not append a newline
  27  */
  28 static void putc(char c)
  29 {
  30         /* Wait for TX fifo empty */
  31         while ((UART(6) & (1<<7)) == 0)
  32                 continue;
  33
  34         /* Write byte */
  35         UART(0) = c;
  36
  37         /* Wait for last bit to exit the UART */
  38         while (UART(6) & (1<<3))
  39                 continue;
  40 }
  41
  42 static void flush(void)
  43 {
  44 }
  45
  46 /*
  47  * nothing to do
  48  */
  49 #define arch_decomp_setup()
  50
  51 #define arch_decomp_wdog()
  52
  53 #endif /* __ASM_PLAT_UNCOMPRESS_H */