arch/arm/mach-s5p64x0/include/mach/uncompress.h

   1 /* linux/arch/arm/mach-s5p64x0/include/mach/uncompress.h
   2  *
   3  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * S5P64X0 - uncompress code
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #ifndef __ASM_ARCH_UNCOMPRESS_H
  14 #define __ASM_ARCH_UNCOMPRESS_H
  15
  16 #include <mach/map.h>
  17 #include <plat/uncompress.h>
  18
  19 static void arch_detect_cpu(void)
  20 {
  21         unsigned int chipid;
  22
  23         chipid = *(const volatile unsigned int __force *) 0xE0100118;
  24
  25         if ((chipid & 0xff000) == 0x50000)
  26                 uart_base = (volatile u8 *)S5P6450_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
  27         else
  28                 uart_base = (volatile u8 *)S5P6440_PA_UART(CONFIG_S3C_LOWLEVEL_UART_PORT);
  29
  30         fifo_mask = S3C2440_UFSTAT_TXMASK;
  31         fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
  32 }
  33
  34 #endif /* __ASM_ARCH_UNCOMPRESS_H */