target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.h

   1 /*
   2  * Support for IBM PPC 405EP-based MagicBox board
   3  *
   4  * Heavily based on bubinga.h
   5  *
   6  *
   7  * Author: SAW (IBM), derived from walnut.h.
   8  *         Maintained by MontaVista Software <source@mvista.com>
   9  *
  10  * 2003 (c) MontaVista Softare Inc.  This file is licensed under the
  11  * terms of the GNU General Public License version 2. This program is
  12  * licensed "as is" without any warranty of any kind, whether express
  13  * or implied.
  14  */
  15
  16 #ifdef __KERNEL__
  17 #ifndef __MAGICBOX_H__
  18 #define __MAGICBOX_H__
  19
  20 #include <linux/autoconf.h>
  21 #include <platforms/4xx/ibm405ep.h>
  22 #include <asm/ppcboot.h>
  23
  24 /* Memory map for the "MagicBox" 405EP evaluation board -- generic 4xx. */
  25
  26 /* The UART clock is based off an internal clock -
  27  * define BASE_BAUD based on the internal clock and divider(s).
  28  * Since BASE_BAUD must be a constant, we will initialize it
  29  * using clock/divider values which OpenBIOS initializes
  30  * for typical configurations at various CPU speeds.
  31  * The base baud is calculated as (FWDA / EXT UART DIV / 16)
  32  */
  33 #define BASE_BAUD       0
  34
  35 /* Flash */
  36 #define PPC40x_FPGA_BASE        0xF0300000
  37 #define PPC40x_FPGA_REG_OFFS    1       /* offset to flash map reg */
  38 #define PPC40x_FLASH_ONBD_N(x)  (x & 0x02)
  39 #define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
  40 #define PPC40x_FLASH_LOW        0xFFF00000
  41 #define PPC40x_FLASH_HIGH       0xFFF80000
  42 #define PPC40x_FLASH_SIZE       0x80000
  43
  44 #define PPC4xx_MACHINE_NAME     "MagicBox"
  45
  46 #endif /* __MAGICBOX_H__ */
  47 #endif /* __KERNEL__ */