arch/ppc/platforms/4xx/walnut.h

   1 /*
   2  * Walnut board definitions
   3  *
   4  * Copyright (c) 2005 DENX Software Engineering
   5  * Stefan Roese <sr@denx.de>
   6  *
   7  * Based on original work by
   8  *      Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
   9  *      Frank Rowand <frank_rowand@mvista.com>
  10  *      Debbie Chu <debbie_chu@mvista.com>
  11  *      2000 (c) MontaVista, Software, Inc.
  12  *
  13  * This program is free software; you can redistribute  it and/or modify it
  14  * under  the terms of  the GNU General  Public License as published by the
  15  * Free Software Foundation;  either version 2 of the  License, or (at your
  16  * option) any later version.
  17  *
  18  */
  19
  20 #ifdef __KERNEL__
  21 #ifndef __ASM_WALNUT_H__
  22 #define __ASM_WALNUT_H__
  23
  24 #include <platforms/4xx/ibm405gp.h>
  25 #include <asm/ppcboot.h>
  26
  27 /* Memory map for the IBM "Walnut" 405GP evaluation board.
  28  * Generic 4xx plus RTC.
  29  */
  30
  31 #define WALNUT_RTC_PADDR        ((uint)0xf0000000)
  32 #define WALNUT_RTC_VADDR        WALNUT_RTC_PADDR
  33 #define WALNUT_RTC_SIZE         ((uint)8*1024)
  34
  35 #define BASE_BAUD               691200
  36
  37 #define WALNUT_PS2_BASE         0xF0100000
  38
  39 /* Flash */
  40 #define PPC40x_FPGA_BASE        0xF0300000
  41 #define PPC40x_FPGA_REG_OFFS    5       /* offset to flash map reg */
  42 #define PPC40x_FLASH_ONBD_N(x)  (x & 0x02)
  43 #define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
  44 #define PPC40x_FLASH_LOW        0xFFF00000
  45 #define PPC40x_FLASH_HIGH       0xFFF80000
  46 #define PPC40x_FLASH_SIZE       0x80000
  47 #define WALNUT_FPGA_BASE        PPC40x_FPGA_BASE
  48
  49 #define PPC4xx_MACHINE_NAME     "IBM Walnut"
  50
  51 #endif /* __ASM_WALNUT_H__ */
  52 #endif /* __KERNEL__ */