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walnut.h

/*
 * Walnut board definitions
 *
 * Copyright (c) 2005 DENX Software Engineering
 * Stefan Roese <sr@denx.de>
 *
 * Based on original work by
 *    Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
 *    Frank Rowand <frank_rowand@mvista.com>
 *    Debbie Chu <debbie_chu@mvista.com>
 *    2000 (c) MontaVista, Software, Inc.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 */

#ifdef __KERNEL__
#ifndef __ASM_WALNUT_H__
#define __ASM_WALNUT_H__

#include <platforms/4xx/ibm405gp.h>
#include <asm/ppcboot.h>

/* Memory map for the IBM "Walnut" 405GP evaluation board.
 * Generic 4xx plus RTC.
 */

#define WALNUT_RTC_PADDR      ((uint)0xf0000000)
#define WALNUT_RTC_VADDR      WALNUT_RTC_PADDR
#define WALNUT_RTC_SIZE       ((uint)8*1024)

#define BASE_BAUD       691200

#define WALNUT_PS2_BASE       0xF0100000

/* Flash */
#define PPC40x_FPGA_BASE      0xF0300000
#define PPC40x_FPGA_REG_OFFS  5     /* offset to flash map reg */
#define PPC40x_FLASH_ONBD_N(x)      (x & 0x02)
#define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
#define PPC40x_FLASH_LOW      0xFFF00000
#define PPC40x_FLASH_HIGH     0xFFF80000
#define PPC40x_FLASH_SIZE     0x80000
#define WALNUT_FPGA_BASE      PPC40x_FPGA_BASE

#define PPC4xx_MACHINE_NAME   "IBM Walnut"

#endif /* __ASM_WALNUT_H__ */
#endif /* __KERNEL__ */

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