56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* arch/ppc/platforms/4xx/walnut.h
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*
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* Walnut board definitions
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*
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* Copyright (c) 2005 DENX Software Engineering
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* Stefan Roese <sr@denx.de>
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*
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* Based on original work by
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* Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
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* Frank Rowand <frank_rowand@mvista.com>
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* Debbie Chu <debbie_chu@mvista.com>
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* 2000 (c) MontaVista, Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifdef __KERNEL__
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#ifndef __ASM_WALNUT_H__
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#define __ASM_WALNUT_H__
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#include <linux/config.h>
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#include <platforms/4xx/ibm405gp.h>
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#include <asm/ppcboot.h>
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/* Memory map for the IBM "Walnut" 405GP evaluation board.
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* Generic 4xx plus RTC.
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*/
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#define WALNUT_RTC_PADDR ((uint)0xf0000000)
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#define WALNUT_RTC_VADDR WALNUT_RTC_PADDR
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#define WALNUT_RTC_SIZE ((uint)8*1024)
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#define BASE_BAUD 691200
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#define WALNUT_PS2_BASE 0xF0100000
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/* Flash */
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#define PPC40x_FPGA_BASE 0xF0300000
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#define PPC40x_FPGA_REG_OFFS 5 /* offset to flash map reg */
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#define PPC40x_FLASH_ONBD_N(x) (x & 0x02)
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#define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
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#define PPC40x_FLASH_LOW 0xFFF00000
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#define PPC40x_FLASH_HIGH 0xFFF80000
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#define PPC40x_FLASH_SIZE 0x80000
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#define WALNUT_FPGA_BASE PPC40x_FPGA_BASE
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#define PPC4xx_MACHINE_NAME "IBM Walnut"
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#endif /* __ASM_WALNUT_H__ */
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#endif /* __KERNEL__ */
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