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__ */
53