mcpn765.h

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/*
 * arch/ppc/platforms/mcpn765.h
 * 
 * Definitions for Motorola MCG MCPN765 cPCI Board.
 *
 * Author: Mark A. Greer
 *         [e-mail]
 *
 * Copyright 2001 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.
 */

/*
 * From Processor to PCI:
 *   PCI Mem Space: 0x80000000 - 0xc0000000 -> 0x80000000 - 0xc0000000 (1 GB)
 *   PCI I/O Space: 0xfd800000 - 0xfe000000 -> 0x00000000 - 0x00800000 (8 MB)
 *	Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area
 *   MPIC in PCI Mem Space: 0xfe800000 - 0xfe830000 (not all used by MPIC)
 *
 * From PCI to Processor:
 *   System Memory: 0x00000000 -> 0x00000000
 */

#ifndef __PPC_PLATFORMS_MCPN765_H
#define __PPC_PLATFORMS_MCPN765_H

/* PCI Memory space mapping info */
#define	MCPN765_PCI_MEM_SIZE		0x40000000U
#define MCPN765_PROC_PCI_MEM_START	0x80000000U
#define MCPN765_PROC_PCI_MEM_END	(MCPN765_PROC_PCI_MEM_START +	\
					 MCPN765_PCI_MEM_SIZE - 1)
#define MCPN765_PCI_MEM_START		0x80000000U
#define MCPN765_PCI_MEM_END		(MCPN765_PCI_MEM_START +	\
					 MCPN765_PCI_MEM_SIZE - 1)

/* PCI I/O space mapping info */
#define	MCPN765_PCI_IO_SIZE		0x00800000U
#define MCPN765_PROC_PCI_IO_START	0xfd800000U
#define MCPN765_PROC_PCI_IO_END		(MCPN765_PROC_PCI_IO_START +	\
					 MCPN765_PCI_IO_SIZE - 1)
#define MCPN765_PCI_IO_START		0x00000000U
#define MCPN765_PCI_IO_END		(MCPN765_PCI_IO_START + 	\
					 MCPN765_PCI_IO_SIZE - 1)

/* System memory mapping info */
#define MCPN765_PCI_DRAM_OFFSET		0x00000000U
#define MCPN765_PCI_PHY_MEM_OFFSET	0x00000000U

#define MCPN765_ISA_MEM_BASE		0x00000000U
#define MCPN765_ISA_IO_BASE		MCPN765_PROC_PCI_IO_START

/* Define base addresses for important sets of registers */
#define MCPN765_HAWK_MPIC_BASE		0xfe800000U
#define MCPN765_HAWK_SMC_BASE		0xfef80000U
#define	MCPN765_HAWK_PPC_REG_BASE	0xfeff0000U

/* Define MCPN765 board register addresses. */
#define	MCPN765_BOARD_STATUS_REG	0xfef88080U
#define	MCPN765_BOARD_MODFAIL_REG	0xfef88090U
#define	MCPN765_BOARD_MODRST_REG	0xfef880a0U
#define	MCPN765_BOARD_TBEN_REG		0xfef880c0U
#define	MCPN765_BOARD_GEOGRAPHICAL_REG	0xfef880e8U
#define	MCPN765_BOARD_EXT_FEATURE_REG	0xfef880f0U
#define	MCPN765_BOARD_LAST_RESET_REG	0xfef880f8U

/* UART base addresses are defined in <asm-ppc/platforms/mcpn765_serial.h> */

/* Define the NVRAM/RTC address strobe & data registers */
#define MCPN765_PHYS_NVRAM_AS0          0xfef880c8U
#define MCPN765_PHYS_NVRAM_AS1          0xfef880d0U
#define MCPN765_PHYS_NVRAM_DATA         0xfef880d8U


extern void mcpn765_find_bridges(void);

#endif /* __PPC_PLATFORMS_MCPN765_H */