ixdp2x00.h

linux-2.6.15.6

/*
 * include/asm-arm/arch-ixp2000/ixdp2x00.h
 *
 * Register and other defines for IXDP2[48]00 platforms
 *
 * Original Author: Naeem Afzal <[e-mail]>
 * Maintainer: Deepak Saxena <[e-mail]>
 *
 * Copyright (C) 2002 Intel Corp.
 * Copyright (C) 2003-2004 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.
 */
#ifndef _IXDP2X00_H_
#define _IXDP2X00_H_

/*
 * On board CPLD memory map
 */
#define IXDP2X00_PHYS_CPLD_BASE		0xc7000000
#define IXDP2X00_VIRT_CPLD_BASE		0xfe000000
#define IXDP2X00_CPLD_SIZE		0x00100000


#define IXDP2X00_CPLD_REG(x)  	\
	(volatile unsigned long *)(IXDP2X00_VIRT_CPLD_BASE | x)

/*
 * IXDP2400 CPLD registers
 */
#define IXDP2400_CPLD_SYSLED		IXDP2X00_CPLD_REG(0x0)  
#define IXDP2400_CPLD_DISP_DATA		IXDP2X00_CPLD_REG(0x4)
#define IXDP2400_CPLD_CLOCK_SPEED	IXDP2X00_CPLD_REG(0x8)
#define IXDP2400_CPLD_INT_STAT		IXDP2X00_CPLD_REG(0xc)
#define IXDP2400_CPLD_REV		IXDP2X00_CPLD_REG(0x10)
#define IXDP2400_CPLD_SYS_CLK_M		IXDP2X00_CPLD_REG(0x14)
#define IXDP2400_CPLD_SYS_CLK_N		IXDP2X00_CPLD_REG(0x18)
#define IXDP2400_CPLD_INT_MASK		IXDP2X00_CPLD_REG(0x48)

/*
 * IXDP2800 CPLD registers
 */
#define IXDP2800_CPLD_INT_STAT		IXDP2X00_CPLD_REG(0x0)
#define IXDP2800_CPLD_INT_MASK		IXDP2X00_CPLD_REG(0x140)


#define	IXDP2X00_GPIO_I2C_ENABLE	0x02
#define	IXDP2X00_GPIO_SCL		0x07
#define	IXDP2X00_GPIO_SDA		0x06

/*
 * PCI devfns for on-board devices. We need these to be able to
 * properly translate IRQs and for device removal.
 */
#define	IXDP2400_SLAVE_ENET_DEVFN	0x18	/* Bus 1 */
#define	IXDP2400_MASTER_ENET_DEVFN	0x20	/* Bus 1 */
#define	IXDP2400_MEDIA_DEVFN		0x28	/* Bus 1 */
#define	IXDP2400_SWITCH_FABRIC_DEVFN	0x30	/* Bus 1 */

#define	IXDP2800_SLAVE_ENET_DEVFN	0x20	/* Bus 1 */
#define	IXDP2800_MASTER_ENET_DEVFN	0x18	/* Bus 1 */
#define	IXDP2800_SWITCH_FABRIC_DEVFN	0x30	/* Bus 1 */

#define	IXDP2X00_P2P_DEVFN		0x20	/* Bus 0 */
#define	IXDP2X00_21555_DEVFN		0x30	/* Bus 0 */
#define IXDP2X00_SLAVE_NPU_DEVFN	0x28	/* Bus 1 */
#define	IXDP2X00_PMC_DEVFN		0x38	/* Bus 1 */
#define IXDP2X00_MASTER_NPU_DEVFN	0x38	/* Bus 1 */

#ifndef __ASSEMBLY__
/*
 * Master NPU will always have flash and be PCI master.
 * Slave NPU may or may not have flash but will never be PCI master.
 */
static inline unsigned int ixdp2x00_master_npu(void)
{
	return ((ixp2000_has_flash()) && (ixp2000_is_pcimaster()));
}

/*
 * Helper functions used by ixdp2400 and ixdp2800 specific code
 */
void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long);
void ixdp2x00_slave_pci_postinit(void);
void ixdp2x00_init_machine(void);
void ixdp2x00_map_io(void);

#endif

#endif /*_IXDP2X00_H_ */