1 /*
2  * arch/arm/mach-ixp2000/include/mach/ixdp2x00.h
3  *
4  * Register and other defines for IXDP2[48]00 platforms
5  *
6  * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
7  * Maintainer: Deepak Saxena <dsaxena@plexity.net>
8  *
9  * Copyright (C) 2002 Intel Corp.
10  * Copyright (C) 2003-2004 MontaVista Software, Inc.
11  *
12  *  This program is free software; you can redistribute  it and/or modify it
13  *  under  the terms of  the GNU General  Public License as published by the
14  *  Free Software Foundation;  either version 2 of the  License, or (at your
15  *  option) any later version.
16  */
17 #ifndef _IXDP2X00_H_
18 #define _IXDP2X00_H_
19 
20 /*
21  * On board CPLD memory map
22  */
23 #define IXDP2X00_PHYS_CPLD_BASE		0xc7000000
24 #define IXDP2X00_VIRT_CPLD_BASE		0xfe000000
25 #define IXDP2X00_CPLD_SIZE		0x00100000
26 
27 
28 #define IXDP2X00_CPLD_REG(x)  	\
29 	(volatile unsigned long *)(IXDP2X00_VIRT_CPLD_BASE | x)
30 
31 /*
32  * IXDP2400 CPLD registers
33  */
34 #define IXDP2400_CPLD_SYSLED		IXDP2X00_CPLD_REG(0x0)
35 #define IXDP2400_CPLD_DISP_DATA		IXDP2X00_CPLD_REG(0x4)
36 #define IXDP2400_CPLD_CLOCK_SPEED	IXDP2X00_CPLD_REG(0x8)
37 #define IXDP2400_CPLD_INT_STAT		IXDP2X00_CPLD_REG(0xc)
38 #define IXDP2400_CPLD_REV		IXDP2X00_CPLD_REG(0x10)
39 #define IXDP2400_CPLD_SYS_CLK_M		IXDP2X00_CPLD_REG(0x14)
40 #define IXDP2400_CPLD_SYS_CLK_N		IXDP2X00_CPLD_REG(0x18)
41 #define IXDP2400_CPLD_INT_MASK		IXDP2X00_CPLD_REG(0x48)
42 
43 /*
44  * IXDP2800 CPLD registers
45  */
46 #define IXDP2800_CPLD_INT_STAT		IXDP2X00_CPLD_REG(0x0)
47 #define IXDP2800_CPLD_INT_MASK		IXDP2X00_CPLD_REG(0x140)
48 
49 
50 #define	IXDP2X00_GPIO_I2C_ENABLE	0x02
51 #define	IXDP2X00_GPIO_SCL		0x07
52 #define	IXDP2X00_GPIO_SDA		0x06
53 
54 /*
55  * PCI devfns for on-board devices. We need these to be able to
56  * properly translate IRQs and for device removal.
57  */
58 #define	IXDP2400_SLAVE_ENET_DEVFN	0x18	/* Bus 1 */
59 #define	IXDP2400_MASTER_ENET_DEVFN	0x20	/* Bus 1 */
60 #define	IXDP2400_MEDIA_DEVFN		0x28	/* Bus 1 */
61 #define	IXDP2400_SWITCH_FABRIC_DEVFN	0x30	/* Bus 1 */
62 
63 #define	IXDP2800_SLAVE_ENET_DEVFN	0x20	/* Bus 1 */
64 #define	IXDP2800_MASTER_ENET_DEVFN	0x18	/* Bus 1 */
65 #define	IXDP2800_SWITCH_FABRIC_DEVFN	0x30	/* Bus 1 */
66 
67 #define	IXDP2X00_P2P_DEVFN		0x20	/* Bus 0 */
68 #define	IXDP2X00_21555_DEVFN		0x30	/* Bus 0 */
69 #define IXDP2X00_SLAVE_NPU_DEVFN	0x28	/* Bus 1 */
70 #define	IXDP2X00_PMC_DEVFN		0x38	/* Bus 1 */
71 #define IXDP2X00_MASTER_NPU_DEVFN	0x38	/* Bus 1 */
72 
73 #ifndef __ASSEMBLY__
74 /*
75  * The master NPU is always PCI master.
76  */
ixdp2x00_master_npu(void)77 static inline unsigned int ixdp2x00_master_npu(void)
78 {
79 	return !!ixp2000_is_pcimaster();
80 }
81 
82 /*
83  * Helper functions used by ixdp2400 and ixdp2800 specific code
84  */
85 void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long);
86 void ixdp2x00_slave_pci_postinit(void);
87 void ixdp2x00_init_machine(void);
88 void ixdp2x00_map_io(void);
89 
90 #endif
91 
92 #endif /*_IXDP2X00_H_ */
93