1 /*
2  *  linux/include/asm-arm/arch-pxa/hardware.h
3  *
4  *  Author:	Nicolas Pitre
5  *  Created:	Jun 15, 2001
6  *  Copyright:	MontaVista Software Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * Note: This file was taken from linux-2.4.19-rmk4-pxa1
13  *
14  * - 2003/01/20 implementation specifics activated
15  *   Robert Schwebel <r.schwebel@pengutronix.de>
16  */
17 
18 #ifndef __ASM_ARCH_HARDWARE_H
19 #define __ASM_ARCH_HARDWARE_H
20 
21 #include <linux/config.h>
22 #include <asm/mach-types.h>
23 
24 /*
25  * Define CONFIG_CPU_MONAHANS in case some CPU of the PXA3xx family is selected.
26  * PXA300/310/320 all have distinct register mappings in some cases, that's why
27  * the exact CPU has to be selected. CONFIG_CPU_MONAHANS is a helper for common
28  * drivers and compatibility glue with old source then.
29  */
30 #ifndef	CONFIG_CPU_MONAHANS
31 #if	defined(CONFIG_CPU_PXA300) || \
32 	defined(CONFIG_CPU_PXA310) || \
33 	defined(CONFIG_CPU_PXA320)
34 #define	CONFIG_CPU_MONAHANS
35 #endif
36 #endif
37 
38 /*
39  * These are statically mapped PCMCIA IO space for designs using it as a
40  * generic IO bus, typically with ISA parts, hardwired IDE interfaces, etc.
41  * The actual PCMCIA code is mapping required IO region at run time.
42  */
43 #define PCMCIA_IO_0_BASE	0xf6000000
44 #define PCMCIA_IO_1_BASE	0xf7000000
45 
46 
47 /*
48  * We requires absolute addresses.
49  */
50 #define PCIO_BASE		0
51 
52 /*
53  * Workarounds for at least 2 errata so far require this.
54  * The mapping is set in mach-pxa/generic.c.
55  */
56 #define UNCACHED_PHYS_0		0xff000000
57 #define UNCACHED_ADDR		UNCACHED_PHYS_0
58 
59 /*
60  * Intel PXA internal I/O mappings:
61  *
62  * 0x40000000 - 0x41ffffff <--> 0xf8000000 - 0xf9ffffff
63  * 0x44000000 - 0x45ffffff <--> 0xfa000000 - 0xfbffffff
64  * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff
65  */
66 
67 #include "pxa-regs.h"
68 
69 #ifndef __ASSEMBLY__
70 
71 /*
72  * GPIO edge detection for IRQs:
73  * IRQs are generated on Falling-Edge, Rising-Edge, or both.
74  * This must be called *before* the corresponding IRQ is registered.
75  * Use this instead of directly setting GRER/GFER.
76  */
77 #define GPIO_FALLING_EDGE	1
78 #define GPIO_RISING_EDGE	2
79 #define GPIO_BOTH_EDGES		3
80 extern void set_GPIO_IRQ_edge( int gpio_nr, int edge_mask );
81 
82 /*
83  * Handy routine to set GPIO alternate functions
84  */
85 extern void set_GPIO_mode( int gpio_mode );
86 
87 /*
88  * return current lclk frequency in units of 10kHz
89  */
90 extern unsigned int get_lclk_frequency_10khz(void);
91 
92 #endif
93 
94 
95 /*
96  * Implementation specifics
97  */
98 
99 #ifdef CONFIG_ARCH_LUBBOCK
100 #include "lubbock.h"
101 #endif
102 
103 #ifdef CONFIG_ARCH_PXA_IDP
104 #include "idp.h"
105 #endif
106 
107 #ifdef CONFIG_ARCH_PXA_CERF
108 #include "cerf.h"
109 #endif
110 
111 #ifdef CONFIG_ARCH_CSB226
112 #include "csb226.h"
113 #endif
114 
115 #ifdef CONFIG_ARCH_INNOKOM
116 #include "innokom.h"
117 #endif
118 
119 #ifdef CONFIG_ARCH_PLEB
120 #include "pleb.h"
121 #endif
122 
123 #endif	/* _ASM_ARCH_HARDWARE_H */
124