arch/arm/include/asm/arch-pxa/hardware.h

   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 */