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 <asm/mach-types.h>
  22
  23 /*
  24  * Define CONFIG_CPU_MONAHANS in case some CPU of the PXA3xx family is selected.
  25  * PXA300/310/320 all have distinct register mappings in some cases, that's why
  26  * the exact CPU has to be selected. CONFIG_CPU_MONAHANS is a helper for common
  27  * drivers and compatibility glue with old source then.
  28  */
  29 #ifndef CONFIG_CPU_MONAHANS
  30 #if     defined(CONFIG_CPU_PXA300) || \
  31         defined(CONFIG_CPU_PXA310) || \
  32         defined(CONFIG_CPU_PXA320)
  33 #define CONFIG_CPU_MONAHANS
  34 #endif
  35 #endif
  36
  37 /*
  38  * These are statically mapped PCMCIA IO space for designs using it as a
  39  * generic IO bus, typically with ISA parts, hardwired IDE interfaces, etc.
  40  * The actual PCMCIA code is mapping required IO region at run time.
  41  */
  42 #define PCMCIA_IO_0_BASE        0xf6000000
  43 #define PCMCIA_IO_1_BASE        0xf7000000
  44
  45
  46 /*
  47  * We requires absolute addresses.
  48  */
  49 #define PCIO_BASE               0
  50
  51 /*
  52  * Workarounds for at least 2 errata so far require this.
  53  * The mapping is set in mach-pxa/generic.c.
  54  */
  55 #define UNCACHED_PHYS_0         0xff000000
  56 #define UNCACHED_ADDR           UNCACHED_PHYS_0
  57
  58 /*
  59  * Intel PXA internal I/O mappings:
  60  *
  61  * 0x40000000 - 0x41ffffff <--> 0xf8000000 - 0xf9ffffff
  62  * 0x44000000 - 0x45ffffff <--> 0xfa000000 - 0xfbffffff
  63  * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff
  64  */
  65
  66 #include "pxa-regs.h"
  67
  68 #ifndef __ASSEMBLY__
  69
  70 /*
  71  * GPIO edge detection for IRQs:
  72  * IRQs are generated on Falling-Edge, Rising-Edge, or both.
  73  * This must be called *before* the corresponding IRQ is registered.
  74  * Use this instead of directly setting GRER/GFER.
  75  */
  76 #define GPIO_FALLING_EDGE       1
  77 #define GPIO_RISING_EDGE        2
  78 #define GPIO_BOTH_EDGES         3
  79
  80 #endif
  81
  82 #endif  /* _ASM_ARCH_HARDWARE_H */