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

   1 /*
   2  *  linux/include/asm-arm/arch-imx/hardware.h
   3  *
   4  *  Copyright (C) 1999 ARM Limited.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef __ASM_ARCH_HARDWARE_H
  21 #define __ASM_ARCH_HARDWARE_H
  22
  23 #include <asm/sizes.h>
  24 #include "imx-regs.h"
  25
  26 #ifndef __ASSEMBLY__
  27 # define __REG(x)       (*((volatile u32 *)IO_ADDRESS(x)))
  28
  29 # define __REG2(x,y)    \
  30         ( __builtin_constant_p(y) ? (__REG((x) + (y))) \
  31                           : (*(volatile u32 *)((u32)&__REG(x) + (y))) )
  32 #endif
  33
  34 /*
  35  * Memory map
  36  */
  37
  38 #define IMX_IO_PHYS             0x00200000
  39 #define IMX_IO_SIZE             0x00100000
  40 #define IMX_IO_BASE             0xe0000000
  41
  42 #define IMX_CS0_PHYS            0x10000000
  43 #define IMX_CS0_SIZE            0x02000000
  44 #define IMX_CS0_VIRT            0xe8000000
  45
  46 #define IMX_CS1_PHYS            0x12000000
  47 #define IMX_CS1_SIZE            0x01000000
  48 #define IMX_CS1_VIRT            0xea000000
  49
  50 #define IMX_CS2_PHYS            0x13000000
  51 #define IMX_CS2_SIZE            0x01000000
  52 #define IMX_CS2_VIRT            0xeb000000
  53
  54 #define IMX_CS3_PHYS            0x14000000
  55 #define IMX_CS3_SIZE            0x01000000
  56 #define IMX_CS3_VIRT            0xec000000
  57
  58 #define IMX_CS4_PHYS            0x15000000
  59 #define IMX_CS4_SIZE            0x01000000
  60 #define IMX_CS4_VIRT            0xed000000
  61
  62 #define IMX_CS5_PHYS            0x16000000
  63 #define IMX_CS5_SIZE            0x01000000
  64 #define IMX_CS5_VIRT            0xee000000
  65
  66 #define IMX_FB_VIRT             0xF1000000
  67 #define IMX_FB_SIZE             (256*1024)
  68
  69 /* macro to get at IO space when running virtually */
  70 #define IO_ADDRESS(x) ((x) | IMX_IO_BASE)
  71
  72 #ifndef __ASSEMBLY__
  73 /*
  74  * Handy routine to set GPIO functions
  75  */
  76 extern void imx_gpio_mode( int gpio_mode );
  77
  78 /* get frequencies in Hz */
  79 extern unsigned int imx_get_system_clk(void);
  80 extern unsigned int imx_get_mcu_clk(void);
  81 extern unsigned int imx_get_perclk1(void); /* UART[12], Timer[12], PWM */
  82 extern unsigned int imx_get_perclk2(void); /* LCD, SD, SPI[12]         */
  83 extern unsigned int imx_get_perclk3(void); /* SSI                      */
  84 extern unsigned int imx_get_hclk(void);    /* SDRAM, CSI, Memory Stick,*/
  85                                            /* I2C, DMA                 */
  86 #endif
  87
  88 #define MAXIRQNUM                       62
  89 #define MAXFIQNUM                       62
  90 #define MAXSWINUM                       62
  91
  92 /*
  93  * Use SDRAM for memory
  94  */
  95 #define MEM_SIZE                0x01000000
  96
  97 #ifdef CONFIG_ARCH_MX1ADS
  98 #include "mx1ads.h"
  99 #endif
 100
 101 #endif