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/************************************************************************************
 * arch/arm/src/imx/imx_memorymap.h
 *
 *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ************************************************************************************/

#ifndef __ARCH_ARM_IMX_MEMORYMAP_H
#define __ARCH_ARM_IMX_MEMORYMAP_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

/************************************************************************************
 * Definitions
 ************************************************************************************/

/* Physical Memory Map **************************************************************/

                                             /* -0x000fffff Double Map Image    1Mb */
                                             /* -0x001fffff Bootstrap ROM       1Mb */
#define IMX_PERIPHERALS_PSECTION  0x00200000 /* -0x002fffff Peripherals         1Mb */
#define IMX_ESRAM_PSECTION        0x00300000 /* -0x003fffff Embedded SRAM     128Kb */
#define IMX_SDRAM0_PSECTION       0x08000000 /* -0x0bffffff SDRAM0 (CSD0)      64Mb */
#define IMX_SDRAM1_PSECTION       0x0c000000 /* -0x0fffffff SDRAM1 (CSD1)      64Mb */
#define IMX_FLASH_PSECTION        0x10000000 /* -0x11ffffff FLASH  (CS0)       32Mb */
#define IMX_CS1_PSECTION          0x12000000 /* -0x12ffffff CS1                32Mb */
#define IMX_CS2_PSECTION          0x13000000 /* -0x13ffffff CS2                32Mb */
#define IMX_CS3_PSECTION          0x14000000 /* -0x14ffffff CS3                32Mb */
#define IMX_CS4_PSECTION          0x15000000 /* -0x15ffffff CS4                32Mb */
#define IMX_CS5_PSECTION          0x16000000 /* -0x16ffffff CS5                32Mb */

/* Sizes of Address Sections ********************************************************/

/* Mapped sections */
#define IMX_PERIPHERALS_NSECTIONS 1          /*  1Mb  1 section                     */
#define IMX_SDRAM0_NSECTIONS      16         /* 16Mb Based on CONFIG_DRAM_SIZE      */
#define IMX_SDRAM1_NSECTIONS      0          /* 64Mb (Not mapped)                   */
#define IMX_FLASH_NSECTIONS       32         /* 64Mb Based on CONFIG_FLASH_SIZE     */
#define IMX_CS1_NSECTIONS         0          /* 32Mb (Not mapped)                   */
#define IMX_CS2_NSECTIONS         0          /* 32Mb (Not mapped)                   */
#define IMX_CS3_NSECTIONS         0          /* 32Mb (Not mapped)                   */
#define IMX_CS4_NSECTIONS         0          /* 32Mb (Not mapped)                   */
#define IMX_CS5_NSECTIONS         0          /* 32Mb (Not mapped)                   */

/* Virtual Memory Map ***************************************************************/

/* We use a simple identity mapping.  The MMU is really only used to control the
 * D-cache
 */

#define IMX_PERIPHERALS_VSECTION  0x00200000 /* -0x002fffff                     1Mb */
#define IMX_SDRAM_VSECTION        0x08000000 /* -(+CONFIG_DRAM_SIZE)                */
#define IMX_FLASH_VSECTION        0x10000000 /* -(+CONFIG_FLASH_SIZE)               */

/* Peripheral Register Offsets ******************************************************/

#define IMX_AIPI1_OFFSET          0x00000000 /* -0x00000fff AIPI1               4Kb */
#define IMX_WDOG_OFFSET           0x00001000 /* -0x00001fff WatchDog            4Kb */          
#define IMX_TIMER1_OFFSET         0x00002000 /* -0x00002fff Timer1              4Kb */
#define IMX_TIMER2_OFFSET         0x00003000 /* -0x00003fff Timer2              4Kb */
#define IMX_RTC_OFFSET            0x00004000 /* -0x00004fff RTC                 4Kb */
#define IMX_LCDC_OFFSET           0x00005000 /* -0x00005fff LCD                 4Kb */
#define   IMX_LCDC_COLORMAP       0x00005800
#define IMX_UART1_OFFSET          0x00006000 /* -0x00006fff UART1               4Kb */
#define IMX_UART2_OFFSET          0x00007000 /* -0x00007fff UART2               4Kb */
#define IMX_PWM1_OFFSET           0x00008000 /* -0x00008fff PWM                 4Kb */
#define IMX_DMA_OFFSET            0x00009000 /* -0x00009fff DMA                 4Kb */
#define IMX_UART3_OFFSET          0x0000a000 /* -0x0000afff UART3               4Kb */
                                             /* -0x0000ffff Reserved           20Kb */
#define IMX_AIPI2_OFFSET          0x00010000 /* -0x00010fff AIPI2               4Kb */
#define IMX_SIM_OFFSET            0x00011000 /* -0x00011fff SIM                 4Kb */
#define IMX_USBD_OFFSET           0x00012000 /* -0x00012fff USBD                4Kb */
#define IMX_CSPI1_OFFSET          0x00013000 /* -0x00013fff CSPI1               4Kb */
#define IMX_MMC_OFFSET            0x00014000 /* -0x00014fff MMC                 4Kb */
#define IMX_ASP_OFFSET            0x00015000 /* -0x00015fff ASP                 4Kb */
#define IMX_BTA_OFFSET            0x00016000 /* -0x00016fff BTA                 4Kb */
#define IMX_I2C_OFFSET            0x00017000 /* -0x00017fff I2C                 4Kb */
#define IMX_SSI_OFFSET            0x00018000 /* -0x00018fff SSI                 4Kb */
#define IMX_CSPI2_OFFSET          0x00019000 /* -0x00019fff CSPI2               4Kb */
#define IMX_MSHC_OFFSET           0x0001a000 /* -0x0001afff Memory Stick        4Kb */
#define IMX_CRM_OFFSET            0x0001b000 /* -0x0001bfff CRM                 4Kb */
#define   IMX_PLL_OFFSET          0x0001b000
#define   IMX_SC_OFFSET           0x0001b800
#define IMX_GPIO_OFFSET           0x0001c000 /* -0x0001cfff GPIO                4Kb */
                                             /* -0x0001ffff Reserved           12Kb */
#define IMX_EIM_OFFSET            0x00020000 /* -0x00020fff WEIM                4Kb */
#define IMX_SDRAMC_OFFSET         0x00021000 /* -0x00021fff SDRAMC              4Kb */
#define IMX_DSPA_OFFSET           0x00022000 /* -0x00022fff DSPA                4Kb */
#define IMX_AITC_OFFSET           0x00023000 /* -0x00023fff AITC                4Kb */
#define IMX_CSI_OFFSET            0x00024000 /* -0x00024fff CSI                 4Kb */
                                             /* -0x000fffff Reserved          876Kb */

/* Peripheral Register Offsets ******************************************************/

#define IMX_AIPI1_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_AIPI1_OFFSET)
#define IMX_WDOG_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_WDOG_OFFSET)
#define IMX_TIMER1_VBASE          (IMX_PERIPHERALS_VSECTION + IMX_TIMER1_OFFSET)
#define IMX_TIMER2_VBASE          (IMX_PERIPHERALS_VSECTION + IMX_TIMER2_OFFSET)
#define IMX_RTC_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_RTC_OFFSET)
#define IMX_LCDC_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_LCDC_OFFSET)
#define IMX_LCDC_COLORMAP_VBASE   (IMX_PERIPHERALS_VSECTION + IMX_LCDC_COLORMAP)
#define IMX_UART1_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_UART1_OFFSET)
#define IMX_UART2_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_UART2_OFFSET)
#define IMX_PWM1_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_PWM1_OFFSET)
#define IMX_DMA_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_DMA_OFFSET)
#define IMX_UART3_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_UART3_OFFSET)
#define IMX_AIP2_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_AIPI2_OFFSET)
#define IMX_SIM_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_SIM_OFFSET)
#define IMX_USBD_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_USBD_OFFSET)
#define IMX_CSPI1_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_CSPI1_OFFSET)
#define IMX_MMC_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_MMC_OFFSET)
#define IMX_ASP_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_ASP_OFFSET)
#define IMX_BTA_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_BTA_OFFSET)
#define IMX_I2C_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_I2C_OFFSET)
#define IMX_SSI_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_SSI_OFFSET)
#define IMX_CSPI2_VBASE           (IMX_PERIPHERALS_VSECTION + IMX_CSPI2_OFFSET)
#define IMX_MSHC_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_MSHC_OFFSET)
#define IMX_CRM_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_CRM_OFFSET)
#define IMX_PLL_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_PLL_OFFSET)
#define IMX_SC_VBASE              (IMX_PERIPHERALS_VSECTION + IMX_SC_OFFSET)
#define IMX_GPIO_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_GPIO_OFFSET)
#define IMX_EIM_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_EIM_OFFSET)
#define IMX_SDRAMC_VBASE          (IMX_PERIPHERALS_VSECTION + IMX_SDRAMC_OFFSET)
#define IMX_DSPA_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_DSPA_OFFSET)
#define IMX_AITC_VBASE            (IMX_PERIPHERALS_VSECTION + IMX_AITC_OFFSET)
#define IMX_CSI_VBASE             (IMX_PERIPHERALS_VSECTION + IMX_CSI_OFFSET)

/* Memory Mapping Info **************************************************************/

/* The NuttX entry point starts at an offset from the virtual beginning of DRAM.
 * This offset reserves space for the MMU page cache.
 */

#define NUTTX_START_VADDR         (IMX_SDRAM_VSECTION+PGTABLE_SIZE)

/* Section MMU Flags  */

#define IMX_FLASH_MMUFLAGS        MMU_IOFLAGS
#define IMX_PERIPHERALS_MMUFLAGS  MMU_IOFLAGS

/* 16Kb of memory is reserved at the beginning of SDRAM to hold the
 * page table for the virtual mappings.  A portion of this table is
 * not accessible in the virtual address space (for normal operation).
 * We will reuse this memory for coarse page tables as follows:
 */

#define PGTABLE_BASE_PBASE        IMX_SDRAM0_PSECTION
#define PGTABLE_SDRAM_PBASE       PGTABLE_BASE_PBASE
#define PGTABLE_COARSE_BASE_PBASE (PGTABLE_BASE_PBASE+0x00000800)
#define PGTABLE_COARSE_END_PBASE  (PGTABLE_BASE_PBASE+0x00003000)
#define PTTABLE_PERIPHERALS_PBASE (PGTABLE_BASE_PBASE+0x00003000)
#define PGTABLE_END_PBASE         (PGTABLE_BASE_PBASE+0x00004000)

#define PGTABLE_BASE_VBASE        IMX_SDRAM_VSECTION
#define PGTABLE_SDRAM_VBASE       PGTABLE_BASE_VBASE
#define PGTABLE_COARSE_BASE_VBASE (PGTABLE_BASE_VBASE+0x00000800)
#define PGTABLE_COARSE_END_VBASE  (PGTABLE_BASE_VBASE+0x00003000)
#define PTTABLE_PERIPHERALS_VBASE (PGTABLE_BASE_VBASE+0x00003000)
#define PGTABLE_END_VBASE         (PGTABLE_BASE_VBASE+0x00004000)

#define PGTBALE_COARSE_TABLE_SIZE (4*256)
#define PGTABLE_COARSE_ALLOC      (PGTABLE_COARSE_END_VBASE-PGTABLE_COARSE_BASE_VBASE)
#define PGTABLE_NCOARSE_TABLES    (PGTABLE_COARSE_SIZE / PGTBALE_COARSE_TABLE_ALLOC)

/* This is the base address of the interrupt vectors on the ARM926 */

#define VECTOR_BASE               IMX_VECTOR_VBASE

/************************************************************************************
 * Inline Functions
 ************************************************************************************/

#endif  /* __ARCH_ARM_IMX_MEMORYMAP_H */