950 lines
49 KiB
C
950 lines
49 KiB
C
/************************************************************************************
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* arch/arm/include/sam34/chip.h
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*
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* Copyright (C) 2009-2010, 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_SAM34_CHIP_H
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#define __ARCH_ARM_INCLUDE_SAM34_CHIP_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Get customizations for each supported chip */
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/* AT91SAM3U Family *****************************************************************/
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/* FEATURE SAM3U4E SAM3U2E SAM3U1E SAM3U4C SAM3U2C SAM3U1C
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* ----------- -------- -------- -------- -------- -------- --------
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* Flash 2x128KB 128KB 64KB 2x128KB 128KB 64KB
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* SRAM 32+16KB 16+16KB 16KB 32+16KB 16+16KB 16KB
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* NFC Yes Yes Yes Yes Yes Yes
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* NFC SRAM 4KB 4KB 4KB 4KB 4KB 4KB
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* Package LQFP144 LQFP144 LQFP144 LQFP100 LQFP100 LQFP100
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* LFBGA144 LFBGA144 LFBGA144 LFBGA100 LFBGA100 LFBGA100
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* No. PIOs 96 96 96 57 57 57
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* SHDN Pin Yes Yes Yes No No No
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* EMAC --- --- --- --- --- ---
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* EBI Yes Yes Yes Yes Yes Yes
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* EBI data 8/16 8/16 8/16 8 8 8
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* EBI ch 4 4 4 2 2 2
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* EBI addr 24 24 24 8 8 8
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* SDRAM --- --- --- --- --- ---
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* DMA 4 4 4 4 4 4
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* 12-bit ADC 8ch 8ch 8ch 4ch 4ch 4ch
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* 10-bit ADC 8ch 8ch 8ch 4ch 4ch 4ch
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* 32-bit Timer 1 1 1 1 1 1
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* 16-bit Timer 3 3 3 3 3 3
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* PDC Channels 17 17 17 17 17 17
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* USART 4 4 4 3 3 3
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* UART 2 2 2 1 1 1
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* SPI 1 1 1 1 1 1
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* SSC 1 1 1 1 1 1
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* HSMCI 8 bit 8 bit 8 bit 4 bit 4 bit 4 bit
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*/
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#if defined(CONFIG_ARCH_CHIP_ATSAM3U4E)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
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# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
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# define SAM34_SRAM1_SIZE (16*1024) /* 16KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3U2E)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (128*1024) /* 128KB */
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# define SAM34_SRAM0_SIZE (16*1024) /* 16KB */
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# define SAM34_SRAM1_SIZE (16*1024) /* 16KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3U1E)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (64*1024) /* 64KB */
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# define SAM34_SRAM0_SIZE (16*1024) /* 16KB */
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# define SAM34_SRAM1_SIZE 0 /* No SRAM1 */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3U4C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
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# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
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# define SAM34_SRAM1_SIZE (16*1024) /* 16KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3U2C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (128*1024) /* 128KB */
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# define SAM34_SRAM0_SIZE (16*1024) /* 16KB */
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# define SAM34_SRAM1_SIZE (16*1024) /* 16KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3U1C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (64*1024) /* 64KB */
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# define SAM34_SRAM0_SIZE (16*1024) /* 16KB */
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# define SAM34_SRAM1_SIZE 0 /* No SRAM1 */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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/* AT91SAM3X/3A Families ************************************************************/
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/* FEATURE SAM3X8E SAM3X8C SAM3X4E SAM3X4C SAM3A8C SAM3A4C
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* ------------ -------- -------- -------- -------- -------- --------
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* Flash 2x256KB 2x256KB 2x128KB 2x128KB 2x256KB 2x128KB
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* SRAM 64+32KB 64+32KB 32+32KB 32+32KB 64+32KB 32+32KB
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* NFC Yes --- Yes --- --- ---
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* NFC SRAM 4KB --- 4KB --- --- ---
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* Package LQFP144 LQFP100 LQFP144 LQFP100 LQFP100 LQFP100
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* LFBGA144 LFBGA100 LFBGA144 LFBGA100 LFBGA100 LFBGA100
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* No. PIOs 103 63 103 63 63 63
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* SHDN Pin Yes No Yes No No No
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* EMAC MII/RMII RMII MII/RMII RMII --- ---
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* EBI Yes --- Yes --- --- ---
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* SDRAM --- --- --- --- --- ---
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* DMA 6 4 6 4 4 4
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* 12-bit ADC 16ch 16ch 16ch 16ch 16ch 16ch
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* 12-bit DAC 2ch 2ch 2ch 2ch 2ch 2ch
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* 32-bit Timer 9 9 9 9 9 9
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* PDC Channels 17 17 17 15 15 15
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* USART 3 3 3 3 3 3
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* UART 2 1 2 1 1 1
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* SPI 1/4+3 1/4+3 1/4+3 1/4+3 1/4+3 1/4+3
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* HSMCI 8 bit 4 bit 8 bit 4 bit 4 bit 4 bit
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*/
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3X8E)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
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# define SAM34_SRAM0_SIZE (64*1024) /* 64KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 6 /* 6 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3X8C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
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# define SAM34_SRAM0_SIZE (64*1024) /* 64KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE 0 /* No NFC SRAM */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3X4E)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
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# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE (4*1024) /* 4KB */
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/* Peripherals */
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# define SAM34_NDMACHAN 6 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 17 /* 17 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3X4C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
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# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE 0 /* No NFC SRAM */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 15 /* 15 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3A8C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
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# define SAM34_SRAM0_SIZE (64*1024) /* 64KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE 0 /* No NFC SRAM */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 15 /* 15 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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#elif defined(CONFIG_ARCH_CHIP_ATSAM3A4C)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
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# define SAM34_SRAM0_SIZE (32*1024) /* 64KB */
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# define SAM34_SRAM1_SIZE (32*1024) /* 32KB */
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# define SAM34_NFCSRAM_SIZE 0 /* No NFC SRAM */
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/* Peripherals */
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# define SAM34_NDMACHAN 4 /* 4 DMA Channels */
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# define SAM34_NPDCCHAN 15 /* 15 PDC Channels */
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# define SAM34_NMCI2 1 /* 1 memory card interface */
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# define SAM34_NSLCD 0 /* No segment LCD interface */
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# define SAM34_NAESA 0 /* No advanced encryption standard */
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# define SAM34_NUDPHS 1 /* One USB high speed device */
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# define SAM34_NUHPHS 1 /* One USB high speed embedded host */
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# define SAM34_NUDPFS 0 /* No USB full speed device */
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# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
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/* AT91SAM4C Family *****************************************************************/
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/* FEATURE SAM4CMP16B
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* ----------- ---------
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* Flash 1024KB
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* SRAM 128KB
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* SMC Yes
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* GMCC 2KB
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* Package LQFP144
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* LFBGA144
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* No. PIOs 117
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* SHDN Pin No
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* EMAC MII
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* CAN 2
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* EBI Yes
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* EBI data 8
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* EBI ch 4
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* EBI addr 24
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* SDRAM ---
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* DMA 4
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* 16-bit ADC0 16ch
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* 16-bit ADC1 8ch
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* 12-bit DAC 2ch
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* Timer 9
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* PDC Channels 24+9
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* USART 2
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* UART 2
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* SPI 1
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* HSMCI 4 bit
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*/
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#elif defined(CONFIG_ARCH_CHIP_ATSAM4CMP16B)
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/* Internal memory */
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# define SAM34_FLASH_SIZE (1024*1024) /* 1024KB */
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# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
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# define SAM34_SRAM1_SIZE 0 /* None */
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# define SAM34_NFCSRAM_SIZE 0 /* None */
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/* Peripherals */
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# define SAM34_NDMACHAN 21 /* 21 PDC Channels */
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# define SAM34_NMCI2 0 /* No memory card interface */
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# define SAM32_NSLCD 1 /* 1 segment LCD interface */
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# define SAM32_NAESA 1 /* 1 advanced encryption standard */
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# define SAM32_NUDPHS 0 /* No USB high speed device */
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# define SAM32_NUHPHS 0 /* No USB high speed embedded host */
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# define SAM32_NUDPFS 0 /* No USB full speed device */
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# define SAM32_NUHPFS 0 /* No USB full speed embedded host */
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/* AT91SAM4L Family *****************************************************************/
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/* Sub-family differences:
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*
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* FEATURE ATSAM4LCxx ATSAM4LSxx
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* ----------------------- ------------- -------------
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* SEGMENT LCD Yes No
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* AESA Yes No
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* USB Device + Host Device Only
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*
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* Note: The SEGMENT LCD capability varies with packaging.
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*
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* FEATURE ATSAM4Lx2x ATSAM4Lx4x
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* ----------------------- ------------- -------------
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* FLASH 256KB 128KB
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* SRAM 32KB 32KB
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*
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* Packaging differences:
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*
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* FEATURE ATSAM4LxxC ATSAM4LxxB ATSAM4LxxA
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* ----------------------- ---------- ---------- ----------
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* Number of Pins 100 64 48
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* Max Frequency 48MHz 48MHz 48MHz
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* SEGMENT LCD 4x40 4x23 4x13
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* GPIO 75 43 27
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* High-drive pins 6 3 1
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* External Interrupts 8+NMI 8+NMI 8+NMI
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* TWI Masters 2 2 1
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* TWI Master/Slave 2 2 1
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* USART 4 4 3
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* PICOUART 1 1 1
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* Peripheral DMA Channels 16 16 16
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* Peripheral Even System 1 1 1
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* SPI 1 1 1
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* Asynchronous Timers 1 1 1
|
|
* Timer/Counter Channels 6 3 3
|
|
* Parallel Capture Inputs 8 8 8
|
|
* Frequency Meter 1 1 1
|
|
* Watchdog Timer 1 1 1
|
|
* Power Manager 1 1 1
|
|
* Glue Logic LUT 2 2 1
|
|
* ADC 15-channel 7-channel 3-channel
|
|
* DAC 1-channel 1-channel 1-channel
|
|
* Analog Comparators 4 2 1
|
|
* CATB Sensors 32 32 26
|
|
* Audio Bitstream DAC 1 1 1
|
|
* IIS Controller 1 1 1
|
|
* Packages TQFP/VFBGA TQFP/QFN TQFP/QFN
|
|
*/
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4LC2C) || defined (CONFIG_ARCH_CHIP_ATSAM4LC2B) || \
|
|
defined(CONFIG_ARCH_CHIP_ATSAM4LC2A)
|
|
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 16 /* 16 PDC Channels */
|
|
# define SAM34_NMCI2 0 /* No memory card interface */
|
|
# define SAM34_NSLCD 1 /* 1 segment LCD interface */
|
|
# define SAM34_NAESA 1 /* 1 advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 1 /* 1 USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4LC4C) || defined (CONFIG_ARCH_CHIP_ATSAM4LC4B) || \
|
|
defined(CONFIG_ARCH_CHIP_ATSAM4LC4A)
|
|
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
|
|
# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 16 /* 16 PDC Channels */
|
|
# define SAM34_NMCI2 0 /* No memory card interface */
|
|
# define SAM34_NSLCD 1 /* 1 segment LCD interface */
|
|
# define SAM34_NAESA 1 /* 1 advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 1 /* 1 USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4LS2C) || defined (CONFIG_ARCH_CHIP_ATSAM4LS2B) || \
|
|
defined(CONFIG_ARCH_CHIP_ATSAM4LS2A)
|
|
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 16 /* 16 PDC Channels */
|
|
# define SAM34_NMCI2 0 /* No memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4LS4C) || defined (CONFIG_ARCH_CHIP_ATSAM4LS4B) || \
|
|
defined(CONFIG_ARCH_CHIP_ATSAM4LS4A)
|
|
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (256*1024) /* 256KB */
|
|
# define SAM34_SRAM0_SIZE (32*1024) /* 32KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 16 /* 16 PDC Channels */
|
|
# define SAM34_NMCI2 0 /* No memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
/* AT91SAM4S Family *****************************************************************/
|
|
/*
|
|
* FEATURE SAM4SD32C SAM4SD32B SAM4SD16C SAM4SD16B SAM4SA16C SAM4SA16B SAM4S16C SAM4S16B SAM4S8C SAM4S8B
|
|
* ------------- --------- --------- --------- --------- --------- --------- -------- -------- ------- -------
|
|
* Flash 2x1MB 2x1MB 2x512KB 1x1MB 1x1MB 1x1MB 1x1MB 1x1MB 1x512KB 1x512KB
|
|
* SRAM 160KB 160KB 160KB 160KB 160KB 160KB 128KB 128KB 128KB 128KB
|
|
* HCACHE 2KB 2KB 2KB 2KB 2KB 2KB - - - -
|
|
* Pins 100 64 100 64 100 64 100 64 100 64
|
|
* No. PIOs 79 47 79 47 79 47 79 47 79 47
|
|
* Ext. BUS Yes No Yes No Yes No Yes No Yes No
|
|
* 12-bit ADC 16 ch 11 ch 16 ch 11 ch 16 ch 11 ch 16 ch 11 ch 16 ch 11 ch
|
|
* 12-bit DAC 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch
|
|
* Timer Counter 6 ch 3 ch 6 ch 3 ch 6 ch 3 ch 6 ch 3 ch 6 ch 3 ch
|
|
* PDC 22 ch 22 ch 22 ch 22 ch 22 ch 22 ch 22 ch 22 ch 22 ch 22 ch
|
|
* USART 2 2 2 2 2 2 2 2 2 2
|
|
* UART 2 2 2 2 2 2 2 2 2 2
|
|
* HSMCI Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
|
|
*/
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SD32C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (2*1024*1024) /* 2x1MB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SD32B)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (2*1024*1024) /* 2x1MB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SD16C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 2x512KB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SD16B)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 2x512KB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SA16C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1MB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4SA16B)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1MB */
|
|
# define SAM34_SRAM0_SIZE (160*1024) /* 160KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4S16C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1MB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4S16B)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1MB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4S8C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4S8B)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 0 /* No DMAC Channels */
|
|
# define SAM34_NPDCCHAN 22 /* 22 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
/* AT91SAM4E Family *****************************************************************/
|
|
/* FEATURE SAM4E16E SAM4E8E SAM4E16C SAM4E8C
|
|
* ----------- --------- -------- -------- --------
|
|
* Flash 1024KB 512KB 1024KB 512KB
|
|
* SRAM 128KB 128KB 128KB 128KB
|
|
* SMC Yes Yes Yes Yes
|
|
* GMCC 2KB 2KB 2KB 2KB
|
|
* Package LQFP144 LQFP144 LQFP100 LQFP100
|
|
* LFBGA144 LFBGA144 TFBGA100 TFBGA100
|
|
* No. PIOs 117 117 79 79
|
|
* SHDN Pin No No No No
|
|
* EMAC MII MII MII MII
|
|
* CAN 2 2 1 1
|
|
* EBI Yes Yes No No
|
|
* EBI data 8 8 --- ---
|
|
* EBI ch 4 4 --- ---
|
|
* EBI addr 24 24 --- ---
|
|
* SDRAM --- --- --- ---
|
|
* DMA 4 4 4 4
|
|
* 16-bit ADC0 16ch 16ch 6ch 6ch
|
|
* 16-bit ADC1 8ch 8ch 4ch 4ch
|
|
* 12-bit DAC 2ch 2ch 2ch 2ch
|
|
* Timer 9 9 3 3
|
|
* PDC Channels 24+9 24+9 21+9 21+9
|
|
* USART 2 2 2 2
|
|
* UART 2 2 2 2
|
|
* SPI 1 1 1 1
|
|
* HSMCI 4 bit 4 bit 4 bit 4 bit
|
|
*/
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4E16E)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1024KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 4 /* 4 DMAC Channels */
|
|
# define SAM34_NPDCCHAN 24 /* 24 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4E8E)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 4 /* 4 DMAC Channels */
|
|
# define SAM34_NPDCCHAN 24 /* 24 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4E16C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (1024*1024) /* 1024KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 4 /* 4 DMAC Channels */
|
|
# define SAM34_NPDCCHAN 21 /* 21 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#elif defined(CONFIG_ARCH_CHIP_ATSAM4E8C)
|
|
/* Internal memory */
|
|
|
|
# define SAM34_FLASH_SIZE (512*1024) /* 512KB */
|
|
# define SAM34_SRAM0_SIZE (128*1024) /* 128KB */
|
|
# define SAM34_SRAM1_SIZE 0 /* None */
|
|
# define SAM34_NFCSRAM_SIZE 0 /* None */
|
|
|
|
/* Peripherals */
|
|
|
|
# define SAM34_NDMACHAN 4 /* 4 DMAC Channels */
|
|
# define SAM34_NPDCCHAN 21 /* 21 PDC Channels */
|
|
# define SAM34_NMCI2 1 /* 1 memory card interface */
|
|
# define SAM34_NSLCD 0 /* No segment LCD interface */
|
|
# define SAM34_NAESA 0 /* No advanced encryption standard */
|
|
# define SAM34_NUDPHS 0 /* No USB high speed device */
|
|
# define SAM34_NUHPHS 0 /* No USB high speed embedded host */
|
|
# define SAM34_NUDPFS 1 /* 1 USB full speed device */
|
|
# define SAM34_NUHPFS 0 /* No USB full speed embedded host */
|
|
|
|
#else
|
|
# error "Unknown SAM3/4 chip type"
|
|
#endif
|
|
|
|
/* NVIC priority levels *************************************************************/
|
|
/* Each priority field holds a priority value, 0-15. The lower the value, the greater
|
|
* the priority of the corresponding interrupt. The processor implements only
|
|
* bits[7:4] of each field, bits[3:0] read as zero and ignore writes.
|
|
*/
|
|
|
|
#define NVIC_SYSH_PRIORITY_MIN 0xf0 /* All bits[7:4] set is minimum priority */
|
|
#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
|
|
#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
|
|
#define NVIC_SYSH_PRIORITY_STEP 0x10 /* Four bits of interrupt priority used */
|
|
|
|
/* If CONFIG_ARMV7M_USEBASEPRI is selected, then interrupts will be disabled
|
|
* by setting the BASEPRI register to NVIC_SYSH_DISABLE_PRIORITY so that most
|
|
* interrupts will not have execution priority. SVCall must have execution
|
|
* priority in all cases.
|
|
*
|
|
* In the normal cases, interrupts are not nest-able and all interrupts run
|
|
* at an execution priority between NVIC_SYSH_PRIORITY_MIN and
|
|
* NVIC_SYSH_PRIORITY_MAX (with NVIC_SYSH_PRIORITY_MAX reserved for SVCall).
|
|
*
|
|
* If, in addition, CONFIG_ARCH_HIPRI_INTERRUPT is defined, then special
|
|
* high priority interrupts are supported. These are not "nested" in the
|
|
* normal sense of the word. These high priority interrupts can interrupt
|
|
* normal processing but execute outside of OS (although they can "get back
|
|
* into the game" via a PendSV interrupt).
|
|
*
|
|
* In the normal course of things, interrupts must occasionally be disabled
|
|
* using the irqsave() inline function to prevent contention in use of
|
|
* resources that may be shared between interrupt level and non-interrupt
|
|
* level logic. Now the question arises, if CONFIG_ARCH_HIPRI_INTERRUPT,
|
|
* do we disable all interrupts (except SVCall), or do we only disable the
|
|
* "normal" interrupts. Since the high priority interrupts cannot interact
|
|
* with the OS, you may want to permit the high priority interrupts even if
|
|
* interrupts are disabled. The setting CONFIG_ARCH_INT_DISABLEALL can be
|
|
* used to select either behavior:
|
|
*
|
|
* ----------------------------+--------------+----------------------------
|
|
* CONFIG_ARCH_HIPRI_INTERRUPT | NO | YES
|
|
* ----------------------------+--------------+--------------+-------------
|
|
* CONFIG_ARCH_INT_DISABLEALL | N/A | YES | NO
|
|
* ----------------------------+--------------+--------------+-------------
|
|
* | | | SVCall
|
|
* | SVCall | SVCall | HIGH
|
|
* Disable here and below --------> MAXNORMAL ---> HIGH --------> MAXNORMAL
|
|
* | | MAXNORMAL |
|
|
* ----------------------------+--------------+--------------+-------------
|
|
*/
|
|
|
|
#if defined(CONFIG_ARCH_HIPRI_INTERRUPT) && defined(CONFIG_ARCH_INT_DISABLEALL)
|
|
# define NVIC_SYSH_MAXNORMAL_PRIORITY (NVIC_SYSH_PRIORITY_MAX + 2*NVIC_SYSH_PRIORITY_STEP)
|
|
# define NVIC_SYSH_HIGH_PRIORITY (NVIC_SYSH_PRIORITY_MAX + NVIC_SYSH_PRIORITY_STEP)
|
|
# define NVIC_SYSH_DISABLE_PRIORITY NVIC_SYSH_HIGH_PRIORITY
|
|
# define NVIC_SYSH_SVCALL_PRIORITY NVIC_SYSH_PRIORITY_MAX
|
|
#else
|
|
# define NVIC_SYSH_MAXNORMAL_PRIORITY (NVIC_SYSH_PRIORITY_MAX + NVIC_SYSH_PRIORITY_STEP)
|
|
# define NVIC_SYSH_HIGH_PRIORITY NVIC_SYSH_PRIORITY_MAX
|
|
# define NVIC_SYSH_DISABLE_PRIORITY NVIC_SYSH_MAXNORMAL_PRIORITY
|
|
# define NVIC_SYSH_SVCALL_PRIORITY NVIC_SYSH_PRIORITY_MAX
|
|
#endif
|
|
|
|
/************************************************************************************
|
|
* Public Types
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Public Data
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Public Functions
|
|
************************************************************************************/
|
|
|
|
#endif /* __ARCH_ARM_INCLUDE_SAM34_CHIP_H */
|