188 lines
5.9 KiB
Plaintext
188 lines
5.9 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: Example for flash declaration of Atmel AT91SAM3S internal flash.
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;
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; @Description:
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; Script arguments:
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;
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; DO atsam3s [PREPAREONLY]
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;
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; PREPAREONLY only declares flash but does not execute flash programming
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;
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; List of AT91SAM3S derivatives and their configuration:
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;
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; CPU-Type Flash size Page size SRAM size
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; (Byte) (Byte) (Byte)
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; --------------------------------------------------------------------------------
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; AT91SAM3S1A 0x10000 0x100 0x4000
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; AT91SAM3S1B 0x10000 0x100 0x4000
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; AT91SAM3S1C 0x10000 0x100 0x4000
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; AT91SAM3S2A 0x20000 0x100 0x8000
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; AT91SAM3S2B 0x20000 0x100 0x8000
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; AT91SAM3S2C 0x20000 0x100 0x8000
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; AT91SAM3S4A 0x40000 0x100 0xc000
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; AT91SAM3S4B 0x40000 0x100 0xc000
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; AT91SAM3S4C 0x40000 0x100 0xc000
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; AT91SAM3S8B 0x80000 0x100 0x10000
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; AT91SAM3S8C 0x80000 0x100 0x10000
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; AT91SAM3SD8B 0x80000 0x100 0x10000
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; AT91SAM3SD8C 2*0x40000 0x100 0x10000
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;
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;
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; The flash is divided into pages of 256 Byte.
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;
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; The internal flash is located at 0x00400000
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; The internal SRAM is located at 0x20000000
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; The internal ROM is located at 0x00800000.
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;
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; The system always boot at address 0x0. If GPNVM bit 1 is set the
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; internal flash is mirrored to address 0x0 before remap command.
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; Otherwise ROM is mapped to address 0x0. After remap command
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; internal SRAM is mirrored to address 0x0.
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;
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; HINTS:
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;
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; Locked pages can be unlocked with FLASH.UNLOCK command and can be
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; locked again with FLASH.LOCK command.
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;
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; Watchdog is critical for flash programming. The flash algorithm is
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; serving the watchdog if the watchdog is not used in window mode.
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;
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; If the watchdog is setup to window mode by a running application
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; the watchdog should be either disabled after first power-up or the
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; board should be power-up before every flash programming. If the
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; watchdog is disabled after power-up it cannot be enabled again by
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; the application because WDT_MR register is write once. Please see
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; below the command to disable the watchdog.
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;
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; GPNVM bit values can be changed via at91sam3-nvm.cmm script.
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;
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; @Author: WRD
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; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
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; @Chip: AT91SAM3S*
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; --------------------------------------------------------------------------------
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; $Rev: 10516 $
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; $Id: at91sam3s.cmm 10516 2022-02-02 11:39:30Z bschroefel $
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LOCAL ¶meters ¶m_prepareonly
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ENTRY %LINE ¶meters
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¶m_prepareonly=(STRing.SCAN(STRing.UPpeR("¶meters"),"PREPAREONLY",0)!=-1)
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¶m_cpu=STRing.SCANAndExtract(STRing.UPpeR("¶meters"),"CPU=","")
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LOCAL &cpu
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LOCAL &efc0flashsize
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LOCAL &efc1flashsize
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LOCAL &flashdriver
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; ------------------------------------------------------------------------------
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; Setup CPU
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IF SYStem.MODE()<5
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(
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SYStem.RESet
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IF "¶m_cpu"!=""
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SYStem.CPU ¶m_cpu
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IF !CPUIS(AT91SAM3S*)
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SYStem.CPU AT91SAM3S*
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SYStem.JtagClock RTCK
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SYStem.Option.ResBreak OFF
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SYStem.Up
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)
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; Disable watchdog for flash programming if watchdog may be used in
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; window mode.
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;DATA.SET 0x400E1254 %LONG DATA.LONG(ASD:0x400E1254)|0x00008000
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; ------------------------------------------------------------------------------
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; Setup flash configuration depending on selected CPU.
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&cpu=SYStem.CPU()
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IF (("&cpu"=="AT91SAM3S1A")||("&cpu"=="AT91SAM3S1B")||("&cpu"=="AT91SAM3S1C")||("&cpu"=="AT91SAM3S16C"))
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(
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&efc0flashsize=0x10000
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&efc1flashsize=0x0
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&flashdriver="eefcsam3s.bin"
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)
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ELSE IF (("&cpu"=="AT91SAM3S2A")||("&cpu"=="AT91SAM3S2B")||("&cpu"=="AT91SAM3S2C"))
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(
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&efc0flashsize=0x20000
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&efc1flashsize=0x0
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&flashdriver="eefcsam3s.bin"
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)
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ELSE IF (("&cpu"=="AT91SAM3S4A")||("&cpu"=="AT91SAM3S4B")||("&cpu"=="AT91SAM3S4C"))
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(
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&efc0flashsize=0x40000
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&efc1flashsize=0x0
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&flashdriver="eefcsam3s.bin"
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)
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ELSE IF (("&cpu"=="AT91SAM3S8B")||("&cpu"=="AT91SAM3S8C"))
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(
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&efc0flashsize=0x80000
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&efc1flashsize=0x0
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&flashdriver="eefcsam3s.bin"
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)
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ELSE IF (("&cpu"=="AT91SAM3SD8B")||("&cpu"=="AT91SAM3SD8C"))
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(
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&efc0flashsize=0x40000
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&efc1flashsize=0x40000
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&flashdriver="eefcsam3.bin"
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)
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ELSE
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(
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PRINT %ERROR "FLASH size of CPU type is unknown"
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ENDDO
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)
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; Setup EEFC wait states in EEFC_FMR register, FWS = 6
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Data.Set ASD:0x400E0A00 %Long (Data.Long(ASD:0x400E0A00)&0xFFFFF0FF)|0x00000600
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; ------------------------------------------------------------------------------
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; Flash declaration
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FLASH.RESet
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FLASH.Create 1. 0x00400000++(&efc0flashsize-1) 0x100 TARGET Long
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IF &efc1flashsize>1
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(
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FLASH.Create 2. 0x00440000++(&efc1flashsize-1) 0x100 TARGET Long
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)
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FLASH.TARGET 0x20000000 0x20000800 0x400 ~~/demo/arm/flash/long/&flashdriver
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; Flash script ends here if called with parameter PREPAREONLY
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IF ¶m_prepareonly
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ENDDO PREPAREDONE
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; ------------------------------------------------------------------------------
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; Flash NVM bit programming example
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DIALOG.YESNO "Program flash NVM bits"
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LOCAL &prognvm
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ENTRY &prognvm
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IF &prognvm
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(
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DO ~~~~/at91sam3-nvm
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)
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; ------------------------------------------------------------------------------
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; Flash programming example
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DIALOG.YESNO "Program flash memory?"
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LOCAL &progflash
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ENTRY &progflash
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IF &progflash
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(
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; Unlock locked pages if necessary
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;FLASH.UNLOCK ALL
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; Because of small sector size and very fast chip erase feature
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; FLASH.Erase and FLASH.Program is used instead of FLASH.ReProgram.
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FLASH.Erase.ALL
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FLASH.Program.ALL
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Data.LOAD.auto * /Long
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FLASH.Program.off
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; Reset device
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SYStem.Down
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SYStem.Up
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)
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ENDDO
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