162 lines
4.8 KiB
Plaintext
162 lines
4.8 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: Example for flash declaration of NXP LPC24xx 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 lpc24xx [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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; Example:
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;
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; DO ~~/demo/arm/flash/lpc24xx PREPAREONLY
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;
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; List of LPC24xx derivatives and their configuration:
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;
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; CPU-Type FlashSize FlashType UserFlash RamSize
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; (KB) (KB) (KB)
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; --------------------------------------------------------------------------------
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; LPC2420 - 0. - 64.
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; LPC2458 512. 2. 504. 64.
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; LPC2460 - 0. - 64.
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; LPC2468 512. 2. 504. 64.
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; LPC2470 - 0. - 64.
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; LPC2478 512. 2. 504. 64.
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;
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; Supported flash types:
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;
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; FlashType SmallBlock MainBlock BootFlash Alignment
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; --------------------------------------------------------------------------------
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; 0. no processor internal flash
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; 2. 4 kB 32 kB 8 kB 256 B
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;
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; HINTS:
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;
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; With Trace32 software version build 17761 or higher and most recent
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; flash support package FLASH.CLocK.AUTO can be used for automatic
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; flash clock measurement. With older Trace32 software flash module
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; input clock has to be set with FLASH.CLocK <freq> command. Flash
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; clock has to match System Clock Frequency (CCLK).
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;
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; Boot flash cannot be programmed or erased with builtin flash
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; algorithm.
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;
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; Data has to be loaded to flash alignment to 256 Byte boundaries.
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;
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; Vector table checksum generation is done by script, so that it
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; can be used or switched off, as needed.
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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: LPC24*
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; --------------------------------------------------------------------------------
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; $Rev: 10516 $
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; $Id: lpc24xx.cmm 10516 2022-02-02 11:39:30Z bschroefel $
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LOCAL ¶meters
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ENTRY %LINE ¶meters
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LOCAL ¶m_prepareonly
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¶m_prepareonly=(STRing.SCAN(STRing.UPpeR("¶meters"),"PREPAREONLY",0)!=-1)
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; ------------------------------------------------------------------------------
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; Set configuration values out of the CPU table above. If your CPU
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; derivate is not listed please check the data sheet for matching
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; flash configuration.
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LOCAL &CpuType
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LOCAL &FlashSize
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LOCAL &FlashType
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LOCAL &RAMSize
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; Example for LPC2458
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&CpuType="LPC2458"
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&FlashSize=512.
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&FlashType=2.
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&RAMSize=64.
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; ------------------------------------------------------------------------------
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; Start debugging
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IF SYStem.MODE()<5
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(
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SYStem.RESet
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SYStem.CPU &CpuType
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SYStem.JtagClock RTCK
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IF VERSION.BUILD()<20711.
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(
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SYStem.Option ResBreak OFF
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SYStem.Option NOIRCHECK ON
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SYStem.Option BUGFIXV4 ON
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)
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SYStem.Up
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)
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; ------------------------------------------------------------------------------
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; Flash declaration
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FLASH.RESet
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FLASH.CLocK.AUTO
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GOSUB FlashDeclaration &FlashSize &FlashType &RAMSize
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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 programming example
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IF &FlashType!=0.
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(
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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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; Switch memory mapping to user flash mode, so that on-chip flash is
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; mapped to interrupt vectors. Memory Mapping Control Register
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; MEMMAP[1:0] = 01b
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Data.Set 0xe01fc040 %Byte 0x01
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; Example for download
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FLASH.ReProgram.ALL /Erase
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; 1. Download file
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Data.LOAD.auto *
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; 2. Checksum generation
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Data.Set 0x14 %Long 0x0 ;Zero the reserved vector's spot
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Data.SUM 0x0--0x1f /Long ;Calculate checksum of all (other) vectors
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Data.Set 0x14 %Long -Data.SUM() ;Write back the 2's complement in reserved vector's spot
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; 3. Flash programming
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FLASH.ReProgram.off
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)
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)
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ENDDO
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; --------------------------------------------------------------------------------
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; Flash declaration depending on configuration
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FlashDeclaration:
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ENTRY &FlashSize &FlashType &RAMSize
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IF &FlashType==2.
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(
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IF &FlashSize==512.
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(
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FLASH.Create 1. 0x00000--0x07fff 0x1000 TARGET Long
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FLASH.Create 1. 0x08000--0x77fff 0x8000 TARGET Long 0x8000
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FLASH.Create 1. 0x78000--0x7dfff 0x1000 TARGET Long
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)
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ELSE
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(
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PRINT %ERROR "FLASH configuration is not supported by the script"
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ENDDO
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)
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FLASH.TARGET 0x40000000 0x40000800 0x1000 ~~/demo/arm/flash/long/lpc2130.bin
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)
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RETURN
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