139 lines
3.4 KiB
Plaintext
139 lines
3.4 KiB
Plaintext
; --------------------------------------------------------------------------------
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; @Title: AT91SAM9G45 NAND FLASH Programming Script
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; @Description:
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; NAND FLASH(SAMSUNG,K9F2G08U) is connected NCS3(PC14)
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;
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; Internal SRAM : 0x300000
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; Command Register : 0x40400000
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; Address Register : 0x40200000
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; Data Register : 0x40000000
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;
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; @Author: jjeong
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; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
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; @Chip: AT91SAM9G45
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; @Keywords: SAMSUNG K9F2G08U flash NAND
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; --------------------------------------------------------------------------------
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; $Id: at91sam9g45-nand2g08.cmm 12049 2023-04-20 12:32:16Z bschroefel $
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LOCAL &arg1
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ENTRY &arg1
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&arg1=STRing.UPpeR("&arg1") // for example "PREPAREONLY"
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//SYStem Configuration
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SYStem.RESet
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SYStem.CPU AT91SAM9G45
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SYStem.JtagClock RTCK
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SYStem.Option IMASKASM ON
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SYStem.Option IMASKHLL ON
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SYStem.Option RESBREAK OFF
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SYStem.Option ENRESET ON
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SYStem.Mode Up
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Register.RESet
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//CPU initialization
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GOSUB cpu_init
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//Assign the EBI CS3 to the NandFlash
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Data.Set ASD:0xFFFFEB28 %Long 0x10008 ; EBI_CS3A
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// setup NCS3 (NAND Flash) 8-bit
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Data.Set ASD:0xFFFFE830 %Long 0x03030303 ; SMC_SETUP
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Data.Set ASD:0xFFFFE834 %Long 0x04040404 ; SMC_PULSE
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Data.Set ASD:0xFFFFE838 %Long 0x00080008 ; SMC_CYCLE
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;Data.Set ASD:0xFFFFE83C %Long 0x00161003 ; SMC_MODE ; 16-bit
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Data.Set ASD:0xFFFFE83C %Long 0x00160003 ; SMC_MODE ; 8-bit
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// NAND FLash: configure PIOs in periph mode
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Data.Set ASD:0xFFFFF600 %Long 0x4000 ;PIOC.14 Enable
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Data.Set ASD:0xFFFFF610 %Long 0x4000 ;PIOC.14 Output Enable
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//for asserting the Nand Flash Chip select (PIOC.14)
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Data.Set ASD:0xFFFFF630 %Long 0x4000 ; High
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Data.Set ASD:0xFFFFF634 %Long 0x4000 ; Low
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Break.RESet
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FLASHFILE.RESet
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//FLASHFILE.config <Cmd_reg> <Addr_reg> <Data_reg>
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FLASHFILE.CONFIG 0x40400000 0x40200000 0x40000000
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// FLASHFILE.TARGET <code range> <data range> <Algorithm file>
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FLASHFILE.TARGET 0x300000++0x1fff 0x302000++0x1fff ~~/demo/arm/flash/byte/nand2g08.bin
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//Read FLASH Manufacture and Device ID
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FLASHFILE.GETID
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//End of the test prepareonly
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IF "&arg1"=="PREPAREONLY"
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ENDDO
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//Put a list of bad blocks into area window for 2Gbit (256MB) size
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;FLASHFILE.GETBADBLOCK 0x0--0xFFFFFFF
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DIALOG.YESNO "Program flash memory?"
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ENTRY &progflash
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IF &progflash
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(
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//Erase NAND FLASH Main and Bad block inforamtion
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FLASHFILE.Erase 0x0--0xFFFFFFF /EraseBadBlocks
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//Program
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FLASHFILE.LOAD.binary * 0x0
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//Verify
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;FLASHFILE.LOAD * 0x0 /ComPare
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)
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//for releasing the Nand Flash Chip select
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Data.Set A:0xFFFFF830 %Long 0x4000 ; High
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ENDDO
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cpu_init:
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;Disable Watchdog
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Data.Set ASD:0xFFFFFD44 %Long 0x8000
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;Write charge pump
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Data.Set ASD:0xFFFFFC80 %Long 0
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;Setup PLL to 400MHz / MCLK 133 Mhz
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Data.Set ASD:0xFFFFFD50 %Long 0x00000001
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WAIT 10ms
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Data.Set ASD:0xFFFFFC20 %Long 0x00004001
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WAIT 10ms
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Data.Set ASD:0xFFFFFC28 %Long 0x20c73f03
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WAIT 10ms
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Data.Set ASD:0xFFFFFC30 %Long 0x00001306 ; changed the pll make 1/2 slower
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;Data.Set ASD:0xFFFFFC30 %Long 0x00001302
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WAIT 10ms
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;Data.Set ASD:0xFFFFFC10 %Long 0x00000010
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WAIT 10ms
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; It is necessary to write to memory after setting it up
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Data.Set 0x20000000 %Long 0x1
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;Reset ECC
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Data.Set ASD:0xFFFFE000 %Long 1
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; Setup ITCM and DTCM
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Data.Set ASD:0xFFFFED14 %Long 0xB66
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;Remap SRAM to 0x0
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Data.Set SD:0xFFFFED00 %LE %Long 0x3
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;Disable Watchdog
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Data.Set ASD:0xFFFFFD44 %Long 0x8000
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RETURN
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