NandFlash引脚及用示波器看到的波形Word格式.docx
- 文档编号:20852389
- 上传时间:2023-01-26
- 格式:DOCX
- 页数:25
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NandFlash引脚及用示波器看到的波形Word格式.docx
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软件:
Flashv1.6.0.0
NandFlash:
MT29F2G16,大小256M,16位,如下图所示:
配制文件:
configuration_am35xxevm_micron_2g.txt
修改的部分如下:
(整个文档在最后的附件中)
memoryNAND1BITBOOTdriverTargets\Flash-Drivers\nand_onfi_16bit_8bit.binparametersgpmc0x6E000000cs0address0x30000000bberase0onfi0bpp1024sbpp32ppb64bpl1024l2acv0x23f0x0019eccoffset2
memoryNANDINFO1BITBOOTdriverTargets\Flash-Drivers\nand_onfi_16bit_8bit.binparametersgpmc0x6E000000cs0address0x30000000bberase0onfi0bpp1024sbpp32ppb64bpl1024l2acv0x23f0x0019eccoffset2
擦除过程:
能擦除成功
下面是擦除过程中output输出来的信息
-stdout
-omap3
-no_force_package_alignment
-com1
-t60
-pEVM_MDDR_MICRON_2G_EMIF
-2
chip_eraseNANDINFO1BITBOOT800000
Leavingparameterfile:
temp_script.txt
@temp_script.txt
Lookingfordevice(omapcom1)
Pleaseturnoffdevice,thenturnitonagain
AwaitingASICid
AsicIditems04
AsicIdid01050134300758
AsicIdsecure_mode13020100
AsicIdpublic_id1215010000000000000000000000000000000000000000
AsicIdroot_key_hash1415010000000000000000000000000000000000000000
Searching2ndfor:
EVM_MDDR_MICRON_2G_EMIF34300758GP
LoadingsecondfileTargets\2nd-Downloaders\dnld_startup_omap3_gp_2g.2nd
Enteringparameterfile:
omapflash2nd.txtatline:
15
-pheriphalboot_reopen
ReadingboardconfigurationfileTargets\Configurations\configuration_am35xxevm_micron_2g.txt
Readingdefinitionfile.\targets\definitions\definitions_omap3.txt
-board_configTargets\Configurations\configuration_am35xxevm_micron_2g.txt
omapflash2nd.txt
Sendingsizeofsecondfile(0x00006804bytes)
Transferringsecondfiletotarget(0x6804bytes)
Closingbootconnection
Founddevice(omapcom1)
Waitingfor2nd
Found2nd
Lookingforadriverfor'
NANDINFO1BITBOOT'
chip_driverNANDINFO1BITBOOTTargets\Flash-Drivers\nand_onfi_16bit_8bit.bingpmc0x6E000000cs0address0x30000000bberase0onfi0bpp1024sbpp32ppb64bpl1024l2acv0x23f0x0019eTxp...
Downloadingdriver
Downloading'
Targets\Flash-Drivers\nand_onfi_16bit_8bit.bin'
Sendingdata(41008bytes):
:
.....[32764]
[41008]
Interface'
OMAPFLASHDRIVERv5'
Driver'
NANDONFI16/8BIT'
Driverconfiguration:
gpmc=0x6E000000
cs=0x00000000
address=0x30000000
bberase=0x00000000
onfi=0x00000000
bpp=0x00000400
sbpp=0x00000020
ppb=0x00000040
bpl=0x00000400
l=0x00000002
acv=0x00000023
f=0x00000019
eccoffset=0x00000002
NANDHWECC
NANDBCHMode=0
NANDHWECCoffset=2,size=12
NANDNONEv0VENDOR0x00UNKNOWN
NAND16BITDEVICE0x00UNKNOWN
NANDNANDCYCLES0x23(3ROW,2COLUMN)
NAND1024BYTES/PAGE(SPARE32)
NAND64PAGES/BLOCK(65536BYTES/BLOCK)
NAND1024BLOCKS/UNIT(67108864BYTES/UNIT)
NANDDRIVERONLYSUPPORTS1OF2UNITS
NAND0BIT(S)ECCREQUIRED
NAND128MBTOTALSIZE
NANDONFIDRIVERINITCOMPLETE
Downloadingcomplete
Elapsedtime:
0:
04.516(10252bytes/s)
Endloadingdriver
Erasing
Erasing8388608bytesstartingat0x30000000
Eraseprogress....................[65536]
Eraseprogress....................[262144]
Eraseprogress:
...................[458752]
...................[655360]
..................[851968]
..................[1048576]
..................[1245184]
.................[1441792]
.................[1638400]
................[1835008]
................[2031616]
...............[2228224]
...............[2424832]
..............[2621440]
..............[2818048]
.............[3014656]
.............[3211264]
............[3407872]
............[3604480]
...........[3801088]
...........[3997696]
..........[4194304]
..........[4390912]
..........[4587520]
.........[4784128]
.........[4980736]
........[5177344]
........[5373952]
.......[5570560]
.......[5767168]
......[5963776]
......[6160384]
.....[6356992]
.....[6553600]
....[6750208]
....[6946816]
...[7143424]
...[7340032]
...[7536640]
..[7733248]
..[7929856]
.[8126464]
.[8323072]
[8388608]
NANDERASED8388608BYTESFROMADDRESS0x30000000(0BADBLOCKS)
00.000
Consoleprogramsuccess,exitcode:
0
Download过程能下载成功
下面是Download过程中output的信息
chip_downloadNANDINFO1BITBOOTE:
\贺帅\天漠科技Cortex-A8开发板\SOC8200\linux\image\x-load.bin.ift_for_NAND
04.562(10252bytes/s)
Downloading
E:
\贺帅\天漠科技Cortex-A8开发板\SOC8200\linux\image\x-load.bin.ift_for_NAND'
Sendingdata(9344bytes):
[9344]
00.922(10134bytes/s)
在超级终端中的显示如下图,输出40x后就没有其它数据输出来了
我再次用示波器查看NandFlash控制引脚的波形,所测量的各引脚的波形如下:
第7脚RB:
幅值3.3V脉冲宽度:
20us
第8脚RE
脉冲宽度:
024us
第9脚CE#
0.4us
第16脚:
CLE
第17脚:
ALE
第18脚:
WE
0.28us
第19脚:
WP
电压幅值0V
#Specifyplatformmemories
#Donotsetbberaseto1unlessyouknowwhatyouaredoing-itwillcausefactory-markedbadblockstobemarkedasgoodandcannotbeundone
memoryNAND1BITKERNELdriverTargets\Flash-Drivers\nand_onfi_16bit_8bit.binparametersgpmc0x6E000000cs0address0x30000000bberase0eccoffset40
me
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