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我通过Arrow-SEED从Appro购买了Davinci TMDSIPNCAM8127,RDK版本为3.5.0,按照其Install Guide使用CCS烧写Nand Flash时出现错误,具体说明如下:
按照文档1.6.1节进行到第7步“Connect Target”时出现错误,
6) Loading and Executing GEL File : After status of A8 is shown as suspended, right click on the core and click on ‘Open GEL A GEL files tab should open in CCS. Right click on the GEL Files window and click on ‘Load GEL…’ Release package contains the gel file IPNC_A8_DDR3.gel at the location <installDir>/Utils/gel. Load this file on A8.
7) Connecting to Host: You will need to connect to the Cortex A8 processor, which is the main host on TI812x/TI814x. Right click on the CortexA8 (Host) core and select ‘Connect Target’.
在Cortex A8 processor上点击右键,选择Connect Target时Cortex A8 processor的状态由(Disconnected: Unknown)变为(Suspended),同时在Console中输出以下错误提示:
CortexA8: GEL Output:
Connecting Target...
CortexA8: Output: **** CENTAURUS2 DDR3 System_Initialisation IS in progress ..........
CortexA8: Output: **** CENTAURUS2 ALL ADPLL INIT IS In Progress .........
CortexA8: GEL: Error while executing OnTargetConnect(): Target failed to read memory at 0x481C5114 at (*((unsigned int *) (Base_Address+0x4))|0x00800000) [IPNC_A8_DDR3.gel:675] at PLL_Clocks_Config((0x481C5000+0x110), CLKIN, N, M, M2, 0x00000801) [IPNC_A8_DDR3.gel:1084] at cmdL3PLL(CLKIN, 19, 800, 4) [IPNC_A8_DDR3.gel:1043] at PLL_SETUP() [IPNC_A8_DDR3.gel:99] at ALL_ADPLL_CLOCKS_ENABLE_API() [IPNC_A8_DDR3.gel:30] at HDVPSSInit() [IPNC_A8_DDR3.gel:21] at OnTargetConnect() .
如下图所示:
不知出现以上问题的原因是什么以及如何解决,谢谢。
你可以反一下顺序: 先点connect target, 再去load GEL
之前的顺序下,会执行GEL默认的脚本来初始化芯片的。
顺序反过之后,可以在script下拉菜单下面选择相应的初始化条目,你点选看看运行有没有问题。