[73]write_leveling error [76]read_calibration error DDR3报错
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[31]HELLO! BOOT0 is starting Aug 6 2020 15:38:24! [36]BOOT0 commit : b2b1d75 [38]set pll start [41]periph0 has been enabled [44]set pll end [46]unknow PMU [47]unknow PMU [49]PMU: AXP1530 [56]vaild para:1 select dram para0 [59]board init ok [61]DRAM BOOT DRIVE INFO: V0.52 [64]the chip id is 0x5000 [67]chip id check OK [69]DRAM_VCC set to 1500 mv [73]write_leveling error [76]read_calibration error [80]write_leveling error [83]read_calibration error [86]write_leveling error [89]read_calibration error [93]write_leveling error [96]read_calibration error [100]write_leveling error [102]read_calibration error [106]write_leveling error [109]read_calibration error [113]write_leveling error [116]read_calibration error [120]write_leveling error [123]read_calibration error [127]write_leveling error [129]read_calibration error [133]write_leveling error [136]read_calibration error [139]retraining final error [143]write_leveling error [146]read_calibration error [150]write_leveling error [152]read_calibration error [156]write_leveling error [159]read_calibration error [163]write_leveling error [166]read_calibration error [169]write_leveling error [172]read_calibration error [176]write_leveling error [179]read_calibration error [182]write_leveling error [185]read_calibration error [189]write_leveling error [192]read_calibration error [196]write_leveling error [198]read_calibration error [202]write_leveling error [205]read_calibration error [208]retraining final error [212]read_calibration error [216]read_calibration error [220]read_calibration error [224]read_calibration error [228]read_calibration error [231]read_calibration error [235]read_calibration error [239]read_calibration error [243]read_calibration error [247]read_calibration error [250]retraining final error [254]dx_low 16bit write training error [258]dx_low 16bit write training error [262]dx_low 16bit write training error [266]dx_low 16bit write training error [270]dx_low 16bit write training error [274]write_training error [278]read_calibration error [282]read_calibration error [286]read_calibration error [289]read_calibration error [293]read_calibration error [297]read_calibration error [301]read_calibration error [305]read_calibration error [309]read_calibration error [311]retraining final error -
DDR3 硬件检查一下，重点检查虚焊
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先用工具检查一下板子硬件，DDR是否存在问题，内含使用说明。
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