T507不能烧写emmc，不断重启

[vctorspace]

T507-H 年初买的片子，焊接了2块，都是一样的情况。
用的是PhoenixUSBPro.exe - 4.1，emmc是 供电3.3V，io 1.8v，芯片是.KLM4G1FETE-B041

不能烧写，不断重启

U-Boot 2018.05 (May 31 2023 - 17:34:53 +0800) Allwinner Technology

[04.420]CPU:   Allwinner Family
I2C:   ready
[04.428]DRAM:  512 MiB
[04.431]Relocation Offset is: 15f08000
[04.467]secure enable bit: 0
[04.470]pmu_axp152_probe pmic_bus_read fail
[04.475]PMU: AXP858
[04.476]PMU: pmu_axp858 found
[04.480]dcdc1_vol = 3300, onoff=1
[04.484]dcdc2_vol = 1000, onoff=1
[04.487]dcdc3_vol = 900, onoff=1
[04.491]dcdc5_vol = 1100, onoff=1
[04.494]aldo1_vol = 1800, onoff=1
[04.498]aldo2_vol = 1800, onoff=1
[04.501]aldo4_vol = 1800, onoff=1
[04.505]aldo5_vol = 3300, onoff=1
[04.508]bldo1_vol = 1800, onoff=1
[04.512]bldo2_vol = 3300, onoff=1
[04.515]bldo3_vol = 3300, onoff=1
[04.519]bldo4_vol = 1800, onoff=1
[04.522]bldo5_vol = 1200, onoff=1
[04.525]cldo1_vol = 3300, onoff=1
[04.529]cldo2_vol = 1800, onoff=1
[04.532]cldo3_vol = 3300, onoff=1
[04.536]cldo4_vol = 1800, onoff=1
[04.539]dc1sw_vol = 3300, onoff=1
[04.542]CPU=1008 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=100Mhz  MBus=400Mhz
[04.549]gic: normal mode
[04.552]flash init start
[04.554]workmode = 16,storage type = 0
try card 2
set card number 2
get card number 2
[04.562][mmc]: mmc driver ver uboot2018:2020-5-24 16:54:00-202103251925
[04.569][mmc]: get sdc_type fail and use default host:tm4.
[04.580][mmc]: Is not Boot mode!
[04.583][mmc]: SUNXI SDMMC Controller Version:0x40502
[04.594][mmc]: ************Try SD card 2************
[04.599][mmc]: mmc 2 cmd timeout 100 status 100
[04.603][mmc]: smc 2 err, cmd 8,  RTO
[04.607][mmc]: mmc 2 close bus gating and reset
[04.612][mmc]: mmc 2 cmd timeout 100 status 100
[04.616][mmc]: smc 2 err, cmd 55,  RTO
[04.619][mmc]: mmc 2 close bus gating and reset
[04.624][mmc]: ************Try MMC card 2************
[04.648][mmc]: mmc 2 cmd timeout 100 status 100
[04.652][mmc]: smc 2 err, cmd 8,  RTO
[04.655][mmc]: mmc 2 close bus gating and reset
[04.660][mmc]: mmc 2 cmd timeout 100 status 100
[04.664][mmc]: smc 2 err, cmd 55,  RTO
[04.668][mmc]: mmc 2 close bus gating and reset
[04.684][mmc]: gen_tuning_blk_bus8: total blk 10
[04.688][mmc]: gen_tuning_blk_bus4: total blk 6
[04.692][mmc]: Using 8 bit tuning now
[04.696][mmc]: mmc write failed
[04.699][mmc]: mmc write failed
[04.701][mmc]: send stop
[04.704][mmc]:  Write tuning pattern failded
[04.708][mmc]: Using 8 bit tuning now
[04.711][mmc]: mmc write failed
[04.714][mmc]: mmc write failed
[04.717][mmc]: send stop
[04.719][mmc]:  Write tuning pattern failded
[04.723][mmc]: Write pattern failed
[04.726][mmc]: mmc init product failed
MMC init failed
try emmc fail
[04.739]unrecognized JEDEC id bytes: 00, 00, 00
data abort
pc : [<5ff42160>]          lr : [<5ff42145>]
reloc pc : [<4a03a160>]    lr : [<4a03a145>]
sp : 5becaab8  ip : 0000000e     fp : 4a000660
r10: 4a038069  r9 : 5bee7e60     r8 : 00000000
r7 : 5bf37848  r6 : 5ff64464     r5 : ffffffed  r4 : 5bf37880
r3 : 00003000  r2 : 5beca698     r1 : 0000000a  r0 : c0000000
Flags: Nzcv  IRQs on  FIQs off  Mode SVC_32
Resetting CPU ...

resetting ..

[DAIZEBIN]

@vctorspace

[04.739]unrecognized JEDEC id bytes: 00, 00, 00

感觉像是EMMC没有焊好，检查一下焊接

[whycan]

如果自己做的板子，检查eMMC。

如果买的开发板，考虑eMMC是不是炸了。