after last update, i've this loop:
Code Display MoreBL2 Built : 13:27:37, Oct 25 2017. gxl g56b77aa - xiaobo.gu@droid12 set vdd cpu_a to 1120 mv set vdd cpu_b to 1050 mv set vddee to 1000 mv Board ID = 3 CPU clk: 1200MHz DQS-corr enabled DDR scramble enabled DDR3 chl: Rank0+1 @ 912MHz - FAIL DDR4 chl: Rank0+1 @ 792MHz - FAIL DDR init failed... Reset... GXM:BL1:dc8b51:76f1a5;FEAT:ADFC318C:0;POC:3;RCY:0;EMMC:0;READ:0;CHK:AA;SD:0;READ:0;0.0;CHK:0; no sdio debug board detected TE: 123368 BL2 Built : 13:27:37, Oct 25 2017. gxl g56b77aa - xiaobo.gu@droid12 set vdd cpu_a to 1120 mv set vdd cpu_b to 1050 mv set vddee to 1000 mv Board ID = 3 CPU clk: 1200MHz DQS-corr enabled DDR scramble enabled DDR3 chl: Rank0+1 @ 912MHz - FAIL DDR4 chl: Rank0+1 @ 792MHz - FAIL DDR init failed... Reset... GXM:BL1:dc8b51:76f1a5;FEAT:ADFC318C:0;POC:3;RCY:0;EMMC:0;READ:0;CHK:AA;SD:0;READ:0;0.0;CHK:0; no sdio debug board detected TE: 123939 BL2 Built : 13:27:37, Oct 25 2017. gxl g56b77aa - xiaobo.gu@droid12 set vdd cpu_a to 1120 mv set vdd cpu_b to 1050 mv set vddee to 1000 mv Board ID = 3 CPU clk: 1200MHz DQS-corr enabled DDR scramble enabled DDR3 chl: Rank0+1 @ 912MHz - FAIL DDR4 chl: Rank0+1 @ 792MHz - FAIL DDR init failed... Reset... GXM:BL1:dc8b51:76f1a5;FEAT:ADFC318C:0;POC:3;RCY:0;EMMC:0;READ:0;CHK:AA;SD:0;READ:0;0.0;CHK:0; no sdio debug board detected TE: 123266
the only way to restore was to short pin 29&30 of mmc and start an USB restore. (otherwise the board was not detected neither in usb).
I'm new to this. So can you provide me more information on how to identify short pin of MMC?