Wait For Maskrom Failed

tuan2195

Hi, I bricked my RK3399 board. When I turn it on I get this:
Resetting CPU ...

resetting ...
"Synchronous Abort" handler, esr 0x96000021
ELR:     206bd4
LR:      203ecc
x0 : ffffffffffffffff x1 : 0000000050749928
x2 : fffffffffffffff6 x3 : ffffffff00000000
x4 : 0000000000000000 x5 : 0000000000124f80
x6 : 0000000000124f81 x7 : 0000000000000004
x8 : 0000000000000037 x9 : 000000000800003a
x10: 0000000007fd6788 x11: 000000000024c000
x12: 000000000000000f x13: 0000000000000000
x14: 0000000000000000 x15: 0000000000000000
x16: 0000000000000000 x17: 0000000000000000
x18: 0000000007fffca0 x19: 0000000007fd6db0
x20: 0000000000000000 x21: 0000000000000000
x22: 0000000000000000 x23: 0000000000000000
x24: 0000000000000000 x25: 0000000000000000
x26: 0000000000000000 x27: 0000000000000000
x28: 0000000000000000 x29: 0000000007fd6ce0

So am trying to unbrick my RK3399 board by flashing the Android 7.1 through maskrom mode but when I flash the update image I get this:


Download Boot Start
Download Boot Success
Wait For Maskrom Start
Wait For Maskrom Fail

I get USB device not detected and in UART debug I get this:

DDR Version 1.08 20170320
In
Channel 0: DDR3, 800MHz
Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
Channel 1: DDR3, 800MHz
Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
256B stride
ch 0 ddrconfig = 0x101, ddrsize = 0x20
ch 1 ddrconfig = 0x101, ddrsize = 0x20
pmugrf_os_reg[2] = 0x32817281, stride = 0x9
OUT
usb boot ver:2017-03-07
ChipType = 0x10
mmc: ERROR: SDHCI:Transfer data timeout
mmc: ERROR: SDHCI ERR:cmd:0x153a,stat:0x0
mmc: ERROR: Tuning procedure failed, falling back to fixed sampling clock
mmc: ERROR: tuning execution failed
emmc reinit
mmc: ERROR: SDHCI:Transfer data timeout
mmc: ERROR: SDHCI ERR:cmd:0x153a,stat:0x0
mmc: ERROR: Tuning procedure failed, falling back to fixed sampling clock
mmc: ERROR: tuning execution failed
emmc reinit
mmc: ERROR: SDHCI:Transfer data timeout
mmc: ERROR: SDHCI ERR:cmd:0x153a,stat:0x0
mmc: ERROR: Tuning procedure failed, falling back to fixed sampling clock
mmc: ERROR: tuning execution failed
SdmmcInit=2 1
UsbHook 2590016
powerOn 2590144


I have no SD card plugged in. Do I need one? How can I fix this? Thanks!

isle

have you do any hardware modification  on our board?

tuan2195

No. I figured it was a hardware problem and returned it. The replacement board works fine.