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Pinebook serial console usage
nemunaire
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Joined: Feb 2019
Posts: 3

Reputation: 1
#1
11-08-2019, 10:25 AM (This post was last modified: 11-08-2019, 10:30 AM by nemunaire.)
Hi,

Is the Pinebook Serial Console usable with the Pinebook Pro?

On mine PBP, when I used the Pinebook serial console, it seems to lead to eMMC not responding: when plugged-in from cold boot, I got DDR initialization then it hangs; if I plug the jack after DDR initialization, I got eMMC timeout.

Here is a sample serial output, from a cold boot:

Code:
DDR Version 1.20 20190314
In
channel 0
CS = 0
MR0=0x98
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1
CS = 0
MR0=0x98
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 0 training pass!
channel 1 training pass!
change freq to 400MHz 0,1
channel 0
CS = 0
MR0=0x98
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1
CS = 0
MR0=0x98
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0xFF
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 0 training pass!
channel 1 training pass!
change freq to 800MHz 1,0
Channel 0: LPDDR4,800MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
Channel 1: LPDDR4,800MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
256B stride
ch 0 ddrconfig = 0x101, ddrsize = 0x2020
ch 1 ddrconfig = 0x101, ddrsize = 0x2020
pmugrf_os_reg[2] = 0x3AA1FAA1, stride = 0xD
OUT
DDR Version 1.20 20190314
In
soft reset
SRX
Then it hangs indefinitely. The power LED stays off.

When attaching the jack after u-boot load from eMMC:

Code:
1:      PINEBOOKPRO
2:      PINEBOOKPRO-prev-kernel
Enter choice: 1
1:      PINEBOOKPRO
Retrieving file: /Image
** Can't read partition table on 0:0 **
** Invalid partition 1 **
Skipping PINEBOOKPRO for failure retrieving kernel
2:      PINEBOOKPRO-prev-kernel
Retrieving file: /Image.bak
** Unable to read file /Image.bak **
Skipping PINEBOOKPRO-prev-kernel for failure retrieving kernel
SCRIPT FAILED: continuing...
** fs_devread read error - block
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
** Can't read partition table on 0:0 **
** Invalid partition 1 **
** Can't read partition table on 0:0 **
** Invalid partition 1 **
** Can't read partition table on 0:0 **
** Invalid partition 1 **
** Can't read partition table on 0:0 **
** Invalid partition 1 **
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc fail to send stop cmd
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc fail to send stop cmd
mmc_bread: Re-init mmc_read_blocks error
rkparm_init_param_from_storage param read fail
RKPARM: Invalid parameter part table
mmc fail to send stop cmd
...

With the jack plugged-in but the USB plug not attached to a computer, it boots normally.

What am I doing wrong?
zaius
Pine Scholar
****
Joined: Mar 2019
Posts: 239

Reputation: 27
#2
11-08-2019, 01:34 PM
(11-08-2019, 10:25 AM)nemunaire Wrote: With the jack plugged-in but the USB plug not attached to a computer, it boots normally.

What am I doing wrong?

Perhaps nothing?  There are problems reported with using the Pine64 cable with the PBP.

https://forum.pine64.org/showthread.php?tid=7746&page=2

According to this page, https://nixos.wiki/wiki/NixOS_on_ARM/PIN...al_console :

"It is not recommended to connect the serial adapter to pin 10 (RX) while booting, as this often causes the board to hang early in the bootloader."
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