Thank you Rudolf,
Good day,
> Can you get coreboot serial console on your fintek superio?
Yes, serial console works fine on fintek.
> If yes, then likely something is wrong with interrupts.
I am thinking about SERIRQ
> You can use isadump to try to obtain UART1 and UART2 configurations (LDN 1 /
> LDN 2)
sudo isadump -y -k 0x87,0x87 0x4e 0x4f 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: ff ff 00 ff ff ff ff 01 ff ff ff ff ff ff ff ff
10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
20: 12 10 10 19 34 00 00 90 e0 6f 8f 0f 8f 28 00 00
30: 01 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
40: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
60: 03 f8 ff ff ff ff ff ff ff ff ff ff ff ff ff ff
70: 04 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
f0: 00 ff 00 ff 00 00 00 ff ff ff ff ff ff ff ff ff
sudo isadump -y -k 0x87,0x87 0x4e 0x4f 2
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: ff ff 00 ff ff ff ff 02 ff ff ff ff ff ff ff ff
10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
20: 12 10 10 19 34 00 00 90 e0 6f 8f 0f 8f 28 00 00
30: 01 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
40: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
60: 02 f8 ff ff ff ff ff ff ff ff ff ff ff ff ff ff
70: 03 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
f0: 00 44 00 ff 00 00 00 ff ff ff ff ff ff ff ff ff
> You can also try to setup UART in linux as if those were working, like
> setting up baudrate / minicom
> but then doing:
sudo isaset -y -f 0x3f8 0x42
Data mismatch, wrote 0x42, read 0x00 back.
> Should print "B" on the other side on COM1 (check address where your fintek
> uart is)
Printed "B" on the other side of the RS-232 cable on the ttyS0 port.
Do you know if is possible to enable SERIRQ and set SCNT_CONTINUOUS in the
actual baytrail code?
SERIRQ code was supported in fsp_baytrail but not in baytrail, but now, maybe
is supported indirectly in "common" code?
Thanks again,
Jose Trujillo.
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