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Debian on HP T5325 Thin Client

Posted by Gravelrash 
Re: HP T5325 Thin Client Debian
March 28, 2016 01:00PM
syong,

>
> The ground is at what Gravelrash said. But that is
> half right. The other half is the unsoldered pin
> of the jack which bends toward chassis by tension
> in the last pic.

Cool!

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 03:03AM
@Gravelrash or syong,

Could you upload your T5325 stock OS backup image/tarball to dropbox, if you have it handy. I'd like to try boot stock to check out the sound issue.

-bodhi
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Edited 1 time(s). Last edit at 04/09/2016 03:07AM by bodhi.
Re: HP T5325 Thin Client Debian
April 09, 2016 02:04PM
bodhi Wrote:
-------------------------------------------------------
> @Gravelrash or syong,
>
> Could you upload your T5325 stock OS backup
> image/tarball to dropbox, if you have it handy.
> I'd like to try boot stock to check out the sound
> issue.

Thanks bobafett, I got the link.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 02:09PM
Thanks syong, I got the link from you, too.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 03:57PM
fw_printenv and fw_setenv work on stock uBoot if the fw_env.config is set as follows:

(17:52)(hep)~> cat /etc/fw_env.config
/dev/mtd2 0 0x1000

where mtd2 could be mtd3 or mtd4 for the other environments.

I am still on the stock uBoot, and sound does not work on either 3.18 or 4.5 kernel.

-syong



Edited 1 time(s). Last edit at 04/09/2016 04:09PM by syong.
Re: HP T5325 Thin Client Debian
April 09, 2016 04:42PM
syong,

I suspect that the latest DTS in the kernel is the problem with sound device. I thought I have a fix, but it is not working. And I never boot into stock, so I can't really be certain that I ever have sound working on this box :)

In case you have not tried this test DTB:
http://forum.doozan.com/read.php?2,25473,26763#msg-26763

You will need to regenerate uImage if you have embedded DTB in it.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 05:25PM
@all

You guys don't hang around when it comes to answering requests for files!!

I spend one day tidying up the garage so i can get to my mechanical projects - then come on the forum for a quick looksee before going to bed and see the above request and updates

Bonus points to you all !



Edited 1 time(s). Last edit at 04/09/2016 05:27PM by Gravelrash.
Re: HP T5325 Thin Client Debian
April 09, 2016 05:39PM
> You guys don't hang around when it comes to
> answering requests for files!!

:) I will let you know.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 05:45PM
@bodhi, In the stock uBoot, there are audioTest and beep commands to check sound at that level. I remember tried that DTB a while ago and it does not work. What it is the fix you tried?

@Gravelrash, Welcome back! The fun story of t5325 has not ended yet.

-syong



Edited 1 time(s). Last edit at 04/09/2016 05:50PM by syong.
Re: HP T5325 Thin Client Debian
April 09, 2016 06:18PM
syong,

--- kirkwood-t5325.dts.orig	2016-03-13 21:28:54.000000000 -0700
+++ kirkwood-t5325.dts	2016-03-16 00:57:15.370063901 -0700
@@ -204,12 +204,14 @@
 
 		simple-audio-card,mclk-fs = <256>;
 
-		simple-audio-card,cpu {
-			sound-dai = <&audio>;
-		};
-
-		simple-audio-card,codec {
-			sound-dai = <&alc5621>;
+		simple-audio-card,dai-link {
+			format = "i2s";
+			cpu {
+				sound-dai = <&audio>;
+			};
+			codec {
+				sound-dai = <&alc5621>;
+			};
 		};
 	};
 };


Also a small change in kirkwboot.dtsi was needed.

The idea was that the T5325 has i2s:
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-September/283330.html

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 06:57PM
Very cool! I hope I understand this.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 06:59PM
I've booted to stock but then lost the ttyconsole input. I have no monitor attached.

[    0.000000] Linux version 2.6.22.18-2-armel (root@lenny-devel) (gcc version 4.2.1) #1 PREEMPT Tue Nov 17 13:34:38 EST 2009
[    0.000000] CPU: ARM926EJ-S [56251311] revision 1 (ARMv5TE), cr=00053977
[    0.000000] Machine: Feroceon-KW
[    0.000000] Using UBoot passing parameters structure
[    0.000000] Memory policy: ECC disabled, Data cache writeback
[    0.000000] CPU0: D VIVT write-back cache
[    0.000000] CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
[    0.000000] CPU0: D cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
[    0.000000] Built 1 zonelists.  Total pages: 130048
[    0.000000] Kernel command line: root=/dev/sda1 rw init=/init console=ttyS0,115200

<snip>

Starting hpdmagent: [   32.300000] phys_mem_access_prot called - offset f2001000, uncached_access = -1071249904
hpdmagent.
[   32.400000] phys_mem_access_prot called - offset ec000000, uncached_access = -1071249904
[   32.500000] phys_mem_access_prot called - offset e8000000, uncached_access = -1071249904
 * Starting periodic command scheduler crond                                    [   35.200000] eth0: link up, full duplex, speed 100 Mbps
[   35.210000] eth0: started
 * Starting periodic command scheduler crond                                    crontabs: No such file or directory
crontabs: created
                                                                         [ OK ]
                                                                         [ OK ]

I vaguely remember about this console workaround posted here, but could not find it.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 07:09PM
That is exactly why I have not on the stock yet. Console workaround will be great!

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 07:36PM
Exactly what Gravelrash has found. This post is very informative:

http://forum.doozan.com/read.php?2,25473,26295#msg-26295

However there is something in the stock kernel, that made our current ttyconsole parameter not enough.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 07:46PM
syong,

I wonder why your stock rootfs disallow ssh. Look like we need to dig in that.

ssh root@192.168.0.15
ssh: connect to host 192.168.0.15 port 22: Connection refused

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 07:47PM
Have you tried put

T0:2345:respawn:/sbin/getty -L ttyS0 115200 linux

in /etc/inittab?

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 07:57PM
bodhi Wrote:
-------------------------------------------------------
> syong,
>
> I wonder why your stock rootfs disallow ssh. Look
> like we need to dig in that.
>
>
> ssh root@192.168.0.15
> ssh: connect to host 192.168.0.15 port 22:
> Connection refused
>

Looks like sshd is not started.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 07:59PM
syong Wrote:
-------------------------------------------------------
> Have you tried put
>
>
> T0:2345:respawn:/sbin/getty -L ttyS0 115200 linux
>
>
> in /etc/inittab?


There is no /etc/inittab in stock rootfs! was that from your serial log?

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 08:05PM
bodhi Wrote:
-------------------------------------------------------
> syong,
>
>
> --- kirkwood-t5325.dts.orig	2016-03-13
> 21:28:54.000000000 -0700
> +++ kirkwood-t5325.dts	2016-03-16
> 00:57:15.370063901 -0700
> @@ -204,12 +204,14 @@
>  
>  		simple-audio-card,mclk-fs = <256>;
>  
> -		simple-audio-card,cpu {
> -			sound-dai = <&audio>;
> -		};
> -
> -		simple-audio-card,codec {
> -			sound-dai = <&alc5621>;
> +		simple-audio-card,dai-link {
> +			format = "i2s";
> +			cpu {
> +				sound-dai = <&audio>;
> +			};
> +			codec {
> +				sound-dai = <&alc5621>;
> +			};
>  		};
>  	};
>  };
>
>

But
(22:00)(hep)~/ws> fdtdump kirkwood-t5325.dtb |tail -14
    sound {
        compatible = "simple-audio-card";
        simple-audio-card,format = "i2s";
        simple-audio-card,routing = [48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 4c 00 48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 52 00 53 70 65 61 6b 65 72 00 53 50 4b 4f 55 54 00 53 70 65 61 6b 65 72 00 53 50 4b 4f 55 54 4e 00 4d 49 43 31 00 4d 69 63 20 4a 61 63 6b 00 4d 49 43 32 00 4d 69 63 20 4a 61 63 6b 00];
        simple-audio-card,widgets = [48 65 61 64 70 68 6f 6e 65 00 48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 53 70 65 61 6b 65 72 00 53 70 65 61 6b 65 72 00 4d 69 63 72 6f 70 68 6f 6e 65 00 4d 69 63 20 4a 61 63 6b 00];
        simple-audio-card,mclk-fs = <0x00000100>;
        simple-audio-card,cpu {
            sound-dai = <0x00000017 0x00000000>;
        };
        simple-audio-card,codec {
            sound-dai = <0x00000018>;
        };
    };
};

There is still no dai-link subnode in your test DTB.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 08:09PM
>
> (22:00)(hep)~/ws> fdtdump kirkwood-t5325.dtb |tail
> -14
>     sound {
>         compatible = "simple-audio-card";
>         simple-audio-card,format = "i2s";
>         simple-audio-card,routing = [48 65 61 64
> 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 4c 00 48 65
> 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 52 00
> 53 70 65 61 6b 65 72 00 53 50 4b 4f 55 54 00 53 70
> 65 61 6b 65 72 00 53 50 4b 4f 55 54 4e 00 4d 49 43
> 31 00 4d 69 63 20 4a 61 63 6b 00 4d 49 43 32 00 4d
> 69 63 20 4a 61 63 6b 00];
>         simple-audio-card,widgets = [48 65 61 64
> 70 68 6f 6e 65 00 48 65 61 64 70 68 6f 6e 65 20 4a
> 61 63 6b 00 53 70 65 61 6b 65 72 00 53 70 65 61 6b
> 65 72 00 4d 69 63 72 6f 70 68 6f 6e 65 00 4d 69 63
> 20 4a 61 63 6b 00];
>         simple-audio-card,mclk-fs = <0x00000100>;
>         simple-audio-card,cpu {
>             sound-dai = <0x00000017 0x00000000>;
>         };
>         simple-audio-card,codec {
>             sound-dai = <0x00000018>;
>         };
>     };
> };
>
>
> There is still no dai-link subnode in your test
> DTB.

Woo, that's interesting. I need to recompile it to see what happen.

-bodhi
===========================
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Re: HP T5325 Thin Client Debian
April 09, 2016 08:10PM
bodhi Wrote:

> There is no /etc/inittab in stock rootfs! was that
> from your serial log?

No. How about creating one and put that line in.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 08:13PM
bodhi Wrote:
-------------------------------------------------------
> Woo, that's interesting. I need to recompile it to
> see what happen.

I have checked your patch on 4.5 kernel and the patch is not in.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 08:21PM
> Looks like sshd is not started.

That is true. No port 22 in my scan. I think the rootfs has not been mounted.

-bodhi
===========================
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Re: HP T5325 Thin Client Debian
April 09, 2016 08:23PM
syong Wrote:
-------------------------------------------------------
> bodhi Wrote:
> --------------------------------------------------
> -----
> > Woo, that's interesting. I need to recompile it
> to
> > see what happen.
>
> I have checked your patch on 4.5 kernel and the
> patch is not in.

This DTS was modified after release when I tried to get sound.

-bodhi
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Re: HP T5325 Thin Client Debian
April 09, 2016 09:14PM
One more try! new DTB is attached.

I have a hunch that this will be better :)

-bodhi
===========================
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Edited 1 time(s). Last edit at 04/09/2016 09:17PM by bodhi.
Attachments:
open | download - kirkwood-t5325.dtb (11.6 KB)
Re: HP T5325 Thin Client Debian
April 09, 2016 09:17PM
I just compile the DTB with the patch:

(23:14)(hep)~/ws/pogo/kernel/4.5/linux-4.5> fdtdump arch/arm/boot/dts/kirkwood-t5325.dtb|tail -17
    sound {
        compatible = "simple-audio-card";
        simple-audio-card,routing = [48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 4c 00 48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 48 50 52 00 53 70 65 61 6b 65 72 00 53 50 4b 4f 55 54 00 53 70 65 61 6b 65 72 00 53 50 4b 4f 55 54 4e 00 4d 49 43 31 00 4d 69 63 20 4a 61 63 6b 00 4d 49 43 32 00 4d 69 63 20 4a 61 63 6b 00];
        simple-audio-card,widgets = [48 65 61 64 70 68 6f 6e 65 00 48 65 61 64 70 68 6f 6e 65 20 4a 61 63 6b 00 53 70 65 61 6b 65 72 00 53 70 65 61 6b 65 72 00 4d 69 63 72 6f 70 68 6f 6e 65 00 4d 69 63 20 4a 61 63 6b 00];
        simple-audio-card,mclk-fs = <0x00000100>;
        simple-audio-card,dai-link {
            format = "i2s";
            cpu {
                sound-dai = <0x00000019>;
            };
            codec {
                sound-dai = <0x0000001a>;
            };
        };
    };
};

and tried it. Everything looks normal but still no sound.:(

Edit: there is a error in my patch. After correction, I got exactly same DTB as yours.

-syong



Edited 1 time(s). Last edit at 04/09/2016 09:36PM by syong.
Re: HP T5325 Thin Client Debian
April 09, 2016 09:18PM
Just saw your DTB, I will try yours now.

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 09:28PM
Just the same. No sound.

I use alsamixer to change volume. Is that the right way?

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 09:42PM
I saw this when use mpg321:

ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front

-syong
Re: HP T5325 Thin Client Debian
April 09, 2016 09:44PM
Well, that is enough for today. It is still a good box of puzzle.:)

-syong
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