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gentoo on IBM PowerPC 405GP based Walnut evaluation board
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ddc
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PostPosted: Wed Mar 07, 2007 10:24 am    Post subject: Reply with quote

JoseJX wrote:
I used 2.6.15


yes, i read, but 2.6.15.4 is working, 2.6.15.1 is not working
i suppose you are using the 2.6.15.4

JoseJX wrote:
It has an ens1370 (Soundblaster Live!, but not emu10k)


i've got an ensoniq/creative end1371 that is not really working (no sound, and errors from madplay, no sound, no error from mpg123, alsamixer used to unset mute channels )

Code:
Module                  Size  Used by
snd_seq_midi            7904  0
snd_pcm_oss            59904  0
snd_mixer_oss          19616  1 snd_pcm_oss
snd_seq_oss            38356  0
snd_seq_midi_event      6784  2 snd_seq_midi,snd_seq_oss
snd_seq                58648  5 snd_seq_midi,snd_seq_oss,snd_seq_midi_event
snd_ens1371            28068  0
snd_rawmidi            24832  2 snd_seq_midi,snd_ens1371
snd_seq_device          8396  4 snd_seq_midi,snd_seq_oss,snd_seq,snd_rawmidi
snd_ac97_codec        111552  1 snd_ens1371
snd_pcm                91748  3 snd_pcm_oss,snd_ens1371,snd_ac97_codec
snd_timer              23716  2 snd_seq,snd_pcm
snd                    58004  10 snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_ens1371,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm,snd_timer
soundcore               8612  1 snd
snd_page_alloc          9352  1 snd_pcm
snd_ac97_bus            2016  1 snd_ac97_codec



madplay song-cavia.mp3
Code:
MPEG Audio Decoder
audio: esd_open_sound() failed





here it is my config: http://www.webalice.it/devilcoder/gentoo-2.6.15.4-walnut-ppc405-config
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ddc
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PostPosted: Wed Mar 07, 2007 12:01 pm    Post subject: Reply with quote

here it is a kernel module to be added to kernel tree

http://www.webalice.it/devilcoder/walnut-gpio.tgz

it is a ppc405 gpio driver, it is from 2.6.16 patched.
and unfortunately 2.6.16 is not compiling :(
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ddc
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PostPosted: Wed Mar 21, 2007 11:24 pm    Post subject: Reply with quote

solved about 2.6.16, 2.6.19: they are compiling with a special invoke to make (arch=ppc)

DMA is still bugged, a special hack is needed to use sound board card

creative sound blaster live has been tested, and .. it is not working

nobody is using this board with a soundboard card ?
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ddc
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PostPosted: Fri Apr 20, 2007 10:18 am    Post subject: Reply with quote

important news

1) ibm & amcc are the original authors of the project of a board called "walnut"
2) amcc is still selling a board called "walnut" that is a much more powerful version of the tiny board i'm talking about
3) DHT has released the tiny board re engineering the "ibm/amcc-walnut" as the "DHT-walnut"
4) these boards differ about hw and firmware but not so much
5) on the DHT-walnut the uboot-1.1.6 has been modified according the differences of the hw
6) uboot doesn't initialize the pci correctly, when the kernel is loaded has issues with dma
7) i was told ppcboot initializes correctly, i need to be confirmed about it
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