Date: Fri, 01 Aug 2003 19:18:11 +0200 From: Alexander Haderer <alexander.haderer@charite.de> To: freebsd-hardware@freebsd.org Subject: Highpoint HPT372N Support in 4.8R Message-ID: <5.2.0.9.1.20030801183744.01982328@postamt1.charite.de>
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hello,
we have a Tyan mobo Trinity KT400 S2495 with onboard Highpoint HPT372N chip
(Note: N!). When booting the GENERIC kernel the Highpoint chip does not get
detected and obviously the connected disks will not be detected too.
pciconf -lv shows up a "Highpoint" chip with chipid 0x00091103.
Browsing the freebsd mailing lists shows no results (the web-search was
disabled the last days and geocrawler archive starts at Mar 2003).
So we jumped to /usr/src/sys/dev/ata and patched the files ata-pci.c
ata-dma.c and ata-raid.c so that the kernel treats the HPT372N like the
HPT372 chip (in other words: we extended all the switch statements there).
After installing the kernel the chip shows up as an HTP372N at boottime and
all four disks connected show up as well (ad4..ad7).
For all four disks now we zeroed the first 1000 blocks, called
fdisk -I adX
disklabel -Brw adX auto
disklabel -e adX # make one big partititon d=c
newfs /dev/ad0d
and everything works fine so far.
Questions:
a. What further tests can we do?
b. Are there any chip-level tests we can do?
c. Is there any info we can give to kernel developer (esp. Soeren Schmidt)?
I can post the diffs, if somebody tells me what diff-format is preferred
here (diff -???)
We are not sure if the above changes are "enough" to enable full support
for HPT372N, because the linux people had a similar problem:
After googling around in the groups, I found a linux related thread where
Henning Schroeder did a similar thing to the linux kernel (look for
"hpt372n alan cox", the first hit with three msgs). The last messages
mentions "different pci timing thresholds". And looking further in google
web "hpt372n freebsd" shows
http://features.linuxtoday.com/developer/2003042502126NWKNDV
for example, where they mention some "clock switching" again.
Hmmmmm? Any ideas how to proceed?
with best regards,
Alexander
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