New nfpm.c driver available for testing

Jeremy Messenger mezz7 at cox.net
Sun Dec 18 14:12:22 PST 2005


On Sun, 18 Dec 2005 11:30:28 -0600, Ruslan Ermilov <ru at FreeBSD.org> wrote:

> Hi,
>
> A new nfpm(4) driver is available for testing:
>
> 	http://people.freebsd.org/~ru/patches/nfpm.patch

For any 6.x users, replace above's conf/files patch to here.

http://people.freebsd.org/~mezz/diff/patch-sys_conf_files

The rest applied just fine beside that conf/files.

> 	http://people.freebsd.org/~ru/patches/smbtest.c
>
> This driver supports nVidia nForce2/3/4 and AMD-8111 SMBus 2.0
> controllers.
>
> 1.  Make sure to create an empty sys/modules/i2c/nfpm/ directory
>     before you apply the patch.

I am sure you mean by sys/modules/i2c/controllers/nfpm/ .

> 2.  Make sure sys/dev/smbus/smbus.c has patched.  :-)
>
> 3.  Recompile and reinstall everything in /sys/modules/i2c/:
>
> 	cd /sys/modules/i2c && make obj && make && make install
>
> 4.  Reboot and load nfpm.ko and smb.ko from loader(8).  NB:
>     On my machine, kldload/kldunload/kldload of nfpm.ko results
>     in non-working driver, due to some yet to be solved I/O
>     resource problem.

The smb_load="YES" and nfpm_load="YES" have been added in loader.conf.

> 5.  Check if nfpm0 and nfpm1 devices have been created.

dmesg:
==========================================
nfpm0: <nForce2/3/4 MCP SMBus Controller> port 0xc400-0xc41f irq 23 at  
device 1.1 on pci0
smbus0: <System Management Bus> on nfpm0
smb0: <SMBus generic I/O> on smbus0
nfpm1: <nForce2/3/4 MCP SMBus Controller> on nfpm0
smbus1: <System Management Bus> on nfpm1
smb1: <SMBus generic I/O> on smbus1
==========================================

> 6.  Make sure /dev/smb[01] nodes exist.

==========================================
# ls /dev | grep smb
smb0
smb1
==========================================

> 7.  Compile and run the smbtest utility, run it twice, first
>     with /dev/smb0 and then with /dev/smb1 as the only argument.
>
> 	# ./smbtest /dev/smb0
> 	found slave device 8
> 	found slave device 80
> 	found slave device 81
> 	# ./smbtest /dev/smb1
> 	found slave device 8

==========================================
# ./smbtest /dev/smb0
found slave device 8
found slave device 80
found slave device 81
# ./smbtest /dev/smb1
found slave device 8
found slave device 27
found slave device 47
==========================================

> 8.  Patch sysutils/xmbmon sources and substitute the PCI ID of
>     your SMBus 2.0 controller (see "pciconf -lv", "nfpm0"):
>
> 	cd /usr/ports/sysutils/xmbmon
> 	make patch
> 	vi <port_working_directory>/pci_pm.h
> 	<search for ID_NFORCE2>
> 	make install

==========================================
# grep 0084 work/xmbmon205/*
work/xmbmon205/pci_pm.h:#define ID_NFORCE2      0x008410DE
==========================================

> 8.  Run mbmon:
>
> 	mbmon -S -s0 -d
> 	mbmon -S -s1 -d

==========================================
# mbmon -S -s0 -d
SMBus[NVidia nForce2] found, but No HWM available on it!!
InitMBInfo: Device not configured
# mbmon -S -s1 -d
SMBus[NVidia nForce2] found, but No HWM available on it!!
InitMBInfo: Device not configured
==========================================

>     If any sensors are detected, e.g. on /dev/smb1 (-s1) try
>     them:
>
> 	mbmon -S -s1 -c8 1

==========================================
# mbmon -S -s1 -c8 1
InitMBInfo: Device not configured
==========================================

Umm, do I need to configure something else?

> 9.  Send me the output of "pciconf -lv" and mbmon commands above.

pciconf:
==========================================
nfpm0 at pci0:1:1:	class=0x0c0500 card=0x57001462 chip=0x008410de rev=0xa1  
hdr=0x00
     vendor   = 'NVIDIA Corporation'
     device   = 'nForce MCP2S PCI System Management'
     class    = serial bus
     subclass = SMBus
==========================================

kldstat:
==========================================
# kldstat
Id Refs Address    Size     Name
  1   14 0xc0400000 3b3960   kernel
  2    2 0xc07b4000 1aeac    linux.ko
  3    1 0xc07cf000 3124     smb.ko
  4    3 0xc07d3000 3764     smbus.ko
  5    1 0xc07d7000 2f2c     nfpm.ko
  6    1 0xc07da000 429d40   nvidia.ko
  7    1 0xc0c04000 5b734    acpi.ko
==========================================

Thanks!

/me goes back to watch football (NFL) game... Wow, Colt doesn't win (haha)!

Cheers,
Mezz

> Cheers,


-- 
mezz7 at cox.net  -  mezz at FreeBSD.org
FreeBSD GNOME Team
http://www.FreeBSD.org/gnome/  -  gnome at FreeBSD.org


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