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#!/bin/bash |
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# (C) Rudolf Marek <r.marek@assembler.cz>, |
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# Jean Delvare <khali@linux-fr.org> |
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# |
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# Thanks Jean Delvare and Oliver Dreier <oliver@dinux.de> for testing. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License version 2 |
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# as published by the Free Software Foundation |
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# |
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# Supports the following Intel ICH chipsets: |
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# PCI ID |
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# ICH 8086:2410 |
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# ICH2 8086:2440 |
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# ICH2-M 8086:244C |
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# ICH3 8086:2480 |
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# ICH3-M 8086:248C |
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# ICH4 8086:24C0 |
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# ICH4-M 8086:24CC |
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# ICH5 8086:24D0 |
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|
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pcibus="/sys/bus/pci/slots" |
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device="00:1f" |
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|
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if [ "$UID" -ne 0 ] ; then |
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echo "You need to be root to run this script!" |
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exit 252 |
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fi |
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|
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smbus=`lspci -n -s $device.3 | grep -i '0c05: *8086'` |
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if [ -n "$smbus" ] ; then |
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echo "ICH SMBus is already there!" |
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lspci -s $device.3 |
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exit |
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fi |
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|
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intel=`lspci -n -s $device.0 | grep -i '8086:24[148CD][0C]'` |
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if [ -z "$intel" ] ; then |
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echo "Not for your chipset - Intel (ICH) only" |
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echo "Supported: ICH, ICH2, ICH2-M, ICH3, ICH3-M, ICH4, ICH4-M, ICH5" |
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exit 255; |
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fi |
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modprobe fakephp &> /dev/null |
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|
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if [ ! -d "$pcibus" ] ; then |
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echo "You need the fake PCI hotplug driver! (fakephp.ko and 2.6 kernel)" |
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exit 255; |
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fi |
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|
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echo "Enabling SMBus PCI device ..." |
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|
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newval=$( printf '%x' $((0x$(setpci -s $device.0 f2.w) & 0xfff7))) |
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setpci -s $device.0 f2.w=$newval |
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|
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echo "Rescanning the bus ..." |
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echo 1 > $pcibus/0000:$device.0/power 2>/dev/null |
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if [ ! -d "$pcibus/0000:$device.3" ] ; then |
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echo "Failed to enable the SMBUS" |
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exit 253; |
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fi |
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|
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if [ ! -d "/sys/bus/pci/drivers/i801_smbus" ] ; then |
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echo "Loading i2c-i801 ..." |
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modprobe i2c-i801 |
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if [ $? -ne 0 ] ; then |
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exit 251 |
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fi |
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fi |
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|
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lspci -s $device.3 |
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echo "Done!" |
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echo "Remember: system suspend/resume is no longer safe to use." |
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