From cb4b34a2abeb5a607a25cf6d43e89bb1c053b0ab Mon Sep 17 00:00:00 2001 From: "Mark D. Studebaker" Date: Sun, 29 Aug 1999 17:25:25 +0000 Subject: [PATCH] (mds) minor updates. git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@542 7894878c-1315-0410-8ee3-d5d059ff63e0 --- doc/busses/i2c-ali15x3 | 3 ++- doc/busses/i2c-i801 | 20 +++++++++++++++++--- 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/doc/busses/i2c-ali15x3 b/doc/busses/i2c-ali15x3 index 4a0c6256..7b15197d 100644 --- a/doc/busses/i2c-ali15x3 +++ b/doc/busses/i2c-ali15x3 @@ -1,6 +1,7 @@ Kernel driver `i2c-ali5x3.o' -Status: Complete and tested +Status: Complete and tested. + Block reads/writes untested (not used by any current chip driver). Supported adapters: * Acer Labs, Inc. ALI 1533 and 1543C diff --git a/doc/busses/i2c-i801 b/doc/busses/i2c-i801 index afaca8c0..e13ece17 100644 --- a/doc/busses/i2c-i801 +++ b/doc/busses/i2c-i801 @@ -1,6 +1,7 @@ Kernel driver `i2c-i801.o' -Status: Beta +Status: Beta. + Block reads/writes untested (not used by any current chip driver). Supported adapters: * Intel 82801AA and 82801AB (ICH and ICH0 - part of the '810' chipset) @@ -26,8 +27,21 @@ The ICH (properly known as the 82801AA) and ICH0 (82801AB) are Intel chips that are a part of Intel's '810' chipset which is designed for Celeron-based PCs. -They are quite similar to Intel's PIIX4 chip, at least in the -SMBus controller. +The ICH contains up to SEVEN separate PCI functions +in TWO logical PCI devices. +An output of lspci will show something similar to the following: + + 00:1e.0 PCI bridge: Intel Corporation: Unknown device 2418 (rev 01) + 00:1f.0 ISA bridge: Intel Corporation: Unknown device 2410 (rev 01) + 00:1f.1 IDE interface: Intel Corporation: Unknown device 2411 (rev 01) + 00:1f.2 USB Controller: Intel Corporation: Unknown device 2412 (rev 01) + 00:1f.3 Unknown class [0c05]: Intel Corporation: Unknown device 2413 (rev 01) + +The SMBus controller is function 3 in device 1f. +Class 0c05 is SMBus Serial Controller. + +The ICH chips are quite similar to Intel's PIIX4 chip, +at least in the SMBus controller. See the file i2c-piix4 for details.