path: root/Documentation/i2c
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authorRudolf Marek <r.marek@assembler.cz>2013-07-14 23:17:26 +0200
committerWolfram Sang <wsa@the-dreams.de>2013-08-15 15:17:31 +0200
commita94dd00f2e1c20deacffadaaa6eebf73b217c907 (patch)
tree904a001e72ac288a1b109c58c95f055c08b68cd5 /Documentation/i2c
parentd63a9e851c2c007d9129b8dbfc1af24722bd18bd (diff)
i2c: piix4: Add support for secondary SMBus on AMD SB800 and AMD FCH chipsets
Add support for the secondary SMBus controller on the AMD SB800 and AMD FCH chipsets. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Tested-by: Paul Menzel <paulepanter@users.sourceforge.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'Documentation/i2c')
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/i2c/busses/i2c-piix4 b/Documentation/i2c/busses/i2c-piix4
index a370b2047cf3..c097e0f020fe 100644
--- a/Documentation/i2c/busses/i2c-piix4
+++ b/Documentation/i2c/busses/i2c-piix4
@@ -73,9 +73,10 @@ this driver on those mainboards.
The ServerWorks Southbridges, the Intel 440MX, and the Victory66 are
identical to the PIIX4 in I2C/SMBus support.
-The AMD SB700 and SP5100 chipsets implement two PIIX4-compatible SMBus
-controllers. If your BIOS initializes the secondary controller, it will
-be detected by this driver as an "Auxiliary SMBus Host Controller".
+The AMD SB700, SB800, SP5100 and Hudson-2 chipsets implement two
+PIIX4-compatible SMBus controllers. If your BIOS initializes the
+secondary controller, it will be detected by this driver as
+an "Auxiliary SMBus Host Controller".
If you own Force CPCI735 motherboard or other OSB4 based systems you may need
to change the SMBus Interrupt Select register so the SMBus controller uses

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