diff options
| author | Rudolf Marek <r.marek@assembler.cz> | 2013-07-14 17:17:26 -0400 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2013-08-15 09:17:31 -0400 |
| commit | a94dd00f2e1c20deacffadaaa6eebf73b217c907 (patch) | |
| tree | 904a001e72ac288a1b109c58c95f055c08b68cd5 /Documentation/i2c | |
| parent | d63a9e851c2c007d9129b8dbfc1af24722bd18bd (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')
| -rw-r--r-- | Documentation/i2c/busses/i2c-piix4 | 7 |
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. | |||
| 73 | The ServerWorks Southbridges, the Intel 440MX, and the Victory66 are | 73 | The ServerWorks Southbridges, the Intel 440MX, and the Victory66 are |
| 74 | identical to the PIIX4 in I2C/SMBus support. | 74 | identical to the PIIX4 in I2C/SMBus support. |
| 75 | 75 | ||
| 76 | The AMD SB700 and SP5100 chipsets implement two PIIX4-compatible SMBus | 76 | The AMD SB700, SB800, SP5100 and Hudson-2 chipsets implement two |
| 77 | controllers. If your BIOS initializes the secondary controller, it will | 77 | PIIX4-compatible SMBus controllers. If your BIOS initializes the |
| 78 | be detected by this driver as an "Auxiliary SMBus Host Controller". | 78 | secondary controller, it will be detected by this driver as |
| 79 | an "Auxiliary SMBus Host Controller". | ||
| 79 | 80 | ||
| 80 | If you own Force CPCI735 motherboard or other OSB4 based systems you may need | 81 | If you own Force CPCI735 motherboard or other OSB4 based systems you may need |
| 81 | to change the SMBus Interrupt Select register so the SMBus controller uses | 82 | to change the SMBus Interrupt Select register so the SMBus controller uses |