1 ======================== 1 ========================
2 Kernel driver scx200_acb 2 Kernel driver scx200_acb
3 ======================== 3 ========================
4 4
5 Author: Christer Weinigel <wingel@nano-system.c 5 Author: Christer Weinigel <wingel@nano-system.com>
6 6
7 The driver supersedes the older, never merged 7 The driver supersedes the older, never merged driver named i2c-nscacb.
8 8
9 Module Parameters 9 Module Parameters
10 ----------------- 10 -----------------
11 11
12 * base: up to 4 ints 12 * base: up to 4 ints
13 Base addresses for the ACCESS.bus controller 13 Base addresses for the ACCESS.bus controllers on SCx200 and SC1100 devices
14 14
15 By default the driver uses two base addresse 15 By default the driver uses two base addresses 0x820 and 0x840.
16 If you want only one base address, specify t 16 If you want only one base address, specify the second as 0 so as to
17 override this default. 17 override this default.
18 18
19 Description 19 Description
20 ----------- 20 -----------
21 21
22 Enable the use of the ACCESS.bus controller on 22 Enable the use of the ACCESS.bus controller on the Geode SCx200 and
23 SC1100 processors and the CS5535 and CS5536 Ge 23 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
24 24
25 Device-specific notes 25 Device-specific notes
26 --------------------- 26 ---------------------
27 27
28 The SC1100 WRAP boards are known to use base a 28 The SC1100 WRAP boards are known to use base addresses 0x810 and 0x820.
29 If the scx200_acb driver is built into the ker 29 If the scx200_acb driver is built into the kernel, add the following
30 parameter to your boot command line:: 30 parameter to your boot command line::
31 31
32 scx200_acb.base=0x810,0x820 32 scx200_acb.base=0x810,0x820
33 33
34 If the scx200_acb driver is built as a module, 34 If the scx200_acb driver is built as a module, add the following line to
35 a configuration file in /etc/modprobe.d/ inste 35 a configuration file in /etc/modprobe.d/ instead::
36 36
37 options scx200_acb base=0x810,0x820 37 options scx200_acb base=0x810,0x820
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