1*4882a593Smuzhiyun======================== 2*4882a593SmuzhiyunKernel driver scx200_acb 3*4882a593Smuzhiyun======================== 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunAuthor: Christer Weinigel <wingel@nano-system.com> 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunThe driver supersedes the older, never merged driver named i2c-nscacb. 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunModule Parameters 10*4882a593Smuzhiyun----------------- 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun* base: up to 4 ints 13*4882a593Smuzhiyun Base addresses for the ACCESS.bus controllers on SCx200 and SC1100 devices 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun By default the driver uses two base addresses 0x820 and 0x840. 16*4882a593Smuzhiyun If you want only one base address, specify the second as 0 so as to 17*4882a593Smuzhiyun override this default. 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunDescription 20*4882a593Smuzhiyun----------- 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunEnable the use of the ACCESS.bus controller on the Geode SCx200 and 23*4882a593SmuzhiyunSC1100 processors and the CS5535 and CS5536 Geode companion devices. 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunDevice-specific notes 26*4882a593Smuzhiyun--------------------- 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunThe SC1100 WRAP boards are known to use base addresses 0x810 and 0x820. 29*4882a593SmuzhiyunIf the scx200_acb driver is built into the kernel, add the following 30*4882a593Smuzhiyunparameter to your boot command line:: 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun scx200_acb.base=0x810,0x820 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunIf the scx200_acb driver is built as a module, add the following line to 35*4882a593Smuzhiyuna configuration file in /etc/modprobe.d/ instead:: 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun options scx200_acb base=0x810,0x820 38