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#
# FSI subsystem
#
menuconfig FSI
tristate "FSI support"
depends on OF
select CRC4
---help---
FSI - the FRU Support Interface - is a simple bus for low-level
access to POWER-based hardware.
if FSI
config FSI_NEW_DEV_NODE
bool "Create '/dev/fsi' directory for char devices"
default n
---help---
This option causes char devices created for FSI devices to be
located under a common /dev/fsi/ directory. Set to N unless your
userspace has been updated to handle the new location.
Additionally, it also causes the char device names to be offset
by one so that chip 0 will have /dev/scom1 and chip1 /dev/scom2
to match old userspace expectations.
New userspace will use udev rules to generate predictable access
symlinks in /dev/fsi/by-path when this option is enabled.
config FSI_MASTER_GPIO
tristate "GPIO-based FSI master"
depends on GPIOLIB
select CRC4
---help---
This option enables a FSI master driver using GPIO lines.
config FSI_MASTER_HUB
tristate "FSI hub master"
---help---
This option enables a FSI hub master driver. Hub is a type of FSI
master that is connected to the upstream master via a slave. Hubs
allow chaining of FSI links to an arbitrary depth. This allows for
a high target device fanout.
config FSI_MASTER_AST_CF
tristate "FSI master based on Aspeed ColdFire coprocessor"
depends on GPIOLIB
depends on GPIO_ASPEED
select GENERIC_ALLOCATOR
---help---
This option enables a FSI master using the AST2400 and AST2500 GPIO
lines driven by the internal ColdFire coprocessor. This requires
the corresponding machine specific ColdFire firmware to be available.
config FSI_SCOM
tristate "SCOM FSI client device driver"
---help---
This option enables an FSI based SCOM device driver.
config FSI_SBEFIFO
tristate "SBEFIFO FSI client device driver"
depends on OF_ADDRESS
---help---
This option enables an FSI based SBEFIFO device driver. The SBEFIFO is
a pipe-like FSI device for communicating with the self boot engine
(SBE) on POWER processors.
endif
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