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Diffstat (limited to '')
| -rw-r--r-- | drivers/fsi/Kconfig | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/fsi/Kconfig b/drivers/fsi/Kconfig new file mode 100644 index 000000000..e6668a869 --- /dev/null +++ b/drivers/fsi/Kconfig @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# 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_MASTER_ASPEED + tristate "FSI ASPEED master" + depends on HAS_IOMEM + help + This option enables a FSI master that is present behind an OPB bridge + in the AST2600. + + Enable it for your BMC kernel in an OpenPower or IBM Power system. + +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. + +config FSI_OCC + tristate "OCC SBEFIFO client device driver" + depends on FSI_SBEFIFO + help + This option enables an SBEFIFO based On-Chip Controller (OCC) device + driver. The OCC is a device embedded on a POWER processor that collects + and aggregates sensor data from the processor and system. The OCC can + provide the raw sensor data as well as perform thermal and power + management on the system. + +endif |