mirror of
https://github.com/torvalds/linux
synced 2024-07-22 11:10:46 +00:00
3443333284
Some files over there won't parse well by Sphinx. Fix them. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
What: /config/pcie-gadget
|
|
Date: Feb 2011
|
|
KernelVersion: 2.6.37
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
|
Description:
|
|
|
|
Interface is used to configure selected dual mode PCIe controller
|
|
as device and then program its various registers to configure it
|
|
as a particular device type.
|
|
This interfaces can be used to show spear's PCIe device capability.
|
|
|
|
Nodes are only visible when configfs is mounted. To mount configfs
|
|
in /config directory use::
|
|
|
|
# mount -t configfs none /config/
|
|
|
|
For nth PCIe Device Controller /config/pcie-gadget.n/:
|
|
|
|
=============== ======================================================
|
|
link used to enable ltssm and read its status.
|
|
int_type used to configure and read type of supported interrupt
|
|
no_of_msi used to configure number of MSI vector needed and
|
|
to read no of MSI granted.
|
|
inta write 1 to assert INTA and 0 to de-assert.
|
|
send_msi write MSI vector to be sent.
|
|
vendor_id used to write and read vendor id (hex)
|
|
device_id used to write and read device id (hex)
|
|
bar0_size used to write and read bar0_size
|
|
bar0_address used to write and read bar0 mapped area in hex.
|
|
bar0_rw_offset used to write and read offset of bar0 where bar0_data
|
|
will be written or read.
|
|
bar0_data used to write and read data at bar0_rw_offset.
|
|
=============== ======================================================
|