Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
1.3 KiB
ReStructuredText
39 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
|
|
|
|
==========================
|
|
PCI NTB Endpoint Function
|
|
==========================
|
|
|
|
1) Create a subdirectory to pci_epf_ntb directory in configfs.
|
|
|
|
Standard EPF Configurable Fields:
|
|
|
|
================ ===========================================================
|
|
vendorid should be 0x104c
|
|
deviceid should be 0xb00d for TI's J721E SoC
|
|
revid don't care
|
|
progif_code don't care
|
|
subclass_code should be 0x00
|
|
baseclass_code should be 0x5
|
|
cache_line_size don't care
|
|
subsys_vendor_id don't care
|
|
subsys_id don't care
|
|
interrupt_pin don't care
|
|
msi_interrupts don't care
|
|
msix_interrupts don't care
|
|
================ ===========================================================
|
|
|
|
2) Create a subdirectory to directory created in 1
|
|
|
|
NTB EPF specific configurable fields:
|
|
|
|
================ ===========================================================
|
|
db_count Number of doorbells; default = 4
|
|
mw1 size of memory window1
|
|
mw2 size of memory window2
|
|
mw3 size of memory window3
|
|
mw4 size of memory window4
|
|
num_mws Number of memory windows; max = 4
|
|
spad_count Number of scratchpad registers; default = 64
|
|
================ ===========================================================
|