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1 What:		/config/pcie-gadget
7 	Interface is used to configure selected dual mode PCIe controller
8 	as device and then program its various registers to configure it
10 	This interfaces can be used to show spear's PCIe device capability.
12 	Nodes are only visible when configfs is mounted. To mount configfs
14 	# mount -t configfs none /config/
17 	/config/pcie-gadget.n/
18 		link ... used to enable ltssm and read its status.
19 		int_type ...used to configure and read type of supported
21 		no_of_msi ... used to configure number of MSI vector needed and
22 			to read no of MSI granted.
23 		inta ... write 1 to assert INTA and 0 to de-assert.
24 		send_msi ... write MSI vector to be sent.
25 		vendor_id ... used to write and read vendor id (hex)
26 		device_id ... used to write and read device id (hex)
27 		bar0_size ... used to write and read bar0_size
28 		bar0_address ... used to write and read bar0 mapped area in hex.
29 		bar0_rw_offset ... used to write and read offset of bar0 where
31 		bar0_data ... used to write and read data at bar0_rw_offset.