162306a36Sopenharmony_ci.. SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci========================== 462306a36Sopenharmony_ciPCI NTB Endpoint Function 562306a36Sopenharmony_ci========================== 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci1) Create a subdirectory to pci_epf_ntb directory in configfs. 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciStandard EPF Configurable Fields: 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci================ =========================================================== 1262306a36Sopenharmony_civendorid should be 0x104c 1362306a36Sopenharmony_cideviceid should be 0xb00d for TI's J721E SoC 1462306a36Sopenharmony_cirevid don't care 1562306a36Sopenharmony_ciprogif_code don't care 1662306a36Sopenharmony_cisubclass_code should be 0x00 1762306a36Sopenharmony_cibaseclass_code should be 0x5 1862306a36Sopenharmony_cicache_line_size don't care 1962306a36Sopenharmony_cisubsys_vendor_id don't care 2062306a36Sopenharmony_cisubsys_id don't care 2162306a36Sopenharmony_ciinterrupt_pin don't care 2262306a36Sopenharmony_cimsi_interrupts don't care 2362306a36Sopenharmony_cimsix_interrupts don't care 2462306a36Sopenharmony_ci================ =========================================================== 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci2) Create a subdirectory to directory created in 1 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciNTB EPF specific configurable fields: 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci================ =========================================================== 3162306a36Sopenharmony_cidb_count Number of doorbells; default = 4 3262306a36Sopenharmony_cimw1 size of memory window1 3362306a36Sopenharmony_cimw2 size of memory window2 3462306a36Sopenharmony_cimw3 size of memory window3 3562306a36Sopenharmony_cimw4 size of memory window4 3662306a36Sopenharmony_cinum_mws Number of memory windows; max = 4 3762306a36Sopenharmony_cispad_count Number of scratchpad registers; default = 64 3862306a36Sopenharmony_ci================ =========================================================== 39