1*d78d3a22SFrançois Tigeot /* 2*d78d3a22SFrançois Tigeot * Copyright 2015 Advanced Micro Devices, Inc. 3*d78d3a22SFrançois Tigeot * 4*d78d3a22SFrançois Tigeot * Permission is hereby granted, free of charge, to any person obtaining a 5*d78d3a22SFrançois Tigeot * copy of this software and associated documentation files (the "Software"), 6*d78d3a22SFrançois Tigeot * to deal in the Software without restriction, including without limitation 7*d78d3a22SFrançois Tigeot * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*d78d3a22SFrançois Tigeot * and/or sell copies of the Software, and to permit persons to whom the 9*d78d3a22SFrançois Tigeot * Software is furnished to do so, subject to the following conditions: 10*d78d3a22SFrançois Tigeot * 11*d78d3a22SFrançois Tigeot * The above copyright notice and this permission notice shall be included in 12*d78d3a22SFrançois Tigeot * all copies or substantial portions of the Software. 13*d78d3a22SFrançois Tigeot * 14*d78d3a22SFrançois Tigeot * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*d78d3a22SFrançois Tigeot * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*d78d3a22SFrançois Tigeot * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*d78d3a22SFrançois Tigeot * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*d78d3a22SFrançois Tigeot * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*d78d3a22SFrançois Tigeot * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*d78d3a22SFrançois Tigeot * OTHER DEALINGS IN THE SOFTWARE. 21*d78d3a22SFrançois Tigeot */ 22*d78d3a22SFrançois Tigeot 23*d78d3a22SFrançois Tigeot #ifndef __AMD_PCIE_H__ 24*d78d3a22SFrançois Tigeot #define __AMD_PCIE_H__ 25*d78d3a22SFrançois Tigeot 26*d78d3a22SFrançois Tigeot /* Following flags shows PCIe link speed supported in driver which are decided by chipset and ASIC */ 27*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00010000 28*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00020000 29*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00040000 30*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_SPEED_SUPPORT_MASK 0xFFFF0000 31*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT 16 32*d78d3a22SFrançois Tigeot 33*d78d3a22SFrançois Tigeot /* Following flags shows PCIe link speed supported by ASIC H/W.*/ 34*d78d3a22SFrançois Tigeot #define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00000001 35*d78d3a22SFrançois Tigeot #define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00000002 36*d78d3a22SFrançois Tigeot #define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00000004 37*d78d3a22SFrançois Tigeot #define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF 38*d78d3a22SFrançois Tigeot #define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0 39*d78d3a22SFrançois Tigeot 40*d78d3a22SFrançois Tigeot /* Following flags shows PCIe lane width switch supported in driver which are decided by chipset and ASIC */ 41*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 0x00010000 42*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 0x00020000 43*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 0x00040000 44*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 0x00080000 45*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 0x00100000 46*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 0x00200000 47*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 0x00400000 48*d78d3a22SFrançois Tigeot #define CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT 16 49*d78d3a22SFrançois Tigeot 50*d78d3a22SFrançois Tigeot #endif 51