1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * USB4 port sideband registers found on routers and retimers 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2020, Intel Corporation 6*4882a593Smuzhiyun * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> 7*4882a593Smuzhiyun * Rajmohan Mani <rajmohan.mani@intel.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef _SB_REGS 11*4882a593Smuzhiyun #define _SB_REGS 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define USB4_SB_VENDOR_ID 0x00 14*4882a593Smuzhiyun #define USB4_SB_PRODUCT_ID 0x01 15*4882a593Smuzhiyun #define USB4_SB_OPCODE 0x08 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun enum usb4_sb_opcode { 18*4882a593Smuzhiyun USB4_SB_OPCODE_ERR = 0x20525245, /* "ERR " */ 19*4882a593Smuzhiyun USB4_SB_OPCODE_ONS = 0x444d4321, /* "!CMD" */ 20*4882a593Smuzhiyun USB4_SB_OPCODE_ENUMERATE_RETIMERS = 0x4d554e45, /* "ENUM" */ 21*4882a593Smuzhiyun USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */ 22*4882a593Smuzhiyun USB4_SB_OPCODE_GET_NVM_SECTOR_SIZE = 0x53534e47, /* "GNSS" */ 23*4882a593Smuzhiyun USB4_SB_OPCODE_NVM_SET_OFFSET = 0x53504f42, /* "BOPS" */ 24*4882a593Smuzhiyun USB4_SB_OPCODE_NVM_BLOCK_WRITE = 0x574b4c42, /* "BLKW" */ 25*4882a593Smuzhiyun USB4_SB_OPCODE_NVM_AUTH_WRITE = 0x48545541, /* "AUTH" */ 26*4882a593Smuzhiyun USB4_SB_OPCODE_NVM_READ = 0x52524641, /* "AFRR" */ 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define USB4_SB_METADATA 0x09 30*4882a593Smuzhiyun #define USB4_SB_METADATA_NVM_AUTH_WRITE_MASK GENMASK(5, 0) 31*4882a593Smuzhiyun #define USB4_SB_DATA 0x12 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #endif 34