/* SPDX-License-Identifier: GPL-2.0 */ /* * USB4 port sideband registers found on routers and retimers * * Copyright (C) 2020, Intel Corporation * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> * Rajmohan Mani <rajmohan.mani@intel.com> */ #ifndef _SB_REGS #define _SB_REGS #define USB4_SB_VENDOR_ID 0x00 #define USB4_SB_PRODUCT_ID 0x01 #define USB4_SB_OPCODE 0x08 enum usb4_sb_opcode { USB4_SB_OPCODE_ERR = 0x20525245, /* "ERR " */ USB4_SB_OPCODE_ONS = 0x444d4321, /* "!CMD" */ USB4_SB_OPCODE_ENUMERATE_RETIMERS = 0x4d554e45, /* "ENUM" */ USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */ USB4_SB_OPCODE_GET_NVM_SECTOR_SIZE = 0x53534e47, /* "GNSS" */ USB4_SB_OPCODE_NVM_SET_OFFSET = 0x53504f42, /* "BOPS" */ USB4_SB_OPCODE_NVM_BLOCK_WRITE = 0x574b4c42, /* "BLKW" */ USB4_SB_OPCODE_NVM_AUTH_WRITE = 0x48545541, /* "AUTH" */ USB4_SB_OPCODE_NVM_READ = 0x52524641, /* "AFRR" */ }; #define USB4_SB_METADATA 0x09 #define USB4_SB_METADATA_NVM_AUTH_WRITE_MASK GENMASK(5, 0) #define USB4_SB_DATA 0x12 #endif