102d12855SRajmohan Mani /* SPDX-License-Identifier: GPL-2.0 */ 202d12855SRajmohan Mani /* 302d12855SRajmohan Mani * USB4 port sideband registers found on routers and retimers 402d12855SRajmohan Mani * 502d12855SRajmohan Mani * Copyright (C) 2020, Intel Corporation 602d12855SRajmohan Mani * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> 702d12855SRajmohan Mani * Rajmohan Mani <rajmohan.mani@intel.com> 802d12855SRajmohan Mani */ 902d12855SRajmohan Mani 1002d12855SRajmohan Mani #ifndef _SB_REGS 1102d12855SRajmohan Mani #define _SB_REGS 1202d12855SRajmohan Mani 1302d12855SRajmohan Mani #define USB4_SB_OPCODE 0x08 1402d12855SRajmohan Mani 1502d12855SRajmohan Mani enum usb4_sb_opcode { 1602d12855SRajmohan Mani USB4_SB_OPCODE_ERR = 0x20525245, /* "ERR " */ 1702d12855SRajmohan Mani USB4_SB_OPCODE_ONS = 0x444d4321, /* "!CMD" */ 1802d12855SRajmohan Mani USB4_SB_OPCODE_ENUMERATE_RETIMERS = 0x4d554e45, /* "ENUM" */ 1902d12855SRajmohan Mani USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */ 2002d12855SRajmohan Mani USB4_SB_OPCODE_GET_NVM_SECTOR_SIZE = 0x53534e47, /* "GNSS" */ 2102d12855SRajmohan Mani USB4_SB_OPCODE_NVM_SET_OFFSET = 0x53504f42, /* "BOPS" */ 2202d12855SRajmohan Mani USB4_SB_OPCODE_NVM_BLOCK_WRITE = 0x574b4c42, /* "BLKW" */ 2302d12855SRajmohan Mani USB4_SB_OPCODE_NVM_AUTH_WRITE = 0x48545541, /* "AUTH" */ 2402d12855SRajmohan Mani USB4_SB_OPCODE_NVM_READ = 0x52524641, /* "AFRR" */ 2502d12855SRajmohan Mani }; 2602d12855SRajmohan Mani 2702d12855SRajmohan Mani #define USB4_SB_METADATA 0x09 2802d12855SRajmohan Mani #define USB4_SB_METADATA_NVM_AUTH_WRITE_MASK GENMASK(5, 0) 2902d12855SRajmohan Mani #define USB4_SB_DATA 0x12 3002d12855SRajmohan Mani 3102d12855SRajmohan Mani #endif 32