2020-03-05 22:33:46 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* USB4 port sideband registers found on routers and retimers
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*
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* Copyright (C) 2020, Intel Corporation
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* Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
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* Rajmohan Mani <rajmohan.mani@intel.com>
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*/
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#ifndef _SB_REGS
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#define _SB_REGS
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2020-03-05 22:39:58 +08:00
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#define USB4_SB_VENDOR_ID 0x00
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#define USB4_SB_PRODUCT_ID 0x01
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2020-03-05 22:33:46 +08:00
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#define USB4_SB_OPCODE 0x08
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enum usb4_sb_opcode {
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USB4_SB_OPCODE_ERR = 0x20525245, /* "ERR " */
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USB4_SB_OPCODE_ONS = 0x444d4321, /* "!CMD" */
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USB4_SB_OPCODE_ENUMERATE_RETIMERS = 0x4d554e45, /* "ENUM" */
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USB4_SB_OPCODE_QUERY_LAST_RETIMER = 0x5453414c, /* "LAST" */
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USB4_SB_OPCODE_GET_NVM_SECTOR_SIZE = 0x53534e47, /* "GNSS" */
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USB4_SB_OPCODE_NVM_SET_OFFSET = 0x53504f42, /* "BOPS" */
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USB4_SB_OPCODE_NVM_BLOCK_WRITE = 0x574b4c42, /* "BLKW" */
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USB4_SB_OPCODE_NVM_AUTH_WRITE = 0x48545541, /* "AUTH" */
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USB4_SB_OPCODE_NVM_READ = 0x52524641, /* "AFRR" */
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};
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#define USB4_SB_METADATA 0x09
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#define USB4_SB_METADATA_NVM_AUTH_WRITE_MASK GENMASK(5, 0)
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#define USB4_SB_DATA 0x12
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#endif
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