sb_regs.h 1.0 KB

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