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Diffstat (limited to 'drivers/thunderbolt/sb_regs.h')
-rw-r--r--drivers/thunderbolt/sb_regs.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/thunderbolt/sb_regs.h b/drivers/thunderbolt/sb_regs.h
new file mode 100644
index 000000000000..9dafd696612f
--- /dev/null
+++ b/drivers/thunderbolt/sb_regs.h
@@ -0,0 +1,33 @@
+/* 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