diff --git a/include/vsc9953.h b/include/vsc9953.h
index bb7f8ec..fe072da 100644
--- a/include/vsc9953.h
+++ b/include/vsc9953.h
@@ -186,6 +186,76 @@
 
 #define MIIMIND_OPR_PEND		0x00000004
 
+#define VSC9953_BITMASK(offset)		((BIT(offset)) - 1)
+#define VSC9953_ENC_BITFIELD(target, offset, width) \
+	(((target) & VSC9953_BITMASK(width)) << (offset))
+
+#define VSC9953_IO_ADDR(target, offset)		((target) + (offset << 2))
+
+#define VSC9953_IO_REG(target, offset)	(VSC9953_IO_ADDR(target, offset))
+#define VSC9953_VCAP_CACHE_ENTRY_DAT(target, ri)  \
+	VSC9953_IO_REG(target, (0x2 + (ri)))
+
+#define VSC9953_VCAP_CACHE_MASK_DAT(target, ri) \
+	VSC9953_IO_REG(target, (0x42 + (ri)))
+
+#define VSC9953_VCAP_CACHE_TG_DAT(target)	VSC9953_IO_REG(target, 0xe2)
+#define VSC9953_VCAP_CFG_MV_CFG(target)	VSC9953_IO_REG(target, 0x1)
+#define VSC9953_VCAP_CFG_MV_CFG_SIZE(target) \
+	VSC9953_ENC_BITFIELD(target, 0, 16)
+
+#define VSC9953_VCAP_CFG_UPDATE_CTRL(target)	VSC9953_IO_REG(target, 0x0)
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_CMD(target) \
+	VSC9953_ENC_BITFIELD(target, 22, 3)
+
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ADDR(target) \
+	VSC9953_ENC_BITFIELD(target, 3, 16)
+
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT	BIT(2)
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ENTRY_DIS	BIT(21)
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ACTION_DIS	BIT(20)
+#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_CNT_DIS		BIT(19)
+#define VSC9953_VCAP_CACHE_ACTION_DAT(target, ri) \
+	VSC9953_IO_REG(target, (0x82 + (ri)))
+
+#define VSC9953_VCAP_CACHE_CNT_DAT(target, ri)	\
+	VSC9953_IO_REG(target, (0xc2 + (ri)))
+
+#define VSC9953_PORT_OFFSET		1
+#define VSC9953_IS1_CNT			256
+#define VSC9953_IS2_CNT			1024
+#define VSC9953_ES0_CNT			1024
+
+#define BITS_TO_DWORD(in)		(1 + (((in) - 1) / 32))
+#define ENTRY_WORDS_ES0		BITS_TO_DWORD(29)
+#define ENTRY_WORDS_IS1		BITS_TO_DWORD(376)
+#define ENTRY_WORDS_IS2		BITS_TO_DWORD(376)
+#define ES0_ACT_WIDTH		BITS_TO_DWORD(91)
+#define ES0_CNT_WIDTH		BITS_TO_DWORD(1)
+#define IS1_ACT_WIDTH		BITS_TO_DWORD(320)
+#define IS1_CNT_WIDTH		BITS_TO_DWORD(4)
+#define IS2_ACT_WIDTH		BITS_TO_DWORD(103 - 2 * VSC9953_PORT_OFFSET)
+#define IS2_CNT_WIDTH		BITS_TO_DWORD(4 * 32)
+#define ES0_ACT_COUNT		(VSC9953_ES0_CNT + VSC9953_MAX_PORTS)
+#define IS1_ACT_COUNT		(VSC9953_IS1_CNT + 1)
+#define IS2_ACT_COUNT		(VSC9953_IS2_CNT + VSC9953_MAX_PORTS + 2)
+
+/* TCAM entries */
+enum tcam_sel {
+	TCAM_SEL_ENTRY   = BIT(0),
+	TCAM_SEL_ACTION  = BIT(1),
+	TCAM_SEL_COUNTER = BIT(2),
+	TCAM_SEL_ALL     = VSC9953_BITMASK(3),
+};
+
+enum tcam_cmd {
+	TCAM_CMD_WRITE      = 0,
+	TCAM_CMD_READ       = 1,
+	TCAM_CMD_MOVE_UP    = 2,
+	TCAM_CMD_MOVE_DOWN  = 3,
+	TCAM_CMD_INITIALIZE = 4,
+};
+
 struct vsc9953_mdio_info {
 	struct vsc9953_mii_mng	*regs;
 	char	*name;