diff --git a/drivers/ram/rockchip/sdram-rv1126-lpddr4-detect-664.inc b/drivers/ram/rockchip/sdram-rv1126-lpddr4-detect-664.inc
new file mode 100644
index 0000000..f601fe5
--- /dev/null
+++ b/drivers/ram/rockchip/sdram-rv1126-lpddr4-detect-664.inc
@@ -0,0 +1,78 @@
+{
+	{
+		{
+			.rank = 0x1,
+			.col = 0xB,
+			.bk = 0x3,
+			.bw = 0x1,
+			.dbw = 0x1,
+			.row_3_4 = 0x0,
+			.cs0_row = 0x11,
+			.cs1_row = 0x11,
+			.cs0_high16bit_row = 0x0,
+			.cs1_high16bit_row = 0x0,
+			.ddrconfig = 0
+		},
+		{
+			{0x36170d15},
+			{0x0d030805},
+			{0x00000602},
+			{0x00001111},
+			{0x00000054},
+			{0x00000000},
+			0x000000ff
+		}
+	},
+	{
+		.ddr_freq = 664,	/* clock rate(MHz) */
+		.dramtype = LPDDR4,
+		.num_channels = 1,
+		.stride = 0,
+		.odt = 1
+	},
+	{
+		{
+			{0x00000000, 0x81081020},	/* MSTR */
+			{0x00000064, 0x0028005d},	/* RFSHTMG */
+			{0x000000d0, 0x0002028a},	/* INIT0 */
+			{0x000000d4, 0x00420000},	/* INIT1 */
+			{0x000000d8, 0x00000204},	/* INIT2 */
+			{0x000000dc, 0x00240012},	/* INIT3 */
+			{0x000000e0, 0x00310000},	/* INIT4 */
+			{0x000000e8, 0x00110000},	/* INIT6 */
+			{0x000000ec, 0x00000000},	/* INIT7 */
+			{0x000000f4, 0x000f033f},	/* RANKCTL */
+			{0x00000100, 0x0f0e0b0e},	/* DRAMTMG0 */
+			{0x00000104, 0x00030415},	/* DRAMTMG1 */
+			{0x00000108, 0x04070d0d},	/* DRAMTMG2 */
+			{0x0000010c, 0x00505000},	/* DRAMTMG3 */
+			{0x00000110, 0x06040407},	/* DRAMTMG4 */
+			{0x00000114, 0x02030505},	/* DRAMTMG5 */
+			{0x00000118, 0x01010004},	/* DRAMTMG6 */
+			{0x0000011c, 0x00000301},	/* DRAMTMG7 */
+			{0x00000120, 0x00000404},	/* DRAMTMG8 */
+			{0x00000130, 0x00020000},	/* DRAMTMG12 */
+			{0x00000134, 0x00100002},	/* DRAMTMG13 */
+			{0x00000138, 0x00000060},	/* DRAMTMG14 */
+			{0x00000180, 0x014c000a},	/* ZQCTL0 */
+			{0x00000184, 0x01100000},	/* ZQCTL1 */
+			{0x00000190, 0x07040000},	/* DFITMG0 */
+			{0x00000198, 0x07000101},	/* DFILPCFG0 */
+			{0x000001a0, 0xc0400003},	/* DFIUPD0 */
+			{0x00000240, 0x0a040b28},	/* ODTCFG */
+			{0x00000244, 0x00000101},	/* ODTMAP */
+			{0x00000250, 0x00001f00},	/* SCHED */
+			{0x00000490, 0x00000001},	/* PCTRL_0 */
+			{0xffffffff, 0xffffffff}
+		}
+	},
+	{
+		{
+			{0x00000004, 0x0000008d},	/* PHYREG01 */
+			{0x00000014, 0x0000000e},	/* PHYREG05 */
+			{0x00000018, 0x00000000},	/* PHYREG06 */
+			{0x0000001c, 0x00000008},	/* PHYREG07 */
+			{0xffffffff, 0xffffffff}
+		}
+	}
+},