diff --git a/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb32.make b/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb32.make
index cf8398c..03afc29 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb32.make
+++ b/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb32.make
@@ -16,8 +16,8 @@ SRCS += $(MOD_PATH)/src/sdram_config_mt46v16m16.vhd
 SRCS += $(MOD_PATH)/src/sdram_types.vhd
 SRCS += $(MOD_PATH)/src/sdram_cmd.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl.vhd
-SRCS += $(MOD_PATH)/src/ddr_clk_virtex4.vhd
-SRCS += $(MOD_PATH)/src/ddr_phy_virtex4.vhd
+SRCS += $(MOD_PATH)/src/clock/xilinx/ddr_clk_virtex4.vhd
+SRCS += $(MOD_PATH)/src/phy/xilinx/ddr_phy_virtex4.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl_top.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl_frontend_wb32.vhd
 SRCS += $(MOD_PATH)/src/ctrl_ddr_wb32.vhd
diff --git a/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb64.make b/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb64.make
index f38de1d..324a42c 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb64.make
+++ b/lib/SDRAM/ddr_sdr_v1_5/ghdl/tb_ctrl_ddr_wb64.make
@@ -15,8 +15,8 @@ SRCS += $(MOD_PATH)/src/sdram_config_mt46v16m16.vhd
 SRCS += $(MOD_PATH)/src/sdram_types.vhd
 SRCS += $(MOD_PATH)/src/sdram_cmd.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl.vhd
-SRCS += $(MOD_PATH)/src/ddr_clk_virtex4.vhd
-SRCS += $(MOD_PATH)/src/ddr_phy_virtex4.vhd
+SRCS += $(MOD_PATH)/src/clock/xilinx/ddr_clk_virtex4.vhd
+SRCS += $(MOD_PATH)/src/phy/xilinx/ddr_phy_virtex4.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl_top.vhd
 SRCS += $(MOD_PATH)/src/sdram_ctrl_frontend_wb64.vhd
 SRCS += $(MOD_PATH)/src/ctrl_ddr_wb64.vhd