sdram added
diff --git a/Makefile b/Makefile
index 3e6c335..14ef8ca 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,10 @@
 DV_PATTERNS = $(foreach dv, $(PATTERNS), verify-$(dv))
 TARGET_PATH=$(shell pwd)
 PDK_PATH=${PDK_ROOT}/sky130A
-VERIFY_COMMAND="cd ${TARGET_PATH}/verilog/dv/$* && export SIM=${SIM} && make"
+#dinesh-a: iverilog version inside the docker is not able to compile the rtl code
+#  So We are running upto hex file generation inside docker and iverilog outside the docker
+#VERIFY_COMMAND="cd ${TARGET_PATH}/verilog/dv/$* && export SIM=${SIM} && make"
+VERIFY_COMMAND="cd ${TARGET_PATH}/verilog/dv/$* && export SIM=${SIM} && make hex"
 $(DV_PATTERNS): verify-% : ./verilog/dv/% 
 	docker run -v ${TARGET_PATH}:${TARGET_PATH} -v ${PDK_PATH}:${PDK_PATH} \
                 -v ${CARAVEL_ROOT}:${CARAVEL_ROOT} \
@@ -63,6 +66,7 @@
                 -e CARAVEL_ROOT=${CARAVEL_ROOT} \
                 -u $(id -u $$USER):$(id -g $$USER) efabless/dv_setup:latest \
                 sh -c $(VERIFY_COMMAND)
+	cd ${TARGET_PATH}/verilog/dv/$* && $(MAKE) all
 				
 # Openlane Makefile Targets
 BLOCKS = $(shell cd openlane && find * -maxdepth 0 -type d)
diff --git a/openlane/sdram/config.tcl b/openlane/sdram/config.tcl
new file mode 100755
index 0000000..6d6fa7c
--- /dev/null
+++ b/openlane/sdram/config.tcl
@@ -0,0 +1,121 @@
+# Global
+# ------
+
+set script_dir [file dirname [file normalize [info script]]]
+# Name
+set ::env(DESIGN_NAME) sdrc_top
+
+# This is macro
+set ::env(DESIGN_IS_CORE) 0
+
+# Diode insertion
+	#  Spray
+set ::env(DIODE_INSERTION_STRATEGY) 0
+
+	# Smart-"ish"
+#set ::env(DIODE_INSERTION_STRATEGY) 3
+#set ::env(GLB_RT_MAX_DIODE_INS_ITERS) 10
+
+# Timing configuration
+set ::env(CLOCK_PERIOD) "10"
+set ::env(CLOCK_PORT) "wb_clk_i"
+
+
+# Sources
+# -------
+
+# Local sources + no2usb sources
+set ::env(VERILOG_FILES) "\
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/top/sdrc_top.v \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/wb2sdrc/wb2sdrc.v \
+         $script_dir/../../verilog/rtl/lib/async_fifo.sv  \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_core.v \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_bank_ctl.v \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_bank_fsm.v \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_bs_convert.v\ 
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_req_gen.v \
+         $script_dir/../../verilog/rtl/sdram_ctrl/src/core/sdrc_xfr_ctl.v "
+
+set ::env(VERILOG_INCLUDE_DIRS) [glob $script_dir/../../verilog/rtl/sdram_ctrl/src/defs ]
+
+#set ::env(SYNTH_DEFINES) [list SCR1_DBG_EN ]
+
+
+# Need blackbox for cells
+set ::env(SYNTH_READ_BLACKBOX_LIB) 0
+
+
+# Floorplanning
+# -------------
+
+# Fixed area and pin position
+set ::env(FP_SIZING) "absolute"
+#actual die area is 0 0 2920 3520, given 500 micron extra margin
+set ::env(DIE_AREA) [list 0.0 0.0 1000.0 300.0]
+set ::env(FP_PIN_ORDER_CFG) $::env(DESIGN_DIR)/pin_order.cfg
+
+# Halo around the Macros
+set ::env(FP_HORIZONTAL_HALO) 25
+set ::env(FP_VERTICAL_HALO) 20
+
+#set ::env(PDN_CFG) $::env(DESIGN_DIR)/pdn.tcl
+
+
+
+# Placement
+# ---------
+
+set ::env(PL_TARGET_DENSITY) 0.40
+
+#set ::env(MACRO_PLACEMENT_CFG) $::env(DESIGN_DIR)/macro_placement.cfg
+
+
+# Routing
+# -------
+
+#| `ROUTING_CORES` | Specifies the number of threads to be used in TritonRoute. <br> (Default: `4`) |
+set ::env(ROUTING_CORES) 4
+
+#| `GLB_RT_ALLOW_CONGESTION` | Allow congestion in the resultign guides. 0 = false, 1 = true <br> (Default: `0`) |
+set ::env(GLB_RT_ALLOW_CONGESTION) 0
+
+# | `GLB_RT_MINLAYER` | The number of lowest layer to be used in routing. <br> (Default: `1`)|
+set ::env(GLB_RT_MINLAYER) 1
+
+# | `GLB_RT_MAXLAYER` | The number of highest layer to be used in routing. <br> (Default: `6`)|
+set ::env(GLB_RT_MAXLAYER) 6
+
+# Obstructions
+    # li1 over the SRAM areas
+	# met5 over the whole design
+#set ::env(GLB_RT_OBS) "li1 0.00 22.68 1748.00 486.24, li1 0.00 851.08 1748.00 486.24, met5 0.0 0.0 1748.0 1360.0"
+
+#| `ROUTING_OPT_ITERS` | Specifies the maximum number of optimization iterations during Detailed Routing in TritonRoute. <br> (Default: `64`) |
+set ::env(ROUTING_OPT_ITERS) "64"
+
+#| `GLOBAL_ROUTER` | Specifies which global router to use. Values: `fastroute` or `cugr`. <br> (Default: `fastroute`) |
+set ::env(GLOBAL_ROUTER) "fastroute"
+
+#| `DETAILED_ROUTER` | Specifies which detailed router to use. Values: `tritonroute`, `tritonroute_or`, or `drcu`. <br> (Default: `tritonroute`) |
+set ::env(DETAILED_ROUTER) "tritonroute"
+
+# DRC
+# ---
+
+
+set ::env(MAGIC_DRC_USE_GDS) 1
+
+
+# Tape Out
+# --------
+
+set ::env(MAGIC_ZEROIZE_ORIGIN) 0
+
+
+# Cell library specific config
+# ----------------------------
+
+set filename $::env(DESIGN_DIR)/$::env(PDK)_$::env(STD_CELL_LIBRARY)_config.tcl
+if { [file exists $filename] == 1} {
+	source $filename
+}
diff --git a/openlane/sdram/pin_order.cfg b/openlane/sdram/pin_order.cfg
new file mode 100644
index 0000000..ff1a051
--- /dev/null
+++ b/openlane/sdram/pin_order.cfg
@@ -0,0 +1,51 @@
+#BUS_SORT
+
+#E
+wb_clk_i, 
+wb_rst_i, 
+sdram_resetn, 
+sdram_clk, 
+
+
+
+#S
+sdr_cas_n, 
+sdr_cke, 
+sdr_cs_n, 
+sdr_dqm, 
+sdr_ras_n, 
+sdr_we_n, 
+sdr_addr.*
+sdr_ba.*
+pad_sdr_din.*
+sdr_dout.*
+sdr_den_n, 
+sdram_pad_clk, 
+
+
+#W
+sdr_init_done, 
+cfg_sdr_en, 
+cfg_colbits.*
+cfg_req_depth.*
+cfg_sdr_cas.*
+cfg_sdr_mode_reg.*
+cfg_sdr_rfmax.*
+cfg_sdr_rfsh.*
+cfg_sdr_trcar_d.*
+cfg_sdr_trcd_d.*
+cfg_sdr_trp_d.*
+cfg_sdr_twr_d.*
+cfg_sdr_width.*
+
+
+#N
+wb_cyc_i, 
+wb_stb_i, 
+wb_we_i, 
+wb_addr_i.*
+wb_cti_i.*
+wb_dat_i.*
+wb_sel_i.*
+wb_dat_o.*
+wb_ack_o, 
diff --git a/read.me b/read.me
new file mode 100644
index 0000000..50e0e30
--- /dev/null
+++ b/read.me
@@ -0,0 +1,6 @@
+
+# To run the sim for wishbone register access
+make verify-wb_port
+
+#To run the sim for Risc Hello 
+make verify-risc_hello