Subversion Repositories openrisc_2011-10-31

/*

 * Examples of Synopsys Design Compiler

 * synthesis script for OR1200 IP core

 *

 */

TOPLEVEL = or1200_top

TECH = vs_umc18         /* vs_umc18, art_umc18 */

CLK = clk_i

RST = rst_i

CLK_PERIOD = 5          /* 200 MHz */

MAX_AREA = 0            /* Push hard */

DO_UNGROUP = no         /* yes, no */

DO_VERIFY = no          /* yes, no */

CLK_UNCERTAINTY = 0.1   /* 100 ps */

DFF_CKQ = 0.2           /* Clk to Q in technology time units */

DFF_SETUP = 0.1         /* Setup time in technology time units */

/* Starting timestamp */

sh date

/*

 * Set some basic variables related to environment

 *

 */

/* Enable Verilog HDL preprocessor */

hdlin_enable_vpp = true

/* Set log path */

LOG_PATH = "../log/"

/* Set gate-level netlist path */

GATE_PATH = "../out/"

/* Set RAMS_PATH */

RAMS_PATH = "../../../lib/"

/* Set RTL source path */

RTL_PATH = { "../../../rtl/verilog/" }

/* Optimize adders */

synlib_model_map_effort = high

hlo_share_effort = low

STAGE = final

/*

 * Load libraries

 *

 */

/* Search paths */

search_path = {. /libs/Artisan/aci/sc-x/synopsys/ } + \

                { /libs/Artisan/aci/sc-x/symbols/synopsys/ } + \

                { /libs/art_rams/ } + \

                { /libs/vs_rams/ /usr/dc/libraries/syn/ } + \

                { /libs/Virtual_silicon/UMCL18U250D2_2.1/design_compiler/ }

/* Synthetic libraries */

snps = get_unix_variable("SYNOPSYS")

synthetic_library = { \

           snps + "/libraries/syn/dw01.sldb" \

           snps + "/libraries/syn/dw02.sldb" \

           snps + "/libraries/syn/dw03.sldb" \

           snps + "/libraries/syn/dw04.sldb" \

           snps + "/libraries/syn/dw05.sldb" \

           snps + "/libraries/syn/dw06.sldb" \

           snps + "/libraries/syn/dw07.sldb" }

/* Set Artisan Sage-X UMC 0.18u standard cell library */

if (TECH == "art_umc18") {

        target_library = { slow.db \

                        vs_hdsp_2048x32_wc_1.08V_125C.db \

                        vs_hdsp_2048x8_tc_1.2V_25C.db \

                        vs_hdsp_512x20_wc_1.08V_125C.db \

                        vs_hdsp_64x14_wc_1.08V_125C.db \

                        vs_hdsp_64x22_wc_1.08V_125C.db \

                        vs_hdsp_64x24_wc_1.08V_125C.db \

                        vs_hdtp_64x32_wc_1.08V_125C.db \

                        }

        symbol_library = { umc18.sdb }

}

/* Set Virtual Silicon UMC 0.18u standard cell library */

if (TECH == "vs_umc18") {

        target_library = { umcl18u250t2_wc.db \

                        vs_hdsp_2048x32_wc_1.08V_125C.db \

                        vs_hdsp_2048x8_wc_1.08V_125C.db \

                        vs_hdsp_512x20_wc_1.08V_125C.db \

                        vs_hdsp_64x14_wc_1.08V_125C.db \

                        vs_hdsp_64x22_wc_1.08V_125C.db \

                        vs_hdsp_64x24_wc_1.08V_125C.db \

                        vs_hdtp_64x32_wc_1.08V_125C.db \

                        }

        symbol_library = { umcl18u250t2.sdb }

}

link_library = target_library + synthetic_library

/*

 * Load HDL source files

 *

 */

include ../bin/read_design.inc          > LOG_PATH + read_design_ + TOPLEVEL + .log

/* Set design top */

current_design TOPLEVEL

/* Link all blocks and uniquify them */

link

uniquify

check_design                            > LOG_PATH + check_design_ + TOPLEVEL + .log

/*

 * Apply constraints

 *

 */

if (TECH == "vs_umc18") {

        DFF_CELL = DFFPQ2

        LIB_DFF_D = umcl18u250t2_wc/DFFPQ2/D

        OPER_COND =  WORST

} else if (TECH == "art_umc18") {

        DFF_CELL = DFFHQX2

        LIB_DFF_D = slow/DFFHQX2/D

        OPER_COND =  slow

} else {

        echo "Error: Unsupported technology"

        exit

}

/* Clocks constraints */

create_clock dwb_clk_i -period CLK_PERIOD

create_clock iwb_clk_i -period CLK_PERIOD

create_clock CLK -period CLK_PERIOD

set_clock_skew all_clocks() -uncertainty CLK_UNCERTAINTY

set_dont_touch_network all_clocks()

/* Reset constraints */

set_driving_cell -none RST

set_drive 0 RST

set_dont_touch_network RST

/* All inputs except reset and clock */

all_inputs_wo_rst_clk = all_inputs() - CLK - RST

/* Set output delays and load for output signals

 *

 * All outputs are assumed to go directly into

 * external flip-flops for the purpose of this

 * synthesis

 */

set_output_delay DFF_SETUP -clock CLK all_outputs()

set_load load_of(LIB_DFF_D) * 4 all_outputs()

/* Input delay and driving cell of all inputs

 *

 * All these signals are assumed to come directly from

 * flip-flops for the purpose of this synthesis

 *

 */

set_input_delay DFF_CKQ -clock CLK all_inputs_wo_rst_clk

set_driving_cell -cell DFF_CELL -pin Q all_inputs_wo_rst_clk

/* Set design fanout */

/*

set_max_fanout 10 TOPLEVEL

*/

/* Optimize all near-critical paths to give extra slack for layout */

c_range = CLK_PERIOD * 0.10

group_path -critical_range c_range -name CLK -to CLK

/* Operating conditions */

set_operating_conditions OPER_COND

/* Lets do basic synthesis */

if (DO_UNGROUP == "yes") {

        ungroup -all

}

set_ultra_optimization -f

compile_new_optimization = true

/*

set_structure -boolean false -timing true

set_flatten -effort medium -minimize single_output

*/

/*

set_flatten false

*/

/*

 compile -boundary_optimization -map_effort medium -ungroup_all

*/

 compile -boundary_optimization -map_effort high -auto_ungroup

/*

compile -map_effort low

*/

/* Save current design using synopsys format */

write -hierarchy -format db -output GATE_PATH + STAGE + _ + TOPLEVEL + .db

/* Save current design using verilog format */

write -hierarchy -format verilog -output GATE_PATH + STAGE + _ + TOPLEVEL + .v

/* Basic reports */

report_area                     > LOG_PATH + STAGE + _ + TOPLEVEL + _area.log

report_timing -nworst 10        > LOG_PATH + STAGE + _ + TOPLEVEL + _timing.log

report_hierarchy                > LOG_PATH + STAGE + _ + TOPLEVEL + _hierarchy.log

report_resources                > LOG_PATH + STAGE + _ + TOPLEVEL + _resources.log

report_references               > LOG_PATH + STAGE + _ + TOPLEVEL + _references.log

report_constraint               > LOG_PATH + STAGE + _ + TOPLEVEL + _constraint.log

report_ultra_optimizations      > LOG_PATH + STAGE + _ + TOPLEVEL + _ultra_optimizations.log

/*

report_power                    > LOG_PATH + STAGE + _ + TOPLEVEL + _power.log

*/

/* Verify design */

if (DO_VERIFY == "yes") {

        compile -no_map -verify         > LOG_PATH + verify_ + TOPLEVEL + .log

}

/* Finish */

sh date

exit