simplify processes
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@@ -603,25 +603,27 @@ BEGIN
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VARIABLE stdVec3: std_logic_vector(2 DOWNTO 0);
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BEGIN
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FB_REGDDR_d <= FB_REGDDR_q;
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(FB_VDOE(0), FB_VDOE(1)) <= std_logic_vector'("00");
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(FB_LE(0), FB_LE(1), FB_VDOE(2), FB_LE(2), FB_VDOE(3), FB_LE(3),
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VIDEO_DDR_TA, BUS_CYC_END) <= std_logic_vector'("00000000");
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fb_vdoe <= (OTHERS => '0');
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fb_le <= (OTHERS => '0');
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video_ddr_ta <= '0';
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bus_cyc_end <= '0';
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stdVec3 := FB_REGDDR_q;
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CASE stdVec3 IS
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WHEN "000" =>
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FB_LE(0) <= not nFB_WR;
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-- LOS WENN BEREIT ODER IMMER BEI LINE WRITE
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IF (BUS_CYC_q or (DDR_SEL and LINE and (not nFB_WR)))='1' THEN
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IF (BUS_CYC_q or (DDR_SEL and LINE and (not nFB_WR))) = '1' THEN
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FB_REGDDR_d <= "001";
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ELSE
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FB_REGDDR_d <= "000";
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END IF;
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WHEN "001" =>
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IF (DDR_CS_q)='1' THEN
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IF DDR_CS_q = '1' THEN
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FB_LE(0) <= not nFB_WR;
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VIDEO_DDR_TA <= vcc;
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IF (LINE)='1' THEN
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IF LINE ='1' THEN
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FB_VDOE(0) <= (not nFB_OE) and (not DDR_CONFIG);
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FB_REGDDR_d <= "010";
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ELSE
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@@ -634,7 +636,7 @@ BEGIN
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END IF;
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WHEN "010" =>
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IF (DDR_CS_q)='1' THEN
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IF DDR_CS_q = '1' THEN
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FB_VDOE(1) <= (not nFB_OE) and (not DDR_CONFIG);
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FB_LE(1) <= not nFB_WR;
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VIDEO_DDR_TA <= vcc;
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@@ -644,12 +646,12 @@ BEGIN
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END IF;
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WHEN "011" =>
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IF (DDR_CS_q)='1' THEN
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IF DDR_CS_q ='1' THEN
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FB_VDOE(2) <= (not nFB_OE) and (not DDR_CONFIG);
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FB_LE(2) <= not nFB_WR;
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-- BEI LINE WRITE EVT. WARTEN
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IF ((not BUS_CYC_q) and LINE and (not nFB_WR))='1' THEN
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IF ((not BUS_CYC_q) and LINE and (not nFB_WR)) = '1' THEN
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FB_REGDDR_d <= "011";
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ELSE
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VIDEO_DDR_TA <= vcc;
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@@ -660,7 +662,7 @@ BEGIN
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END IF;
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WHEN "100" =>
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IF (DDR_CS_q)='1' THEN
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IF DDR_CS_q = '1' THEN
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FB_VDOE(3) <= (not nFB_OE) and (not MAIN_CLK) and (not DDR_CONFIG);
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FB_LE(3) <= not nFB_WR;
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VIDEO_DDR_TA <= vcc;
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@@ -672,7 +674,7 @@ BEGIN
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WHEN others =>
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END CASE;
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stdVec3 := (others=>'0'); -- no storage needed
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stdVec3 := (OTHERS => '0'); -- no storage needed
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END PROCESS;
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-- DDR STEUERUNG -----------------------------------------------------
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@@ -690,6 +692,7 @@ BEGIN
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nVRAS <= not VRAS;
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nVCAS <= not VCAS;
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nVWE <= not VWE;
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SR_DDR_WR_clk <= DDRCLK0;
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SR_DDRWR_D_SEL_clk <= DDRCLK0;
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SR_VDMP0_clk_ctrl <= DDRCLK0;
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@@ -697,6 +700,7 @@ BEGIN
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CPU_AC_clk <= DDRCLK0;
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FIFO_AC_clk <= DDRCLK0;
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BLITTER_AC_clk <= DDRCLK0;
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DDRWR_D_SEL1 <= BLITTER_AC_q;
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-- SELECT LOGIC
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@@ -118,19 +118,25 @@ derive_clock_uncertainty
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# Set Input Delay
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#**************************************************************
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 [get_ports {FB*}]
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 {nFB_CS1 nFB_CS2 nFB_CS3 nFB_OE}
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 [get_ports {FB*}]
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 {nFB_CS1 nFB_CS2 nFB_CS3 nFB_OE}
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 2.500 [all_inputs]
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 2.500 [all_inputs]
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#set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 [get_ports {FB*}]
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#set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 {nFB_CS1 nFB_CS2 nFB_CS3 nFB_OE}
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#set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 [get_ports {FB*}]
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#set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 {nFB_CS1 nFB_CS2 nFB_CS3 nFB_OE}
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#**************************************************************
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# Set Output Delay
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#**************************************************************
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set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 [get_ports {FB*}]
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set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 {nFB_TA}
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set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 [get_ports {FB*}]
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set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 {nFB_TA}
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 2.500 [all_outputs]
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set_input_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 2.500 [all_outputs]
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#set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 [get_ports {FB*}]
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#set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 1.500 {nFB_TA}
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#set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 [get_ports {FB*}]
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#set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -max 1.500 {nFB_TA}
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# video RAM access
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set_output_delay -add_delay -clock [get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] -min 0.500 [get_ports {VA[*]}]
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