Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

various changes

Browse Source
This commit is contained in:
Markus Fröschle
2014-12-27 20:21:33 +00:00
parent 6fcd8c2cf2
commit 2adda3f946
4 changed files with 70 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
vhdl/rtl/vhdl/DDR/DDR_CTRL.vhd
View File

@@ -304,7 +304,7 @@ BEGIN
END PROCESS ddr_state_reg;
ddr_state_dec: PROCESS(ddr_state, ddr_refresh_req, cpu_ddr_sync, vmem_config_enable, fb_wr_n, ddr_access, blitter_wr, fifo_req, fifo_bank_ok,
fifo_mw, cpu_req, video_adr_cnt, ddr_sel, data_in, fifo_ba, ddr_refresh_sig)
fifo_mw, cpu_req, video_adr_cnt, ddr_sel, data_in, fifo_ba, ddr_refresh_sig, access_width)
BEGIN
CASE ddr_state IS
WHEN ds_t1 =>

12
vhdl/rtl/vhdl/Firebee/Firebee.vhd
View File

@@ -574,7 +574,17 @@ BEGIN
led_fpga_ok <= timebase(17); -- won't work: doesn't seem to be connected
falcon_io_ta <= acia_cs OR sndcs OR NOT dtack_out_mfp_n OR paddle_cs OR ide_cf_ta OR dma_cs;
fb_ta_n <= '0' WHEN (blitter_ta OR video_ddr_ta OR video_mod_ta OR falcon_io_ta OR dsp_ta OR int_handler_ta) = '1' ELSE 'Z';
p_transfer_acknowledge : PROCESS
BEGIN
WAIT UNTIL rising_edge(clk_main);
IF (blitter_ta OR video_ddr_ta OR video_mod_ta OR falcon_io_ta OR dsp_ta OR int_handler_ta) = '1' THEN
fb_ta_n <= '0';
ELSE
fb_ta_n <= '1';
END IF;
END PROCESS p_transfer_acknowledge;
-- see above: fb_ta_n <= '0' WHEN (blitter_ta OR video_ddr_ta OR video_mod_ta OR falcon_io_ta OR dsp_ta OR int_handler_ta) = '1' ELSE 'Z';
acia_cs <= '1' WHEN fb_cs_n(1) = '0' and fb_adr(23 DOWNTO 3) & "000" = x"FFFC00" ELSE '0'; -- FFFC00 - FFFC07
mfp_cs <= '1' WHEN fb_cs_n(1) = '0' and fb_adr(23 DOWNTO 6) & "000000" = x"FFFA00" ELSE '0'; -- FFFA00/40

85
vhdl/rtl/vhdl/Video/VIDEO_CTRL.vhd
View File

@@ -125,7 +125,6 @@ ARCHITECTURE behaviour OF video_ctrl IS
SIGNAL fbee_vctr : unsigned(31 DOWNTO 0);
SIGNAL ccr_cs : std_logic;
SIGNAL ccr_i : unsigned(23 DOWNTO 0);
SIGNAL fbee_video_on : std_logic;
SIGNAL sys_ctr : unsigned(6 DOWNTO 0);
SIGNAL sys_ctr_cs : std_logic;
SIGNAL vdl_lof : unsigned(15 DOWNTO 0);
@@ -164,7 +163,6 @@ ARCHITECTURE behaviour OF video_ctrl IS
SIGNAL sync_pix2 : std_logic;
-- Legacy ATARI resolutions:
SIGNAL atari_sync : std_logic;
SIGNAL atari_hh : unsigned(31 DOWNTO 0); -- Horizontal timing 640x480.
SIGNAL atari_hh_cs : std_logic;
SIGNAL atari_vh : unsigned(31 DOWNTO 0); -- Vertical timing 640x480.
@@ -203,15 +201,13 @@ ARCHITECTURE behaviour OF video_ctrl IS
SIGNAL border_bottom : unsigned(10 DOWNTO 0);
SIGNAL vs_start : unsigned(10 DOWNTO 0);
SIGNAL v_total : unsigned(10 DOWNTO 0);
SIGNAL falcon_video : std_logic;
SIGNAL st_video : std_logic;
SIGNAL inter_zei_i : std_logic;
SIGNAL dop_zei : std_logic;
SIGNAL vdl_vbe : unsigned(10 DOWNTO 0);
SIGNAL vdl_vbe_cs : std_logic;
SIGNAL vdl_vdb : unsigned(10 DOWNTO 0);
SIGNAL VDL_VDB_CS : std_logic;
SIGNAL vdl_vdb_cs : std_logic;
SIGNAL vdl_vde : unsigned(10 DOWNTO 0);
SIGNAL vdl_vde_cs : std_logic;
SIGNAL vdl_vbb : unsigned(10 DOWNTO 0);
@@ -236,7 +232,16 @@ ARCHITECTURE behaviour OF video_ctrl IS
SIGNAL mul1 : unsigned(16 DOWNTO 0);
SIGNAL mul2 : unsigned(16 DOWNTO 0);
SIGNAL mul3 : unsigned(16 DOWNTO 0) := (OTHERS => 'Z');
ALIAS falcon_video IS fbee_vctr(7);
ALIAS st_video IS fbee_vctr(6);
ALIAS fbee_video_on is fbee_vctr(0);
ALIAS atari_sync IS fbee_vctr(26); -- If 1 -> automatic resolution.
BEGIN
video_ram_ctr <= fbee_vctr(31 DOWNTO 16);
pd_vga_n <= fbee_vctr(1);
vr_wr <= vr_wr_i;
video_reconfig <= video_reconfig_i;
ccr <= ccr_i;
@@ -289,20 +294,21 @@ BEGIN
END PROCESS p_clut_ta;
--Falcon CLUT:
falcon_clut_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(19 DOWNTO 10) = "1111100110" ELSE '0'; -- $F9800/$400
falcon_clut_rdh <= '1' WHEN falcon_clut_cs = '1' AND fb_oe_n = '0' AND fb_adr(1) = '0' ELSE '0'; -- High wORd.
falcon_clut_rdl <= '1' WHEN falcon_clut_cs = '1' AND fb_oe_n = '0' AND fb_adr(1) = '1' ELSE '0'; -- Low wORd.
falcon_clut_cs <= '1' WHEN fb_cs_n(1) = '0' AND unsigned(fb_adr(19 DOWNTO 10)) = 20x"F9800" / 12x"400" ELSE '0'; -- "1111100110" ELSE '0'; -- $F9800/$400
falcon_clut_rdh <= '1' WHEN falcon_clut_cs = '1' AND fb_oe_n = '0' AND fb_adr(1) = '0' ELSE '0'; -- High word.
falcon_clut_rdl <= '1' WHEN falcon_clut_cs = '1' AND fb_oe_n = '0' AND fb_adr(1) = '1' ELSE '0'; -- Low word.
falcon_clut_wr(1 DOWNTO 0) <= fb_16b WHEN fb_adr(1) = '0' AND falcon_clut_cs = '1' AND fb_wr_n = '0' ELSE "00";
falcon_clut_wr(3 DOWNTO 2) <= fb_16b WHEN fb_adr(1) = '1' AND falcon_clut_cs = '1' AND fb_wr_n = '0' ELSE "00";
-- ST CLUT:
st_clut_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(19 DOWNTO 5) = "111110000010010" ELSE '0'; -- $F8240/$2
st_clut_cs <= '1' WHEN fb_cs_n(1) = '0' AND unsigned(fb_adr(19 DOWNTO 5)) = 20x"F8240" / 2 ELSE '0'; -- "111110000010010" ELSE '0'; -- $F8240/$2
clut_st_rd <= '1' WHEN st_clut_cs = '1' AND fb_oe_n = '0' ELSE '0';
clut_st_wr <= fb_16b WHEN st_clut_cs = '1' AND fb_wr_n = '0' ELSE "00";
st_shift_mode_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(19 DOWNTO 1) = "1111100000100110000" ELSE '0'; -- $F8260/$2.
falcon_shift_mode_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(19 DOWNTO 1) = "1111100000100110011" ELSE '0'; -- $F8266/$2.
fbee_vctr_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_adr(27 DOWNTO 2) = "00000000000000000100000000" ELSE '0'; -- $400/$4
st_shift_mode_cs <= '1' WHEN fb_cs_n(1) = '0' AND unsigned(fb_adr(19 DOWNTO 1)) = 20x"F8260" / 2 ELSE '0'; -- "1111100000100110000" ELSE '0'; -- $F8260/$2.
falcon_shift_mode_cs <= '1' WHEN fb_cs_n(1) = '0' AND unsigned(fb_adr(19 DOWNTO 1)) = 20x"F8266" / 2 ELSE '0'; -- "1111100000100110011" ELSE '0'; -- $F8266/$2.
fbee_vctr_cs <= '1' WHEN fb_cs_n(2) = '0' AND unsigned(fb_adr(27 DOWNTO 2)) = 29x"400" / 4 ELSE '0'; -- 00000000000000000100000000" ELSE '0'; -- $400/$4
atari_hh_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_adr(27 DOWNTO 2) = "00000000000000000100000100" ELSE '0'; -- $410/4
atari_vh_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_adr(27 DOWNTO 2) = "00000000000000000100000101" ELSE '0'; -- $414/4
atari_hl_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_adr(27 DOWNTO 2) = "00000000000000000100000110" ELSE '0'; -- $418/4
@@ -406,9 +412,6 @@ BEGIN
END PROCESS p_video_control;
clut_off <= falcon_shift_mode(3 DOWNTO 0) WHEN color4_i = '1' ELSE x"0";
pd_vga_n <= fbee_vctr(1);
fbee_video_on <= fbee_vctr(0);
atari_sync <= fbee_vctr(26); -- If 1 -> automatic resolution.
color1_i <= '1' WHEN st_video = '1' AND fbee_video_on = '0' AND st_shift_mode = "10" AND color8_i = '0' ELSE -- ST mono.
'1' WHEN falcon_video = '1' AND fbee_video_on = '0' AND falcon_shift_mode(10) = '1' AND color16_i = '0' AND color8_i = '0' ELSE -- Falcon mono.
@@ -427,8 +430,8 @@ BEGIN
color4 <= color4_i;
color8 <= color8_i;
-- VIDEO PLL config AND reconfig:
video_pll_config_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_b(0) = '1' AND fb_b(1) = '1' AND fb_adr(27 DOWNTO 9) = "0000000000000000011" ELSE '0'; -- $(F)000'0600-7FF -> 6/2 wORd AND long only.
-- VIDEO PLL config and reconfig:
video_pll_config_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_b(0) = '1' AND fb_b(1) = '1' AND fb_adr(27 DOWNTO 9) = "0000000000000000011" ELSE '0'; -- $(F)000'0600-7FF -> 6/2 word and long only.
video_pll_reconfig_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_b(0) = '1' AND fb_adr(27 DOWNTO 0) = x"0000800" ELSE '0'; -- $(F)000'0800.
vr_rd_i <= '1' WHEN video_pll_config_cs = '1' AND fb_wr_n = '0' AND vr_busy = '0' ELSE '0';
@@ -462,33 +465,29 @@ BEGIN
END IF;
END PROCESS p_video_config;
video_ram_ctr <= fbee_vctr(31 DOWNTO 16);
-- Firebee colour modi:
fbee_clut <= '1' WHEN fbee_video_on = '1' AND (color1_i = '1' OR color8_i = '1') ELSE
'1' WHEN st_video = '1' AND color1_i = '1';
'1' WHEN st_video = '1' AND color1_i = '1';
falcon_video <= fbee_vctr(7);
falcon_clut <= '1' WHEN falcon_video = '1' AND fbee_video_on = '0' AND color16_i = '0' ELSE '0';
st_video <= fbee_vctr(6);
st_clut <= '1' WHEN st_video = '1' AND fbee_video_on = '0' AND falcon_clut = '0' AND color1_i = '0' ELSE '0';
-- Several (video)-registers:
ccr_cs <= '1' WHEN fb_cs_n(2) = '0' AND fb_adr = x"f0000404" ELSE '0'; -- $F0000404 - Firebee video border color
sys_ctr_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8008" ELSE '0'; -- $FF8006 - Falcon monitOR type register
sys_ctr_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8008" ELSE '0'; -- $FF8006 - Falcon monitor type register
vdl_lof_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff820e" ELSE '0'; -- $FF820E/F - line-width hi/lo.
vdl_lwd_CS <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8210" ELSE '0'; -- $FF8210/1 - vertical wrap hi/lo.
vdl_hht_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8282" ELSE '0'; -- $FF8282/3 - hORizontal hold timer hi/lo.
vdl_hbe_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8286" ELSE '0'; -- $FF8286/7 - hORizontal border END hi/lo.
vdl_hdb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8288" ELSE '0'; -- $FF8288/9 - hORizontal display BEGIN hi/lo.
vdl_hde_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff828a" ELSE '0'; -- $FF828A/B - hORizontal display END hi/lo.
vdl_hbb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8284" ELSE '0'; -- $FF8284/5 - hORizontal border BEGIN hi/lo.
vdl_lwd_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8210" ELSE '0'; -- $FF8210/1 - vertical wrap hi/lo.
vdl_hht_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8282" ELSE '0'; -- $FF8282/3 - horizontal hold timer hi/lo.
vdl_hbe_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8286" ELSE '0'; -- $FF8286/7 - horizontal border end hi/lo.
vdl_hdb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8288" ELSE '0'; -- $FF8288/9 - horizontal display start hi/lo.
vdl_hde_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff828a" ELSE '0'; -- $FF828A/B - horizontal display end hi/lo.
vdl_hbb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff8284" ELSE '0'; -- $FF8284/5 - horizontal border start hi/lo.
vdl_hss_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff828c" ELSE '0'; -- $FF828C/D - position hsync (HSS).
vdl_vft_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a2" ELSE '0'; -- $FF82A2/3 - video frequency timer (VFT).
vdl_vbb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a4" ELSE '0'; -- $FF82A4/5 - vertical blank on (IN half line steps).
vdl_vbe_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a6" ELSE '0'; -- $FF82A6/7 - vertical blank off (IN half line steps).
VDL_VDB_CS <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a8" ELSE '0'; -- $FF82A8/9 - vertical display BEGIN (VDB).
vdl_vde_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82aa" ELSE '0'; -- $FF82AA/B - vertical display END (VDE).
vdl_vbb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a4" ELSE '0'; -- $FF82A4/5 - vertical blank on (in half line steps).
vdl_vbe_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a6" ELSE '0'; -- $FF82A6/7 - vertical blank off (in half line steps).
vdl_vdb_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82a8" ELSE '0'; -- $FF82A8/9 - vertical display start (VDB).
vdl_vde_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82aa" ELSE '0'; -- $FF82AA/B - vertical display end (VDE).
vdl_vss_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82ac" ELSE '0'; -- $FF82AC/D - position vsync (VSS).
vdl_vct_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82c0" ELSE '0'; -- $FF82C0/1 - clock control (VCO).
vdl_vmd_cs <= '1' WHEN fb_cs_n(1) = '0' AND fb_adr(23 DOWNTO 1) & '0' = x"ff82c2" ELSE '0'; -- $FF82C2/3 - resolution control.
@@ -519,9 +518,9 @@ BEGIN
END IF;
--vdl_lwd
IF vdl_lwd_CS = '1' AND fb_b(0) = '1' AND fb_wr_n = '0' THEN
IF vdl_lwd_cs = '1' AND fb_b(0) = '1' AND fb_wr_n = '0' THEN
vdl_lwd(15 DOWNTO 8) <= data_in(31 DOWNTO 24);
ELSIF vdl_lwd_CS = '1' AND fb_b(1) = '1' AND fb_wr_n = '0' THEN
ELSIF vdl_lwd_cs = '1' AND fb_b(1) = '1' AND fb_wr_n = '0' THEN
vdl_lwd(7 DOWNTO 0) <= data_in(23 DOWNTO 16);
END IF;
@@ -577,9 +576,9 @@ BEGIN
END IF;
-- vdl_vdb:
IF VDL_VDB_CS = '1' AND fb_b(0) = '1' AND fb_wr_n = '0' THEN
IF vdl_vdb_cs = '1' AND fb_b(0) = '1' AND fb_wr_n = '0' THEN
vdl_vdb(10 DOWNTO 8) <= data_in(26 DOWNTO 24);
ELSIF VDL_VDB_CS = '1' AND fb_b(1) = '1' AND fb_wr_n = '0' THEN
ELSIF vdl_vdb_cs = '1' AND fb_b(1) = '1' AND fb_wr_n = '0' THEN
vdl_vdb(7 DOWNTO 0) <= data_in(23 DOWNTO 16);
END IF;
@@ -631,7 +630,7 @@ BEGIN
"00000" & falcon_shift_mode WHEN falcon_shift_mode_cs = '1' ELSE
"100000000" & sys_ctr(6 DOWNTO 4) & NOT blitter_run & sys_ctr(2 DOWNTO 0) WHEN sys_ctr_cs = '1' ELSE
vdl_lof WHEN vdl_lof_cs = '1' ELSE
vdl_lwd WHEN vdl_lwd_CS = '1' ELSE
vdl_lwd WHEN vdl_lwd_cs = '1' ELSE
x"0" & vdl_hbe WHEN vdl_hbe_cs = '1' ELSE
x"0" & vdl_hdb WHEN vdl_hdb_cs = '1' ELSE
x"0" & VDL_HDE WHEN vdl_hde_cs = '1' ELSE
@@ -639,7 +638,7 @@ BEGIN
x"0" & vdl_hss WHEN vdl_hss_cs = '1' ELSE
x"0" & vdl_hht WHEN vdl_hht_cs = '1' ELSE
"00000" & vdl_vbe WHEN vdl_vbe_cs = '1' ELSE
"00000" & vdl_vdb WHEN VDL_VDB_CS = '1' ELSE
"00000" & vdl_vdb WHEN vdl_vdb_cs = '1' ELSE
"00000" & vdl_vde WHEN vdl_vde_cs = '1' ELSE
"00000" & vdl_vbb WHEN vdl_vbb_cs = '1' ELSE
"00000" & vdl_vss WHEN vdl_vss_cs = '1' ELSE
@@ -662,17 +661,17 @@ BEGIN
atari_vl(15 DOWNTO 0) WHEN atari_vl_cs = '1' ELSE
ccr_i(15 DOWNTO 0) WHEN ccr_cs = '1' ELSE (OTHERS => '0');
data_en_h <= (st_shift_mode_cs OR falcon_shift_mode_cs OR fbee_vctr_cs OR ccr_cs OR sys_ctr_cs OR vdl_lof_cs OR vdl_lwd_CS OR
data_en_h <= (st_shift_mode_cs OR falcon_shift_mode_cs OR fbee_vctr_cs OR ccr_cs OR sys_ctr_cs OR vdl_lof_cs OR vdl_lwd_cs OR
vdl_hbe_cs OR vdl_hdb_cs OR vdl_hde_cs OR vdl_hbb_cs OR vdl_hss_cs OR vdl_hht_cs OR
atari_hh_cs OR atari_vh_cs OR atari_hl_cs OR atari_vl_cs OR video_pll_config_cs OR video_pll_reconfig_cs OR
vdl_vbe_cs OR VDL_VDB_CS OR vdl_vde_cs OR vdl_vbb_cs OR vdl_vss_cs OR vdl_vft_cs OR vdl_vct_cs OR vdl_vmd_cs) AND NOT fb_oe_n;
vdl_vbe_cs OR vdl_vdb_cs OR vdl_vde_cs OR vdl_vbb_cs OR vdl_vss_cs OR vdl_vft_cs OR vdl_vct_cs OR vdl_vmd_cs) AND NOT fb_oe_n;
data_en_l <= (fbee_vctr_cs OR ccr_cs OR atari_hh_cs OR atari_vh_cs OR atari_hl_cs OR atari_vl_cs ) AND NOT fb_oe_n;
video_mod_ta_i <= clut_ta OR st_shift_mode_cs OR falcon_shift_mode_cs OR fbee_vctr_cs OR sys_ctr_cs OR vdl_lof_cs OR vdl_lwd_CS OR
video_mod_ta_i <= clut_ta OR st_shift_mode_cs OR falcon_shift_mode_cs OR fbee_vctr_cs OR sys_ctr_cs OR vdl_lof_cs OR vdl_lwd_cs OR
vdl_hbe_cs OR vdl_hdb_cs OR vdl_hde_cs OR vdl_hbb_cs OR vdl_hss_cs OR vdl_hht_cs OR
atari_hh_cs OR atari_vh_cs OR atari_hl_cs OR atari_vl_cs OR
vdl_vbe_cs OR VDL_VDB_CS OR vdl_vde_cs OR vdl_vbb_cs OR vdl_vss_cs OR vdl_vft_cs OR vdl_vct_cs OR vdl_vmd_cs;
vdl_vbe_cs OR vdl_vdb_cs OR vdl_vde_cs OR vdl_vbb_cs OR vdl_vss_cs OR vdl_vft_cs OR vdl_vct_cs OR vdl_vmd_cs;
p_clk_16m5 : PROCESS
BEGIN

20
vhdl/testbenches/ddr_ram_model.vhd
View File

@@ -195,7 +195,7 @@ ARCHITECTURE rtl OF ddr_ram_model IS
SIGNAL kill_bank : INTEGER;
SIGNAL k : INTEGER;
SIGNAL precharge_flag : unsigned (NBANK - 1 DOWNTO 0); -- precharge bank check flag
SIGNAL precharge_flag : boolean_vector(NBANK - 1 DOWNTO 0); -- precharge bank check flag
SIGNAL autoprech_reg : unsigned (1 DOWNTO 0);
SIGNAL pwrup_done : BOOLEAN;
SIGNAL first_pre : BOOLEAN_VECTOR (NBANK - 1 DOWNTO 0);
@@ -274,7 +274,7 @@ BEGIN
dqs(i) <= '1';
END LOOP;
FOR i IN 0 TO NBANK LOOP
FOR i IN 0 TO NBANK - 1 LOOP
auto_flag(i) <= FALSE;
END LOOP;
@@ -290,19 +290,31 @@ BEGIN
mode <= TO_UNSIGNED(0, mode'LENGTH) OR TO_UNSIGNED(NBANK, 3)(0);
prdl <= TO_UNSIGNED(0, mode'LENGTH) OR TO_UNSIGNED(NBANK, 3)(0);
FOR i IN 0 TO NBANK LOOP
FOR i IN 0 TO NBANK - 1 LOOP
first_pre(i) <= FALSE;
precharge_flag(i) <= FALSE;
END LOOP;
zbyte <= (OTHERS => 'Z');
FOR i IN 0 TO B LOOP
FOR i IN 0 TO B - 1 LOOP
zdata(i) <= '1';
END LOOP;
WAIT;
END PROCESS p_initial;
p_stupid_data_out : PROCESS
BEGIN
WAIT UNTIL rising_edge(clk);
dqs <= (OTHERS => '1');
END PROCESS p_stupid_data_out;
p_stupid_data_out2 : PROCESS
BEGIN
WAIT UNTIL falling_edge(clkb);
dqs <= (OTHERS => '0');
END PROCESS p_stupid_data_out2;
addr <= std_logic_vector(ba) & ad;
rfu <= unsigned(addr(14 DOWNTO 9)) & unsigned(addr(7 DOWNTO 7));
END rtl;