fixed various "comparison with different length" errors
This commit is contained in:
@@ -306,9 +306,9 @@ begin
|
||||
DDR_NEXT_STATE <= DS_T4W;
|
||||
elsif DDR_ACCESS = BLITTER and BLITTER_WR = '1' then
|
||||
DDR_NEXT_STATE <= DS_T4W;
|
||||
elsif DDR_ACCESS = CPU then -- CPU?
|
||||
elsif DDR_ACCESS = CPU then -- CPU?
|
||||
DDR_NEXT_STATE <= DS_T4R;
|
||||
elsif DDR_ACCESS = FIFO then -- FIFO?
|
||||
elsif DDR_ACCESS = FIFO then -- FIFO?
|
||||
DDR_NEXT_STATE <= DS_T4F;
|
||||
elsif DDR_ACCESS = BLITTER then
|
||||
DDR_NEXT_STATE <= DS_T4R;
|
||||
@@ -463,8 +463,8 @@ begin
|
||||
end case;
|
||||
end process DDR_STATE_DEC;
|
||||
|
||||
P_CLK0: process
|
||||
begin
|
||||
P_CLK0: process
|
||||
begin
|
||||
wait until rising_edge(DDRCLK0);
|
||||
|
||||
-- Default assignments;
|
||||
@@ -857,4 +857,4 @@ end architecture BEHAVIOUR;
|
||||
-- BA_P : latched BA, wenn FIFO_AC, BLITTER_AC
|
||||
-- BA_S : latch for default BA
|
||||
--
|
||||
--FB_SIZE ersetzen.
|
||||
--FB_SIZE ersetzen.
|
||||
|
||||
@@ -216,17 +216,17 @@ begin
|
||||
DMA_BYTECNT(16 downto 9) when DMA_DATA_CS = '1' and DMA_MODE(4) = '1' and FB_OEn = '0' else
|
||||
"0000" & (not DMA_STATUS(1)) & "0" & WDC_BSL(1) & FLOPPY_HD_DD when WDC_BSL_CS = '1' and FB_OEn = '0' else
|
||||
RDF_AZ(7 downto 0) when DMA_AZ_CS = '1' and FB_OEn = '0' else
|
||||
SNDMACTL when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"0" and FB_OEn = '0' else
|
||||
SNDBASHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"1" and FB_OEn = '0' else
|
||||
SNDBASMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"2" and FB_OEn = '0' else
|
||||
SNDBASLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"3" and FB_OEn = '0' else
|
||||
SNDADRHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"4" and FB_OEn = '0' else
|
||||
SNDADRMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"5" and FB_OEn = '0' else
|
||||
SNDADRLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"6" and FB_OEn = '0' else
|
||||
SNDENDHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"7" and FB_OEn = '0' else
|
||||
SNDENDMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"8" and FB_OEn = '0' else
|
||||
SNDENDLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"9" and FB_OEn = '0' else
|
||||
SNDMODE when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"10" and FB_OEn = '0' else
|
||||
SNDMACTL when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"0" and FB_OEn = '0' else
|
||||
SNDBASHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"1" and FB_OEn = '0' else
|
||||
SNDBASMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"2" and FB_OEn = '0' else
|
||||
SNDBASLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"3" and FB_OEn = '0' else
|
||||
SNDADRHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"4" and FB_OEn = '0' else
|
||||
SNDADRMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"5" and FB_OEn = '0' else
|
||||
SNDADRLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"6" and FB_OEn = '0' else
|
||||
SNDENDHI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"7" and FB_OEn = '0' else
|
||||
SNDENDMI when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"8" and FB_OEn = '0' else
|
||||
SNDENDLO when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"9" and FB_OEn = '0' else
|
||||
SNDMODE when DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"10" and FB_OEn = '0' else
|
||||
DMA_HIGH when DMA_HIGH_CS = '1' and FB_OEn = '0' else
|
||||
DMA_MID when DMA_MID_CS = '1' and FB_OEn = '0' else
|
||||
DMA_LOW when DMA_LOW_CS = '1' and FB_OEn = '0' else
|
||||
@@ -275,22 +275,22 @@ begin
|
||||
|
||||
SCSI_CS <= SCSI_CS_I;
|
||||
|
||||
DMA_MODE_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C303" else '0'; -- F8606/2
|
||||
DMA_DATA_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C302" else '0'; -- F8604/2
|
||||
DMA_MODE_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C303" else '0'; -- F8606/2
|
||||
DMA_DATA_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C302" else '0'; -- F8604/2
|
||||
FDC_CS <= '1' when DMA_DATA_CS = '1' and DMA_MODE(4 downto 3) = "00" and FB_B1 = '1' else '0';
|
||||
SCSI_CS_I <= '1' when DMA_DATA_CS = '1' and DMA_MODE(4 downto 3) = "01" and FB_B1 = '1' else '0';
|
||||
DMA_AZ_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = x"002010C" else '0'; -- F002'010C LONG
|
||||
DMA_TOP_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C304" and FB_B0 = '1' else '0'; -- F8608/2
|
||||
DMA_HIGH_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C304" and FB_B1 = '1' else '0'; -- F8609/2
|
||||
DMA_MID_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C305" and FB_B1 = '1' else '0'; -- F860B/2
|
||||
DMA_LOW_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C306" and FB_B1 = '1' else '0'; -- F860D/2
|
||||
DMA_DIRECT_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = x"20100" else '0'; -- F002'0100 WORD
|
||||
DMA_ADR_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = x"20104" else '0'; -- F002'0104 LONG
|
||||
DMA_BYTECNT_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = x"20108" else '0'; -- F002'0108 LONG
|
||||
DMA_SND_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 6) = x"3E24" else '0'; -- F8900-F893F
|
||||
FCF_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = x"0020110" and LONG = '1' else '0'; -- F002'0110 LONG ONLY
|
||||
DMA_AZ_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = 27x"002010C" else '0'; -- F002'010C LONG
|
||||
DMA_TOP_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C304" and FB_B0 = '1' else '0'; -- F8608/2
|
||||
DMA_HIGH_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C304" and FB_B1 = '1' else '0'; -- F8609/2
|
||||
DMA_MID_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C305" and FB_B1 = '1' else '0'; -- F860B/2
|
||||
DMA_LOW_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C306" and FB_B1 = '1' else '0'; -- F860D/2
|
||||
DMA_DIRECT_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = 27x"20100" else '0'; -- F002'0100 WORD
|
||||
DMA_ADR_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = 27x"20104" else '0'; -- F002'0104 LONG
|
||||
DMA_BYTECNT_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = 27x"20108" else '0'; -- F002'0108 LONG
|
||||
DMA_SND_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(20 downto 6) = 15x"3E24" else '0'; -- F8900-F893F
|
||||
FCF_CS <= '1' when FB_CSn(2) = '0' and FB_ADR(26 downto 0) = 27x"0020110" and LONG = '1' else '0'; -- F002'0110 LONG ONLY
|
||||
DMA_CS <= FCF_CS or DMA_MODE_CS or DMA_SND_CS or DMA_ADR_CS or DMA_DIRECT_CS or DMA_BYTECNT_CS;
|
||||
WDC_BSL_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = x"7C307" else '0'; -- F860E/2
|
||||
WDC_BSL_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 1) = 19x"7C307" else '0'; -- F860E/2
|
||||
|
||||
FCF_APH <= '1' when FB_ALE = '1' and FB_AD_IN(31 downto 0) = x"F0020110" and LONG = '1' else '0'; -- ADRESSPHASE F0020110 LONG ONLY
|
||||
|
||||
@@ -462,27 +462,27 @@ begin
|
||||
SNDENDLO <= x"00";
|
||||
SNDMODE <= x"00";
|
||||
elsif CLK_MAIN = '1' and CLK_MAIN' event then
|
||||
if DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"0" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
if DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"0" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDMACTL <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"1" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"1" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDBASHI <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"2" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"2" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDBASMI <= FB_AD_IN(23downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"3" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"3" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDBASLO <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"4" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"4" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDADRHI <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"5" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"5" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDADRMI <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"6" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"6" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDADRLO <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"7" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"7" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDENDHI <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"8" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"8" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDENDMI <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"9" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"9" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDENDLO <= FB_AD_IN(23 downto 16);
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = x"10" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
elsif DMA_SND_CS = '1' and FB_ADR(5 downto 1) = 5x"10" and FB_WRn = '0' and FB_B1 ='1' then
|
||||
SNDMODE <= FB_AD_IN(23 downto 16);
|
||||
end if;
|
||||
end if;
|
||||
@@ -586,4 +586,4 @@ begin
|
||||
end if;
|
||||
end case;
|
||||
end process FCF_DECODER;
|
||||
end architecture BEHAVIOUR;
|
||||
end architecture BEHAVIOUR;
|
||||
|
||||
@@ -96,11 +96,11 @@ use ieee.numeric_std.all;
|
||||
|
||||
entity firebee is
|
||||
port(
|
||||
RSTO_MCFn : in std_logic;
|
||||
CLK_33M : in std_logic;
|
||||
CLK_MAIN : in std_logic;
|
||||
RSTO_MCFn : in std_logic; -- reset signal from Coldfire
|
||||
CLK_33M : in std_logic; -- 33 MHz clock
|
||||
CLK_MAIN : in std_logic; -- 33 MHz clock
|
||||
|
||||
CLK_24M576 : out std_logic;
|
||||
CLK_24M576 : out std_logic; --
|
||||
CLK_25M : out std_logic;
|
||||
CLK_DDR_OUT : out std_logic;
|
||||
CLK_DDR_OUTn : out std_logic;
|
||||
@@ -118,7 +118,7 @@ entity firebee is
|
||||
DACK1n : in std_logic;
|
||||
DREQ1n : out std_logic;
|
||||
|
||||
MASTERn : in std_logic; -- Not used so far.
|
||||
MASTERn : in std_logic; -- determines if the Firebee is PCI master (='0') or slave. Not used so far.
|
||||
TOUT0n : in std_logic; -- Not used so far.
|
||||
|
||||
LED_FPGA_OK : out std_logic;
|
||||
@@ -323,8 +323,8 @@ architecture Structure of firebee is
|
||||
);
|
||||
end component;
|
||||
|
||||
signal ACIA_CS : std_logic;
|
||||
signal ACIA_IRQn : std_logic;
|
||||
signal ACIA_CS : std_logic;
|
||||
signal ACIA_IRQn : std_logic;
|
||||
signal ACSI_D_OUT : std_logic_vector(7 downto 0);
|
||||
signal ACSI_D_EN : std_logic;
|
||||
signal BLANK_In : std_logic;
|
||||
@@ -567,7 +567,7 @@ begin
|
||||
LED_FPGA_OK <= TIMEBASE(17);
|
||||
|
||||
FALCON_IO_TA <= ACIA_CS or SNDCS or not DTACK_OUT_MFPn or PADDLE_CS or IDE_CF_TA or DMA_CS;
|
||||
FB_TAn <= '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 '1';
|
||||
FB_TAn <= '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_CSn(1) = '0' and FB_ADR(23 downto 3) & "000" = x"FFFC00" else '0'; -- FFFC00 - FFFC07
|
||||
MFP_CS <= '1' when FB_CSn(1) = '0' and FB_ADR(23 downto 6) & "000000" = x"FFFA00" else '0'; -- FFFA00/40
|
||||
@@ -625,14 +625,14 @@ begin
|
||||
x"00" when MFP_INTACK = '1' and FB_OEn = '0' else
|
||||
DATA_OUT_ACIA_I when ACIA_CS = '1' and FB_ADR(2) = '0' and FB_OEn = '0' else
|
||||
DATA_OUT_ACIA_II when ACIA_CS = '1' and FB_ADR(2) = '1' and FB_OEn = '0' else
|
||||
x"BF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"0" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"1" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"8" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"9" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"A" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"B" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"10" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"11" and FB_OEn = '0' else (others => 'Z');
|
||||
x"BF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"0" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"1" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"8" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"9" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"A" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"B" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"10" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"11" and FB_OEn = '0' else (others => 'Z');
|
||||
|
||||
FB_AD(23 downto 16) <= DATA_OUT_BLITTER(23 downto 16) when DATA_EN_BLITTER = '1' else
|
||||
VDP_Q1(23 downto 16) when FB_VDOE = x"2" else
|
||||
@@ -647,14 +647,14 @@ begin
|
||||
DATA_OUT_MFP when MFP_CS = '1' and FB_OEn = '0' else
|
||||
x"00" when MFP_INTACK = '1' and FB_OEn = '0' else
|
||||
FB_AD_OUT_RTC when FB_AD_EN_RTC = '1' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"0" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"1" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"8" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"9" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"A" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"B" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"10" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = x"11" and FB_OEn = '0' else (others => 'Z');
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"0" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"1" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"8" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"9" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"A" and FB_OEn = '0' else
|
||||
x"FF" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"B" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"10" and FB_OEn = '0' else
|
||||
x"00" when PADDLE_CS = '1' and FB_ADR(5 downto 1) = 5x"11" and FB_OEn = '0' else (others => 'Z');
|
||||
|
||||
FB_AD(15 downto 8) <= DATA_OUT_BLITTER(15 downto 8) when DATA_EN_BLITTER = '1' else
|
||||
VDP_Q1(15 downto 8) when FB_VDOE = x"2" else
|
||||
@@ -682,7 +682,7 @@ begin
|
||||
begin
|
||||
wait until rising_edge(DDR_SYNC_66M);
|
||||
if FB_ALE = '1' then
|
||||
FB_ADR <= FB_AD;
|
||||
FB_ADR <= FB_AD; -- latch Flexbus address
|
||||
end if;
|
||||
--
|
||||
if VD_EN_I = '0' then
|
||||
@@ -1318,4 +1318,4 @@ configuration FULL of firebee is
|
||||
for Structure
|
||||
-- default configuration
|
||||
end for;
|
||||
end configuration FULL;
|
||||
end configuration FULL;
|
||||
|
||||
@@ -192,7 +192,7 @@ begin
|
||||
-- '1' when FB_CSn(1) = '0' and FB_ADR(19 downto 4) = x"F892" else '0'; -- DMA SOUND
|
||||
|
||||
-- IF video ADR changes:
|
||||
TIN0 <= '1' when FB_CSn(1) = '0' and FB_WRn = '0' and FB_ADR(19 downto 1) = x"7C100" else '0'; -- Write video base address high 0xFFFF8201/2.
|
||||
TIN0 <= '1' when FB_CSn(1) = '0' and FB_WRn = '0' and FB_ADR(19 downto 1) = 19x"7C100" else '0'; -- Write video base address high 0xFFFF8201/2.
|
||||
|
||||
P_INT_LATCH : process
|
||||
begin
|
||||
|
||||
@@ -95,7 +95,7 @@ architecture BEHAVIOUR of IDE_CF_SD_ROM is
|
||||
|
||||
signal CMD_STATE : CMD_STATES;
|
||||
signal NEXT_CMD_STATE : CMD_STATES;
|
||||
signal ROM_CS : STD_LOGIC;
|
||||
signal ROM_CS : std_logic;
|
||||
signal IDE_CF_CS : std_logic;
|
||||
signal NEXT_IDE_RDn : std_logic;
|
||||
signal NEXT_IDE_WRn : std_logic;
|
||||
@@ -105,17 +105,17 @@ begin
|
||||
RP_UDSn <= '0' when FB_WRn = '1' and FB_B0 = '1' and (ROM_CS = '1' or IDE_CF_CS = '1' or IDE_WRn = '0') else '1';
|
||||
RP_LDSn <= '0' when FB_WRn = '1' and FB_B1 = '1' and (ROM_CS = '1' or IDE_CF_CS = '1' or IDE_WRn = '0') else '1';
|
||||
|
||||
IDE_CF_CS <= '1' when FB_CS1n = '0' and FB_ADR(19 downto 7) = x"0" else '0'; -- FFF0'0000/80
|
||||
IDE_CF_CS <= '1' when FB_CS1n = '0' and FB_ADR(19 downto 7) = 13x"1" else '0'; -- FFF0'0000/80
|
||||
|
||||
IDE_CSn(0) <= '0' when FBEE_CONF(30) = '0' and FB_ADR(19 downto 5) = x"2" else -- FFF0'0040-FFF0'005F
|
||||
'0' when FBEE_CONF(30) = '1' and FB_ADR(19 downto 5) = x"0" else '1'; -- FFFO'0000-FFF0'001F
|
||||
IDE_CSn(1) <= '0' when FBEE_CONF(30) = '0' and FB_ADR(19 downto 5) = x"3" else -- FFF0'0060-FFF0'007F
|
||||
'0' when FBEE_CONF(30) = '1' and FB_ADR(19 downto 5) = x"1" else '1'; -- FFFO'0020-FFF0'003F
|
||||
IDE_CSn(0) <= '0' when FBEE_CONF(30) = '0' and FB_ADR(19 downto 5) = 15x"2" else -- FFF0'0040-FFF0'005F
|
||||
'0' when FBEE_CONF(30) = '1' and FB_ADR(19 downto 5) = 15x"0" else '1'; -- FFFO'0000-FFF0'001F
|
||||
IDE_CSn(1) <= '0' when FBEE_CONF(30) = '0' and FB_ADR(19 downto 5) = 15x"3" else -- FFF0'0060-FFF0'007F
|
||||
'0' when FBEE_CONF(30) = '1' and FB_ADR(19 downto 5) = 15x"1" else '1'; -- FFFO'0020-FFF0'003F
|
||||
|
||||
CF_CSn(0) <= '0' when FBEE_CONF(31) = '0' and FB_ADR(19 downto 5) = x"0" else -- FFFO'0000-FFF0'001F
|
||||
'0' when FBEE_CONF(31) = '1' and FB_ADR(19 downto 5) = x"2" else '1'; -- FFFO'0040-FFF0'005F
|
||||
CF_CSn(1) <= '0' when FBEE_CONF(31) = '0' and FB_ADR(19 downto 5) = x"1" else -- FFF0'0020-FFF0'003F
|
||||
'0' when FBEE_CONF(31) = '1' and FB_ADR(19 downto 5) = x"3" else '1'; -- FFFO'0060-FFF0'007F
|
||||
CF_CSn(0) <= '0' when FBEE_CONF(31) = '0' and FB_ADR(19 downto 5) = 15x"0" else -- FFFO'0000-FFF0'001F
|
||||
'0' when FBEE_CONF(31) = '1' and FB_ADR(19 downto 5) = 15x"2" else '1'; -- FFFO'0040-FFF0'005F
|
||||
CF_CSn(1) <= '0' when FBEE_CONF(31) = '0' and FB_ADR(19 downto 5) = 15x"1" else -- FFF0'0020-FFF0'003F
|
||||
'0' when FBEE_CONF(31) = '1' and FB_ADR(19 downto 5) = 15x"3" else '1'; -- FFFO'0060-FFF0'007F
|
||||
|
||||
IDE_DRQn <= '0';
|
||||
|
||||
@@ -175,6 +175,6 @@ begin
|
||||
SD_CMD_D1_OUT <= '0';
|
||||
SD_CMD_D1_EN <= '0';
|
||||
|
||||
ROM4n <= '0' when FB_CS1n = '0' and FB_WRn = '1' and FB_ADR(19 downto 17) = x"5" and FB_ADR(16) = '0' else '1'; -- FFF A'0000/2'0000
|
||||
ROM3n <= '0' when FB_CS1n = '0' and FB_WRn = '1' and FB_ADR(19 downto 17) = x"5" and FB_ADR(16) = '1' else '1'; -- FFF A'0000/2'0000
|
||||
ROM4n <= '0' when FB_CS1n = '0' and FB_WRn = '1' and FB_ADR(19 downto 17) = 3x"5" and FB_ADR(16) = '0' else '1'; -- FFF A'0000/2'0000
|
||||
ROM3n <= '0' when FB_CS1n = '0' and FB_WRn = '1' and FB_ADR(19 downto 17) = 3x"5" and FB_ADR(16) = '1' else '1'; -- FFF A'0000/2'0000
|
||||
end architecture BEHAVIOUR;
|
||||
|
||||
@@ -1,33 +1,33 @@
|
||||
----------------------------------------------------------------------
|
||||
---- ----
|
||||
---- WF5380 IP Core ----
|
||||
---- ----
|
||||
---- Description: ----
|
||||
---- This model provides an asynchronous SCSI interface compa- ----
|
||||
---- tible to the DP5380 from National Semiconductor and others. ----
|
||||
---- ----
|
||||
---- Some remarks to the required input clock: ----
|
||||
---- This core is provided for a 16MHz input clock. To use other ----
|
||||
---- frequencies, it is necessary to modify the following proces- ----
|
||||
---- ses in the control file section: ----
|
||||
---- P_BUSFREE, DELAY_800, INTERRUPTS. ----
|
||||
---- ----
|
||||
---- This file is the top level file without tree state buses for ----
|
||||
---- use in 'systems on chip' designs. ----
|
||||
---- WF5380 IP Core ----
|
||||
---- ----
|
||||
---- Description: ----
|
||||
---- This model provides an asynchronous SCSI interface compa- ----
|
||||
---- tible to the DP5380 from National Semiconductor and others. ----
|
||||
---- ----
|
||||
---- Some remarks to the required input clock: ----
|
||||
---- This core is provided for a 16MHz input clock. To use other ----
|
||||
---- frequencies, it is necessary to modify the following proces- ----
|
||||
---- ses in the control file section: ----
|
||||
---- P_BUSFREE, DELAY_800, INTERRUPTS. ----
|
||||
---- ----
|
||||
---- This file is the top level file without tree state buses for ----
|
||||
---- use in 'systems on chip' designs. ----
|
||||
---- ----
|
||||
---- ----
|
||||
---- ----
|
||||
---- Author(s): ----
|
||||
---- - Wolfgang Foerster, wf@experiment-s.de; wf@inventronik.de ----
|
||||
---- ----
|
||||
----------------------------------------------------------------------
|
||||
---- ----
|
||||
---- Copyright <20> 2009-2010 Wolfgang Foerster Inventronik GmbH. ----
|
||||
---- All rights reserved. No portion of this sourcecode may be ----
|
||||
---- reproduced or transmitted in any form by any means, whether ----
|
||||
---- by electronic, mechanical, photocopying, recording or ----
|
||||
---- otherwise, without my written permission. ----
|
||||
---- ----
|
||||
----------------------------------------------------------------------
|
||||
----------------------------------------------------------------------
|
||||
---- ----
|
||||
---- Copyright <20> 2009-2010 Wolfgang Foerster Inventronik GmbH. ----
|
||||
---- All rights reserved. No portion of this sourcecode may be ----
|
||||
---- reproduced or transmitted in any form by any means, whether ----
|
||||
---- by electronic, mechanical, photocopying, recording or ----
|
||||
---- otherwise, without my written permission. ----
|
||||
---- ----
|
||||
----------------------------------------------------------------------
|
||||
--
|
||||
-- Revision History
|
||||
--
|
||||
@@ -42,8 +42,8 @@ library ieee;
|
||||
use ieee.std_logic_1164.all;
|
||||
use ieee.std_logic_unsigned.all;
|
||||
|
||||
entity WF5380_TOP_SOC is
|
||||
port (
|
||||
entity WF5380_TOP_SOC is
|
||||
port (
|
||||
-- System controls:
|
||||
CLK : in std_logic; -- Use a 16MHz Clock.
|
||||
RESETn : in std_logic;
|
||||
@@ -51,237 +51,237 @@ entity WF5380_TOP_SOC is
|
||||
-- Address and data:
|
||||
ADR : in std_logic_vector(2 downto 0);
|
||||
DATA_IN : in std_logic_vector(7 downto 0);
|
||||
DATA_OUT : out std_logic_vector(7 downto 0);
|
||||
DATA_EN : out std_logic;
|
||||
DATA_OUT : out std_logic_vector(7 downto 0);
|
||||
DATA_EN : out std_logic;
|
||||
|
||||
-- Bus and DMA controls:
|
||||
CSn : in std_logic;
|
||||
RDn : in std_logic;
|
||||
WRn : in std_logic;
|
||||
EOPn : in std_logic;
|
||||
DACKn : in std_logic;
|
||||
DRQ : out std_logic;
|
||||
INT : out std_logic;
|
||||
READY : out std_logic;
|
||||
CSn : in std_logic;
|
||||
RDn : in std_logic;
|
||||
WRn : in std_logic;
|
||||
EOPn : in std_logic;
|
||||
DACKn : in std_logic;
|
||||
DRQ : out std_logic;
|
||||
INT : out std_logic;
|
||||
READY : out std_logic;
|
||||
|
||||
-- SCSI bus:
|
||||
DB_INn : in std_logic_vector(7 downto 0);
|
||||
DB_OUTn : out std_logic_vector(7 downto 0);
|
||||
DB_EN : out std_logic;
|
||||
DBP_INn : in std_logic;
|
||||
DBP_OUTn : out std_logic;
|
||||
DBP_EN : out std_logic;
|
||||
RST_INn : in std_logic;
|
||||
RST_OUTn : out std_logic;
|
||||
RST_EN : out std_logic;
|
||||
BSY_INn : in std_logic;
|
||||
BSY_OUTn : out std_logic;
|
||||
BSY_EN : out std_logic;
|
||||
SEL_INn : in std_logic;
|
||||
SEL_OUTn : out std_logic;
|
||||
SEL_EN : out std_logic;
|
||||
ACK_INn : in std_logic;
|
||||
ACK_OUTn : out std_logic;
|
||||
ACK_EN : out std_logic;
|
||||
ATN_INn : in std_logic;
|
||||
ATN_OUTn : out std_logic;
|
||||
ATN_EN : out std_logic;
|
||||
REQ_INn : in std_logic;
|
||||
REQ_OUTn : out std_logic;
|
||||
REQ_EN : out std_logic;
|
||||
IOn_IN : in std_logic;
|
||||
IOn_OUT : out std_logic;
|
||||
IO_EN : out std_logic;
|
||||
CDn_IN : in std_logic;
|
||||
CDn_OUT : out std_logic;
|
||||
CD_EN : out std_logic;
|
||||
MSG_INn : in std_logic;
|
||||
MSG_OUTn : out std_logic;
|
||||
MSG_EN : out std_logic
|
||||
DB_OUTn : out std_logic_vector(7 downto 0);
|
||||
DB_EN : out std_logic;
|
||||
DBP_INn : in std_logic;
|
||||
DBP_OUTn : out std_logic;
|
||||
DBP_EN : out std_logic;
|
||||
RST_INn : in std_logic;
|
||||
RST_OUTn : out std_logic;
|
||||
RST_EN : out std_logic;
|
||||
BSY_INn : in std_logic;
|
||||
BSY_OUTn : out std_logic;
|
||||
BSY_EN : out std_logic;
|
||||
SEL_INn : in std_logic;
|
||||
SEL_OUTn : out std_logic;
|
||||
SEL_EN : out std_logic;
|
||||
ACK_INn : in std_logic;
|
||||
ACK_OUTn : out std_logic;
|
||||
ACK_EN : out std_logic;
|
||||
ATN_INn : in std_logic;
|
||||
ATN_OUTn : out std_logic;
|
||||
ATN_EN : out std_logic;
|
||||
REQ_INn : in std_logic;
|
||||
REQ_OUTn : out std_logic;
|
||||
REQ_EN : out std_logic;
|
||||
IOn_IN : in std_logic;
|
||||
IOn_OUT : out std_logic;
|
||||
IO_EN : out std_logic;
|
||||
CDn_IN : in std_logic;
|
||||
CDn_OUT : out std_logic;
|
||||
CD_EN : out std_logic;
|
||||
MSG_INn : in std_logic;
|
||||
MSG_OUTn : out std_logic;
|
||||
MSG_EN : out std_logic
|
||||
);
|
||||
end entity WF5380_TOP_SOC;
|
||||
|
||||
architecture STRUCTURE of WF5380_TOP_SOC is
|
||||
signal ACK_OUT_CTRLn : std_logic;
|
||||
signal AIP : std_logic;
|
||||
signal ARB : std_logic;
|
||||
signal ARB_EN : std_logic;
|
||||
signal BLK : std_logic;
|
||||
signal BSR : std_logic_vector(7 downto 0);
|
||||
signal BSY_DISn : std_logic;
|
||||
signal BSY_ERR : std_logic;
|
||||
signal BSY_OUT_CTRLn : std_logic;
|
||||
signal CHK_PAR : std_logic;
|
||||
signal CSD : std_logic_vector(7 downto 0);
|
||||
signal CSB : std_logic_vector(7 downto 0);
|
||||
signal DATA_EN_CTRL : std_logic;
|
||||
signal DB_EN_I : std_logic;
|
||||
signal DMA_ACTIVE : std_logic;
|
||||
signal DMA_EN : std_logic;
|
||||
signal DMA_DIS : std_logic;
|
||||
signal DMA_SND : std_logic;
|
||||
signal DRQ_I : std_logic;
|
||||
signal EDMA : std_logic;
|
||||
signal EOP_EN : std_logic;
|
||||
signal ICR : std_logic_vector(7 downto 0);
|
||||
signal IDR_WR : std_logic;
|
||||
signal INT_I : std_logic;
|
||||
signal LA : std_logic;
|
||||
signal ODR : std_logic_vector(7 downto 0);
|
||||
signal ODR_WR : std_logic;
|
||||
signal PCHK : std_logic;
|
||||
signal PHSM : std_logic;
|
||||
signal PINT_EN : std_logic;
|
||||
signal REQ_OUT_CTRLn : std_logic;
|
||||
signal RPI : std_logic;
|
||||
signal RST : std_logic;
|
||||
signal SDI : std_logic;
|
||||
signal SDS : std_logic;
|
||||
signal SDT : std_logic;
|
||||
signal SER : std_logic_vector(7 downto 0);
|
||||
signal SER_ID : std_logic;
|
||||
signal SPER : std_logic;
|
||||
signal TARG : std_logic;
|
||||
signal TCR : std_logic_vector(3 downto 0);
|
||||
architecture STRUCTURE of WF5380_TOP_SOC is
|
||||
signal ACK_OUT_CTRLn : std_logic;
|
||||
signal AIP : std_logic;
|
||||
signal ARB : std_logic;
|
||||
signal ARB_EN : std_logic;
|
||||
signal BLK : std_logic;
|
||||
signal BSR : std_logic_vector(7 downto 0);
|
||||
signal BSY_DISn : std_logic;
|
||||
signal BSY_ERR : std_logic;
|
||||
signal BSY_OUT_CTRLn : std_logic;
|
||||
signal CHK_PAR : std_logic;
|
||||
signal CSD : std_logic_vector(7 downto 0);
|
||||
signal CSB : std_logic_vector(7 downto 0);
|
||||
signal DATA_EN_CTRL : std_logic;
|
||||
signal DB_EN_I : std_logic;
|
||||
signal DMA_ACTIVE : std_logic;
|
||||
signal DMA_EN : std_logic;
|
||||
signal DMA_DIS : std_logic;
|
||||
signal DMA_SND : std_logic;
|
||||
signal DRQ_I : std_logic;
|
||||
signal EDMA : std_logic;
|
||||
signal EOP_EN : std_logic;
|
||||
signal ICR : std_logic_vector(7 downto 0);
|
||||
signal IDR_WR : std_logic;
|
||||
signal INT_I : std_logic;
|
||||
signal LA : std_logic;
|
||||
signal ODR : std_logic_vector(7 downto 0);
|
||||
signal ODR_WR : std_logic;
|
||||
signal PCHK : std_logic;
|
||||
signal PHSM : std_logic;
|
||||
signal PINT_EN : std_logic;
|
||||
signal REQ_OUT_CTRLn : std_logic;
|
||||
signal RPI : std_logic;
|
||||
signal RST : std_logic;
|
||||
signal SDI : std_logic;
|
||||
signal SDS : std_logic;
|
||||
signal SDT : std_logic;
|
||||
signal SER : std_logic_vector(7 downto 0);
|
||||
signal SER_ID : std_logic;
|
||||
signal SPER : std_logic;
|
||||
signal TARG : std_logic;
|
||||
signal TCR : std_logic_vector(3 downto 0);
|
||||
begin
|
||||
EDMA <= '1' when EOPn = '0' and DACKn = '0' and RDn = '0' else
|
||||
'1' when EOPn = '0' and DACKn = '0' and WRn = '0' else '0';
|
||||
|
||||
PHSM <= '1' when DMA_ACTIVE = '0' else -- Always true, if there is no DMA.
|
||||
'1' when DMA_ACTIVE = '1' and REQ_INn = '0' and CDn_In = TCR(1) and IOn_IN = TCR(0) and MSG_INn = TCR(2) else '0'; -- Phasematch.
|
||||
|
||||
DMA_DIS <= '1' when DMA_ACTIVE = '1' and BSY_INn = '1' else '0';
|
||||
|
||||
SER_ID <= '1' when SER /= x"00" and SER = not CSD else '0';
|
||||
|
||||
DRQ <= DRQ_I;
|
||||
INT <= INT_I;
|
||||
|
||||
-- Pay attention: the SCSI bus is driven with inverted signals.
|
||||
ACK_OUTn <= ACK_OUT_CTRLn when DMA_ACTIVE = '1' else not ICR(4); -- Valid in initiator mode.
|
||||
REQ_OUTn <= REQ_OUT_CTRLn when DMA_ACTIVE = '1' else not TCR(3); -- Valid in Target mode.
|
||||
BSY_OUTn <= '0' when BSY_OUT_CTRLn = '0' and TARG = '0' else -- Valid in initiator mode.
|
||||
'0' when ICR(3) = '1' else '1';
|
||||
ATN_OUTn <= not ICR(1); -- Valid in initiator mode.
|
||||
SEL_OUTn <= not ICR(2); -- Valid in initiator mode.
|
||||
IOn_OUT <= not TCR(0); -- Valid in Target mode.
|
||||
CDn_OUT <= not TCR(1); -- Valid in Target mode.
|
||||
MSG_OUTn <= not TCR(2); -- Valid in Target mode.
|
||||
RST_OUTn <= not RST;
|
||||
|
||||
DB_OUTn <= not ODR;
|
||||
DBP_OUTn <= not SPER;
|
||||
|
||||
CSD <= not DB_INn;
|
||||
CSB <= not RST_INn & not BSY_INn & not REQ_INn & not MSG_INn & not CDn_IN & not IOn_IN & not SEL_INn & not DBP_INn;
|
||||
BSR <= EDMA & DRQ_I & SPER & INT_I & PHSM & BSY_ERR & not ATN_INn & not ACK_INn;
|
||||
|
||||
-- Hi impedance control:
|
||||
ATN_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
SEL_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
BSY_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
ACK_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
IO_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
CD_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
MSG_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
REQ_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
RST_EN <= '1' when RST = '1' else '0'; -- Open drain control.
|
||||
|
||||
-- Data enables:
|
||||
DB_EN_I <= '1' when DATA_EN_CTRL = '1' else -- During Arstd_logicration.
|
||||
'1' when ICR(0) = '1' and TARG = '1' and DMA_SND = '1' else -- Target 'Send' mode.
|
||||
'1' when ICR(0) = '1' and TARG = '0' and IOn_IN = '0' and PHSM = '1' else
|
||||
'1' when ICR(6) = '1' else '0'; -- Test mode enable.
|
||||
|
||||
DB_EN <= DB_EN_I;
|
||||
DBP_EN <= DB_EN_I;
|
||||
|
||||
I_REGISTERS: WF5380_REGISTERS
|
||||
port map(
|
||||
CLK => CLK,
|
||||
RESETn => RESETn,
|
||||
ADR => ADR,
|
||||
DATA_IN => DATA_IN,
|
||||
DATA_OUT => DATA_OUT,
|
||||
DATA_EN => DATA_EN,
|
||||
CSn => CSn,
|
||||
RDn => RDn,
|
||||
WRn => WRn,
|
||||
RSTn => RST_INn,
|
||||
RST => RST,
|
||||
ARB_EN => ARB_EN,
|
||||
DMA_ACTIVE => DMA_ACTIVE,
|
||||
DMA_EN => DMA_EN,
|
||||
BSY_DISn => BSY_DISn,
|
||||
EOP_EN => EOP_EN,
|
||||
PINT_EN => PINT_EN,
|
||||
SPER => SPER,
|
||||
TARG => TARG,
|
||||
BLK => BLK,
|
||||
DMA_DIS => DMA_DIS,
|
||||
IDR_WR => IDR_WR,
|
||||
ODR_WR => ODR_WR,
|
||||
CHK_PAR => CHK_PAR,
|
||||
AIP => AIP,
|
||||
ARB => ARB,
|
||||
LA => LA,
|
||||
CSD => CSD,
|
||||
CSB => CSB,
|
||||
BSR => BSR,
|
||||
ODR_OUT => ODR,
|
||||
ICR_OUT => ICR,
|
||||
TCR_OUT => TCR,
|
||||
SER_OUT => SER,
|
||||
SDS => SDS,
|
||||
SDT => SDT,
|
||||
SDI => SDI,
|
||||
RPI => RPI
|
||||
);
|
||||
|
||||
I_CONTROL: WF5380_CONTROL
|
||||
port map(
|
||||
CLK => CLK,
|
||||
RESETn => RESETn,
|
||||
BSY_INn => BSY_INn,
|
||||
BSY_OUTn => BSY_OUT_CTRLn,
|
||||
DATA_EN => DATA_EN_CTRL,
|
||||
SEL_INn => SEL_INn,
|
||||
ARB_EN => ARB_EN,
|
||||
BSY_DISn => BSY_DISn,
|
||||
RSTn => RST_INn,
|
||||
ARB => ARB,
|
||||
AIP => AIP,
|
||||
LA => LA,
|
||||
ACK_INn => ACK_INn,
|
||||
ACK_OUTn => ACK_OUT_CTRLn,
|
||||
REQ_INn => REQ_INn,
|
||||
REQ_OUTn => REQ_OUT_CTRLn,
|
||||
DACKn => DACKn,
|
||||
READY => READY,
|
||||
DRQ => DRQ_I,
|
||||
TARG => TARG,
|
||||
BLK => BLK,
|
||||
PINT_EN => PINT_EN,
|
||||
SPER => SPER,
|
||||
SER_ID => SER_ID,
|
||||
RPI => RPI,
|
||||
DMA_EN => DMA_EN,
|
||||
SDS => SDS,
|
||||
SDT => SDT,
|
||||
SDI => SDI,
|
||||
EOP_EN => EOP_EN,
|
||||
EOPn => EOPn,
|
||||
PHSM => PHSM,
|
||||
INT => INT_I,
|
||||
IDR_WR => IDR_WR,
|
||||
ODR_WR => ODR_WR,
|
||||
CHK_PAR => CHK_PAR,
|
||||
BSY_ERR => BSY_ERR,
|
||||
DMA_SND => DMA_SND,
|
||||
DMA_ACTIVE => DMA_ACTIVE
|
||||
);
|
||||
end STRUCTURE;
|
||||
|
||||
architecture LIGHT of WF5380_TOP_SOC is
|
||||
begin
|
||||
end LIGHT;
|
||||
EDMA <= '1' when EOPn = '0' and DACKn = '0' and RDn = '0' else
|
||||
'1' when EOPn = '0' and DACKn = '0' and WRn = '0' else '0';
|
||||
|
||||
PHSM <= '1' when DMA_ACTIVE = '0' else -- Always true, if there is no DMA.
|
||||
'1' when DMA_ACTIVE = '1' and REQ_INn = '0' and CDn_In = TCR(1) and IOn_IN = TCR(0) and MSG_INn = TCR(2) else '0'; -- Phasematch.
|
||||
|
||||
DMA_DIS <= '1' when DMA_ACTIVE = '1' and BSY_INn = '1' else '0';
|
||||
|
||||
SER_ID <= '1' when SER /= x"00" and SER = not CSD else '0';
|
||||
|
||||
DRQ <= DRQ_I;
|
||||
INT <= INT_I;
|
||||
|
||||
-- Pay attention: the SCSI bus is driven with inverted signals.
|
||||
ACK_OUTn <= ACK_OUT_CTRLn when DMA_ACTIVE = '1' else not ICR(4); -- Valid in initiator mode.
|
||||
REQ_OUTn <= REQ_OUT_CTRLn when DMA_ACTIVE = '1' else not TCR(3); -- Valid in Target mode.
|
||||
BSY_OUTn <= '0' when BSY_OUT_CTRLn = '0' and TARG = '0' else -- Valid in initiator mode.
|
||||
'0' when ICR(3) = '1' else '1';
|
||||
ATN_OUTn <= not ICR(1); -- Valid in initiator mode.
|
||||
SEL_OUTn <= not ICR(2); -- Valid in initiator mode.
|
||||
IOn_OUT <= not TCR(0); -- Valid in Target mode.
|
||||
CDn_OUT <= not TCR(1); -- Valid in Target mode.
|
||||
MSG_OUTn <= not TCR(2); -- Valid in Target mode.
|
||||
RST_OUTn <= not RST;
|
||||
|
||||
DB_OUTn <= not ODR;
|
||||
DBP_OUTn <= not SPER;
|
||||
|
||||
CSD <= not DB_INn;
|
||||
CSB <= not RST_INn & not BSY_INn & not REQ_INn & not MSG_INn & not CDn_IN & not IOn_IN & not SEL_INn & not DBP_INn;
|
||||
BSR <= EDMA & DRQ_I & SPER & INT_I & PHSM & BSY_ERR & not ATN_INn & not ACK_INn;
|
||||
|
||||
-- Hi impedance control:
|
||||
ATN_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
SEL_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
BSY_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
ACK_EN <= '1' when TARG = '0' else '0'; -- Initiator mode.
|
||||
IO_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
CD_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
MSG_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
REQ_EN <= '1' when TARG = '1' else '0'; -- Target mode.
|
||||
RST_EN <= '1' when RST = '1' else '0'; -- Open drain control.
|
||||
|
||||
-- Data enables:
|
||||
DB_EN_I <= '1' when DATA_EN_CTRL = '1' else -- During Arstd_logicration.
|
||||
'1' when ICR(0) = '1' and TARG = '1' and DMA_SND = '1' else -- Target 'Send' mode.
|
||||
'1' when ICR(0) = '1' and TARG = '0' and IOn_IN = '0' and PHSM = '1' else
|
||||
'1' when ICR(6) = '1' else '0'; -- Test mode enable.
|
||||
|
||||
DB_EN <= DB_EN_I;
|
||||
DBP_EN <= DB_EN_I;
|
||||
|
||||
I_REGISTERS: WF5380_REGISTERS
|
||||
port map(
|
||||
CLK => CLK,
|
||||
RESETn => RESETn,
|
||||
ADR => ADR,
|
||||
DATA_IN => DATA_IN,
|
||||
DATA_OUT => DATA_OUT,
|
||||
DATA_EN => DATA_EN,
|
||||
CSn => CSn,
|
||||
RDn => RDn,
|
||||
WRn => WRn,
|
||||
RSTn => RST_INn,
|
||||
RST => RST,
|
||||
ARB_EN => ARB_EN,
|
||||
DMA_ACTIVE => DMA_ACTIVE,
|
||||
DMA_EN => DMA_EN,
|
||||
BSY_DISn => BSY_DISn,
|
||||
EOP_EN => EOP_EN,
|
||||
PINT_EN => PINT_EN,
|
||||
SPER => SPER,
|
||||
TARG => TARG,
|
||||
BLK => BLK,
|
||||
DMA_DIS => DMA_DIS,
|
||||
IDR_WR => IDR_WR,
|
||||
ODR_WR => ODR_WR,
|
||||
CHK_PAR => CHK_PAR,
|
||||
AIP => AIP,
|
||||
ARB => ARB,
|
||||
LA => LA,
|
||||
CSD => CSD,
|
||||
CSB => CSB,
|
||||
BSR => BSR,
|
||||
ODR_OUT => ODR,
|
||||
ICR_OUT => ICR,
|
||||
TCR_OUT => TCR,
|
||||
SER_OUT => SER,
|
||||
SDS => SDS,
|
||||
SDT => SDT,
|
||||
SDI => SDI,
|
||||
RPI => RPI
|
||||
);
|
||||
|
||||
I_CONTROL: WF5380_CONTROL
|
||||
port map(
|
||||
CLK => CLK,
|
||||
RESETn => RESETn,
|
||||
BSY_INn => BSY_INn,
|
||||
BSY_OUTn => BSY_OUT_CTRLn,
|
||||
DATA_EN => DATA_EN_CTRL,
|
||||
SEL_INn => SEL_INn,
|
||||
ARB_EN => ARB_EN,
|
||||
BSY_DISn => BSY_DISn,
|
||||
RSTn => RST_INn,
|
||||
ARB => ARB,
|
||||
AIP => AIP,
|
||||
LA => LA,
|
||||
ACK_INn => ACK_INn,
|
||||
ACK_OUTn => ACK_OUT_CTRLn,
|
||||
REQ_INn => REQ_INn,
|
||||
REQ_OUTn => REQ_OUT_CTRLn,
|
||||
DACKn => DACKn,
|
||||
READY => READY,
|
||||
DRQ => DRQ_I,
|
||||
TARG => TARG,
|
||||
BLK => BLK,
|
||||
PINT_EN => PINT_EN,
|
||||
SPER => SPER,
|
||||
SER_ID => SER_ID,
|
||||
RPI => RPI,
|
||||
DMA_EN => DMA_EN,
|
||||
SDS => SDS,
|
||||
SDT => SDT,
|
||||
SDI => SDI,
|
||||
EOP_EN => EOP_EN,
|
||||
EOPn => EOPn,
|
||||
PHSM => PHSM,
|
||||
INT => INT_I,
|
||||
IDR_WR => IDR_WR,
|
||||
ODR_WR => ODR_WR,
|
||||
CHK_PAR => CHK_PAR,
|
||||
BSY_ERR => BSY_ERR,
|
||||
DMA_SND => DMA_SND,
|
||||
DMA_ACTIVE => DMA_ACTIVE
|
||||
);
|
||||
end STRUCTURE;
|
||||
|
||||
architecture LIGHT of WF5380_TOP_SOC is
|
||||
begin
|
||||
end LIGHT;
|
||||
|
||||
Reference in New Issue
Block a user