Dominick.Vansevenant/Zorro-LAN-IDE
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Autocnfig working

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This commit is contained in:
MHeinrichs
2016-12-15 22:05:42 +01:00
parent 508d7a7e5c
commit e30f1e9583
56 changed files with 19712 additions and 9743 deletions
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Logic/LAN_IDE/LAN_IDE_CP.vhd
+47 -23
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@@ -53,34 +53,35 @@ entity LAN_IDE_CP is
Z3 : in STD_LOGIC;
DS1 : in STD_LOGIC;
FCS : in STD_LOGIC;
LAN_EN : out STD_LOGIC;
RESET : in STD_LOGIC;
INT_OUT : out STD_LOGIC;
AUTOBOOT_OFF : in STD_LOGIC;
CP_RD : out STD_LOGIC;
CP_WE : out STD_LOGIC;
ROM_B : out STD_LOGIC_VECTOR (1 downto 0);
ROM_OE : out STD_LOGIC;
CP_CS : out STD_LOGIC;
IDE_WAIT : in STD_LOGIC;
INT_OUT : out STD_LOGIC;
CP_IRQ : in STD_LOGIC;
CLK_EXT : in STD_LOGIC;
IDE_W : out STD_LOGIC;
IDE_R : out STD_LOGIC;
IDE_A : out STD_LOGIC_VECTOR (2 downto 0);
IDE_CS : out STD_LOGIC_VECTOR (1 downto 0);
LAN_CFG : out STD_LOGIC_VECTOR (4 downto 1);
RESET : in STD_LOGIC;
LAN_RD : out STD_LOGIC;
LAN_CS : out STD_LOGIC;
LAN_WRH : out STD_LOGIC;
LAN_INT : in STD_LOGIC);
LAN_WRL : out STD_LOGIC;
LAN_INT : in STD_LOGIC;
CP_RD : out STD_LOGIC;
CP_WE : out STD_LOGIC;
CP_CS : out STD_LOGIC;
CP_IRQ : in STD_LOGIC);
end LAN_IDE_CP;
architecture Behavioral of LAN_IDE_CP is
SIGNAL ide: STD_LOGIC:= '0';
SIGNAL autoconfig: STD_LOGIC:= '0';
SIGNAL AUTOCONFIG_IN_PROGRESS: STD_LOGIC:= '0';
SIGNAL lan: STD_LOGIC:= '0';
SIGNAL cp: STD_LOGIC:= '0';
signal Dout1:STD_LOGIC_VECTOR(3 downto 0);
signal AUTO_CONFIG_DONE:STD_LOGIC_VECTOR(2 downto 0);
signal AUTO_CONFIG_DONE_CYCLE:STD_LOGIC_VECTOR(2 downto 0);
@@ -109,28 +110,37 @@ begin
ADDRESS_DECODE: process(AMIGA_CLK)
begin
if(rising_edge(AMIGA_CLK))then
if(AS='0')then
AUTOCONFIG_IN_PROGRESS<= autoconfig;
else
AUTOCONFIG_IN_PROGRESS<= '0';
end if;
if(rising_edge(AMIGA_CLK))then
if(BERR='1') then
if(A(23 downto 16) = x"E8" and not(AUTO_CONFIG_DONE ="111"))then
if(A(23 downto 16) = x"E8" and not(AUTO_CONFIG_DONE ="111") and CFIN='0')then
autoconfig <='1';
else
autoconfig <='0';
end if;
if(A(23 downto 16) = LAN_BASEADR and SHUT_UP(0) = '0')then
lan <='1';
else
lan <='0';
end if;
if(A(23 downto 16) = IDE_BASEADR and SHUT_UP(1) = '0')then
ide <='1';
else
ide <='0';
end if;
if(A(23 downto 16) = CP_BASEADR and SHUT_UP(2) = '0')then
cp <='1';
else
cp <='0';
end if;
else
autoconfig <='0';
ide <='0';
lan <='0';
cp <='0';
end if;
end if;
end process ADDRESS_DECODE;
@@ -280,7 +290,6 @@ begin
when "100001" => Dout1 <= "0000" ; --Interrupt config: all zero
when others => Dout1 <= "1111" ;
end case;
elsif(AUTO_CONFIG_DONE(1)='0')then
end if;
else --write
if( UDS='0' )then
@@ -317,15 +326,24 @@ begin
end if;
end process autoconfig_proc; --- that's all
LAN_WRL <= not LDS when RW='0' and AS='0' and lan='1' else '0';
LAN_WRH <= not UDS when RW='0' and AS='0' and lan='1' else '0';
LAN_CS <= '1';-- when AS='0' and lan='1' else '0';
LAN_RD <= '1' when AS='0' and lan='1' and RW='1' else '0';
CP_WE <= '0' when RW='0' and AS='0' and cp='1' and (UDS='0' or LDS='0') else '1';
CP_RD <= '0' when AS='0' and cp='1' and RW='1' else '1';
CP_CS <= AS when cp='1' else '1';
A_LAN <= A(14 downto 1);
--signal assignment
D <= --RAM_D when RW='1' and TRANSFER_IN_PROGRES ='1' else
Dout1 & "111111111111" when RW='1' and AUTOCONFIG_IN_PROGRESS ='1' else
DQ when RW='1' and (lan ='1' or cp = '1') and AS='0' else
Dout1 & x"FFF" when RW='1' and autoconfig ='1' and AS='0' else
"ZZZZZZZZZZZZZZZZ";
--
-- DRAM <= D when RW='0' and AS ='0' else
-- "ZZZZZZZZZZZZZZZZ";
DQ <= D when RW='0' and (UDS ='0' or LDS='0')
and (lan ='1' or cp = '1')
else "ZZZZZZZZZZZZZZZZ";
IDE_W <= IDE_W_S;
IDE_R <= IDE_R_S;
@@ -337,6 +355,12 @@ begin
ROM_B <= "00";
ROM_OE <= ROM_OE_S;
INT_OUT <= 'Z';
--INT_OUT <= '0' when LAN_INT ='1' else 'Z';
OWN <= '0' when AS='0' and (autoconfig = '1' or ide = '1' or lan = '1' or cp = '1') else 'Z';
SLAVE <= '0' when AS='0' and (autoconfig = '1' or ide = '1' or lan = '1' or cp = '1') else '1';
CFOUT <= '0' when AUTO_CONFIG_DONE="111" else '1';
-- DTACK <= DTACK_S when --TRANSFER_IN_PROGRES ='1' or
-- AUTOCONFIG_IN_PROGRES ='1'