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VME64x core
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VME64x core
Commits
88f59fc3
Commit
88f59fc3
authored
Sep 18, 2017
by
Tristan Gingold
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Remove reference to A64 in VME_bus.vhd
parent
28197037
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7 additions
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13 deletions
+7
-13
VME_bus.vhd
hdl/vme64x-core/rtl/VME_bus.vhd
+7
-13
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hdl/vme64x-core/rtl/VME_bus.vhd
View file @
88f59fc3
...
...
@@ -163,9 +163,6 @@ architecture RTL of VME_bus is
A32
,
A32_BLT
,
A32_MBLT
,
A64
,
A64_BLT
,
A64_MBLT
,
AM_Error
);
...
...
@@ -221,7 +218,7 @@ architecture RTL of VME_bus is
signal
s_mainFSMstate
:
t_mainFSMstates
;
signal
s_mainDTACK
:
std_logic
;
-- DTACK driving
signal
s_memReq
:
std_logic
;
-- Global memory request
signal
s_dataPhase
:
std_logic
;
-- for
A64 and
MBLT
signal
s_dataPhase
:
std_logic
;
-- for MBLT
signal
s_transferActive
:
std_logic
;
-- active VME transfer
signal
s_retry
:
std_logic
;
-- RETRY signal
...
...
@@ -315,16 +312,13 @@ begin
A32
when
c_AM_A32
|
c_AM_A32_SUP
,
A32_BLT
when
c_AM_A32_BLT
|
c_AM_A32_BLT_SUP
,
A32_MBLT
when
c_AM_A32_MBLT
|
c_AM_A32_MBLT_SUP
,
A64
when
c_AM_A64
,
A64_BLT
when
c_AM_A64_BLT
,
A64_MBLT
when
c_AM_A64_MBLT
,
AM_Error
when
others
;
-- Transfer type decoder
with
s_addressingType
select
s_transferType
<=
SINGLE
when
A24
|
CR_CSR
|
A16
|
A32
|
A64
,
BLT
when
A24_BLT
|
A32_BLT
|
A64_BLT
,
MBLT
when
A24_MBLT
|
A32_MBLT
|
A64_MBLT
,
SINGLE
when
A24
|
CR_CSR
|
A16
|
A32
,
BLT
when
A24_BLT
|
A32_BLT
,
MBLT
when
A24_MBLT
|
A32_MBLT
,
error
when
others
;
-- Used to drive the VME_ADDR_DIR_o
...
...
@@ -398,14 +392,14 @@ begin
end
if
;
when
REFORMAT_ADDRESS
=>
-- Reformat address according to the mode (A16, A24, A32
or A64
)
-- Reformat address according to the mode (A16, A24, A32)
case
s_addressingType
is
when
A16
=>
s_ADDRlatched
(
31
downto
16
)
<=
(
others
=>
'0'
);
-- A16
when
A24
|
A24_BLT
|
A24_MBLT
|
CR_CSR
=>
s_ADDRlatched
(
31
downto
24
)
<=
(
others
=>
'0'
);
-- A24
when
others
=>
-- A32
null
;
when
others
=>
null
;
-- A32
end
case
;
s_mainFSMstate
<=
DECODE_ACCESS_0
;
...
...
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