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Elphel
eddr3
Commits
85a39483
Commit
85a39483
authored
May 14, 2014
by
Andrey Filippov
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mmcm/pll warppers
parent
407c39ca
Changes
4
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4 changed files
with
482 additions
and
87 deletions
+482
-87
phy_top.v
phy/phy_top.v
+4
-4
mmcm_adv.v
phy/wrap/mmcm_adv.v
+157
-83
mmcm_phase_cntr.v
phy/wrap/mmcm_phase_cntr.v
+217
-0
pll_base.v
phy/wrap/pll_base.v
+104
-0
No files found.
phy/phy_top.v
View file @
85a39483
...
...
@@ -140,7 +140,7 @@ module phy_top #(
.
rst
(
rst
)
,
.
dci_disable_dqs
(
dci_disable_dqs
)
,
// disable DCI termination during writes and idle for dqs
.
dci_disable_dq
(
dci_disable_dq
)
,
// disable DCI termination during writes and idle for dq and dm signals
.
din
(
din
[
31
:
0
])
,
// parallel data to be sent out (4 bits per D
G I/
))
.
din
(
din
[
31
:
0
])
,
// parallel data to be sent out (4 bits per D
Q I/O
))
.
din_dm
(
din_dm
[
3
:
0
])
,
// parallel data to be sent out over DM
.
tin_dq
(
tin_dq
[
3
:
0
])
,
// tristate for data out (sent out earlier than data!) and dm
.
din_dqs
(
din_dqs
[
3
:
0
])
,
// parallel data to be sent out over DQS
...
...
@@ -148,7 +148,7 @@ module phy_top #(
.
dout
(
dout
[
31
:
0
])
,
// parallel data received from DDR3 memory, 4 bits per DQ I/O
.
dly_data
(
dly_data
[
7
:
0
])
,
// delay value (3 LSB - fine delay)
.
dly_addr
(
dly_addr
[
4
:
0
])
,
// select which delay to program
.
ld_delay
(
ld_data_l
)
,
// load delay data to selected iodelayl (clk_iv synchronous)
.
ld_delay
(
ld_data_l
)
,
// load delay data to selected iodelayl (clk_
d
iv synchronous)
.
set
(
set
)
// clk_div synchronous set all delays from previously loaded values
)
;
...
...
@@ -172,7 +172,7 @@ module phy_top #(
.
rst
(
rst
)
,
.
dci_disable_dqs
(
dci_disable_dqs
)
,
// disable DCI termination during writes and idle for dqs
.
dci_disable_dq
(
dci_disable_dq
)
,
// disable DCI termination during writes and idle for dq and dm signals
.
din
(
din
[
63
:
32
])
,
// parallel data to be sent out (4 bits per D
G I/
))
.
din
(
din
[
63
:
32
])
,
// parallel data to be sent out (4 bits per D
Q I/O
))
.
din_dm
(
din_dm
[
7
:
4
])
,
// parallel data to be sent out over DM
.
tin_dq
(
tin_dq
[
7
:
4
])
,
// tristate for data out (sent out earlier than data!) and dm
.
din_dqs
(
din_dqs
[
7
:
4
])
,
// parallel data to be sent out over DQS
...
...
@@ -180,7 +180,7 @@ module phy_top #(
.
dout
(
dout
[
63
:
32
])
,
// parallel data received from DDR3 memory, 4 bits per DQ I/O
.
dly_data
(
dly_data
[
7
:
0
])
,
// delay value (3 LSB - fine delay)
.
dly_addr
(
dly_addr
[
4
:
0
])
,
// select which delay to program
.
ld_delay
(
ld_data_h
)
,
// load delay data to selected iodelayl (clk_iv synchronous)
.
ld_delay
(
ld_data_h
)
,
// load delay data to selected iodelayl (clk_
d
iv synchronous)
.
set
(
set
)
// clk_div synchronous set all delays from previously loaded values
)
;
...
...
phy/wrap/mmcm_adv.v
View file @
85a39483
This diff is collapsed.
Click to expand it.
phy/wrap/mmcm_phase_cntr.v
0 → 100644
View file @
85a39483
This diff is collapsed.
Click to expand it.
phy/wrap/pll_base.v
0 → 100644
View file @
85a39483
/*******************************************************************************
* Module: pll_base
* Date:2014-05-01
* Author: Andrey Filippov
* Description: PLLE2_BASE wrapper
*
* Copyright (c) 2014 Elphel, Inc.
* pll_base.v is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* pll_base.v is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/> .
*******************************************************************************/
`timescale
1
ns
/
1
ps
module
pll_base
#(
parameter
CLKIN_PERIOD
=
0.000
,
// input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps
parameter
BANDWIDTH
=
"OPTIMIZED"
,
// "OPTIMIZED", "HIGH","LOW"
parameter
CLKFBOUT_MULT
=
1
,
// integer 1 to 64 . Together with CLKOUT#_DIVIDE and DIVCLK_DIVIDE
parameter
CLKFBOUT_PHASE
=
0.000
,
// CLOCK FEEDBACK phase in degrees (3 significant digits, -360.000...+360.000)
parameter
CLKOUT0_PHASE
=
0.000
,
// CLOCK0 phase in degrees (3 significant digits, -360.000...+360.000)
parameter
CLKOUT1_PHASE
=
0.000
,
// Initial/static fine phase shift, 1/(56*Fvco) actual step
parameter
CLKOUT2_PHASE
=
0.000
,
parameter
CLKOUT3_PHASE
=
0.000
,
parameter
CLKOUT4_PHASE
=
0.000
,
parameter
CLKOUT5_PHASE
=
0.000
,
parameter
CLKOUT0_DUTY_CYCLE
=
0.5
,
// CLOCK 0 output duty factor, 3 significant digits
parameter
CLKOUT1_DUTY_CYCLE
=
0.5
,
parameter
CLKOUT2_DUTY_CYCLE
=
0.5
,
parameter
CLKOUT3_DUTY_CYCLE
=
0.5
,
parameter
CLKOUT4_DUTY_CYCLE
=
0.5
,
parameter
CLKOUT5_DUTY_CYCLE
=
0.5
,
parameter
CLKOUT0_DIVIDE
=
1
,
// CLK0 outout divide, integer 1..128
parameter
CLKOUT1_DIVIDE
=
1
,
// CLK1 outout divide, integer 1..128 (determins a phase step as a fraction of pi/4)
parameter
CLKOUT2_DIVIDE
=
1
,
parameter
CLKOUT3_DIVIDE
=
1
,
parameter
CLKOUT4_DIVIDE
=
1
,
parameter
CLKOUT5_DIVIDE
=
1
,
parameter
DIVCLK_DIVIDE
=
1
,
// Integer 1..106. Divides all outputs with respect to CLKIN
parameter
REF_JITTER1
=
0.010
,
// Expectet jitter on CLKIN1 (0.000..0.999)
parameter
STARTUP_WAIT
=
"FALSE"
// Delays "DONE" signal until MMCM is locked
)
(
input
clkin
,
// General clock input
input
clkfbin
,
// Feedback clock input
input
rst
,
// asynchronous reset input
input
pwrdwn
,
// power down input
output
clkout0
,
// output 0, HPC BUFR/BUFIO capable
output
clkout1
,
// output 1, HPC BUFR/BUFIO capable
output
clkout2
,
// output 2, HPC BUFR/BUFIO capable
output
clkout3
,
// output 3, HPC BUFR/BUFIO capable
output
clkout4
,
// output 4, HPC BUFR/BUFIO not capable
output
clkout5
,
// output 5, HPC BUFR/BUFIO not capable
output
clkfbout
,
// dedicate feedback output
output
locked
// PLL locked output
)
;
PLLE2_BASE
#(
.
BANDWIDTH
(
BANDWIDTH
)
,
.
CLKFBOUT_MULT
(
CLKFBOUT_MULT
)
,
.
CLKFBOUT_PHASE
(
CLKFBOUT_PHASE
)
,
.
CLKIN1_PERIOD
(
CLKIN_PERIOD
)
,
.
CLKOUT0_DIVIDE
(
CLKOUT0_DIVIDE
)
,
.
CLKOUT0_DUTY_CYCLE
(
CLKOUT0_DUTY_CYCLE
)
,
.
CLKOUT0_PHASE
(
CLKOUT0_PHASE
)
,
.
CLKOUT1_DIVIDE
(
CLKOUT1_DIVIDE
)
,
.
CLKOUT1_DUTY_CYCLE
(
CLKOUT1_DUTY_CYCLE
)
,
.
CLKOUT1_PHASE
(
CLKOUT1_PHASE
)
,
.
CLKOUT2_DIVIDE
(
CLKOUT2_DIVIDE
)
,
.
CLKOUT2_DUTY_CYCLE
(
CLKOUT2_DUTY_CYCLE
)
,
.
CLKOUT2_PHASE
(
CLKOUT2_PHASE
)
,
.
CLKOUT3_DIVIDE
(
CLKOUT3_DIVIDE
)
,
.
CLKOUT3_DUTY_CYCLE
(
CLKOUT3_DUTY_CYCLE
)
,
.
CLKOUT3_PHASE
(
CLKOUT3_PHASE
)
,
.
CLKOUT4_DIVIDE
(
CLKOUT4_DIVIDE
)
,
.
CLKOUT4_DUTY_CYCLE
(
CLKOUT4_DUTY_CYCLE
)
,
.
CLKOUT4_PHASE
(
CLKOUT4_PHASE
)
,
.
CLKOUT5_DIVIDE
(
CLKOUT5_DIVIDE
)
,
.
CLKOUT5_DUTY_CYCLE
(
CLKOUT5_DUTY_CYCLE
)
,
.
CLKOUT5_PHASE
(
CLKOUT5_PHASE
)
,
.
DIVCLK_DIVIDE
(
DIVCLK_DIVIDE
)
,
.
REF_JITTER1
(
REF_JITTER1
)
,
.
STARTUP_WAIT
(
STARTUP_WAIT
)
)
PLLE2_BASE_i
(
.
CLKFBOUT
(
clkfbout
)
,
// output
.
CLKOUT0
(
clkout0
)
,
// output
.
CLKOUT1
(
clkout1
)
,
// output
.
CLKOUT2
(
clkout2
)
,
// output
.
CLKOUT3
(
clkout3
)
,
// output
.
CLKOUT4
(
clkout4
)
,
// output
.
CLKOUT5
(
clkout5
)
,
// output
.
LOCKED
(
locked
)
,
// output
.
CLKFBIN
(
clkfbin
)
,
// input
.
CLKIN1
(
clkin
)
,
// input
.
PWRDWN
(
pwrdwn
)
,
// input
.
RST
(
rst
)
// input
)
;
endmodule
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