Florent Kermarrec
a1e8bcb53c
phy/s7/usddrphy: reset bitslip modules with rst CSR.
2020-10-12 10:41:33 +02:00
Florent Kermarrec
5d528cbad0
phy/usddrphy: add write leveling bitslip support on dq/dm/dqs (similar to s7ddrphy).
2020-10-08 19:50:18 +02:00
Florent Kermarrec
1d450bac57
common/BitSlip: reset value to value.reset.
2020-10-08 19:40:40 +02:00
Florent Kermarrec
9787b868e8
phy/s7ddrphy: add dynamic control of dq/dm/dqs bitslips.
2020-10-08 18:52:45 +02:00
Florent Kermarrec
83d70a3eb9
phy/s7ddrphy: also add bitslip on dqs.
2020-10-08 18:17:47 +02:00
Florent Kermarrec
0ac23fde52
phy/s7ddrphy: increase write_latency by 1 (now possible with previous BitSlip chantges).
2020-10-08 18:08:36 +02:00
Florent Kermarrec
3fddff3a11
common/BitSlip: shift output by one bit (allow 1 cycle latency on writes), set reset value to cycles*dw-1.
2020-10-08 17:37:24 +02:00
Florent Kermarrec
732df04413
common/Bitslip: add assert on cycles.
2020-10-08 17:16:21 +02:00
Florent Kermarrec
6e8d37c873
phy/s7ddrphy: replace dm/dq delays with BitSlip.
2020-10-08 17:15:22 +02:00
Florent Kermarrec
c16628531a
common/BitSlip: allow passing i/o signals as parameters.
2020-10-08 16:56:22 +02:00
Florent Kermarrec
fcd1b2ca2b
phy/s7ddrphy: reduce write_latency on controller by 1 sys_clk (to allow BitSlip).
2020-10-08 16:23:06 +02:00
Florent Kermarrec
b24943e691
bench/genesys2: add litescope on ddrphy.dfi.
2020-10-08 16:21:02 +02:00
Florent Kermarrec
e5f4f828ad
phy/s7ddrphy: fix dynamic rd/wrphase and dq/dqs_oe_delay for nphases=2.
2020-10-07 18:54:43 +02:00
Florent Kermarrec
b16e9bfd5c
phy/s7/usddrphy: cleanup/uniformize DQ path.
2020-10-02 12:43:02 +02:00
Florent Kermarrec
39178ce460
test: add minimal OSERDESE2/OSERDESE3 simulations to check Data/Tristate latencies.
2020-10-02 12:30:19 +02:00
Florent Kermarrec
329c9904f7
common/DQSPattern: add transmission order, minor simplification on USDDRPHY.
2020-10-02 12:26:57 +02:00
Florent Kermarrec
16480d9aed
phy/s7ddrphy: adjust dqs/dq tristate latency.
...
OSERDESE2 has a latency of 2 sys_clk.
2020-10-02 12:15:32 +02:00
Florent Kermarrec
6a23bd623b
phy/ecp5/s7/usddrphy: simplify dq/dqs tristate using TappedDelayLine.
2020-10-02 09:37:32 +02:00
Florent Kermarrec
e3461704b5
phy/ecp5/s7/usddrphy: simplify control path using TappedDelayLine.
2020-10-01 18:30:17 +02:00
Florent Kermarrec
d12caf1e0c
common: add TappedDelayLine to simplify delays on control signals.
2020-10-01 18:29:35 +02:00
Florent Kermarrec
a5a4a422dd
phy/core: move rd/wrcmdphase and computation to Multiplexer.
...
rd/wrcmdphases are always computated as (rd/wrphase-1)%nphases so it's not useful
to expose them as PhySettings. rd/wrcmdphases are now directly computated in
Multiplexer and static/dynamic rd/wrphases are supported.
2020-10-01 11:26:04 +02:00
Florent Kermarrec
f8ee596464
test/reference: update.
2020-09-30 19:49:38 +02:00
Florent Kermarrec
c8f1e80215
phy/s7ddrphy: handle cmd_latency properly (add it to rd/wrphase).
2020-09-30 19:45:23 +02:00
Florent Kermarrec
b1c26d996f
phy/s7ddrphy: handle cmd_latency properly (add it to rd/wrphase).
2020-09-30 19:40:55 +02:00
Florent Kermarrec
05ed5bf59d
phy/ecp5ddrphy: simplify using new get_sys_phase.
2020-09-30 19:39:10 +02:00
Florent Kermarrec
207b8f48bb
common: simplify/rename get_sys_phase (cmd_phase is always -1 can be calculated on phys).
2020-09-30 19:38:43 +02:00
Florent Kermarrec
a611778e3d
litedram/init/get_sdram_phy_c_header: add CL/CWL defines.
2020-09-30 19:19:31 +02:00
Florent Kermarrec
6d063b196c
test/reference: update.
2020-09-30 18:06:48 +02:00
Florent Kermarrec
18e8f5c565
phy/usddrphy: add dynamic read/write phase support.
2020-09-30 17:13:55 +02:00
Florent Kermarrec
afe29d4231
phy/s7ddrphy: add dynamic read/write phase support.
2020-09-30 17:13:41 +02:00
Florent Kermarrec
a67aed2a02
init/get_sdram_phy_c_header: add support for dynamic write/read phases.
2020-09-30 17:07:34 +02:00
Florent Kermarrec
c4d7083677
test/reference: update.
2020-09-30 13:29:39 +02:00
Florent Kermarrec
d06e2dda23
phy/usddrphy: simplify dq_bitslip.o mapping.
2020-09-30 11:41:43 +02:00
Florent Kermarrec
6b0591920b
phy/usddrphy: simplify commands.
2020-09-30 11:39:07 +02:00
Florent Kermarrec
1d756cb209
phy/usddrphy: simplify OSERDESE3/ISERDESE3 data mapping.
2020-09-30 10:44:41 +02:00
Florent Kermarrec
5d41cce080
phy/gensdrphy: simplify commands and add dm support.
2020-09-30 10:39:36 +02:00
Florent Kermarrec
b772bb54a7
phy/ecp5ddrphy: simplify commands and ODDR/IDDR data mapping.
2020-09-30 09:52:39 +02:00
Florent Kermarrec
db8eaff086
phy/ecp5ddrphy: fix regression after DQS/DM changes.
2020-09-30 09:11:39 +02:00
Florent Kermarrec
c17bf3f5a1
phy/s7ddrphy: simplify commands (avoid duplication between address/banks/controls).
2020-09-30 08:04:45 +02:00
Florent Kermarrec
7f347af1ed
phy/s7ddrphy: simplify ISERDESE2/OSERDESE2 data mapping using for loops.
2020-09-30 07:33:52 +02:00
Florent Kermarrec
68e9a02a55
litedram/common: add cl/cwl values for DDR4 data rates from 1333MT/s to 2666MT/s.
2020-09-29 19:46:39 +02:00
Florent Kermarrec
c2d1cf358b
phy/ecp5/s7/usddrphy: separate DQS/DM to improve readability.
2020-09-29 19:23:34 +02:00
Florent Kermarrec
5aaffb7c16
phy/s7ddrphy: remove dqs_i/dqs_i_delayed (no longer used).
2020-09-29 19:00:25 +02:00
Florent Kermarrec
e69dbd2d91
bench: add DDR3 Mode Register settings generator.
...
Useful to change timing/electrical settings dynamically and bringup/debug DDR3 on new hardware.
2020-09-24 17:51:22 +02:00
Florent Kermarrec
7ccb7d8f16
test/reference: update.
2020-09-24 15:03:35 +02:00
Florent Kermarrec
5257197475
bench: add DDR4 Mode Register settings generator.
...
Useful to change timing/electrical settings dynamically and bringup/debug DDR4 on new hardware.
2020-09-24 14:57:14 +02:00
Florent Kermarrec
db54e325c8
phy/usddrphy: reduce BitSlip cycles to 1 sys_clk.
...
Increasing it to 2 hasn't been useful.
2020-09-24 13:36:02 +02:00
Florent Kermarrec
06544c6547
bench: uniformize targets with 125MHz clock and Etherbone.
2020-09-24 13:03:07 +02:00
Florent Kermarrec
0279b770ee
phy/s7ddrphy: avoid cdly CSRs when no odelay capability.
2020-09-22 10:58:14 +02:00
Florent Kermarrec
6fc6174c38
bench/genesys2: expose uart parameter.
2020-09-17 08:22:17 +02:00
