nextpnr/himbaechel
Miodrag Milanović 5a807110de
Adding NanoXplore NG-Ultra support (#1397)
* ng-ultra: new architecture

* Implementation as in D2 deliverable

* Support for nxdesignsuite-24.0.0.0-20240429T102300

* Save memory by directly outputing json

* Add support for bidirectional IOs

* cleanup

* Create BFRs properly

* Add IOM insertion

* Cleanup

* Block certain pips depending of DDFR mode

* Add LUT bypass to improve routability

* Add bypass for CSC mode of GCK

* Fix IOM case

* Initial memory support

* Better RF/XRF handling

* fix

* RF placement and legalization

* Disconnect non available ports for NX_RAM

* cleanup

* Add RFB/RAM context support for latest release

* Remove ports that must not be used

* Proper port used only on RFB

* Add structure for clock sinks

* Use cell type where applicable

* Add clock sinks for other cell types

* Validation check fixes

* Commented too restrictive placement

* Added more crossbar wire type

* Hande IO termination input

* Fail early due to NX tools limitation for now

* Validations and fixes for RAM I/Os

* Fix for latest version of tools

* Use ctx->idf where applicable

* warn if RAM ports are not actually used

* Fix IOM packing

* Fix CY packing

* Change how constants are handled on CY

* Post placement optimization for CY

* Address comments for PR

* pack and export  GCK, WFG and PLL

* Cover more global routing cases

* Constraing to location if provided

* Place at LOC

* Pack and export DSP

* wip

* wip

* notes

* wip

* wip

* Validate DSPs

* DSP cascading

* Check mandatory parameters for DSP

* existing gck

* wip

* export all the rest for bitstream

* CDC packing

* add more sinks

* place FIFO

* map rest of FIFO ports

* enable pll by default

* cleanup

* Initial XLUT support

* Fix statistics

* Properly duplicate GCKs

* RRSTO and WRSTO are not used on XFIFO

* Fix for latest version of JSON format

* Implement GCK limitations

* cleanup

* cleanup

* Add more signals and use lowskew name

* cleanup code a bit

* Fix wfb

* detect cascaded GCKs

* Handle DFR

* Route dfr clock properly

* Cleanup

* Cleanup bitstream code

* Review issues addressed

* Move helper routines

* Expose private members for unit tests

* cleanup

* remove scale factor

* make all location helper arrays static

* Addressed review comments

* Support post-routing CSC and SCC

* Support NX_BFF

* Place CSS and SCC only on allowed locations

* Support latest Impulse

* ng_ultra: Expand bounding box further for left-edge IO

Signed-off-by: gatecat <gatecat@ds0.me>

* Export all IO parameters in bitstream

* Handle new CSV order or parameters and additional validation

* Add some more undocumented values for CSV

* Support for old and new CSV formats

* Initial DDFR support

* Display warning message once per file

* Address review issues

* Fix crash on memory access

* Make boundbox fit NG-Ultra internal design

* Update attributes after dff rewrite

* Implement basic NG-Ultra LUT-DFF unit tests

* Always use first seen xbar input

Signed-off-by: gatecat <gatecat@ds0.me>

* Simplified crossbar pip detection

* Change order to prevent issues with some unconnected constants

* Pack LUT and multiple DFF in stripe

* Place DFF chains

* Improve large DFF chains

* Rename to pack_dff_chains

* Better use XLUTs when possible

* pack output DFF together with XLUT

* option to disable XLUT optimiziations

* Make more optimizations optional

* fix to use pre-increment

* GCK for lowskew signals

* Bugfix for nets that are not part of lowskew network

* Fix bitstream export for PLL cell

* Remove separate route lowskew

* Allow WFG mode 2

* Merge inverter into GCK

* Add CSC per TILE when needed

* Improve reusage of existing cell for CSC

* Take preferred CSC

* Cleanup

* When in place CSC size not important

* Cleanup

* Reset and Load restriction

* make csc optimisation optional

* Proper count for IO resources

* Detect when there is no next cell for DSP chain

* Do not incorporate loops in XLUT

* Check if output exists

* Update copyright for delivery

* Make building NG-Ultra chip database optional, follow filename convention

* Ported drawing code to new API

* Update expandBoundingBox for NG-Ultra

* Copyright and license update

* Add README information

* cleanup and constids

* Using ctx->idf where applicable

* remove if_using_basecluster

* refactor extra data usage

* refactor to use create_cell_ptr only

* optimized getCSC

* optimize critical path a bit

* clangformat

* disable clangformat where applicable

---------

Signed-off-by: gatecat <gatecat@ds0.me>
Co-authored-by: Lofty <dan.ravensloft@gmail.com>
Co-authored-by: gatecat <gatecat@ds0.me>
2024-12-04 09:00:05 +01:00
..
himbaechel_dbgen Himbaechel GUI (#1295) 2024-11-21 15:13:22 +01:00
uarch Adding NanoXplore NG-Ultra support (#1397) 2024-12-04 09:00:05 +01:00
.gitignore himbächel: Initial implementation 2023-05-13 08:26:41 +02:00
arch_pybindings.cc himbaechel: Add discovery of uarch and chipdb 2023-09-15 08:23:43 +02:00
arch_pybindings.h himbächel: Initial implementation 2023-05-13 08:26:41 +02:00
arch.cc Himbaechel GUI (#1295) 2024-11-21 15:13:22 +01:00
arch.h Add expandBoundingBox method to API (#1395) 2024-11-26 10:13:41 +01:00
archdefs.h Himbaechel GUI (#1295) 2024-11-21 15:13:22 +01:00
chipdb.h Himbaechel GUI (#1295) 2024-11-21 15:13:22 +01:00
family.cmake Adding NanoXplore NG-Ultra support (#1397) 2024-12-04 09:00:05 +01:00
himbaechel_api.cc Add expandBoundingBox method to API (#1395) 2024-11-26 10:13:41 +01:00
himbaechel_api.h Add expandBoundingBox method to API (#1395) 2024-11-26 10:13:41 +01:00
himbaechel_constids.h himbächel: Initial implementation 2023-05-13 08:26:41 +02:00
himbaechel_gfxids.h Himbaechel GUI (#1295) 2024-11-21 15:13:22 +01:00
himbaechel_helpers.cc himbaechel: Add support for new constants API 2023-11-07 09:00:03 +01:00
himbaechel_helpers.h clangformat 2024-09-30 14:51:33 +02:00
main.cc clangformat 2024-09-30 14:51:33 +02:00