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4988 Commits

Author SHA1 Message Date
Florent Kermarrec 6048a5291c build/lattice/prjtrellis: modify generated verilog instead of creating a wrapper, handle inouts. 
nextpnr expects TRELLIS_IO on all ios, it's not possible to ensure that with a wrapper.
We now just modify the generated verilog to insert the io constraints and TRELLIS_IOs.
 2018-10-30 08:54:30 +01:00
Florent Kermarrec 2243f628f7 build/lattice/common: fix LatticeECPXPrjTrellisTristateImpl 2018-10-30 08:47:12 +01:00
Tim Ansell 3a8bb94ab4
Merge pull request #121 from cr1901/patch-3 
Update vivado.py
 2018-10-29 20:54:23 -07:00
William D. Jones f3111e1142
Update vivado.py 
Fix regression which caused Vivado to not be run at all.
 2018-10-29 23:43:32 -04:00
Florent Kermarrec 98fa899692 boards/targets: add ulx3s 2018-10-29 19:24:28 +01:00
Florent Kermarrec 7d779473f1 boards/platforms: add ulx3s 2018-10-29 19:23:59 +01:00
Florent Kermarrec d9dcad33a4 build/lattice/prjtrellis: add inout support 2018-10-29 19:23:21 +01:00
Florent Kermarrec 091ad799b0 build/lattice/common: add tristate support 2018-10-29 19:22:04 +01:00
Florent Kermarrec 23acefb14e boards/targets/versaecp55g_prjtrellis: simple.py example working, specific target no longer needed 
simple.py configuration tested:
python3 simple.py --cpu-type=lm32 --gateware-toolchain=prjtrellis litex.boards.platforms.versaecp55g
python3 simple.py --cpu-type=vexriscv --gateware-toolchain=prjtrellis litex.boards.platforms.versaecp55g
 2018-10-29 16:02:25 +01:00
Florent Kermarrec 1097f82283 build/lattice/prjtrellis: set default toolchain_path to "/opt/prjtrellis" 2018-10-29 15:58:54 +01:00
Florent Kermarrec 52917a710e boards/targets/simple: add gateware-toolchain parameter 2018-10-29 15:56:46 +01:00
Florent Kermarrec d84083f642 boards/platforms/versaecp55g: use ftdi serial pins 2018-10-29 15:39:51 +01:00
Florent Kermarrec c05b9ef2ad build/lattice/prjtrellis: test and fix iowrapper multi-bit signals support 2018-10-29 13:26:29 +01:00
Florent Kermarrec a8f819fec2 Merge branch 'master' of http://github.com/enjoy-digital/litex 2018-10-29 11:48:10 +01:00
Florent Kermarrec 4eb314a252 boards/targets/versaecp55g: use new iowrapper support, basic led blink and ios working :) 2018-10-29 11:46:03 +01:00
Florent Kermarrec 27ec2a59e2 build/lattice/prjtrellis: generate iowrapper to set constraints and TRELLIS_IO 
PrjTrellis does not yet have constraint files support, constraints are set
with signal attributes and specific TRELLIS_IO instances are requested. This
iowrapper does this work for us automatically.

Remove this code and replace with a constraint file generation code when
PrjTrellis will have constraint file support.
 2018-10-29 11:44:31 +01:00
Florent Kermarrec c506c9752c gen/fhdl/verilog: set direction to io signals 2018-10-29 11:41:04 +01:00
Tim Ansell 9815920946
Merge pull request #120 from mithro/master 
litex/build: Always run Vivado.
 2018-10-29 02:08:20 -07:00
Tim 'mithro' Ansell 1cac079efa litex/build: Always run Vivado. 
When using Yosys for synthesis, still need Vivado for place and route.
 2018-10-29 02:04:44 -07:00
Florent Kermarrec 49dab3b448 build/lattice/prjtrellis: simplify code, remove some workarounds 2018-10-29 09:40:35 +01:00
Florent Kermarrec a73d9d96b1 build/xilinx/vivado: fix merge issue 2018-10-29 08:26:13 +01:00
Florent Kermarrec 3e189379f9 boards/targets: add versa ecp55g prjtrellis target (experimental) 2018-10-28 19:34:17 +01:00
Florent Kermarrec a69197d2db build/lattice: add initial prjtrellis support 2018-10-28 17:51:16 +01:00
Florent Kermarrec 397e3c7682 build/lattice/diamond: use bash on linux 2018-10-28 15:40:52 +01:00
Florent Kermarrec d029cd243d build/lattice: improve special_overrides names (vendor_family) 2018-10-28 15:40:10 +01:00
enjoy-digital 60665358d4
Merge pull request #114 from mithro/xilinx+yosys 
WIP: Allow Yosys to be used for synthesis with Vivado
 2018-10-28 15:00:06 +01:00
enjoy-digital b200ce9983
Merge branch 'master' into xilinx+yosys 2018-10-28 14:59:03 +01:00
enjoy-digital 8c0982a1d5
Merge pull request #118 from mithro/uart-sync 
uart: Enable buffering the FIFO.
 2018-10-28 08:02:22 +01:00
Tim 'mithro' Ansell ba0dd5728e uart: Enable buffering the FIFO. 
On the iCE40 FPGA, adding buffering allows the SyncFIFO to be placed in
block RAM rather than consuming a large amount of resources.
 2018-10-27 16:04:58 -07:00
Florent Kermarrec f916705313 README: improve instructions for litex_sim 2018-10-27 11:06:53 +02:00
Florent Kermarrec e3935b481e build/sim/verilator: don't use THEADS parameters when threads=1 
Allow using old (non multi-threaded) version of Verilator
 2018-10-27 11:06:34 +02:00
Florent Kermarrec a44181e716 soc_sdram: update litedram 2018-10-19 18:37:55 +02:00
Florent Kermarrec ab6a530a24 bios/sdram: s7ddrphy now has bitslip in fabric, show scan for each module/bitslip and remove silent mode 2018-10-18 13:42:51 +02:00
Florent Kermarrec b8be9545cc build/xilinx/vivado: enable xpm libraries 2018-10-18 09:25:34 +02:00
Florent Kermarrec ab8cf3e345 soc/cores/clock: add margin parameter to create_clkout (default = 1%) 2018-10-16 14:57:37 +02:00
Florent Kermarrec 915c2f417a bios/sdram: improve write/read leveling 
write_leveling: select last 0 to 1 transition.
read_leveling: do it by module (select best bitslip for each module)
 2018-10-10 10:42:56 +02:00
Florent Kermarrec deffa60324 platforms/kc705: add ddram_dual_rank 2018-10-09 15:39:03 +02:00
Florent Kermarrec 10624c26da bios/main: handle all types of carriage return (\r, \n, \r\n or \n\r) 2018-10-09 10:06:51 +02:00
enjoy-digital 9f083e9bd3
Merge pull request #116 from stffrdhrn/sim-uart 
sim: serial: Send '\r\n' instead of just '\n'
 2018-10-09 07:32:31 +02:00
Stafford Horne 8877dba7e9 sim: serial: Send '\r\n' instead of just '\n' 
This fixes an issue when running with the HDMI2USB firmware which
expects \r\n to come from the UART.  Since the verilator adapter
is just sending \n commands cannot be executed.

Also, one minor whitespace cleanup. (could remove if needed)
 2018-10-09 11:18:11 +09:00
Florent Kermarrec d187921500 cpu_interface: fix select_triple when only one specified 2018-10-08 17:01:04 +02:00
Florent Kermarrec 3b27d2ae89 soc/integration/cpu_interface: generate error if unable to find any of the cross compilation toolchains 2018-10-06 21:32:38 +02:00
Florent Kermarrec 168b07b9a2 soc_core: add csr range check 2018-10-06 20:55:16 +02:00
Tim 'mithro' Ansell ace976242e build.xilinx: Convert attributes to something Yosys understands. 
Convert keep, dont_touch and async_reg to something Yosys understands.

Write out an EDIF file with the attributes so that Vivado can use them.
(Requires Yosys with commit
115ca57647)
 2018-10-05 12:48:30 -07:00
enjoy-digital 6febb6826c
Merge pull request #112 from cr1901/8k-b-evn 
build/platforms: Add ice40_hx8k_b_evn from Migen.
 2018-10-04 21:12:33 +02:00
enjoy-digital 9cf4ffb3f4
Merge pull request #113 from stffrdhrn/litex-trivial 
Litex trivial
 2018-10-04 16:25:11 +02:00
Stafford Horne ff6de429f0 Fix help for or1k builds 
The help said cpu-type could be mor1kx, which is correct but you must
pass or1k to get mor1kx.  Fix the message to properly represent what
needs to be passed to the commandline.
 2018-10-04 23:09:49 +09:00
Stafford Horne dafdb8df72 Fix compiler warnings from GCC 8.1 
Fix these 2 warnings:

 litex/build/sim/core/libdylib.c:42:5: warning: 'strncpy' specified bound 2048 equals destination size
 [-Wstringop-truncation]
     strncpy(last_err, s, ERR_MAX_SIZE);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 In function 'set_last_error',

 litex/soc/software/libbase/exception.c:28:13: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  static char emerg_getc()
 2018-10-04 23:07:48 +09:00
Florent Kermarrec 2be5205463 build/xilinx/common: update XilinxDDRInputImplS7 and XilinxDDRInputImplKU (from migen) 2018-10-04 08:17:44 +02:00
Tim 'mithro' Ansell 78414c0588 xilinx/viviado: Allow yosys for synthesis. 2018-10-03 21:58:03 -07:00