Commit Graph

3720 Commits

Author SHA1 Message Date
Florent Kermarrec b75b93df43 misoclib/com/uart: replace revered Migen FIFO function with specific _get_uart_fifo function for our use case. 2015-07-24 14:05:54 +02:00
Florent Kermarrec 0a115f609e litepcie/frontend/dma: group loop index and count in loop_status register (avoid 2 register reads) 2015-07-24 13:52:57 +02:00
Sebastien Bourdeauducq 5a535ef347 Revert "migen/actorlib/fifo: add FIFO wrapper function"
This reverts commit d0a19c4be8.
2015-07-24 19:25:36 +08:00
Florent Kermarrec d0a19c4be8 migen/actorlib/fifo: add FIFO wrapper function
Allow automatic instantiation of the correct fifo (SyncFIFO or AsyncFIFO) according to the clock domains passed in argument.
2015-07-24 13:02:54 +02:00
Florent Kermarrec d73d75007e misoclib/com/uart: cleanup and add irq condition parameters
- reintroduce RX/TX split (ease comprehension)
- use FIFO wrapper function from Migen.
- add tx_irq_condition and rx_irq_condition
2015-07-24 12:57:42 +02:00
Florent Kermarrec 1f1ff5a5e9 migen/fhdl/tools: fix rename_clock_domain when new == old
Clock domain renaming should support new == old to allow programmatically determined clock domain renaming.
2015-07-24 12:48:51 +02:00
Florent Kermarrec b1ea3340f3 litepcie/frontend/dma: add loop counter (useful to detect missed interrupts) 2015-07-22 22:55:11 +02:00
Florent Kermarrec 493f424ebd Merge branch 'master' of https://github.com/m-labs/migen 2015-07-22 21:46:23 +02:00
Florent Kermarrec dfc207aacb litepcie: use data instead of dat in dma_layout (allow use of migen.actorlib.packet modules on dma dataflow) 2015-07-22 21:44:53 +02:00
Florent Kermarrec 5713ae381a actorlib/packet/Depacketizer: manage layouts without error signal 2015-07-22 21:43:21 +02:00
Florent Kermarrec 40740d3ddc litepcie: use optional platform.misoc_path to add litepcie phy wrapper verilog files
We should eventually try to use python package_data or data_file for that.
2015-07-22 18:09:04 +02:00
Sebastien Bourdeauducq 84514cf8d5 uart: remove option to refill HW from uart_write 2015-07-19 23:41:38 +02:00
Robert Jordens a501d7c52d uart: support async phys 2015-07-19 23:37:00 +02:00
Robert Jordens 097248bce9 uart.c: rx overflow fix and tx simplification
* fixes the clearing of the rx ringbuffer on rx-overflow
* removes tx_level and tx_cts by restricting the ringbuffer
  to at least one slot empty
* agnostic of the details of the tx irq: works for uarts that
  generate tx interrupts on !tx-full or on tx-empty.
* only rx_produce and tx_consume need to be volatile
2015-07-19 23:37:00 +02:00
numato 09b33346be Removed drive strength constraints on VGA/Audio signals 2015-07-14 23:00:26 +02:00
Robert Jordens 6468fa3db4 xilinx: ensure we chdir() back after build 2015-07-14 12:53:43 -06:00
Sebastien Bourdeauducq 52bdc29528 mimasv2: style, consistency with other boards 2015-07-14 19:56:00 +02:00
numato e56d80c7a0 Adding support for Numato Lab Mimas V2 platform 2015-07-14 19:42:51 +02:00
Sebastien Bourdeauducq ea8ffd8e80 platforms/kc705: style 2015-07-14 19:42:44 +02:00
Florent Kermarrec 35250f5b11 bios: add romboot
When firmware is small enough, it can be interesting to run code from an embedded blockram memory (faster and not impacted by memory controller activity).
It can also be a fallback option in case boot from flash failed.
To use this, define ROM_BOOT_ADDRESS and initialize the blockram with the firmware data.
2015-07-14 18:01:44 +02:00
Florent Kermarrec 6c13879fb6 make.py: use sys.path.insert(0...) to allow external designs to have specific targets derived from a base target 2015-07-13 17:25:50 +02:00
Florent Kermarrec 4dca66b23d misoclib/video/dvisampler: add fifo_depth parameter 2015-07-13 11:03:33 +02:00
Florent Kermarrec e6da1d16b2 wishbone2lasmi: fix "READ_DATA" state 2015-07-09 10:40:32 +02:00
Robert Jordens 8d6aa82082 mibuild/openocd.py: add support
Tested with pipistrello and kc705. Needs patches from
https://github.com/jordens/openocd/tree/bscan_spi waiting
to be merged in the openocd queue.
2015-07-07 21:01:31 -06:00
Florent Kermarrec d244eba583 tools/flterm.py: fix kernel-adr support 2015-07-07 14:58:49 +02:00
Florent Kermarrec 0545d49294 liteeth/core: add with_icmp parameter 2015-07-06 21:31:20 +02:00
Florent Kermarrec e011f9378f use sets for leave_out 2015-07-05 22:49:23 +02:00
Florent Kermarrec c100ef6406 liteeth/core/mac: adapt depth on AsyncFIFOs according to phy (reduce ressource usage with MII phy) 2015-07-05 22:45:53 +02:00
Florent Kermarrec c1ca928ec2 liteeth: small logic optimizations on mac (eases timings on spartan6) 2015-07-05 12:31:52 +02:00
Sebastien Bourdeauducq 73ea404380 Merge branch 'master' of https://github.com/m-labs/migen 2015-07-05 10:53:32 +02:00
Tim 'mithro' Ansell 1d1f8510d3 Allow using non-milkymist cables with UrJTAG. 2015-07-05 10:53:09 +02:00
Florent Kermarrec 23541b5949 software/bios: call eth_mode only if we have an ethernet mac (we don't need to call it when we have a hardware UDP/IP stack) 2015-07-04 21:04:23 +02:00
Yann Sionneau 10eb07526d bios: show memtest command in help 2015-07-02 17:20:06 +02:00
Tim 'mithro' Ansell 0df9c16e69 mibuild: Adding error checking around xsvf generation 2015-07-02 16:51:03 +02:00
Tim 'mithro' Ansell 8daf5e32c1 Adding support for programming with FPGALink
Steps for getting it set up.

 * Get libfpgalink dependencies
   sudo apt-get install \
      build-essential libreadline-dev libusb-1.0-0-dev python-yaml

 * Build libfpgalink
   wget -qO- http://tiny.cc/msbil | tar zxf -
   cd makestuff; ./scripts/msget.sh makestuff/common
   cd libs; ../scripts/msget.sh libfpgalink
   cd libfpgalink; make deps

 * Convert libfpgalink to python3
   wget -O - http://www.swaton.ukfsn.org/bin/2to3.tar.gz | tar zxf -
   cd examples/python
   cp fpgalink2.py fpgalink3.py
   ../../2to3/2to3 fpgalink3.py | patch fpgalink3.py

 * Set your path's correctly.

   export LD_LIBRARY_PATH=$(pwd)/libfpgalink/lin.x64/rel:$LD_LIBRARY_PATH
   export PYTHON_PATH=$(pwd)/libfpgalink/examples/python:$PYTHON_PATH
2015-07-02 16:44:39 +02:00
Tim 'mithro' Ansell 055f7d51fc mibuild/xilinx: Adding programming with the Digilent Adept tools 2015-07-02 16:03:44 +02:00
Florent Kermarrec 7afa3d61d9 mibuild/xilinx: Xilinx's FPGAs do not necessary share the same primitives: add xilinx_s7_special_overrides and specific XilinxDDROutputS7 implementation
Fix DDROutput implementation on spartan6 (tested with LiteETH's GMII phy)
2015-07-02 09:42:12 +02:00
Yann Sionneau 4509265c70 travis: use use-local for conda install
http://conda.pydata.org/docs/build_tutorials/pkgs.html
2015-06-30 00:42:56 +02:00
Sebastien Bourdeauducq 31a447154d soc: support constants without value 2015-06-28 21:35:37 +02:00
William D. Jones 445f0f5d40 Remove self.programmer references in Mercury, as mercury programmer is not implemented. 2015-06-28 18:06:50 +02:00
William D. Jones 3ea7ef81a9 Add Mercury dev board to mibuild (http://www.micro-nova.com/mercury/) 2015-06-28 16:30:41 +02:00
Sebastien Bourdeauducq e913fca8a0 libcompiler-rt: add fixdfdi 2015-06-27 23:51:09 +02:00
Joe Britton a1e3fb16ac flterm.py: use serial_for_url 2015-06-26 11:40:33 +02:00
Florent Kermarrec 04c64eb1d8 litesata/example_designs: fix core generation (RAID introduced some changes on the PHY) 2015-06-26 00:20:58 +02:00
enjoy-digital c615b50735 Merge pull request #14 from olofk/misc_fixes
Misc fixes
2015-06-25 23:59:42 +02:00
Olof Kindgren 52e6bf6987 litesata/test: Add missing dependency on scrambler in bist_tb 2015-06-26 01:20:25 +02:00
Olof Kindgren ffb6081720 litesata/example_designs: Add missing clock in phy instantiation 2015-06-26 01:20:25 +02:00
Sébastien Bourdeauducq f03c2325d9 Merge pull request #21 from psmears/patch-1
Minor improvements to wording
2015-06-24 10:46:58 +00:00
Florent Kermarrec 125432b5b6 liteeth/example_designs: use new Keep SynthesisDirective 2015-06-23 16:15:28 +02:00
Florent Kermarrec d77a5fc5ac fhdl/specials: add Keep SynthesisDirective 2015-06-23 16:14:42 +02:00