enjoy-digital [Sat, 21 Dec 2019 18:40:21 +0000 (19:40 +0100)]
Merge pull request #320 from gsomlo/gls-touch-up
Misc. Rocket and CSR cleanup
Gabriel Somlo [Wed, 18 Dec 2019 16:24:11 +0000 (11:24 -0500)]
soc_core: csr_alignment assertions
Enforce the condition that csr_alignment be either 32 or 64 when
requested explicitly when initializing SoCCore().
Additionally, if a CPU is specified, enforce that csr_alignment be
equal to the native CPU word size (currently either 32 or 64), and
warn the caller if an alignment value *higher* than the CPU native
word size was explicitly requested.
In conclusion, if a CPU is specified, then csr_alignment should be
assumed to equal 8*sizeof(unsigned long).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Gabriel Somlo [Sat, 21 Dec 2019 17:59:19 +0000 (12:59 -0500)]
cpu/rocket: access PLIC registers via pointer dereference
Since the PLIC is internal to Rocket, access its registers
directly via pointer dereference, rather than through the
LiteX CSR Bus accessors (which assume subregister slicing,
and are therefore inappropriate for registers NOT accessed
over the LiteX CSR Bus).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Florent Kermarrec [Fri, 20 Dec 2019 22:32:21 +0000 (23:32 +0100)]
cpu/microwatt: add initial software support
Florent Kermarrec [Wed, 18 Dec 2019 18:02:30 +0000 (19:02 +0100)]
cpu/microwatt: add submodule
Florent Kermarrec [Wed, 18 Dec 2019 07:59:35 +0000 (08:59 +0100)]
cpu/microwatt: set csr to 0xc0000000 (IO region)
Florent Kermarrec [Wed, 18 Dec 2019 07:56:36 +0000 (08:56 +0100)]
cpu/microwatt: fix add_source/add_sources
Florent Kermarrec [Wed, 18 Dec 2019 07:46:38 +0000 (08:46 +0100)]
soc/cores/pwm: remove debug print(n)
Florent Kermarrec [Tue, 17 Dec 2019 08:47:31 +0000 (09:47 +0100)]
platforms/netv2: add xc7a100t support
Florent Kermarrec [Tue, 17 Dec 2019 08:47:12 +0000 (09:47 +0100)]
platforms/minispartan6: add assert on available devices
Florent Kermarrec [Tue, 17 Dec 2019 08:41:46 +0000 (09:41 +0100)]
cpu/microwatt: simplify add_sources
Florent Kermarrec [Tue, 17 Dec 2019 08:33:46 +0000 (09:33 +0100)]
cpu/microwatt: add io_regions and gcc_flags
Florent Kermarrec [Tue, 17 Dec 2019 08:27:19 +0000 (09:27 +0100)]
cpu/microwatt: update copyright
Florent Kermarrec [Mon, 16 Dec 2019 11:37:27 +0000 (12:37 +0100)]
cpu/microwatt: drive stall signal (no burst support)
Florent Kermarrec [Mon, 16 Dec 2019 10:13:10 +0000 (11:13 +0100)]
soc/cores/pwm: add clock_domain support
Florent Kermarrec [Mon, 16 Dec 2019 10:12:38 +0000 (11:12 +0100)]
build/xilinx/XilinxMultiRegImpl: fix n=0 case
Florent Kermarrec [Sat, 14 Dec 2019 21:47:07 +0000 (22:47 +0100)]
build/xilinx/ise: cleanup/simplify pass, remove mist support (not aware of anyone using it)
Florent Kermarrec [Fri, 13 Dec 2019 22:58:14 +0000 (23:58 +0100)]
soc/cores/cpu: add initial Microwatt gateware support
Implementation tested on arty:
cd litex/soc/cores/cpu/microwatt
git clone https://github.com/antonblanchard/microwatt
mv microwatt sources
cd litex/boards/targets
./arty --cpu-type=microwatt --no-compile-gateware
Florent Kermarrec [Fri, 13 Dec 2019 22:44:07 +0000 (23:44 +0100)]
soc/cores/cpu/minerva: add self.reset to i_rst
enjoy-digital [Fri, 13 Dec 2019 20:57:14 +0000 (21:57 +0100)]
Merge pull request #315 from gsomlo/gls-csr-assert
soc_core: additional CSR safety assertions
Gabriel Somlo [Thu, 12 Dec 2019 14:02:47 +0000 (09:02 -0500)]
soc_core: additional CSR safety assertions
Since csr_data_width=64 has probably never worked properly, remove
it as one of the possible options (to be fixed and re-added later).
Add csr_data_width=16, which has been tested and does work.
Additionally, ensure csr_data_width <= csr_alignment (we should not
attempt to create (sub)registers larger than the CPU's native word
size or XLen).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Florent Kermarrec [Thu, 12 Dec 2019 11:41:25 +0000 (12:41 +0100)]
soc_core: remove static 16MB csr region allocation (use csr_address_width to allocate the correct size)
Florent Kermarrec [Thu, 12 Dec 2019 10:27:56 +0000 (11:27 +0100)]
soc_core: add sort of CSR regions by origin (allow csr.h/csr.csv to be ordered by origin)
Florent Kermarrec [Mon, 9 Dec 2019 18:25:38 +0000 (19:25 +0100)]
cores/8b10b: use real Memory for 6b5b table (to improve timings on ECP5)
Florent Kermarrec [Sun, 8 Dec 2019 11:19:38 +0000 (12:19 +0100)]
build/xilinx/vivado: move build_script generation
Florent Kermarrec [Sun, 8 Dec 2019 11:08:17 +0000 (12:08 +0100)]
build/xilinx/vivado: cleanup/simplify
Florent Kermarrec [Sat, 7 Dec 2019 20:43:15 +0000 (21:43 +0100)]
build/lattice/icestorm: cleanup/simplify (and remove arachne-pnr support)
Florent Kermarrec [Fri, 6 Dec 2019 21:04:36 +0000 (22:04 +0100)]
build/xilinx/common/platform/programmer: cleanup pass
Florent Kermarrec [Fri, 6 Dec 2019 17:20:59 +0000 (18:20 +0100)]
boards: add Lambdaconcept's PCIe Screamer (R02)
Florent Kermarrec [Fri, 6 Dec 2019 15:15:08 +0000 (16:15 +0100)]
targets/versa_ecp5: fix compilation with diamond
Florent Kermarrec [Fri, 6 Dec 2019 14:58:06 +0000 (15:58 +0100)]
boards/targets: keep attributes are no longer needed since automatically added when applying constraints to signals.
Florent Kermarrec [Fri, 6 Dec 2019 14:41:15 +0000 (15:41 +0100)]
build: automatically add keep attribute to signals with timing constraints.
Avoid having to specify it manually or eventually forget to do it and have a constraints that is not applied correctly.
Florent Kermarrec [Fri, 6 Dec 2019 14:16:21 +0000 (15:16 +0100)]
build/altera/quartus: allow adding period constraints on nets and add optional additional sdc/qsf commands
Additional sdc/qsf commands can be added from the design like:
platform.sdc_additional_commands.append("create_clock ...")
platform.sdc_additional_commands.append("set_false_path ...")
Florent Kermarrec [Fri, 6 Dec 2019 11:57:59 +0000 (12:57 +0100)]
build/lattice/trellis: nextpnr now handle LPF timing constraints and multiple clock domains, freq_constraint is no longer needed.
Florent Kermarrec [Fri, 6 Dec 2019 11:51:50 +0000 (12:51 +0100)]
build/lattice: cleanup/simplify (no functional changes)
icestorm still need to be cleaned up
Florent Kermarrec [Fri, 6 Dec 2019 11:13:20 +0000 (12:13 +0100)]
build/lattice: cleanup/simplify
Florent Kermarrec [Fri, 6 Dec 2019 10:14:57 +0000 (11:14 +0100)]
build/microsemi: cleanup/simplify (no functional change)
Florent Kermarrec [Fri, 6 Dec 2019 08:29:48 +0000 (09:29 +0100)]
build/altera: cleanup/simplify (no functional change)
Altera build backend was a bit messy and needed some cleanup to ease future maintenance and new features.
Tim Ansell [Fri, 6 Dec 2019 03:05:44 +0000 (19:05 -0800)]
Merge pull request #313 from mmicko/yosys_ise_flow_fix
Yosys - ISE flow fix
Florent Kermarrec [Tue, 3 Dec 2019 14:27:20 +0000 (15:27 +0100)]
build/xilinx/vivado: use VHDL 2008 as default
Florent Kermarrec [Tue, 3 Dec 2019 09:11:15 +0000 (10:11 +0100)]
targets/nexys4ddr: remove MEMTEST_ADDR_SIZE limitation (no longer needed)
Florent Kermarrec [Tue, 3 Dec 2019 08:05:52 +0000 (09:05 +0100)]
targets/netv2: switch to MVP DDR3 (K4B2G1646F instead of MT41J128M16)
Florent Kermarrec [Tue, 3 Dec 2019 07:58:01 +0000 (08:58 +0100)]
targets: uniformize, improve presentation
Florent Kermarrec [Mon, 2 Dec 2019 10:03:42 +0000 (11:03 +0100)]
README: fix LitePCIe Travis-CI link
Florent Kermarrec [Mon, 2 Dec 2019 08:44:44 +0000 (09:44 +0100)]
soc/interconnect/csr: add fields support for CSRStorage's write simulation method
Florent Kermarrec [Sun, 1 Dec 2019 20:26:37 +0000 (21:26 +0100)]
soc/cores/gpio: add GPIO Tristate
Florent Kermarrec [Sat, 30 Nov 2019 18:30:50 +0000 (19:30 +0100)]
setup.py: update long_description
Florent Kermarrec [Sat, 30 Nov 2019 18:23:34 +0000 (19:23 +0100)]
README.md: use litex logo
Florent Kermarrec [Sat, 30 Nov 2019 18:18:04 +0000 (19:18 +0100)]
README: switch to Markdown
Tim Ansell [Sat, 30 Nov 2019 03:05:56 +0000 (19:05 -0800)]
Merge pull request #311 from kbeckmann/trellis_cabga256
trellis: Support the CABGA256 package
Konrad Beckmann [Sat, 30 Nov 2019 01:38:16 +0000 (02:38 +0100)]
trellis: Support the CABGA256 package
Miodrag Milanovic [Fri, 29 Nov 2019 18:11:22 +0000 (19:11 +0100)]
Properly select family for those currently supported
Miodrag Milanovic [Fri, 29 Nov 2019 16:12:08 +0000 (17:12 +0100)]
Integrate with latest yosys changes
enjoy-digital [Mon, 25 Nov 2019 20:01:17 +0000 (21:01 +0100)]
Merge pull request #310 from xobs/spi-flash-mode3-doc
spi_flash: correct documentation on SPI mode
Sean Cross [Mon, 25 Nov 2019 04:33:56 +0000 (12:33 +0800)]
spi_flash: correct documentation on SPI mode
The SPI mode is actually mode3, since the output value is updated on the
falling edge of CLK and the input value is updated on the rising edge.
This also clarifies some of the documentation based on experience with
the core.
Signed-off-by: Sean Cross <sean@xobs.io>
Florent Kermarrec [Fri, 22 Nov 2019 14:28:35 +0000 (15:28 +0100)]
tools/remote/comm_udp: only use one socket
Florent Kermarrec [Fri, 22 Nov 2019 14:28:07 +0000 (15:28 +0100)]
build/generic_platform: avoid duplicate in GenericPlatform.sources
Florent Kermarrec [Wed, 20 Nov 2019 18:36:51 +0000 (19:36 +0100)]
soc/cores/clock: change drp_locked to CSRStatus and connect it :)
Florent Kermarrec [Wed, 20 Nov 2019 18:24:40 +0000 (19:24 +0100)]
soc/cores/clock: reset PLL/MMCM on all 7-series/Ultrascale with self.reset signal
enjoy-digital [Wed, 20 Nov 2019 18:20:15 +0000 (19:20 +0100)]
Merge pull request #309 from antmicro/mmcm-fix
soc/cores/clock: add lock reg and assign reset
Pawel Czarnecki [Wed, 20 Nov 2019 14:29:36 +0000 (15:29 +0100)]
soc/cores/clock: add lock reg and assign reset
It was necessary to add drp_locked CSR for reading LOCK signal from
MMCM. Additionally, input signal RESET from MMCM was not driven by
any signal to do a proper reset of MMCM module thus it was impossible
to perform entirely correct dynamic clock reconfiguration.
Florent Kermarrec [Wed, 20 Nov 2019 11:32:22 +0000 (12:32 +0100)]
soc/interconnect/axi: add Wishbone2AXILite
Florent Kermarrec [Wed, 20 Nov 2019 10:22:39 +0000 (11:22 +0100)]
test/test_axi: cosmetic
Florent Kermarrec [Tue, 19 Nov 2019 08:11:11 +0000 (09:11 +0100)]
build/tools/get_migen/litex_git_revision: avoid git fatal error message is not installed as a git repository
enjoy-digital [Mon, 18 Nov 2019 17:24:35 +0000 (18:24 +0100)]
Merge pull request #308 from gsomlo/gls-sdram-init
soc_sdram, bios/sdram: support sdram init for csr_data_width <= 32
Gabriel Somlo [Sun, 17 Nov 2019 15:08:50 +0000 (10:08 -0500)]
soc_sdram, bios/sdram: support sdram init for csr_data_width <= 32
Enable SDRAM to be initialized when csr_data_width > 8 bits.
Currently, csr_data_width up to 32 bits is supported.
Read leveling tested with csr_data_width [8, 16, 32] on the
ecp5-versa5g and trellisboard (using yosys/trellis/nextpnr),
and on the nexys4ddr (using Vivado).
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Florent Kermarrec [Mon, 18 Nov 2019 07:51:44 +0000 (08:51 +0100)]
soc/interconnect/packet/Depacketizer: another simplifcation pass
Florent Kermarrec [Sun, 17 Nov 2019 10:57:14 +0000 (11:57 +0100)]
soc/interconnect/packet/Depacketizer: cleanup "ALIGNED-DATA-COPY" state
Florent Kermarrec [Sun, 17 Nov 2019 10:50:09 +0000 (11:50 +0100)]
soc/interconnect/packet/Depacketizer: replace no_payload with sink_d.last
Florent Kermarrec [Sat, 16 Nov 2019 13:39:18 +0000 (14:39 +0100)]
test/test_packet: add randomness on ready output, fix corner-cases on Packetizer/Depacketizer
Florent Kermarrec [Sat, 16 Nov 2019 07:49:04 +0000 (08:49 +0100)]
test/test_packet: add randomness on valid input, fix corner-cases on Packetizer
enjoy-digital [Fri, 15 Nov 2019 17:17:35 +0000 (18:17 +0100)]
Merge pull request #307 from sergachev/master
change >512 B CSR memory exception to a warning
Florent Kermarrec [Fri, 15 Nov 2019 15:19:05 +0000 (16:19 +0100)]
soc/interconnect/packet: fix synthesis (synthesis tools can do all sort of optimizations, but we still need to provide valid verilog :))
Ilia Sergachev [Fri, 15 Nov 2019 14:34:12 +0000 (15:34 +0100)]
change >512 B CSR memory exception to a warning
Florent Kermarrec [Fri, 15 Nov 2019 13:57:31 +0000 (14:57 +0100)]
soc/interconnect/packet: connect error/last_be only present on both sink and source
Florent Kermarrec [Fri, 15 Nov 2019 13:34:56 +0000 (14:34 +0100)]
soc/interconnect/packet: simplify/refactor Packetizer/Depacketizer to keep it simple
To avoid complex FSMs, let the synthesis tool do the simplifications when the FSM states are not reachable.
Florent Kermarrec [Fri, 15 Nov 2019 10:36:52 +0000 (11:36 +0100)]
test/test_packet: add 32/64/128-bit loopback tests (passing :))
Florent Kermarrec [Fri, 15 Nov 2019 10:32:42 +0000 (11:32 +0100)]
test/test_packet: prepare for testing dw > 8-bit
Florent Kermarrec [Fri, 15 Nov 2019 10:25:38 +0000 (11:25 +0100)]
soc/interconnect/packet: update copyright
Vamsi K Vytla [Fri, 15 Nov 2019 10:22:49 +0000 (11:22 +0100)]
soc/interconnect/packet: add > 8-bit support to Packetizer/Depacketizer
With high speed link (10gbps XGMII ethernet for example), stream data_width is generally
> 8-bit which make header/data un-aligned on bytes boundaries. The change allows the
Packetizer/Depacketizer to work on stream with a data_width > 8-bit.
Florent Kermarrec [Fri, 15 Nov 2019 09:57:31 +0000 (10:57 +0100)]
build/sim: cleanup run_as_root
Vamsi K Vytla [Fri, 15 Nov 2019 09:47:13 +0000 (10:47 +0100)]
build/sim/modules: add XGMII 10Gbps ethernet module
Used to simulate SoCs with XGMII 10Gbps ethernet and to do LiteEth verification
Florent Kermarrec [Fri, 15 Nov 2019 09:39:49 +0000 (10:39 +0100)]
sim/ethernet: remove trailing whitespaces
Florent Kermarrec [Fri, 15 Nov 2019 09:29:39 +0000 (10:29 +0100)]
test: add initial test_packet
Use a header with 8,16,32,64,128-bit fields and test a Packetizer/Depacketizer loopback with random field values, random packet data & length.
Florent Kermarrec [Thu, 14 Nov 2019 10:19:07 +0000 (11:19 +0100)]
tools/litex_sim: cleanup/update (no functional change)
Florent Kermarrec [Mon, 11 Nov 2019 17:38:10 +0000 (18:38 +0100)]
tools/litex_term: remove automatic reboot when flashing and clear mem_regions to avoid re-flashing on next reboot(s)
Florent Kermarrec [Fri, 8 Nov 2019 23:00:55 +0000 (00:00 +0100)]
bios/flash: minor cleanup on serialboot flashing, add flash address support
enjoy-digital [Fri, 8 Nov 2019 22:51:49 +0000 (23:51 +0100)]
Merge pull request #305 from FrankBuss/master
adding support to flash an FBI image
Florent Kermarrec [Fri, 8 Nov 2019 22:27:58 +0000 (23:27 +0100)]
soc_core: add integrated-rom-file parameter to allow initializing rom from command line
Florent Kermarrec [Fri, 8 Nov 2019 18:43:01 +0000 (19:43 +0100)]
cores/code_8b10b/Decoder: add basic invalid symbols detection
Check that we have 4,5 or 6 ones in the symbol. This does not report all
invalid symbols but still allow detecting issues with the link.
fb@frank-buss.de [Fri, 8 Nov 2019 16:16:28 +0000 (17:16 +0100)]
adding support to flash an FBI image
Florent Kermarrec [Fri, 8 Nov 2019 12:14:21 +0000 (13:14 +0100)]
software/bios: rename ef command to fe (for consistency)
Florent Kermarrec [Fri, 8 Nov 2019 12:13:54 +0000 (13:13 +0100)]
software/libbase/spiflash: rename CHIP_ERASE_CMD to CE_CMD (for consistency)
enjoy-digital [Fri, 8 Nov 2019 12:04:33 +0000 (13:04 +0100)]
Merge pull request #302 from FrankBuss/master
erase flash command added
Florent Kermarrec [Fri, 8 Nov 2019 11:55:29 +0000 (12:55 +0100)]
soc_core: remove add_cpu method (when no real CPU but only wishbone masters, self.cpu is declared as CPUNone)
fb@frank-buss.de [Thu, 7 Nov 2019 18:19:54 +0000 (19:19 +0100)]
erase flash command added
Florent Kermarrec [Thu, 7 Nov 2019 08:02:31 +0000 (09:02 +0100)]
integration/export: do not include soc.h in csr.h when with_access_functions=False
Idealy we should have another parameter for that.
Florent Kermarrec [Thu, 7 Nov 2019 08:00:54 +0000 (09:00 +0100)]
soc_sdram/kcu105: add optional main_ram_size_limit and use it on KCU105 to limit to 1GB instead of 2GB.
CSR map will need to be updated to support the 2GB.
Florent Kermarrec [Thu, 7 Nov 2019 07:56:52 +0000 (08:56 +0100)]
soc_sdram: remove use_full_memory_we parameter (always used as True)
Florent Kermarrec [Thu, 7 Nov 2019 07:44:34 +0000 (08:44 +0100)]
soc_sdram: update copyrights