litex.git
5 years agosoftware/bios/sdram: use specific ERR_DDRPHY_BITSLIP/NMODULES computation
Florent Kermarrec [Tue, 5 Mar 2019 17:01:03 +0000 (18:01 +0100)]
software/bios/sdram: use specific ERR_DDRPHY_BITSLIP/NMODULES computation

In the future, the PHYs should generated these constants.

5 years agotargets/versa_ecp5: update ECP5DDRPHY on BaseSoC, add EthernetSoC
Florent Kermarrec [Tue, 5 Mar 2019 12:23:38 +0000 (13:23 +0100)]
targets/versa_ecp5: update ECP5DDRPHY on BaseSoC, add EthernetSoC

5 years agobios/sdram: use burstdet detection for ECP5DDRPHY init
Florent Kermarrec [Tue, 5 Mar 2019 11:26:10 +0000 (12:26 +0100)]
bios/sdram: use burstdet detection for ECP5DDRPHY init

5 years agoMerge pull request #150 from daveshah1/trellis_bus_fixes
enjoy-digital [Mon, 4 Mar 2019 11:00:44 +0000 (12:00 +0100)]
Merge pull request #150 from daveshah1/trellis_bus_fixes

lattice/common: Fix tristate buses with Trellis

5 years agolattice/common: Fix tristate buses with Trellis
David Shah [Mon, 4 Mar 2019 10:50:56 +0000 (10:50 +0000)]
lattice/common: Fix tristate buses with Trellis

Signed-off-by: David Shah <dave@ds0.me>
5 years agoboards/ulx3s: add device selection parameter
Florent Kermarrec [Mon, 4 Mar 2019 08:40:14 +0000 (09:40 +0100)]
boards/ulx3s: add device selection parameter

ULX3S can be populated with LFE5U-45F (default) or LFE5U-85F

5 years agotargets/ulx3s: use AsyncResetSynchronizer and derivate sys_clk/sys_clk_ps constraints...
Florent Kermarrec [Mon, 4 Mar 2019 08:27:31 +0000 (09:27 +0100)]
targets/ulx3s: use AsyncResetSynchronizer and derivate sys_clk/sys_clk_ps constraints from clk25

Now supported by Trellis/Nextpnr.

5 years agobuild/lattice/trellis: add package support
Florent Kermarrec [Fri, 1 Mar 2019 14:20:02 +0000 (15:20 +0100)]
build/lattice/trellis: add package support

5 years agobuild/lattice/trellis: basecfg now integrated in nextpnr
Florent Kermarrec [Fri, 1 Mar 2019 13:20:00 +0000 (14:20 +0100)]
build/lattice/trellis: basecfg now integrated in nextpnr

5 years agoboards/targets/ulx3s: allow building with diamond or trellis
Florent Kermarrec [Fri, 1 Mar 2019 12:57:45 +0000 (13:57 +0100)]
boards/targets/ulx3s: allow building with diamond or trellis

5 years agosoc/software/bios/boot: add vexriscv workaround
Florent Kermarrec [Fri, 1 Mar 2019 08:16:48 +0000 (09:16 +0100)]
soc/software/bios/boot: add vexriscv workaround

Flushing icache was working correctly on previous version of Vexriscv, understand
why it's no longer the case.

5 years agosoc/integration: add initial SoCZynq SoC
Florent Kermarrec [Wed, 27 Feb 2019 21:30:40 +0000 (22:30 +0100)]
soc/integration: add initial SoCZynq SoC

5 years agosoc/interconnect: add initial axi code with bus definition and AXI2Wishbone
Florent Kermarrec [Wed, 27 Feb 2019 21:26:57 +0000 (22:26 +0100)]
soc/interconnect: add initial axi code with bus definition and AXI2Wishbone

5 years agotest: add test_axi_lite (with test code from soc/interconnect/axi_lite lightly modified)
Florent Kermarrec [Wed, 27 Feb 2019 21:24:56 +0000 (22:24 +0100)]
test: add test_axi_lite (with test code from soc/interconnect/axi_lite lightly modified)

5 years agosoc/interconnect: rename axi to axi_lite
Florent Kermarrec [Wed, 27 Feb 2019 21:11:09 +0000 (22:11 +0100)]
soc/interconnect: rename axi to axi_lite

5 years agotest: add basic test_csr
Florent Kermarrec [Wed, 27 Feb 2019 20:44:11 +0000 (21:44 +0100)]
test: add basic test_csr

5 years agoMerge pull request #149 from daveshah1/versa_trellis
enjoy-digital [Mon, 25 Feb 2019 18:26:07 +0000 (19:26 +0100)]
Merge pull request #149 from daveshah1/versa_trellis

Add trellis build option to versa_ecp5 and bring trellis support up to date

5 years agoversa_ecp5: Add option to build with Trellis
David Shah [Mon, 25 Feb 2019 18:02:04 +0000 (18:02 +0000)]
versa_ecp5: Add option to build with Trellis

5 years agotrellis: Add LPF frequency constraints and remove -nomux
David Shah [Mon, 25 Feb 2019 18:01:35 +0000 (18:01 +0000)]
trellis: Add LPF frequency constraints and remove -nomux

5 years agosoc/software/sdram: fix compilation on ultrascale
Florent Kermarrec [Mon, 25 Feb 2019 15:12:21 +0000 (16:12 +0100)]
soc/software/sdram: fix compilation on ultrascale

5 years agotargets/versa_ecp5: integrate DDR3
Florent Kermarrec [Mon, 25 Feb 2019 14:27:08 +0000 (15:27 +0100)]
targets/versa_ecp5: integrate DDR3

5 years agosoc/software/bios/sdram: add ECP5 support
Florent Kermarrec [Mon, 25 Feb 2019 13:40:47 +0000 (14:40 +0100)]
soc/software/bios/sdram: add ECP5 support

5 years agosoc/software/bios/sdram: improve write_level robustness
Florent Kermarrec [Mon, 25 Feb 2019 13:38:24 +0000 (14:38 +0100)]
soc/software/bios/sdram: improve write_level robustness

5 years agosoc/software/bios/sdram: improve sdrlevel readibility
Florent Kermarrec [Mon, 25 Feb 2019 13:37:31 +0000 (14:37 +0100)]
soc/software/bios/sdram: improve sdrlevel readibility

5 years agosoc/software/bios/sdram: add helpers for rst/inc of delays
Florent Kermarrec [Mon, 25 Feb 2019 13:36:47 +0000 (14:36 +0100)]
soc/software/bios/sdram: add helpers for rst/inc of delays

5 years agoMerge pull request #148 from daveshah1/versa_remove_n
enjoy-digital [Fri, 22 Feb 2019 13:32:45 +0000 (14:32 +0100)]
Merge pull request #148 from daveshah1/versa_remove_n

versa_ecp5: Remove negative diff IO pins

5 years agoversa_ecp5: Remove negative diff IO pins
David Shah [Fri, 22 Feb 2019 12:12:10 +0000 (12:12 +0000)]
versa_ecp5: Remove negative diff IO pins

In Lattice FPGAs only the positive side of differential pairs should
be specified (unlike Xilinx)

These are a warning on Diamond (which trims unused IO) and an error
with Yosys/nextpnr (which doesn't so they conflict when the positive
pin is 'expanded').

Already this is the case for the clock input, this commit performs
the same change for the DDR3 pins.

5 years agoplatforms/versa_ecp5: add ddram pins
Florent Kermarrec [Wed, 20 Feb 2019 21:45:19 +0000 (22:45 +0100)]
platforms/versa_ecp5: add ddram pins

5 years agosoc/tools/remote/comm_uart: be sure to flush in waiting bytes before read and write
Florent Kermarrec [Fri, 15 Feb 2019 23:08:24 +0000 (00:08 +0100)]
soc/tools/remote/comm_uart: be sure to flush in waiting bytes before read and write

5 years agosoc/cores/clock: add actual clk_freqs to config
Florent Kermarrec [Thu, 14 Feb 2019 09:41:13 +0000 (10:41 +0100)]
soc/cores/clock: add actual clk_freqs to config

5 years agosoc_sdram: add use_full_memory_we parameter to allow disabling vivado workaround...
Florent Kermarrec [Tue, 12 Feb 2019 11:12:40 +0000 (12:12 +0100)]
soc_sdram: add use_full_memory_we parameter to allow disabling vivado workaround on small l2 caches

5 years agobuild/lattice/common/LatticeECXTrellisImpl: add support for nbits == 1
Florent Kermarrec [Mon, 11 Feb 2019 18:41:12 +0000 (19:41 +0100)]
build/lattice/common/LatticeECXTrellisImpl: add support for nbits == 1

5 years agosoc_sdram: don't generate sdram initialization error message when integrated_main_ram...
Florent Kermarrec [Mon, 11 Feb 2019 08:23:39 +0000 (09:23 +0100)]
soc_sdram: don't generate sdram initialization error message when integrated_main_ram is used

5 years agobuild/lattice/common: add LatticeiCE40DDROutput
Florent Kermarrec [Thu, 7 Feb 2019 15:23:55 +0000 (16:23 +0100)]
build/lattice/common: add LatticeiCE40DDROutput

5 years agoplatforms/nexys_video: add LPC transceivers pins
Florent Kermarrec [Fri, 1 Feb 2019 22:39:17 +0000 (23:39 +0100)]
platforms/nexys_video: add LPC transceivers pins

5 years agobuild/sim: add jtagremote module (thanks LamdaConcept)
Florent Kermarrec [Wed, 30 Jan 2019 13:01:19 +0000 (14:01 +0100)]
build/sim: add jtagremote module (thanks LamdaConcept)

5 years agosoc/integration/soc_core: allow disabling wishbone timeout
Florent Kermarrec [Tue, 29 Jan 2019 11:45:59 +0000 (12:45 +0100)]
soc/integration/soc_core: allow disabling wishbone timeout

5 years agosoc/interconnect/wishbone: increase bus error timeout to 1e6 cycles
Florent Kermarrec [Sun, 27 Jan 2019 07:23:44 +0000 (08:23 +0100)]
soc/interconnect/wishbone: increase bus error timeout to 1e6 cycles

5 years agoboards/platform/kc705: add sfp pins (both tx and rx)
Florent Kermarrec [Wed, 23 Jan 2019 07:40:47 +0000 (08:40 +0100)]
boards/platform/kc705: add sfp pins (both tx and rx)

5 years agosoc/cores/clock: add USIDELAYCTRL
Florent Kermarrec [Tue, 22 Jan 2019 11:50:05 +0000 (12:50 +0100)]
soc/cores/clock: add USIDELAYCTRL

5 years agosoc/integration/soc_sdram: round port.data_width/l2_size to nearest power of 2 when...
Florent Kermarrec [Tue, 22 Jan 2019 08:08:35 +0000 (09:08 +0100)]
soc/integration/soc_sdram: round port.data_width/l2_size to nearest power of 2 when it's not the case

With ECC configurations, native port data_width is not necessarily a power of 2.

5 years agoboards/targets: improve presentation
Florent Kermarrec [Mon, 21 Jan 2019 09:39:34 +0000 (10:39 +0100)]
boards/targets: improve presentation

5 years agoboards/platforms/kcu105: add si570_refclk
Florent Kermarrec [Mon, 21 Jan 2019 09:36:28 +0000 (10:36 +0100)]
boards/platforms/kcu105: add si570_refclk

5 years agoboards/platforms/kc705: use vivado as default programmer
Florent Kermarrec [Mon, 21 Jan 2019 09:21:19 +0000 (10:21 +0100)]
boards/platforms/kc705: use vivado as default programmer

5 years agosoc/cores/clock: allow ClockSignal to be used for clkin
Florent Kermarrec [Wed, 16 Jan 2019 21:05:52 +0000 (22:05 +0100)]
soc/cores/clock: allow ClockSignal to be used for clkin

5 years agobuild/sim/core: fix coverage
Florent Kermarrec [Fri, 11 Jan 2019 14:01:58 +0000 (15:01 +0100)]
build/sim/core: fix coverage

5 years agobuild/sim/core: set -Wno-BLKANDNBLK (prevent blocking/non-blocking assigns on a same...
Florent Kermarrec [Fri, 11 Jan 2019 12:51:15 +0000 (13:51 +0100)]
build/sim/core: set -Wno-BLKANDNBLK (prevent blocking/non-blocking assigns on a same structure in system verilog)

5 years agobuild/sim/core: set unroll-count to 256 to prevent Error-BLKLOOPINIT
Florent Kermarrec [Fri, 11 Jan 2019 12:39:09 +0000 (13:39 +0100)]
build/sim/core: set unroll-count to 256 to prevent Error-BLKLOOPINIT

5 years agobuild/sim: disable Warning-WIDTH
Florent Kermarrec [Thu, 10 Jan 2019 15:03:09 +0000 (16:03 +0100)]
build/sim: disable Warning-WIDTH

5 years agosoc/cores/cpu/vexriscv: set default variant to None in add_sources
Florent Kermarrec [Wed, 9 Jan 2019 09:28:24 +0000 (10:28 +0100)]
soc/cores/cpu/vexriscv: set default variant to None in add_sources

5 years agosoc/cores/cpu/vexriscv: move verilog variant selection to add_sources
Florent Kermarrec [Wed, 9 Jan 2019 07:32:17 +0000 (08:32 +0100)]
soc/cores/cpu/vexriscv: move verilog variant selection to add_sources

5 years agotargets/kcu105: use USMMCM
Florent Kermarrec [Tue, 8 Jan 2019 13:14:28 +0000 (14:14 +0100)]
targets/kcu105: use USMMCM

5 years agotargets: pass speedgrade to S7PLL/S7MMCM
Florent Kermarrec [Tue, 8 Jan 2019 12:50:12 +0000 (13:50 +0100)]
targets: pass speedgrade to S7PLL/S7MMCM

5 years agosoc/cores/clock: add Xilinx Ultrascale PLL/MMCM
Florent Kermarrec [Tue, 8 Jan 2019 12:19:49 +0000 (13:19 +0100)]
soc/cores/clock: add Xilinx Ultrascale PLL/MMCM

5 years agoboards: avoid duplicating platforms that can be found in migen/litex-buildenv
Florent Kermarrec [Sun, 6 Jan 2019 17:59:37 +0000 (18:59 +0100)]
boards: avoid duplicating platforms that can be found in migen/litex-buildenv

The platforms that are kept are the ones used for litex development.

5 years agosoc/integration/cpu_interface: generate name for Memories in get_csr_header
Florent Kermarrec [Sat, 5 Jan 2019 09:57:37 +0000 (10:57 +0100)]
soc/integration/cpu_interface: generate name for Memories in get_csr_header

5 years agoutils/litex_server: allow specify uart_baudrate as float
Florent Kermarrec [Thu, 3 Jan 2019 09:38:14 +0000 (10:38 +0100)]
utils/litex_server: allow specify uart_baudrate as float

5 years agotargets/ulx3s: use pll for phase shift, enable refresh, memtest ok
Florent Kermarrec [Fri, 28 Dec 2018 14:58:28 +0000 (15:58 +0100)]
targets/ulx3s: use pll for phase shift, enable refresh, memtest ok

5 years agotargets/versa_ecp5: use pll for phase shift, enable refresh, memtest ok
Florent Kermarrec [Fri, 28 Dec 2018 14:14:28 +0000 (15:14 +0100)]
targets/versa_ecp5: use pll for phase shift, enable refresh, memtest ok

5 years agosoc/cores/clock/ECP5PLL: add basic phase support
Florent Kermarrec [Fri, 28 Dec 2018 14:03:05 +0000 (15:03 +0100)]
soc/cores/clock/ECP5PLL: add basic phase support

5 years agolitex_sim: simplify, change sdram module and enable sdram refresh.
Florent Kermarrec [Thu, 27 Dec 2018 19:36:50 +0000 (20:36 +0100)]
litex_sim: simplify, change sdram module and enable sdram refresh.

5 years ago.gitmodules: use our copy of tapcfg since https://github.com/nizox/tapcfg no longer...
Florent Kermarrec [Sun, 23 Dec 2018 18:47:48 +0000 (19:47 +0100)]
.gitmodules: use our copy of tapcfg since https://github.com/nizox/tapcfg no longer exists.

5 years agobuild/sim/verilator: compile sim just before running and not when building.
Florent Kermarrec [Fri, 21 Dec 2018 08:57:52 +0000 (09:57 +0100)]
build/sim/verilator: compile sim just before running and not when building.

5 years agoMerge pull request #144 from mithro/nextpnr-migen-update
Tim Ansell [Thu, 20 Dec 2018 19:35:42 +0000 (11:35 -0800)]
Merge pull request #144 from mithro/nextpnr-migen-update

Integrate latest migen changes for lattice/icestorm.

5 years agoIntegrate latest migen changes for lattice/icestorm.
Tim 'mithro' Ansell [Thu, 20 Dec 2018 19:31:07 +0000 (11:31 -0800)]
Integrate latest migen changes for lattice/icestorm.

Integrated up to 37db6bb52532b6d1c6bc8b724c2e8c6a38546c2a.

5 years agobuild/sim: handle verilog $finish and if coverage is enabled, write report at the...
Florent Kermarrec [Thu, 20 Dec 2018 09:33:32 +0000 (10:33 +0100)]
build/sim: handle verilog $finish and if coverage is enabled, write report at the end of the simulation.

5 years agoplatforms/kcu105: change internal vref to 0.84v (recommended value for ddr4)
Florent Kermarrec [Wed, 19 Dec 2018 10:33:32 +0000 (11:33 +0100)]
platforms/kcu105: change internal vref to 0.84v (recommended value for ddr4)

5 years agobios/sdram: only show read delays when they are valid.
Florent Kermarrec [Wed, 19 Dec 2018 10:19:47 +0000 (11:19 +0100)]
bios/sdram: only show read delays when they are valid.

5 years agobios/sdram: reduce write leveling scan range
Florent Kermarrec [Wed, 19 Dec 2018 10:18:19 +0000 (11:18 +0100)]
bios/sdram: reduce write leveling scan range

5 years agosoc/cores/clock: remove return on S7PLL.create_clkout
Florent Kermarrec [Wed, 19 Dec 2018 08:14:26 +0000 (09:14 +0100)]
soc/cores/clock: remove return on S7PLL.create_clkout

5 years agoplatforms/kcu105: set internal vref on ddr4 banks
Florent Kermarrec [Tue, 18 Dec 2018 20:38:23 +0000 (21:38 +0100)]
platforms/kcu105: set internal vref on ddr4 banks

5 years agoupdate Ultrascale DDRPHY
Florent Kermarrec [Tue, 18 Dec 2018 10:25:21 +0000 (11:25 +0100)]
update Ultrascale DDRPHY

5 years agoMerge pull request #141 from mithro/xst-fix
Tim Ansell [Tue, 18 Dec 2018 05:24:15 +0000 (21:24 -0800)]
Merge pull request #141 from mithro/xst-fix

Fix `-vlgincdir` for xst.

5 years agoFix `-vlgincdir` for xst.
Tim 'mithro' Ansell [Tue, 18 Dec 2018 05:11:14 +0000 (21:11 -0800)]
Fix `-vlgincdir` for xst.

The command line is of the form;
```
-vlgincdir {"path1" "path2"}
```

Fixes the following error;
```
WARNING:Xst:3164 - Option "-vlgincdir" found multiple times in the command line. Only the first occurence is considered.
```

5 years agobios/sdram: reduce scans verbosity on ultrascale
Florent Kermarrec [Mon, 17 Dec 2018 15:00:44 +0000 (16:00 +0100)]
bios/sdram: reduce scans verbosity on ultrascale

5 years agobios/sdram: use ddrphy_half_sys8x_taps_read() for KUSDDRPHY
Florent Kermarrec [Mon, 17 Dec 2018 10:43:21 +0000 (11:43 +0100)]
bios/sdram: use ddrphy_half_sys8x_taps_read() for KUSDDRPHY

5 years agoMerge pull request #138 from mithro/mainram-hack
Tim Ansell [Sun, 16 Dec 2018 22:42:36 +0000 (14:42 -0800)]
Merge pull request #138 from mithro/mainram-hack

Hack to fix #136.

5 years agoHack to fix #136.
Tim 'mithro' Ansell [Sun, 16 Dec 2018 22:40:10 +0000 (14:40 -0800)]
Hack to fix #136.

5 years agoMerge pull request #135 from mithro/icestorm-ice40up5k
Tim Ansell [Sun, 16 Dec 2018 22:04:19 +0000 (14:04 -0800)]
Merge pull request #135 from mithro/icestorm-ice40up5k

Add uwg30 package and up3k part.

5 years agoAdd uwg30 package and up3k part.
Tim 'mithro' Ansell [Sat, 15 Dec 2018 23:47:47 +0000 (15:47 -0800)]
Add uwg30 package and up3k part.

5 years agosoc/cores/cpu/vexriscv: add add_debug method for debug variants
Florent Kermarrec [Wed, 12 Dec 2018 09:01:49 +0000 (10:01 +0100)]
soc/cores/cpu/vexriscv: add add_debug method for debug variants

5 years agosoc/cores/cpu/vexriscv: add support for the new variants.
Florent Kermarrec [Wed, 12 Dec 2018 08:39:30 +0000 (09:39 +0100)]
soc/cores/cpu/vexriscv: add support for the new variants.

5 years agosoc/cores/cpu/vexriscv: update submodule
Florent Kermarrec [Wed, 12 Dec 2018 08:38:53 +0000 (09:38 +0100)]
soc/cores/cpu/vexriscv: update submodule

5 years agosoc/cores/cpu/lm32: add submodule/rtl to include path (needed for lm32_include.v)
Florent Kermarrec [Wed, 12 Dec 2018 08:38:10 +0000 (09:38 +0100)]
soc/cores/cpu/lm32: add submodule/rtl to include path (needed for lm32_include.v)

5 years agobuild/sim/verilator: add support for plaform.sources, some cleanup
Florent Kermarrec [Wed, 12 Dec 2018 08:37:24 +0000 (09:37 +0100)]
build/sim/verilator: add support for plaform.sources, some cleanup

5 years agobuild/microsemi/libero_soc: fix typos
Florent Kermarrec [Wed, 12 Dec 2018 08:34:43 +0000 (09:34 +0100)]
build/microsemi/libero_soc: fix typos

5 years agogen/sim/core: add args support on Display
Florent Kermarrec [Sun, 9 Dec 2018 08:46:10 +0000 (09:46 +0100)]
gen/sim/core: add args support on Display

5 years agogen/fhdl: add simulation Display, Finish support.
Florent Kermarrec [Sun, 9 Dec 2018 08:45:17 +0000 (09:45 +0100)]
gen/fhdl: add simulation Display, Finish support.

In some simulation cases, it's easier to add debug traces directly in the code
than in the verilog/Migen testbench. This adds support for verilog $display in
Migen code.

Being able to terminate a simulation from the code is also useful, this also
add support for verilog $finish.

5 years agobuild/sim: add coverage parameter to enable code coverage
Florent Kermarrec [Sun, 9 Dec 2018 07:10:50 +0000 (08:10 +0100)]
build/sim: add coverage parameter to enable code coverage

5 years agosoc/interconnect/stream: add support for buffered async fifo
Florent Kermarrec [Sat, 8 Dec 2018 00:24:08 +0000 (01:24 +0100)]
soc/interconnect/stream: add support for buffered async fifo

5 years agogen: integrate migen changes
Florent Kermarrec [Tue, 4 Dec 2018 20:06:51 +0000 (21:06 +0100)]
gen: integrate migen changes

5 years agosoc/interconnect/stream/gearbox: remove bit reversing by changing words order
Florent Kermarrec [Fri, 30 Nov 2018 22:12:30 +0000 (23:12 +0100)]
soc/interconnect/stream/gearbox: remove bit reversing by changing words order

5 years agoMerge branch 'master' of http://github.com/enjoy-digital/litex
Florent Kermarrec [Tue, 27 Nov 2018 16:45:07 +0000 (17:45 +0100)]
Merge branch 'master' of github.com/enjoy-digital/litex

5 years agobuild/xilinx/vivado: disable xpm by default (can be enabled by passing enable_xpm...
Florent Kermarrec [Tue, 27 Nov 2018 16:42:39 +0000 (17:42 +0100)]
build/xilinx/vivado: disable xpm by default (can be enabled by passing enable_xpm=True to build).

Old version of Vivado don't have XPM support and enable it break the build.
Enabling XPM is only useful in some cases, we can do it manually.

5 years agoMerge pull request #130 from jfng/master
enjoy-digital [Tue, 27 Nov 2018 16:35:03 +0000 (17:35 +0100)]
Merge pull request #130 from jfng/master

litex_sim: add --trace argument

5 years agotargets/ulx3s, versa_ecp5: use ECP5PLL
Florent Kermarrec [Tue, 27 Nov 2018 16:31:53 +0000 (17:31 +0100)]
targets/ulx3s, versa_ecp5: use ECP5PLL

5 years agolitex_sim: add --trace argument
Jean-François Nguyen [Tue, 27 Nov 2018 16:26:32 +0000 (17:26 +0100)]
litex_sim: add --trace argument

5 years agocores/clock: test and fix ECP5PLL, phase still not implemented.
Florent Kermarrec [Tue, 27 Nov 2018 16:24:22 +0000 (17:24 +0100)]
cores/clock: test and fix ECP5PLL, phase still not implemented.

5 years agoboards/platforms/ulx3s: add gpios 0-3
Florent Kermarrec [Tue, 27 Nov 2018 13:15:35 +0000 (14:15 +0100)]
boards/platforms/ulx3s: add gpios 0-3

5 years agobios/sdram: flush l2 cache only when present
Florent Kermarrec [Mon, 26 Nov 2018 17:37:45 +0000 (18:37 +0100)]
bios/sdram: flush l2 cache only when present