litex.git
6 years agobios/main: fix typo on mor1kx
Florent Kermarrec [Tue, 13 Nov 2018 10:16:06 +0000 (11:16 +0100)]
bios/main: fix typo on mor1kx

6 years agocpu/mor1kx: use clang only for linux variant
Florent Kermarrec [Tue, 13 Nov 2018 10:09:39 +0000 (11:09 +0100)]
cpu/mor1kx: use clang only for linux variant

6 years agoxilinx/vivado: fix migen merge
Florent Kermarrec [Mon, 12 Nov 2018 15:31:51 +0000 (16:31 +0100)]
xilinx/vivado: fix migen merge

6 years agoplatforms: remove versaecp55g_sdram
Florent Kermarrec [Mon, 12 Nov 2018 11:45:33 +0000 (12:45 +0100)]
platforms: remove versaecp55g_sdram

6 years agobuild/xilinx/vivado: merge migen change
Florent Kermarrec [Mon, 12 Nov 2018 11:00:30 +0000 (12:00 +0100)]
build/xilinx/vivado: merge migen change

6 years agobuild: use default toolchain_path on all backend when passed value is None
Florent Kermarrec [Mon, 12 Nov 2018 10:48:30 +0000 (11:48 +0100)]
build: use default toolchain_path on all backend when passed value is None

6 years agogeneric_platform: use set for sources
Florent Kermarrec [Mon, 12 Nov 2018 10:47:39 +0000 (11:47 +0100)]
generic_platform: use set for sources

6 years agobuild: merge more migen changes
Florent Kermarrec [Mon, 12 Nov 2018 10:26:35 +0000 (11:26 +0100)]
build: merge more migen changes

6 years agoplatforms/versa_ecp5: import migen changes
Florent Kermarrec [Mon, 12 Nov 2018 09:52:28 +0000 (10:52 +0100)]
platforms/versa_ecp5: import migen changes

6 years agotargets/ulx3s,versa_ecp5: prjtrellis toolchain renamed to trellis
Florent Kermarrec [Mon, 12 Nov 2018 09:47:33 +0000 (10:47 +0100)]
targets/ulx3s,versa_ecp5: prjtrellis toolchain renamed to trellis

6 years agobuild/lattice: import changes from migen
Florent Kermarrec [Mon, 12 Nov 2018 09:23:10 +0000 (10:23 +0100)]
build/lattice: import changes from migen

6 years agotargets/versa_ecp5: increase sys_clk_freq to 50MHz
Florent Kermarrec [Mon, 12 Nov 2018 09:12:10 +0000 (10:12 +0100)]
targets/versa_ecp5: increase sys_clk_freq to 50MHz

6 years agotargets: add versa_ecp5 with sdram (ecp5 soc hat) at 25MHz/no pll
Florent Kermarrec [Mon, 12 Nov 2018 08:45:59 +0000 (09:45 +0100)]
targets: add versa_ecp5 with sdram (ecp5 soc hat) at 25MHz/no pll

6 years agotargets/ulx3s: for now revert to 25MHz clock/no pll
Florent Kermarrec [Mon, 12 Nov 2018 08:44:32 +0000 (09:44 +0100)]
targets/ulx3s: for now revert to 25MHz clock/no pll

6 years agoplatforms/versa_ecp5: add ecp5 soc hat ios
Florent Kermarrec [Mon, 12 Nov 2018 08:43:31 +0000 (09:43 +0100)]
platforms/versa_ecp5: add ecp5 soc hat ios

6 years agoMerge branch 'master' of http://github.com/enjoy-digital/litex
Florent Kermarrec [Mon, 12 Nov 2018 07:12:07 +0000 (08:12 +0100)]
Merge branch 'master' of github.com/enjoy-digital/litex

6 years agoMerge pull request #125 from daveshah1/trellis_sdram
enjoy-digital [Mon, 12 Nov 2018 07:11:57 +0000 (08:11 +0100)]
Merge pull request #125 from daveshah1/trellis_sdram

ecp5 soc hat wip

6 years agoplarforms: rename versa/versaecp55g to versa_ecp3/versa_ecp5
Florent Kermarrec [Mon, 12 Nov 2018 07:06:22 +0000 (08:06 +0100)]
plarforms: rename versa/versaecp55g to versa_ecp3/versa_ecp5

6 years agotargets/ulx3s: get memtest working by disabling sdram refresh
Florent Kermarrec [Fri, 9 Nov 2018 17:27:01 +0000 (18:27 +0100)]
targets/ulx3s: get memtest working by disabling sdram refresh

Will need to be fixed...

6 years agosoc/integration/soc_sdram: allow using axi interface with litedram
Florent Kermarrec [Fri, 9 Nov 2018 14:42:34 +0000 (15:42 +0100)]
soc/integration/soc_sdram: allow using axi interface with litedram

6 years agoboards/platforms: add avalanche polarfire board ios definition
Florent Kermarrec [Thu, 8 Nov 2018 17:24:12 +0000 (18:24 +0100)]
boards/platforms: add avalanche polarfire board ios definition

6 years agoworking on Versa-5G dram
David Shah [Tue, 6 Nov 2018 14:39:25 +0000 (14:39 +0000)]
working on Versa-5G dram

Signed-off-by: David Shah <dave@ds0.me>
6 years agobios/sdram: iterate multiple time for write leveling and add vote to eliminate transc...
Florent Kermarrec [Mon, 5 Nov 2018 17:44:28 +0000 (18:44 +0100)]
bios/sdram: iterate multiple time for write leveling and add vote to eliminate transcients

6 years agotarget/kcu105: add reset button
Florent Kermarrec [Mon, 5 Nov 2018 17:41:49 +0000 (18:41 +0100)]
target/kcu105: add reset button

6 years agoboards/platforms/kcu105: fix sdram/dq pin swap
Florent Kermarrec [Mon, 5 Nov 2018 16:01:42 +0000 (17:01 +0100)]
boards/platforms/kcu105: fix sdram/dq pin swap

6 years agoDebugging ULX3S SDRAM
David Shah [Mon, 5 Nov 2018 11:54:22 +0000 (11:54 +0000)]
Debugging ULX3S SDRAM

Signed-off-by: David Shah <dave@ds0.me>
6 years agobios/sdram: replace DDR3_MR1 constant with DDRX_MR1
Florent Kermarrec [Mon, 5 Nov 2018 09:47:25 +0000 (10:47 +0100)]
bios/sdram: replace DDR3_MR1 constant with DDRX_MR1

6 years agoboards/targets: add kcu105
Florent Kermarrec [Mon, 5 Nov 2018 09:44:50 +0000 (10:44 +0100)]
boards/targets: add kcu105

6 years agoMerge pull request #122 from daveshah1/trellis_ulx3s
enjoy-digital [Fri, 2 Nov 2018 18:59:23 +0000 (19:59 +0100)]
Merge pull request #122 from daveshah1/trellis_ulx3s

Switch Trellis build to use LPF constraints; working on ULX3S

6 years agoMerge pull request #124 from jfng/master
enjoy-digital [Fri, 2 Nov 2018 16:46:04 +0000 (17:46 +0100)]
Merge pull request #124 from jfng/master

build/sim/verilator: don't use --threads when $(THREADS) is unset

6 years agobuild/sim/verilator: don't use --threads when $(THREADS) is unset
Jean-François Nguyen [Fri, 2 Nov 2018 13:22:44 +0000 (14:22 +0100)]
build/sim/verilator: don't use --threads when $(THREADS) is unset

6 years agoboards/platforms/kc705: add user_sma_mgt_refclk
Florent Kermarrec [Thu, 1 Nov 2018 09:52:01 +0000 (10:52 +0100)]
boards/platforms/kc705: add user_sma_mgt_refclk

6 years agoMerge pull request #123 from cr1901/prv32-min
enjoy-digital [Thu, 1 Nov 2018 09:45:32 +0000 (10:45 +0100)]
Merge pull request #123 from cr1901/prv32-min

PicoRV32 Enhancements

6 years agolibbase/crt0-picorv32: Emulate support for a relocatable IRQ vector (hardcoded at...
William D. Jones [Thu, 1 Nov 2018 09:02:04 +0000 (05:02 -0400)]
libbase/crt0-picorv32: Emulate support for a relocatable IRQ vector (hardcoded at synthesis time).

6 years agocpu/picorv32: IRQ vector needs to be moved to 16 bytes after the RESET vector.
William D. Jones [Thu, 1 Nov 2018 06:23:01 +0000 (02:23 -0400)]
cpu/picorv32: IRQ vector needs to be moved to 16 bytes after the RESET vector.

6 years agolibbase/crt0-picorv32: Ensure BSS is cleared on boot.
William D. Jones [Thu, 1 Nov 2018 06:18:03 +0000 (02:18 -0400)]
libbase/crt0-picorv32: Ensure BSS is cleared on boot.

6 years agocores/clock: add with_reset parameter (default to True)
Florent Kermarrec [Wed, 31 Oct 2018 15:23:23 +0000 (16:23 +0100)]
cores/clock: add with_reset parameter (default to True)

In some cases we want to generate the reset externally.

6 years agoulx3s: Connect SDRAM clock
David Shah [Wed, 31 Oct 2018 13:29:35 +0000 (13:29 +0000)]
ulx3s: Connect SDRAM clock

Signed-off-by: David Shah <dave@ds0.me>
6 years agoFix Trellis build; ULX3S demo boots to BIOS
David Shah [Wed, 31 Oct 2018 12:27:05 +0000 (12:27 +0000)]
Fix Trellis build; ULX3S demo boots to BIOS

Signed-off-by: David Shah <dave@ds0.me>
6 years agotrellis: Switch to using LPF for constraints
David Shah [Wed, 31 Oct 2018 11:43:39 +0000 (11:43 +0000)]
trellis: Switch to using LPF for constraints

Signed-off-by: David Shah <dave@ds0.me>
6 years agoboards/platforms/kcu105: add sfp_tx/rx definition
Florent Kermarrec [Wed, 31 Oct 2018 09:48:48 +0000 (10:48 +0100)]
boards/platforms/kcu105: add sfp_tx/rx definition

6 years agocpu/picorv32: Create minimal variant (disable mul/div insns, most speed optimizations).
William D. Jones [Mon, 29 Oct 2018 05:41:02 +0000 (01:41 -0400)]
cpu/picorv32: Create minimal variant (disable mul/div insns, most speed optimizations).

6 years agocpu/picorv32: Extract picorv32 parameters from Instance constructor to facilitate...
William D. Jones [Mon, 29 Oct 2018 04:59:13 +0000 (00:59 -0400)]
cpu/picorv32: Extract picorv32 parameters from Instance constructor to facilitate creating variant CPUs.

6 years agobuild/lattice/prjtrellis: fix default toolchain_path
Florent Kermarrec [Tue, 30 Oct 2018 09:28:12 +0000 (10:28 +0100)]
build/lattice/prjtrellis: fix default toolchain_path

6 years agosoc/cores/spi_flash: add endianness parameter
Florent Kermarrec [Tue, 30 Oct 2018 09:19:21 +0000 (10:19 +0100)]
soc/cores/spi_flash: add endianness parameter

6 years agosoc/interconnect/stream_packet: use reverse_bytes from litex.gen
Florent Kermarrec [Tue, 30 Oct 2018 09:16:55 +0000 (10:16 +0100)]
soc/interconnect/stream_packet: use reverse_bytes from litex.gen

6 years agogen: add common with reverse_bits/reverse_bytes functions
Florent Kermarrec [Tue, 30 Oct 2018 09:15:29 +0000 (10:15 +0100)]
gen: add common with reverse_bits/reverse_bytes functions

6 years agoboards/targets/ulx3s: reduce l2_size
Florent Kermarrec [Tue, 30 Oct 2018 09:14:48 +0000 (10:14 +0100)]
boards/targets/ulx3s: reduce l2_size

6 years agobuild/lattice/prjtrellis: fix typo
Florent Kermarrec [Tue, 30 Oct 2018 09:14:30 +0000 (10:14 +0100)]
build/lattice/prjtrellis: fix typo

6 years agobuild/lattice/prjtrellis: modify generated verilog instead of creating a wrapper...
Florent Kermarrec [Tue, 30 Oct 2018 07:51:23 +0000 (08:51 +0100)]
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.

6 years agobuild/lattice/common: fix LatticeECPXPrjTrellisTristateImpl
Florent Kermarrec [Tue, 30 Oct 2018 07:32:24 +0000 (08:32 +0100)]
build/lattice/common: fix LatticeECPXPrjTrellisTristateImpl

6 years agoMerge pull request #121 from cr1901/patch-3
Tim Ansell [Tue, 30 Oct 2018 03:54:23 +0000 (20:54 -0700)]
Merge pull request #121 from cr1901/patch-3

Update vivado.py

6 years agoUpdate vivado.py
William D. Jones [Tue, 30 Oct 2018 03:43:32 +0000 (23:43 -0400)]
Update vivado.py

Fix regression which caused Vivado to not be run at all.

6 years agoboards/targets: add ulx3s
Florent Kermarrec [Mon, 29 Oct 2018 18:24:28 +0000 (19:24 +0100)]
boards/targets: add ulx3s

6 years agoboards/platforms: add ulx3s
Florent Kermarrec [Mon, 29 Oct 2018 18:23:59 +0000 (19:23 +0100)]
boards/platforms: add ulx3s

6 years agobuild/lattice/prjtrellis: add inout support
Florent Kermarrec [Mon, 29 Oct 2018 18:23:21 +0000 (19:23 +0100)]
build/lattice/prjtrellis: add inout support

6 years agobuild/lattice/common: add tristate support
Florent Kermarrec [Mon, 29 Oct 2018 18:22:04 +0000 (19:22 +0100)]
build/lattice/common: add tristate support

6 years agoboards/targets/versaecp55g_prjtrellis: simple.py example working, specific target...
Florent Kermarrec [Mon, 29 Oct 2018 15:02:25 +0000 (16:02 +0100)]
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

6 years agobuild/lattice/prjtrellis: set default toolchain_path to "/opt/prjtrellis"
Florent Kermarrec [Mon, 29 Oct 2018 14:58:54 +0000 (15:58 +0100)]
build/lattice/prjtrellis: set default toolchain_path to "/opt/prjtrellis"

6 years agoboards/targets/simple: add gateware-toolchain parameter
Florent Kermarrec [Mon, 29 Oct 2018 14:56:46 +0000 (15:56 +0100)]
boards/targets/simple: add gateware-toolchain parameter

6 years agoboards/platforms/versaecp55g: use ftdi serial pins
Florent Kermarrec [Mon, 29 Oct 2018 14:39:51 +0000 (15:39 +0100)]
boards/platforms/versaecp55g: use ftdi serial pins

6 years agobuild/lattice/prjtrellis: test and fix iowrapper multi-bit signals support
Florent Kermarrec [Mon, 29 Oct 2018 12:26:29 +0000 (13:26 +0100)]
build/lattice/prjtrellis: test and fix iowrapper multi-bit signals support

6 years agoMerge branch 'master' of http://github.com/enjoy-digital/litex
Florent Kermarrec [Mon, 29 Oct 2018 10:48:10 +0000 (11:48 +0100)]
Merge branch 'master' of github.com/enjoy-digital/litex

6 years agoboards/targets/versaecp55g: use new iowrapper support, basic led blink and ios working :)
Florent Kermarrec [Mon, 29 Oct 2018 10:46:03 +0000 (11:46 +0100)]
boards/targets/versaecp55g: use new iowrapper support, basic led blink and ios working :)

6 years agobuild/lattice/prjtrellis: generate iowrapper to set constraints and TRELLIS_IO
Florent Kermarrec [Mon, 29 Oct 2018 10:44:31 +0000 (11:44 +0100)]
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.

6 years agogen/fhdl/verilog: set direction to io signals
Florent Kermarrec [Mon, 29 Oct 2018 10:41:04 +0000 (11:41 +0100)]
gen/fhdl/verilog: set direction to io signals

6 years agoMerge pull request #120 from mithro/master
Tim Ansell [Mon, 29 Oct 2018 09:08:20 +0000 (02:08 -0700)]
Merge pull request #120 from mithro/master

litex/build: Always run Vivado.

6 years agolitex/build: Always run Vivado.
Tim 'mithro' Ansell [Mon, 29 Oct 2018 09:04:44 +0000 (02:04 -0700)]
litex/build: Always run Vivado.

When using Yosys for synthesis, still need Vivado for place and route.

6 years agobuild/lattice/prjtrellis: simplify code, remove some workarounds
Florent Kermarrec [Mon, 29 Oct 2018 07:49:32 +0000 (08:49 +0100)]
build/lattice/prjtrellis: simplify code, remove some workarounds

6 years agobuild/xilinx/vivado: fix merge issue
Florent Kermarrec [Mon, 29 Oct 2018 07:26:13 +0000 (08:26 +0100)]
build/xilinx/vivado: fix merge issue

6 years agoboards/targets: add versa ecp55g prjtrellis target (experimental)
Florent Kermarrec [Sun, 28 Oct 2018 16:55:40 +0000 (17:55 +0100)]
boards/targets: add versa ecp55g prjtrellis target (experimental)

6 years agobuild/lattice: add initial prjtrellis support
Florent Kermarrec [Sun, 28 Oct 2018 16:51:16 +0000 (17:51 +0100)]
build/lattice: add initial prjtrellis support

6 years agobuild/lattice/diamond: use bash on linux
Florent Kermarrec [Sun, 28 Oct 2018 14:40:52 +0000 (15:40 +0100)]
build/lattice/diamond: use bash on linux

6 years agobuild/lattice: improve special_overrides names (vendor_family)
Florent Kermarrec [Sun, 28 Oct 2018 14:40:10 +0000 (15:40 +0100)]
build/lattice: improve special_overrides names (vendor_family)

6 years agoMerge pull request #114 from mithro/xilinx+yosys
enjoy-digital [Sun, 28 Oct 2018 14:00:06 +0000 (15:00 +0100)]
Merge pull request #114 from mithro/xilinx+yosys

WIP: Allow Yosys to be used for synthesis with Vivado

6 years agoMerge branch 'master' into xilinx+yosys
enjoy-digital [Sun, 28 Oct 2018 13:59:03 +0000 (14:59 +0100)]
Merge branch 'master' into xilinx+yosys

6 years agoMerge pull request #118 from mithro/uart-sync
enjoy-digital [Sun, 28 Oct 2018 07:02:22 +0000 (08:02 +0100)]
Merge pull request #118 from mithro/uart-sync

uart: Enable buffering the FIFO.

6 years agouart: Enable buffering the FIFO.
Tim 'mithro' Ansell [Sat, 27 Oct 2018 23:02:53 +0000 (16:02 -0700)]
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.

6 years agoREADME: improve instructions for litex_sim
Florent Kermarrec [Sat, 27 Oct 2018 09:06:53 +0000 (11:06 +0200)]
README: improve instructions for litex_sim

6 years agobuild/sim/verilator: don't use THEADS parameters when threads=1
Florent Kermarrec [Sat, 27 Oct 2018 09:06:34 +0000 (11:06 +0200)]
build/sim/verilator: don't use THEADS parameters when threads=1

Allow using old (non multi-threaded) version of Verilator

6 years agosoc_sdram: update litedram
Florent Kermarrec [Fri, 19 Oct 2018 16:37:55 +0000 (18:37 +0200)]
soc_sdram: update litedram

6 years agobios/sdram: s7ddrphy now has bitslip in fabric, show scan for each module/bitslip...
Florent Kermarrec [Thu, 18 Oct 2018 11:42:51 +0000 (13:42 +0200)]
bios/sdram: s7ddrphy now has bitslip in fabric, show scan for each module/bitslip and remove silent mode

6 years agobuild/xilinx/vivado: enable xpm libraries
Florent Kermarrec [Thu, 18 Oct 2018 07:25:34 +0000 (09:25 +0200)]
build/xilinx/vivado: enable xpm libraries

6 years agosoc/cores/clock: add margin parameter to create_clkout (default = 1%)
Florent Kermarrec [Tue, 16 Oct 2018 12:57:37 +0000 (14:57 +0200)]
soc/cores/clock: add margin parameter to create_clkout (default = 1%)

6 years agobios/sdram: improve write/read leveling
Florent Kermarrec [Wed, 10 Oct 2018 08:42:56 +0000 (10:42 +0200)]
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)

6 years agoplatforms/kc705: add ddram_dual_rank
Florent Kermarrec [Tue, 9 Oct 2018 13:39:03 +0000 (15:39 +0200)]
platforms/kc705: add ddram_dual_rank

6 years agobios/main: handle all types of carriage return (\r, \n, \r\n or \n\r)
Florent Kermarrec [Tue, 9 Oct 2018 08:06:32 +0000 (10:06 +0200)]
bios/main: handle all types of carriage return (\r, \n, \r\n or \n\r)

6 years agoMerge pull request #116 from stffrdhrn/sim-uart
enjoy-digital [Tue, 9 Oct 2018 05:32:31 +0000 (07:32 +0200)]
Merge pull request #116 from stffrdhrn/sim-uart

sim: serial: Send '\r\n' instead of just '\n'

6 years agosim: serial: Send '\r\n' instead of just '\n'
Stafford Horne [Tue, 9 Oct 2018 02:16:05 +0000 (11:16 +0900)]
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)

6 years agocpu_interface: fix select_triple when only one specified
Florent Kermarrec [Mon, 8 Oct 2018 15:01:04 +0000 (17:01 +0200)]
cpu_interface: fix select_triple when only one specified

6 years agosoc/integration/cpu_interface: generate error if unable to find any of the cross...
Florent Kermarrec [Sat, 6 Oct 2018 19:32:38 +0000 (21:32 +0200)]
soc/integration/cpu_interface: generate error if unable to find any of the cross compilation toolchains

6 years agosoc_core: add csr range check
Florent Kermarrec [Sat, 6 Oct 2018 18:55:16 +0000 (20:55 +0200)]
soc_core: add csr range check

6 years agobuild.xilinx: Convert attributes to something Yosys understands.
Tim 'mithro' Ansell [Fri, 5 Oct 2018 19:48:30 +0000 (12:48 -0700)]
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
https://github.com/YosysHQ/yosys/commit/115ca576475a2e8d30e63b339ae6a1b5db6906a6)

6 years agoMerge pull request #112 from cr1901/8k-b-evn
enjoy-digital [Thu, 4 Oct 2018 19:12:33 +0000 (21:12 +0200)]
Merge pull request #112 from cr1901/8k-b-evn

build/platforms: Add ice40_hx8k_b_evn from Migen.

6 years agoMerge pull request #113 from stffrdhrn/litex-trivial
enjoy-digital [Thu, 4 Oct 2018 14:25:11 +0000 (16:25 +0200)]
Merge pull request #113 from stffrdhrn/litex-trivial

Litex trivial

6 years agoFix help for or1k builds
Stafford Horne [Thu, 4 Oct 2018 14:09:49 +0000 (23:09 +0900)]
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.

6 years agoFix compiler warnings from GCC 8.1
Stafford Horne [Thu, 4 Oct 2018 14:07:48 +0000 (23:07 +0900)]
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()

6 years agobuild/xilinx/common: update XilinxDDRInputImplS7 and XilinxDDRInputImplKU (from migen)
Florent Kermarrec [Thu, 4 Oct 2018 06:17:44 +0000 (08:17 +0200)]
build/xilinx/common: update XilinxDDRInputImplS7 and XilinxDDRInputImplKU (from migen)

6 years agoxilinx/viviado: Allow yosys for synthesis.
Tim 'mithro' Ansell [Thu, 4 Oct 2018 04:58:03 +0000 (21:58 -0700)]
xilinx/viviado: Allow yosys for synthesis.

6 years agocpu/mor1kx: Adding verilog include directory.
Tim 'mithro' Ansell [Thu, 4 Oct 2018 04:57:24 +0000 (21:57 -0700)]
cpu/mor1kx: Adding verilog include directory.