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Luke Kenneth Casson Leighton [Mon, 28 Mar 2022 14:12:25 +0000 (15:12 +0100)]
work through the CSns to give the appearance of having a larger hyperram
memory when in fact, when one IC runs out of address space the next
one is activated. this is not particularly fast but it is simple
and functional
Luke Kenneth Casson Leighton [Mon, 28 Mar 2022 12:57:02 +0000 (13:57 +0100)]
add cs_latch as a peer of bus_latch in case the address changes
add a "ck_active" signal in hyperram.py
Luke Kenneth Casson Leighton [Mon, 28 Mar 2022 11:36:06 +0000 (12:36 +0100)]
minor simplification of hyperram: using constants
in m.If(test) can be done as plain python "if(test)"
Luke Kenneth Casson Leighton [Mon, 28 Mar 2022 11:27:38 +0000 (12:27 +0100)]
extend cs in hyperram to multiple bits
Luke Kenneth Casson Leighton [Sun, 27 Mar 2022 15:56:26 +0000 (16:56 +0100)]
update code-comments
Luke Kenneth Casson Leighton [Sun, 27 Mar 2022 12:07:42 +0000 (13:07 +0100)]
add reset pad to hyperram, should be set externally
Luke Kenneth Casson Leighton [Sat, 26 Mar 2022 22:37:24 +0000 (22:37 +0000)]
hyperram CS inverted (corrected)
Luke Kenneth Casson Leighton [Sat, 26 Mar 2022 21:20:15 +0000 (21:20 +0000)]
sort out hyperram ports down to test class
Luke Kenneth Casson Leighton [Fri, 25 Mar 2022 17:37:03 +0000 (17:37 +0000)]
fix attributes, sort out address
Luke Kenneth Casson Leighton [Sat, 19 Mar 2022 12:34:57 +0000 (12:34 +0000)]
rename hyperram clk pads to "ck"
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 12:51:30 +0000 (12:51 +0000)]
cleanup
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 12:51:25 +0000 (12:51 +0000)]
add ports function to HyperRAMPHY
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 12:45:41 +0000 (12:45 +0000)]
rename TestHyperRAMPHY to just HyperRAMPHY
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 12:41:04 +0000 (12:41 +0000)]
move HyperRAMPads and Test PHY to hyperram.py module
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 09:16:24 +0000 (09:16 +0000)]
remove redundant implementation of migen "timeline"
(this is the 2nd copy seen in the wild, the other is in GRAM by Jean-Thomas)
Luke Kenneth Casson Leighton [Fri, 18 Mar 2022 09:15:32 +0000 (09:15 +0000)]
document useful "add_extension" for HyperRAM PMODs
Luke Kenneth Casson Leighton [Wed, 16 Mar 2022 20:20:50 +0000 (20:20 +0000)]
update HyperRAM module and add unit test
Luke Kenneth Casson Leighton [Tue, 15 Mar 2022 10:06:48 +0000 (10:06 +0000)]
add first version of hyperram.py
Jean-François Nguyen [Fri, 29 Oct 2021 21:31:18 +0000 (23:31 +0200)]
examples/minerva_soc: fix typo.
Jean-François Nguyen [Fri, 29 Oct 2021 18:36:52 +0000 (20:36 +0200)]
sim.blackboxes.serial: add missing Verilog blackbox.
Jean-François Nguyen [Fri, 29 Oct 2021 18:24:11 +0000 (20:24 +0200)]
cores.litedram: add device to generated YAML configuration.
Also, fix wrong build product path.
Jean-François Nguyen [Fri, 29 Oct 2021 18:22:26 +0000 (20:22 +0200)]
test: fix broken tests.
Jean-François Nguyen [Fri, 29 Oct 2021 18:21:24 +0000 (20:21 +0200)]
Add LiteEth support.
Jean-François Nguyen [Fri, 29 Oct 2021 17:31:23 +0000 (19:31 +0200)]
soc.cpu: generate BIOS configuration from SoC constants.
Also, merge examples/{sdram,sram}_soc as minerva_soc.
Jean-François Nguyen [Fri, 29 Oct 2021 16:55:33 +0000 (18:55 +0200)]
periph.serial: add PHY as parameter, in order to use a blackbox.
Jean-François Nguyen [Fri, 29 Oct 2021 16:42:02 +0000 (18:42 +0200)]
periph: conform with nmigen-soc breaking changes.
* use window names for CSR banks and bus interfaces.
* do not assign a memory map at window creation (doing so would freeze the
memory map)
* use ResourceInfo when dumping resources.
Jean-François Nguyen [Fri, 29 Oct 2021 16:27:16 +0000 (18:27 +0200)]
cores.litedram: remove name_force parameter from Core constructor.
It was previously moved to Core.build().
Jean-François Nguyen [Fri, 29 Oct 2021 16:25:35 +0000 (18:25 +0200)]
cores.litedram: add SDR DRAM type.
Jean-François Nguyen [Fri, 29 Oct 2021 16:21:52 +0000 (18:21 +0200)]
Add support for configuration constants.
Jean-François Nguyen [Fri, 29 Oct 2021 14:41:22 +0000 (16:41 +0200)]
cores.pll: add PLL generators for Lattice ECP5 and Xilinx 7 Series.
Jean-François Nguyen [Fri, 29 Oct 2021 12:10:08 +0000 (14:10 +0200)]
sim.blackboxes: add serial blackbox, with a serial_pty driver.
Jean-François Nguyen [Fri, 29 Oct 2021 12:08:53 +0000 (14:08 +0200)]
sim: add CXXRTL integration.
Jean-François Nguyen [Thu, 1 Jul 2021 13:49:17 +0000 (15:49 +0200)]
examples/sdram_soc: reduce L1 sizes to 1KB to meet timing.
Jean-François Nguyen [Thu, 1 Jul 2021 12:33:33 +0000 (14:33 +0200)]
software/bios: bump version.
Also, pin LiteX dependencies to the revision used by lambdasoc-bios.
Jean-François Nguyen [Wed, 30 Jun 2021 16:02:28 +0000 (18:02 +0200)]
setup.py,requirements.txt: add LiteX dependencies.
Jean-François Nguyen [Wed, 30 Jun 2021 15:41:47 +0000 (17:41 +0200)]
examples/sram_soc: fix platform paremeter help.
Jean-François Nguyen [Wed, 30 Jun 2021 15:40:57 +0000 (17:40 +0200)]
examples/{sram,sdram}_soc: add --build-dir parameter.
Jean-François Nguyen [Wed, 30 Jun 2021 15:36:34 +0000 (17:36 +0200)]
examples/sdram_soc: add --platform parameter.
Jean-François Nguyen [Tue, 29 Jun 2021 16:39:59 +0000 (18:39 +0200)]
cores.litedram: move memory map population to _populate_ctrl_map().
Jean-François Nguyen [Tue, 29 Jun 2021 16:37:35 +0000 (18:37 +0200)]
cores.litedram: move name conflict detection to the builder.
Jean-François Nguyen [Mon, 28 Jun 2021 18:27:45 +0000 (20:27 +0200)]
Add SDRAMPeripheral and SDRAMSoC example.
Jean-François Nguyen [Mon, 28 Jun 2021 17:56:47 +0000 (19:56 +0200)]
soc.base: add support for adding user-provided template parameters.
Jean-François Nguyen [Mon, 28 Jun 2021 17:49:27 +0000 (19:49 +0200)]
soc.base: add socproperty(weak=True) for optional properties.
Jean-François Nguyen [Mon, 28 Jun 2021 15:45:48 +0000 (17:45 +0200)]
cores: add LiteDRAM core.
Jean-François Nguyen [Mon, 28 Jun 2021 14:27:39 +0000 (16:27 +0200)]
tools.flterm: warn and continue after failed TIOCMBIC ioctl.
Jean-François Nguyen [Mon, 28 Jun 2021 14:19:13 +0000 (16:19 +0200)]
periph.serial: update default rx_depth value to 256.
This is allows the RX FIFO to buffer a complete SFL frame, to avoid a
race condition during a serialboot at a high baudrate.
Jean-François Nguyen [Mon, 28 Jun 2021 14:18:10 +0000 (16:18 +0200)]
periph.serial: use buffered FIFOs to help BRAM inference.
Jean-François Nguyen [Mon, 28 Jun 2021 14:16:15 +0000 (16:16 +0200)]
test.test_periph_serial: fix loopback test.
Jean-François Nguyen [Mon, 28 Jun 2021 13:47:15 +0000 (15:47 +0200)]
test: _wishbone.py → utils/wishbone.py
Jean-François Nguyen [Mon, 28 Jun 2021 13:42:45 +0000 (15:42 +0200)]
test: move to sim = Simulator(dut) instead of context manager.
Jean-François Nguyen [Tue, 8 Jun 2021 12:53:50 +0000 (14:53 +0200)]
setup.py: update dependencies.
Also, add nmigen to requirements.txt.
Jean-François Nguyen [Tue, 8 Jun 2021 12:49:21 +0000 (14:49 +0200)]
software/bios: bump version.
Jean-François Nguyen [Tue, 1 Jun 2021 19:07:53 +0000 (21:07 +0200)]
setup.py: do not install package as a zip file.
Jean-François Nguyen [Tue, 1 Jun 2021 19:07:29 +0000 (21:07 +0200)]
MANIFEST.in: fix compiler-rt path.
Jean-François Nguyen [Tue, 18 May 2021 17:16:27 +0000 (19:16 +0200)]
periph.base: use bridge granularity as CSR bus data width.
Jean-François Nguyen [Tue, 18 May 2021 17:11:39 +0000 (19:11 +0200)]
periph.event: clear pending bits of level-triggered events.
Jean-François Nguyen [Mon, 31 May 2021 17:29:15 +0000 (19:29 +0200)]
software/bios: bump version.
Fixes #9
Jean-François Nguyen [Tue, 16 Jun 2020 11:41:44 +0000 (13:41 +0200)]
Merge pull request #4 from jeanthom/fix-base-soc
Fix ConfigBuilder instantiation in SoC base class
Jean-François Nguyen [Tue, 16 Jun 2020 11:38:25 +0000 (13:38 +0200)]
Merge pull request #3 from jeanthom/master
Throw exception if two CSR in the same bank have the same name
Jean THOMAS [Mon, 15 Jun 2020 09:13:09 +0000 (11:13 +0200)]
Fix ConfigBuilder instantiation in SoC base class
Jean THOMAS [Mon, 8 Jun 2020 11:23:48 +0000 (13:23 +0200)]
Throw exception if two CSR have the same name
Jean-François Nguyen [Fri, 24 Apr 2020 10:27:04 +0000 (12:27 +0200)]
Use HTTPS for lambdasoc-bios submodule URL.
Fixes #1.
Jean-François Nguyen [Thu, 9 Apr 2020 16:38:23 +0000 (18:38 +0200)]
soc.cpu: log build output to stderr
Jean-François Nguyen [Mon, 30 Mar 2020 15:18:30 +0000 (17:18 +0200)]
README: fix install instructions
Jean-François Nguyen [Mon, 30 Mar 2020 15:12:20 +0000 (17:12 +0200)]
Move non-PyPI dependencies to requirements.txt
Jean-François Nguyen [Mon, 30 Mar 2020 15:04:09 +0000 (17:04 +0200)]
MANIFEST: fix non-directory includes
Jean-François Nguyen [Mon, 30 Mar 2020 13:38:03 +0000 (15:38 +0200)]
Add software/bios to MANIFEST.in
Jean-François Nguyen [Mon, 30 Mar 2020 12:41:05 +0000 (14:41 +0200)]
Add README and LICENSE
Jean-François Nguyen [Mon, 30 Mar 2020 11:59:25 +0000 (13:59 +0200)]
tools: add flterm
Jean-François Nguyen [Thu, 26 Mar 2020 12:40:29 +0000 (13:40 +0100)]
examples: add sram_soc example
Jean-François Nguyen [Thu, 26 Mar 2020 11:27:02 +0000 (12:27 +0100)]
soc.cpu: add CPUSoC and BIOSBuilder
Jean-François Nguyen [Thu, 26 Mar 2020 11:15:24 +0000 (12:15 +0100)]
soc.base: add SoC and ConfigBuilder
Jean-François Nguyen [Thu, 26 Mar 2020 09:00:07 +0000 (10:00 +0100)]
cpu: add MinervaCPU
Jean-François Nguyen [Wed, 25 Mar 2020 18:00:38 +0000 (19:00 +0100)]
Add .gitignore
Jean-François Nguyen [Wed, 25 Mar 2020 16:41:41 +0000 (17:41 +0100)]
periph.intc: add GenericInterruptController
Jean-François Nguyen [Wed, 25 Mar 2020 14:51:57 +0000 (15:51 +0100)]
periph.serial: add AsyncSerialPeripheral
Jean-François Nguyen [Wed, 25 Mar 2020 13:24:04 +0000 (14:24 +0100)]
periph._event → periph.event
Jean-François Nguyen [Wed, 25 Mar 2020 12:28:16 +0000 (13:28 +0100)]
periph.sram: add SRAMPeripheral
Jean-François Nguyen [Wed, 25 Mar 2020 12:22:08 +0000 (13:22 +0100)]
periph.timer: add TimerPeripheral
Jean-François Nguyen [Wed, 25 Mar 2020 11:54:45 +0000 (12:54 +0100)]
periph: add Peripheral base class
Jean-François Nguyen [Wed, 25 Mar 2020 11:50:08 +0000 (12:50 +0100)]
Add setup.py
Jean-François Nguyen [Fri, 13 Mar 2020 19:28:48 +0000 (20:28 +0100)]
Initial commit