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maksyuki 71d52f357e feat: Add support for SKY130 OpenRAM SRAM integration
- Introduced  to handle the preparation of the SKY130 OpenRAM SRAM views.
- Updated  to download and prepare the SRAM archive during PDK setup.
- Enhanced OpenSTA and Yosys configurations to accommodate SRAM macro integration.
- Added Verilog simulation models for GF180 and SKY130 SRAM macros.
- Implemented tests for SRAM setup and validation, ensuring correct integration and functionality.
- Updated various Makefiles and scripts to support SRAM size and macro configurations.
2026-08-25 12:55:47 +08:00

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# Notice
This repository includes RTL source files that preserve third-party copyright and attribution notices in their original file headers. These notices are reproduced here for clarity and compliance with the attribution requirements of the retained source files.
The following third-party projects or authors are referenced in the RTL source headers currently present in this repository:
- ETH Zurich and University of Bologna: notices are preserved in several RTL files under rtl/managed/clusterip/, rtl/managed/mpw/core/username7/ibex/, and in rtl/tech/tc_clk.sv.
- PULP Platform HyperBus v0.0.4 at commit 80de8df600edc5d7956a94c9d42f911d6e61efd7: the SHL-0.51 notices and source-file authors are retained in rtl/ip/memory/opipsram_phy.sv, rtl/ip/memory/opipsram_trx.sv, and rtl/tech/tc_opipsram_delay.sv for the adapted OPI PSRAM PHY.
- Ravenna / PicoRV32 in ASIC: notices are preserved in rtl/ip/peripheral/gpio.sv, rtl/ip/peripheral/timer.sv, and rtl/ip/serial/uart.sv.
- Hirosh Dabui: the original copyright notice is preserved in rtl/ip/memory/sdram_core.sv.
- EmbedFire: attribution is preserved in the SPI SD card related files under rtl/ip/storage/.
- Device simulation models: the models under rtl/model/ preserve their upstream
notices, including the Winbond Electronics Corporation notice in the
W25Q128JVxIM model.
- SKY130 OpenRAM SRAM artifact: generated using OpenRAM under BSD-3-Clause and
the SkyWater SRAM build-space under Apache-2.0. Both license texts and the
exact source revisions are retained in the downloaded artifact manifest.
These notices are included solely to preserve attribution for the retained third-party source material. They do not alter the licensing terms of the retroSoC repository itself, which is distributed under the Mulan PSL v2 license.