X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=45nm_Fall2022.mdwn;h=a73ed396e80e9c17dec382a624d1c7ff19287777;hb=a175a4756f5b4e1350d2099c3f0aae4954b337ed;hp=4bd6b5d149f563aa9036ac4cc46f4846bd95996a;hpb=3f456a77e5fd92bd4011cf6a4e8c8bc47d3d30b2;p=libreriscv.git diff --git a/45nm_Fall2022.mdwn b/45nm_Fall2022.mdwn index 4bd6b5d14..a73ed396e 100644 --- a/45nm_Fall2022.mdwn +++ b/45nm_Fall2022.mdwn @@ -6,17 +6,19 @@ hopefully completed by Fall 2022. - Given that POWER CPUs do not have GPUs, RaptorCS would like the LibreSOC to be able function as a -GPU in PCIE slave mode. +discrete GPU in PCIE slave mode for POWER9 CPUs. - Lastly, RaptorCS would like to manufacture single board computers. ## Devices - 4 Core POWER CPU - - SimpleV GPU - - Also enable frame buffer slave mode to allow outputting to [BMC](https://www.aspeedtech.com/products.php?fPath=20&rId=440) for debugging + - SimpleV Capability and GPU Instructions - IOMMU - Coherent Accelerator Processor Proxy (CAPP) functional unit - - PCIE host Controller + - PCIe host Controller + - PCIe Slave controller(RaptorCS wants to use LibreSOC as a GPU on their POWER mobos) + - BMC - enables LibreSOC to become a discrete GPU with video output and ethernet. + - RGB/TTL framebuffer VGA/LCD PHY from Richard Herveille, RoaLogic. ## Interfaces @@ -25,8 +27,8 @@ board computers. - SERDES - 10rx, 14tx - 4tx, 4rx for [OMI(DDR4](https://openpowerfoundation.org/wp-content/uploads/2018/10/Jeff-Steuchli.OpenCAPI-OPS-OMI.pdf) on top of SERDES with OpenCAPI protocol) @5GHz - 2tx, 2rx for ethernet - - 4tx, 4rx for PCIE and other CAPI devices - - 3tx for HDMI + - 4tx, 4rx for PCIe and other CAPI devices + - 3tx for HDMI (note: requires HDMI Trademark Licensing and Compliance Testing) - [OpenFSI](https://openpowerfoundation.org/?resource_lib=field-replaceable-unit-fru-service-interface-fsi-openfsi-specification) instead of JTAG - [Raptor HDL](https://gitlab.raptorengineering.com/raptor-engineering-public/lpc-spi-bridge-fpga) - [Raptor Libsigrok](https://gitlab.raptorengineering.com/raptor-engineering-public/dsview/-/tree/master/libsigrokdecode4DSL/decoders/fsi) @@ -44,6 +46,7 @@ These should be easily doable with LiteX. * [[shakti/m_class/QSPI]] * [[shakti/m_class/LPC]] * [[shakti/m_class/EINT]] +* [[shakti/m_class/RGBTTL]] in conjunction with TI TFP410a or Chrontel converter ## Protocols - IPMT over i2c to talk to the BMC