45nm_Fall2022.mdwn

   1 # Specs for 2022 SOC
   2
   3 ## Devices
   4  - 4 Core POWER CPU
   5  - SimpleV GPU
   6  - BMC
   7  - IOMMU
   8  - Coherent Accelerator Processor Proxy (CAPP) functional unit
   9  - PCIE Controller
  10    - places packets on SERDES PCIE lanes
  11    - recovers clock and detects skew
  12
  13 ## Interfaces
  14
  15 ### Advanced
  16
  17  - SERDES - 10rx, 14tx
  18    - 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
  19    - 2tx, 2rx for ethernet
  20    - 4tx, 4rx for PCIE and other CAPI devices
  21    - 3tx for HDMI
  22  - [OpenFSI](https://openpowerfoundation.org/?resource_lib=field-replaceable-unit-fru-service-interface-fsi-openfsi-specification) instead of JTAG
  23    - [Raptor HDL](https://gitlab.raptorengineering.com/raptor-engineering-public/lpc-spi-bridge-fpga)
  24    - [Raptor Libsigrok](https://gitlab.raptorengineering.com/raptor-engineering-public/dsview/-/tree/master/libsigrokdecode4DSL/decoders/fsi)
  25  - USB - [Luna USB](https://github.com/greatscottgadgets/luna)
  26 with [USB3300 PHY](https://www.microchip.com/wwwproducts/en/USB3300#datasheet-toggle) (Tested max at 333MB/s with Luna on ECP5)
  27
  28 ### Basic
  29
  30 These should be easily doable with LiteX.
  31
  32 * [[shakti/m_class/UART]]
  33 * [[shakti/m_class/I2C]]
  34 * [[shakti/m_class/GPIO]]
  35 * [[shakti/m_class/SPI]]
  36 * [[shakti/m_class/QSPI]]
  37 * [[shakti/m_class/LPC]]
  38 * [[shakti/m_class/EINT]]
  39
  40 ## Protocols
  41  - IPMT over i2c to talk to the BMC
  42    - [Intel Spec Sheet](https://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/second-gen-interface-spec-v2.pdf)
  43    - [RaptorCS HDL](https://gitlab.raptorengineering.com/raptor-engineering-public/lpc-spi-bridge-fpga/blob/master/ipmi_bt_slave.v)
  44  - Bootloader over LPC to Flexver
  45    - [Whitepaper](https://www.raptorengineering.com/TALOS/documentation/flexver_intro.pdf)