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M6 440GR/GRx implementation

This course covers AMCC 440GR and 440GRx processors

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Objectives
  • The course explains how to design a 440GRx board.
  • DDR SDRAM operation is described in order to understand both the electrical interface and the memory controller programming.
  • Book E PowerPC architecture is studied through the 440GRx, especially the MMU.
  • The course provides examples of internal peripherals software drivers.
  • Gigabit Ethernet controller is viewed in detail.
  • The training explains how to optimize the internal data paths that exist between PowerPC core, memory and PCI interfaces.

  • A chapter on Linux porting can be appended on request.
Labs are compiled with Diab Data compiler and run under Lauterbach debugger.
A more detailed course description is available on request at training@ac6-training.com
  • Experience of a 32 bit processor or DSP is mandatory.
  • Knowledge of PCI bus is recommended (see our course reference IC1 - PCI 3.0 course).
  • Knowledge of Gigabit Ethernet is recommended, see our course reference N1 - Ethernet and switching course.
  • Theoretical course
    • PDF course material (in English) supplemented by a printed version for face-to-face courses.
    • Online courses are dispensed using the Teams video-conferencing system.
    • The trainer answers trainees' questions during the training and provide technical and pedagogical assistance.
  • At the start of each session the trainer will interact with the trainees to ensure the course fits their expectations and correct if needed
  • Any embedded systems engineer or technician with the above prerequisites.
  • The prerequisites indicated above are assessed before the training by the technical supervision of the traineein his company, or by the trainee himself in the exceptional case of an individual trainee.
  • Trainee progress is assessed by quizzes offered at the end of various sections to verify that the trainees have assimilated the points presented
  • At the end of the training, each trainee receives a certificate attesting that they have successfully completed the course.
    • In the event of a problem, discovered during the course, due to a lack of prerequisites by the trainee a different or additional training is offered to them, generally to reinforce their prerequisites,in agreement with their company manager if applicable.

Course Outline

  • Internal bus organization : dual PLB, OPB, DCR
  • Internal concurrent transfers examples
  • Hardware implementation : pinout, GPIOs configuration
  • Internal SRAM
  • Programming model
  • PLB, OPB and DCR bus features
  • PLB4-to-PLB3 and PLB3-to-PLB4 bridge parameters
  • PLB arbiter, OPB arbiter and PLB4-to-OPB bridge configuration
  • PLB performance monitor
  • Pipeline
  • Internal caches
  • Speculative loads
  • MMU
  • Programming model
  • Branch instructions
  • Addressing modes
  • Integer instructions
  • 16-bit mac instructions
  • Exception management
  • Interrupt processing registers
  • Exception priorities
  • Core timers
  • PowerPC EABI
  • JTAG debug
  • Real time trace
  • Clocking
  • Low power modes
  • Reset signals
  • Initialization software requirements
  • IIC bootstrap controller
  • Interrupt source enumeration
  • Interrupt masking and acknowledgement explanation
  • Critical interrupt handlers using vectorization
  • Interrupts priority
  • General Purpose Timers modes of operation
  • DDR-SDRAM operation
  • Jedec specification basics
  • Differences between DDR1 and DDR2 SDRAMs
  • Command truth table
  • Refresh types
  • Bank activation, read, write and precharge timing diagrams
  • ECC error correction
  • Introduction to the 440GRx DDR-SDRAM controller
  • Initial configuration following Power-on-Reset
  • Address decode
  • Timing parameters programming
  • Initialization routine
  • External bus pinout
  • Dynamic bus sizing
  • Address decoding
  • Boot ROM size definition
  • External bus master interface
  • The NAND Flash controller
  • Direct interfacing to discrete NAND flash devices
  • Inbound transactions handling, Outbound transactions handling
  • Configuration cycles
  • Setting translations between local memory space and PCI MEM space (outbound transactions), and between PCI MEM space and local memory space (inbound transactions)
  • Error handling
  • Overview of the DMA to PLB4 and DMA to PLB3 controllers
  • The buffered transfer mode
  • Burst mode support
  • Channels bus priority
  • Data packing / unpacking
  • Buffers chaining
  • 802.3 specification fundamentals : the 3 layers PHY, MAC and control
  • Frame format with and without VLAN option
  • 440GRx Ethernet controller organization
  • PHY interface : GMII, MII, RGMII, TBI, RTBI, SMII
  • Frame filtering
  • Buffer descriptors mechanism, wrapping
  • Buffer descriptors initialization
  • Interrupt management
  • Errors management
  • UART description
  • The UART frame : break, idle, start, stop
  • Transmission and reception FIFOs use
  • Flow control signals management
  • SPI protocol fundamentals
  • Clock polarity and phase selection
  • Transmit and receive sequences
  • IIC protocol fundamentals : addressing, multimaster operation
  • Transmission and reception sequence
  • Bit rate programmation