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  • B4860QDS is a high-performance computing evaluation, development and
    test platform supporting the B4860 QorIQ Power Architecture processor.

    B4860QDS Overview
    ------------------
    - DDRC1: Ten separate DDR3 parts of 16-bit to support 72-bit (ECC) at 1866MT/s,
    ECC, 4 GB of memory in two ranks of 2 GB.
    - DDRC2: Five separate DDR3 parts of 16-bit to support 72-bit (ECC) at 1866MT/s, ECC, 2 GB of memory. Single rank.
    - SerDes 1 multiplexing: Two Vitesse (transmit and receive path) cross-point
    16x16 switch VSC3316
    - SerDes 2 multiplexing: Two Vitesse (transmit and receive path) cross-point
    8x8 switch VSC3308
    - USB 2.0 ULPI PHY USB3315 by SMSC supports USB port in host mode.
    - B4860 UART port is available over USB-to-UART translator USB2SER or over
    RS232 flat cable.
    - A Vitesse dual SGMII phy VSC8662 links the B4860 SGMII lines to 2xRJ-45 copper
    connectors for Stand-alone mode and to the 1000Base-X over AMC MicroTCA
    connector ports 0 and 2 for AMC mode.
    - The B4860 configuration may be loaded from nine bits coded reset
    configuration reset source. The RCW source is set by appropriate
    DIP-switches:
    - 16-bit NOR Flash / PROMJet
    - QIXIS 8-bit NOR Flash Emulator
    - 8-bit NAND Flash
    - 24-bit SPI Flash
    - Long address I2C EEPROM
    - Available debug interfaces are:
    - On-board eCWTAP controller with ETH and USB I/F
    - JTAG/COP 16-pin header for any external TAP controller
    - External JTAG source over AMC to support B2B configuration
    - 70-pin Aurora debug connector
    - QIXIS (FPGA) logic:
    - 2 KB internal memory space including
    - IDT840NT4 clock synthesizer provides B4860 essential clocks : SYSCLK,
    DDRCLK1, 2 and RTCCLK.
    - Two 8T49N222A SerDes ref clock devices support two SerDes port clocks
    - total four refclk, including CPRI clock scheme

    Signed-off-by: York Sun
    Signed-off-by: Prabhakar Kushwaha
    Signed-off-by: Shaveta Leekha
    Signed-off-by: Priyanka Jain
    Signed-off-by: Poonam Aggrwal
    Signed-off-by: Roy Zang
    Signed-off-by: Sandeep Singh
    Signed-off-by: Andy Fleming

    York Sun