Qoriq LS-2 Family Fact Sheet (pdf) - Freescale Semiconductor

Target Applications
The QorIQ LS-2 family features dual highperformance
ARM Cortex-A15 cores
together with an optimized blend of
advanced I/O capabilities. This combination
delivers industry-leading security and IP
forwarding with an advanced integration
level that enables customers to reduce
BOM costs and accelerate time to market
for next-generation networking applications,
including:
• Multiservice routers
• Residential gateways
• Security appliances
• WLAN enterprise access points (EAPs)
• Industrial communications
• Robotics
QorIQ Communications Processors Built on Layerscape Architecture
QorIQ LS-2 Family
Overview
The QorIQ LS-2 family is built on our next-generation platform based on
Layerscape architecture, the industry’s first software-aware, core-agnostic
networking architecture to deliver unprecedented efficiency and scalability.
At less than 5W total power, the LS-2 family delivers CoreMark ® performance
of over 10,000 in a low-cost package for fan-less applications. Key highlights of
the family include the new Layerscape architecture, dual ARM ® Cortex-A15
cores, virtualization support, advanced security features and upgraded high-speed
interconnects.
QorIQ LS-2 Family Block Diagram
QorIQ LS-2 Family Block Diagram
System Control
Internal Boot ROM
Security Monitor
Power Management
DMA
System Interfaces
NAND Flash Control
1x USB 3.0 w/PHY
1x USB 2.0 w/PHY
Advanced Audio
4x FlexCAN
6x UART
3x I2C, 2x SPI
2x TDM
2x SDMMC
QSPI, 2x SATA 3.0,
LCDC
32 KB
D-Cache
General-Purpose Processing Layer (GPPL)
ARM ® Cortex-A15 Core
1024 KB Coherent L2 Cache
Accelerated Packet Processing Layer (APPL)
Express Packet I/O Layer (EPIL)
1G
32 KB
I-Cache
Coherent Interconnect
8-Lane SerDes
8/16/32/64-bit
DDR3/3L/4
Memory Controller
PCI Express ® 2.0

Layerscape Architecture
An evolution of our Data Path Acceleration
Architecture, Layerscape is a modular,
programmable system architecture that
maximizes performance and power efficiency
for all classes of applications across all nodes
of the network. Layerscape architecture
offers accelerated packet processing through
independent processing of data and control
functions. It is comprised of three layers which
are independently selectable and scalable to
meet various networking product demands,
reducing interference of heterogeneous traffic
between layers and achieving unprecedented
performance/power efficiency.
With a consistent platform architecture,
Layerscape features a comprehensive
enablement model focused on ease of
programmability. The high-level languagebased
programming model with standard
tools and constructs delivers a solution with
extreme programming flexibility and scale to
enable the ultimate real-time, “soft” control
over the network. This results in faster time
to market, lower cost of development and
protection of software investment costs over
multiple generations.
Core Complex
The QorIQ LS-2 family integrates dual ARM
Cortex-A15 cores and shares virtualization
support as well as software and pin
compatibility with LS-1 family devices which
integrate dual ARM Cortex-A7 cores. The
dual ARM Cortex-A15 processor cores in
LS-2 products each feature 32 KB of L1
instruction and data cache, and share up to
1 MB of coherent L2 cache. The DDR
memory controller supports type 3, 3L and 4
memory devices at up to 1333 MHz.
System Interfaces and
Networking
An eight-lane SerDes provides support for
multi-protocol high-speed interfaces, including
up to five Gigabit Ethernet ports with IEEE ®
1588 support, DMA controlled PCI Express ®
generation 2.0 ports and dual SATA 3.0 ports.
Also featured are USB 3.0 and 2.0 controllers
QorIQ LS-2 Family Features
General-Purpose
Processing Layer
with integrated PHYs. Additional interfaces
include multiple CAN ports for industrial
applications, six UARTs, triple I2C and dual
SPI ports.
Scalability
A key advantage of QorIQ processors built
on Layerscape architecture is the complete
compatibility of features such as virtualization
and cache coherency, as well as ISA between
the LS-1 and LS-2 families. This, together
with pin-compatibility between LS-1 and LS-2
products, enables customers to simply and
smoothly migrate applications between these
next-generation QorIQ families.
Software and Development Tools
The Layerscape architecture software model
supports the heterogeneous compute initiative
to hide accelerator complexity by offering
autonomous offload and enabling constructs
for seamless task migration as well as efficient
communication between layers. By providing
industry standard Linux ® development
tools and a full-featured Linux environment,
Freescale provides a rich development
environment and enables solutions to be
quickly brought to market. In addition,
• Dual ARM ® Cortex-A15 cores with frequencies up to 1.5 GHz
• 32 KB instruction and data L1 cache
• Up to 1024 KB coherent L2 cache
• Independently power gated to save power when both cores are not in use
• DDR 3/3L/4 up to 1333 MHz
• 8/16/32/64-bit data bus w/ECC
• SEC
• Additional features and capabilities vary by device
Accelerated Packet
Processing Layer
Express Packet I/O Layer • Up to 5x Gigabit Ethernet
• IEEE ® 1588, EEE
• 8-lane SerDes
• MII, RGMII, SGMII and QSGMII
• 3x PCI Express ® Gen2
System Control • Internal boot ROM
• Secure boot and Freescale trust architecture
• Security monitor
• Advanced power management
• DMA
System Interfaces • NAND flash control
• 2x SATA 3 (8-lane SerDes shared with PCI Express)
• 2x SGMII and QSGMII
• 2x USB2 and 1x USB3 with integrated PHYs
• µQE-ULite (UART, HDLC and TDM)
• Advanced audio: 3x SAI, SPDIF, ASRC, PWM
• 6x UARTs, 3x I2C, 2x SPI, 2x TDM, 2x µSDHC, Quad SPI and misc.
the CodeWarrior Development Studio
integrated development environment provides
a highly visual and automated framework
to accelerate the development of the most
complex embedded applications, allowing
developers to quickly start leveraging the lowpower,
high-performance architecture.
For customer evaluation, the QorIQ LS-2
family offers two low-cost reference design
kits, including the modular Freescale Tower
System. Evaluation kits include a Linux
3.x BSP with optimized drivers to support
peripherals, a quick start guide and a sixmonth
evaluation license for CodeWarrior
development tools.
Ecosystem
For more information, please visit freescale.com/QorIQ
The QorIQ LS-2 family devices are supported
by our extensive third-party ecosystem,
the largest and most established in the
communications market. In conjunction
with our expertise and worldwide support
infrastructure, the ecosystem will help
customers accelerate their migration from
both competitive solutions and from legacy
Freescale devices, preserve investment costs
and reduce time to market.
Freescale, the Freescale logo, CodeWarrior and QorIQ are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off.
ARM is a registered trademark of ARM Limited. ARM Cortex-A7 and Cortex-A15 are trademarks of ARM Limited.
All other product or service names are the property of their respective owners. ©2012 Freescale Semiconductor, Inc.
Document Number: QORIQLS2FAMILYFS REV 0