P1020NXN2FFB [NXP]
QorIQ, Power Arch 32-Bit SoC, 2 X 667MHz, GbE, DDR2/3 w/ECC, PCIe, USB, TDM, -40 to 125C, R1.1;
| 型号： | P1020NXN2FFB |
| 厂家： | 
NXP |
| 描述： | QorIQ, Power Arch 32-Bit SoC, 2 X 667MHz, GbE, DDR2/3 w/ECC, PCIe, USB, TDM, -40 to 125C, R1.1 PC 双倍数据速率 |
| 文件： | 总16页 (文件大小：497K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Freescale Semiconductor
Product Brief
Document Number: P1020PB
Rev. 0, 11/2008
This document contains
preview information on a new
product that may be in a design
phase or under development.
Freescale reserves the right to
change or discontinue this
product without notice.
QorIQ™ P1020
Integrated Processor
Product Brief
Contents
This document provides an overview of features and
1
Application Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1 Dual-Core Device Application . . . . . . . . . . . . . . . . . 2
1.2 High-Performance Communication System . . . . . . 4
1.3 RAID Controller Application. . . . . . . . . . . . . . . . . . . 4
1.4 SMB Gateway Application. . . . . . . . . . . . . . . . . . . . 5
1.5 WLAN Access Point Application . . . . . . . . . . . . . . . 5
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Critical Performance Parameters . . . . . . . . . . . . . . 6
2.3 Chip-Level Features . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Module Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4.1 e500v2 Cores and Memory Unit . . . . . . . . . 8
2.4.2 e500 Coherency Module (ECM) and Address
Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
functionality of the QorIQ™ P1020 integrated processor.
The P1020 combines dual Power Architecture™ e500v2
processor cores with system logic required for
networking, wireless infrastructure, and
telecommunications applications.
2
The P1020 offers an excellent combination of protocol
and interface support including dual high-performance
CPU cores, an L2 cache, a DDR2/DDR3 memory
controller, three enhanced three-speed Ethernet
controllers with support for SGMII and for
IEEE Std 1588™ precision time protocol for network
synchronization over Ethernet, a TDM interface, two
USB 2.0 interface, an independent SD/MMC card
controller (eSDHC), integrated system performance
monitor, and two PCI Express controllers.
2.4.3 Integrated Security Engine (SEC 3.3.2). . . . 9
2.4.4 Enhanced Three-Speed Ethernet Controllers
(eTSECs) . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.5 Universal Serial Bus (USB) 2.0 . . . . . . . . . 10
2.4.6 DDR SDRAM Controller. . . . . . . . . . . . . . . 11
2.4.7 High Speed I/O Interfaces . . . . . . . . . . . . . 12
2.4.8 Programmable Interrupt Controller (PIC). . 12
2.4.9 Time Division Multiplexing (TDM) Interface 13
2.4.10 Enhanced Secure Digital Host Controller (eS-
DHC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.4.11 DMA, I2C, DUART, and Enhanced Local Bus
Controller (eLBC) . . . . . . . . . . . . . . . . . . . . 13
2.4.12 Device Boot Locations . . . . . . . . . . . . . . . . 14
2.4.13 System Performance Monitor. . . . . . . . . . . 14
Development Environment . . . . . . . . . . . . . . . . . . . . . . . 15
Document Revision History. . . . . . . . . . . . . . . . . . . . . . . 15
3
4
© Freescale Semiconductor, Inc., 2008. All rights reserved.
Preliminary—Subject to Change Without Notice
Application Examples
1
Application Examples
The following section provides block diagrams of different P1020 applications. The P1020 is a very
flexible device and can be configured to meet many system application needs.
Both cores can operate in a symmetric multiprocessing mode to achieve higher performance, or they can
run independent operating systems, each performing separate tasks. This flexibility enables application
developers to assign distinct processing resources to distinct tasks that need guaranteed performance. For
example, one core can manage a data plane and the other a control plane.
The value proposition of a dual-core device is further enhanced by a high degree of peripheral integration
of system controllers such as DDR controllers. A device with faster internal buses can entirely replace the
system controller where a discrete processor without integration was used previously.
1.1
Dual-Core Device Application
There are two main ways to map operating systems to the two P1020 cores:
•
•
Symmetric multiprocessing
Cooperative asymmetric multiprocessing
– Two copies of the same OS that are non-SMP enabled
– Two separate operating systems
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Preliminary—Subject to Change Without Notice
2
Freescale Semiconductor
Application Examples
Figure 1 shows how to use an integrated dual-core device such as the P1020. A line card uses an ASIC or
network processing unit (NPU) for the data path. The ASIC/NPU manages user interfaces on the faceplate
on the left as well as the interface to the backplane on the right. The dual-core device is responsible for the
control plane. The two cores can operate in an SMP configuration, or two separate operating systems can
be used for separate control plane tasks.
P1020
Data Plane
ASIC/NPU
Line Card
P1020
P1020
Management
Port
•
•
•
•
•
•
Services Card
Line Card
PCI Express
Figure 1. Integrated Dual-Core Device Application
The lower line card shows the eTSEC interfaces attach to faceplate connectors, and the PCI Express block
connects to the backplane switch fabric. The CPUs handle both the control and data plane in a variety of
configurations. Two popular alternatives split functionality directionally (one core per direction) or split
functionality vertically (one core handling the data plane, one core handling the control plane).
At the right of the switch fabric is an example service card, which is easily added to a system to add new
features without replacing all the line cards with upgraded ASICs. One service card supports a new feature
set in a centralized scheme, receiving traffic from all line cards, so the high performance of a dual-core
device is required. The PCI Express port connects to the fabric, and the eTSECs implement a management
interface.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
3
Application Examples
1.2
High-Performance Communication System
Figure 2 shows the P1020 as part of a high-end network card used in a system area network that is enabled
by PCI Express.
Server
Two 10/100/1Gb
Ethernet Controllers
Data
Control
P1020
FPGA
ROM
256-Kbyte
Processor
L2 Cache
Memory
Core
Complex
GPCM/UPM/
FCM
DDR
Memory
Block
3x eTSEC
PCI Express
RTC/NVRAM
Memory
Control
PCI Express Backplane
RAID Controller
Figure 2. High-Performance Communication System
1.3
RAID Controller Application
Figure 3 shows the P1020 in a redundant array of independent disks (RAID) controller application.
P1020
256-Kbyte
Processor
L2 Cache
Core
Flash
Memory
Block
Complex
DDR
Memory
3x eTSEC
Descriptor
Memory
PCI Express
Memory
Control
Disk Cache
SCSI
Control
PCI Express
Switch
ASIC
DMA
DDR
Memory
PEX to System
Figure 3. RAID Controller Application Using P1020
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Preliminary—Subject to Change Without Notice
4
Freescale Semiconductor
Application Examples
1.4
SMB Gateway Application
Figure 4 shows a multiservice router or business gateway targeting small-to-medium business customer
premise equipment. The solution enables complete secure data, voice and wireless communications
services in a single easy-to-manage platform.
DDR2/DDR3
SDRAM
Flash
TDM
TDM
SLIC
•
•
•
FXS/FXO
WiFi
MII
SLIC
xDSL
PHY
PEX
WAN
802.11n
P1020
LAN
RGMII
Switch
Integrated
PHYs
SGMII
Figure 4. P1020 SMB Multiservice Gateway Example
1.5
WLAN Access Point Application
Figure 5 shows a high performance WLAN access point application where the CPU provided the complete
data and control path processing needs for multiple MAC/radio interfaces. The P1020 is ideally suited for
this application with its high performance system interfaces and best-in-class performance/watt.
DDR2/DDR3
SDRAM
Flash
RGMII/
SGMII
PEX
PEX
PHY
PHY
802.11n
802.11n
WiFi
WiFi
P1020
RGMII/
SGMII
Figure 5. P1020 WLAN Access Point Example
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
5
Features
2
Features
This section describes the features of the P1020.
2.1
Block Diagram
Figure 6 shows the major functional units within the P1020/P1011.
DDR2/DDR3
SDRAM Controller
Not on P1011
Enhanced
Local Bus Controller
(eLBC)
Power Architecture™
e500 Core
Power Architecture™
e500 Core
Security
Acceleration
256-Kbyte
L2 Cache
32-Kbyte 32-Kbyte
32-Kbyte 32-Kbyte
XOR
Perf Monitor,
L1
I-Cache
L1
D-Cache
L1
I-Cache
L1
D-Cache
DUART, MPIC,
2
2 × I C, Timers
Power
Management
SPI
USB 2.0
SD/MMC
Coherency Module
SystemBus
On-Chip Network
2 × PCI Express 4-ch DMA
3 × Gigabit
TDM
Ethernet
4-lane SERDES
Core
Acceleration
Interface
Figure 6. P1020/P1011 Block Diagram
2.2
Critical Performance Parameters
Critical performance parameters include the following:
•
•
•
•
•
•
•
e500v2 core frequency of up to 800 MHz
Power consumption less than 5.0 W at 800 MHz core speed
45-nm SOI process technology
Data rate of up to 667 Mbps/pin for DDR2 and DDR3
Supply voltage for core/platform: 0.95 V
Operating junction temperature (T ) range: 0–125°C and -40–125°C (industrial specification)
j
31 × 31 mm 689-pin TEPBGA II (temperature-enhanced plastic BGA)
2.3
Chip-Level Features
Key features of the P1020 include the following:
•
Dual (P1020) or single (P1011) high-performance Power Architecture e500v2 cores
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
6
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Features
— 36-bit physical addressing
— Double-precision floating-point support
— 32-Kbyte L1 instruction cache and 32-Kbyte L1 data cache for each core
— 533 MHz to 800 MHz core clock frequency
256-Kbyte L2 cache with ECC, also configurable as SRAM and stashing memory
Three 10/100/1000 Mbps enhanced three-speed Ethernet controllers (eTSECs)
— TCP/IP acceleration and classification capabilities
— IEEE 1588 support
•
•
— Lossless flow control
— RGMII, RMII, SGMII
•
•
High-speed interfaces (not all available simultaneously):
— Four SerDes lanes running at 2.5 GHz (multiplexed across controllers)
— Two x1 PCI Express interfaces
— Two SGMII interfaces
Two high-speed USB controllers (USB 2.0)
— Host and device support
— Enhanced host controller interface (EHCI)
— ULPI interface to PHY
— One dedicated USB interface, one multiplexed with the local bus
Enhanced secure digital host controller (SD/MMC)
Serial peripheral interface
•
•
•
Integrated security engine (SEC 3.3.2)
— Crypto algorithm support includes 3DES, AES, MD5/SHA, RSA/ECC, and FIPS deterministic
RNG
— Single pass encryption/message authentication for common security protocols (IPsec, SSL,
SRTP, WiMax)
— XOR acceleration
•
•
•
•
•
•
•
32-bit DDR2/DDR3 SDRAM memory controller with ECC support
Programmable interrupt controller (PIC) compliant with Open-PIC standard
Four-channel DMA controller
2
Two I C controllers, DUART, timers
Enhanced local bus controller (eLBC)
TDM interface supporting up to 128 channels
16 general-purpose I/O signals
These features are described in greater detail in subsequent sections.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
7
Features
NOTE
The P1020 is also available without a security engine. All specifications
other than those relating to security apply to the non-security version exactly
as described in this document.
2.4
Module Features
This section contains a high-level view of the P1020 architecture.
2.4.1
e500v2 Cores and Memory Unit
The P1020 contains two high-performance 32-bit e500v2 cores that implement the Power Architecture. In
addition to 36-bit physical addressing, this version of the e500 core includes the following:
•
•
SPE double-precision floating-point instruction set using 64-bit operands
SPE embedded vector and scalar single-precision floating-point instruction set using 32- or 64-bit
operands
•
32-Kbyte L1 instruction cache and 32-Kbyte L1 data cache with parity protection
The device also contains 256 Kbytes of L2 cache/SRAM, as follows:
•
•
•
Four-way set-associative cache organization with 32-byte cache lines
Flexible configuration (can be configured as part cache, part SRAM)
External masters can force data to be allocated into the cache through programmed memory ranges
or special transaction types (stashing)
•
SRAM features include the following:
— I/O devices access SRAM regions by marking transactions as snoopable (global)
— Regions can reside at any aligned location in the memory map
— Byte-accessible ECC uses read-modify-write transaction accesses for smaller-than-cache-line
accesses
2.4.2
e500 Coherency Module (ECM) and Address Map
The e500 coherency module (ECM) provides a mechanism for I/O-initiated transactions to snoop the bus
between the e500v2 cores and the integrated L2 cache in order to maintain coherency across local
cacheable memory. It also provides a flexible switch-type structure for core- and I/O-initiated transactions
to be routed or dispatched to target modules on the device.
The P1020 supports a flexible 36-bit physical address map. Conceptually, the address map consists of local
space and external address space. The local address map is supported by ten local access windows that
define mapping within the local 36-bit (64-Gbyte) address space.
The P1020 can be made part of a larger system address space through the mapping of translation windows.
This functionality is included in the address translation and mapping units (ATMUs). Both inbound and
outbound translation windows are provided. The ATMUs allows the P1020 to be part of larger address
maps such as those of PCI Express.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
8
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Features
2.4.3
Integrated Security Engine (SEC 3.3.2)
The SEC is a modular and scalable security core optimized to process all the algorithms associated with
IPsec, IKE, SSL/TLS, iSCSI, SRTP, IEEE Std 802.11i™, IEEE Std 802.16™ (WiMAX), and
IEEE Std 802.1AE™ . (MACSec). Although it is not a protocol processor, the SEC is designed to perform
multi-algorithmic operations (for example, 3DES-HMAC-SHA-1) in a single pass of the data. The version
of the SEC used in the P1020 is specifically capable of performing single-pass security cryptographic
processing for SSL 3.0, SSL 3.1/TLS 1.0, IPSec, SRTP, and IEEE 802.11i.
SEC features include the following:
•
Compatible with code written for the Freescale MPC8548E, MPC8555E, MPC8541E, and
MPC8572E devices
•
•
•
XOR engine for parity checking in RAID storage applications
Four crypto-channels, each supporting multi-command descriptor chains
Cryptographic execution units:
— PKEU—public key execution unit
— DEU—data encryption standard execution unit
— AESU—advanced encryption standard unit
— MDEU—message digest execution unit
— CRCU—cyclical redundancy check unit
— RNG—random number generator
2.4.4
Enhanced Three-Speed Ethernet Controllers (eTSECs)
The P1020 has three on-chip enhanced eTSECs. The eTSECs incorporate a media access control (MAC)
sublayer that supports 10- and 100-Mbps and 1-Gbps Ethernet/IEEE Std 802.3™ networks with SGMII,
RGMII, and RMII physical interfaces. The eTSECs include 2-Kbyte receive and 10-Kbyte transmit DMA
functions.
The P1020 eTSECs support programmable CRC generation and checking, RMON statistics, and jumbo
frames of up to 9.6 Kbytes. Frame headers and buffer descriptors can be forced into the L2 cache to speed
classification or other frame processing. They are designed to comply with IEEE 802.3,
IEEE Std 802.3u™, IEEE Std 802.3x™, IEEE Std 802.3z™, IEEE Std 802.3ac™, and
IEEE Std 802.3ab™.
The buffer descriptors are based on the MPC8540 three-speed Ethernet controller programming model.
Each eTSEC can emulate a PowerQUICC III TSEC, allowing existing driver software to be re-used with
minimal change.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
9
Features
Some of the key features of these controllers include the following:
•
Flexible configuration for multiple PHY interface configurations. Table 1 lists available
configurations.
1
Table 1. eTSEC Configuration Options
eTSEC1
eTSEC2
eTSEC3
RGMII
-or-
SGMII
-or-
RGMII
-or-
none
none
SGMII
-or-
none
Notes:
1
The parallel interface I/O voltages operate simultaneously at either 2.5 or 3.3 V
(nominal)
•
TCP/IP acceleration and QoS features:
— IP v4 and IP v6 header recognition on receive
— IP v4 header checksum verification and generation
— TCP and UDP checksum verification and generation
— Per-packet configurable acceleration
— Recognition of VLAN, stacked (queue in queue) VLAN, 802.2, PPPoE session, MPLS stacks,
and ESP/AH IP-security headers
— Transmission from up to eight physical queues
— Reception to up to eight physical queues
•
Full- and half-duplex Ethernet support (1000 Mbps supports only full duplex)
— IEEE 802.3 full-duplex flow control (automatic PAUSE frame generation or
software-programmed PAUSE frame generation and recognition)
•
•
IEEE 802.1 virtual local area network (VLAN) tags and priority
VLAN insertion and deletion
— Per-frame VLAN control word or default VLAN for each eTSEC
— Extracted VLAN control word passed to software separately
Programmable Ethernet preamble insertion and extraction of up to 7 bytes
MAC address recognition
•
•
•
Ability to force allocation of header information and buffer descriptors into L2 cache
2.4.5
Universal Serial Bus (USB) 2.0
The P1020 USB 2.0 controller provides point-to-point connectivity complying with the Universal Serial
Bus Revision 2.0 Specification. The USB controller can be configured to operate as a stand-alone host,
stand-alone device, or both host and device functions operating simultaneously. The host and device
functions are both configured to support the following types of USB transfers:
•
Bulk
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Preliminary—Subject to Change Without Notice
10
Freescale Semiconductor
Features
•
•
•
Control
Interrupt
Isochronous
Some of the key features include the following:
•
•
Supports USB dual-role operation and can be configured as host or device
Supports operation as a stand-alone USB device
— Supports one upstream facing port
— Supports six programmable USB endpoints
•
Supports operation as a stand-alone USB host controller
— Supports USB root hub with one downstream-facing port
— Enhanced host controller interface (EHCI) compatible
•
•
Supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) operations
Supports external PHY with UTMI+ low-pin interface (ULPI)
2.4.6
DDR SDRAM Controller
The P1020 supports DDR2 and DDR3 SDRAM. The memory interface controls main memory accesses
and provides for a maximum of 4 Gbytes of main memory.
The P1020 supports a variety of SDRAM configurations. Sixteen multiplexed address signals provide for
device densities from 32 Mbits to 4 Gbits. Four chip select signals support up to four banks of memory.
The P1020 supports bank sizes from 32 Mbytes to 4 Gbytes. Five column address strobes (MDM[0:3],
MDM8) are used to provide byte selection for memory bank writes.
The P1020 can be configured to retain the currently active SDRAM page for pipelined burst accesses. Page
mode support of up to 32 simultaneously open pages can dramatically reduce access latencies for page hits.
Depending on the memory system design and timing parameters, using page mode can save 3 to 4 clock
cycles from subsequent burst accesses that hit in an active page.
Using ECC, the P1020 detects and corrects all single-bit errors and detects all double-bit errors and all
errors within a nibble.
The P1020 can invoke a level of system power management by asserting the MCKE SDRAM signal
on-the-fly to put the memory into a low-power sleep mode.
The P1020 offers both hardware and software options to support battery-backed main memory. In addition,
the DDR controller offers an initialization bypass feature which system designers may use to prevent
re-initialization of main memory during system power-on following abnormal shutdown.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
11
Features
2.4.7
High Speed I/O Interfaces
The P1020 supports the SGMII and PCI Express high-speed I/O interface standards.
2.4.7.1 PCI Express Interfaces
The P1020 supports two PCI Express interfaces designed to comply with the PCI Express Base
Specification Revision 1.0a. They are configurable at boot time to act as either root complex or endpoint.
The physical layer of the PCI Express interface operates at a transmission rate of 2.5 Gbaud (data rate of
2.0 Gbps) per lane. The theoretical unidirectional peak bandwidth is 2 Gbps per lane. Receive and transmit
ports operate independently, resulting in an aggregate theoretical bandwidth of 4 Gbps per lane.
Other features of the PCI Express interface include:
•
•
•
Supports two x1 interfaces
Both 32- and 64-bit addressing and 256-byte maximum payload size
Full 64-bit decode with 36-bit wide windows
2.4.7.2
SGMII
The serial gigabit media independent interface (SGMII) is a high-speed interface linking the Ethernet
controller with an Ethernet PHY. SGMII uses differential signaling for electrical robustness. Only four
signals are required: receive data and its inverse, and send data and its inverse; no clock signals are
required.
2.4.7.3
High-Speed Interface Multiplexing
Table 2 shows the supported high-speed interface configurations. The desired configuration must be
selected at power-on reset.
Table 2. Supported High-Speed Interface Combinations
Lanes
Gbaud
A
B
E
F
A&B
E&F
PEX1: x1
PEX2: x1
SGMII2
SGMII3
2.5
1.25
2.4.8
Programmable Interrupt Controller (PIC)
The P1020 PIC implements the logic and programming structures of the OpenPIC architecture, providing
for external interrupts (with fully nested interrupt delivery), message interrupts, internal-logic driven
interrupts, and global high-resolution timers. Up to 16 programmable interrupt priority levels are
supported. The PIC can be bypassed to allow use of an external interrupt controller.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
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Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Features
2.4.9
Time Division Multiplexing (TDM) Interface
The TDM interface supports the following features:
•
•
•
•
•
•
Independent receive and transmit with dedicated data, clock and frame sync line
Separate or shared RCK and TCK whose source can be either internal or external
Glueless interface to E1/T1 frames and MVIP, SCAS, and H.110 buses
Up to 128 time slots, where each slot can be programmed to be active or inactive
8- or 16-bit word widths
The TDM Transmitter Sync Signal (TFS), Transmitter Clock Signal (TCK) and Receiver Clock
Signal (RCK) can be configured as either input or output
•
Frame sync and data signals can be programmed to be sampled either on the rising edge or on the
falling edge of the clock
•
•
Frame sync can be programmed as active low or active high
MSB or LSB first support
2.4.10 Enhanced Secure Digital Host Controller (eSDHC)
The eSDHC provides an interface between the host system and several types of memory cards:
MultiMediaCard (MMC), secure digital (SD) card. The eSDHC acts as a bridge, passing host bus
transactions to SD/MMC cards by sending commands and performing data accesses to or from the cards.
The eSDHC includes the following features:
•
•
SD bus clock frequency up to 50 MHz
Supports 1-/4-bit SD modes, 1-/4-bit MMC modes
— Up to 200 Mbps data transfer for SD/MMC cards, using 4 parallel data lines
Supports single- and multi-block read and write
•
•
•
•
•
•
•
•
Supports write protection switch for write operations
Supports synchronous and asynchronous abort
Supports pause during the data transfer at a block gap
Supports Auto CMD12 for multi-block transfer
Host can initiate non-data transfer commands while the data transfer is in progress
Embodies a fully configurable 128 × 32-bit FIFO for read/write data
Supports internal DMA capabilities
2.4.11 DMA, I2C, DUART, and Enhanced Local Bus Controller (eLBC)
The P1020 provides an integrated four-channel DMA controller, which can transfer data between any of
its I/O or memory ports or between two devices or locations on the same port. The DMA controller can be
used as follows:
•
•
To chain (both extended and direct) through local memory-mapped chain descriptors
To handle misaligned transfers as well as stride transfers and complex transaction chaining
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
13
Features
•
To specify local attributes such as snoop and L2 write stashing
2
There are two I C controllers. These synchronous, multimaster buses can be connected to additional
devices for expansion and system development.
The DUART supports full-duplex operation and is compatible with the PC16450 and PC16550
programming models. Both the transmitter and receiver support 16-byte FIFOs.
The P1020 enhanced local bus controller (eLBC) port allows connection with a wide variety of external
memories, DSPs, and ASICs. Three separate state machines share the same external pins and can be
programmed separately to access different types of devices. The general-purpose chip select machine
(GPCM) controls accesses to asynchronous devices using a simple handshake protocol. The user
programmable machine (UPM) can be programmed to interface with synchronous devices or custom
ASIC interfaces. The NAND flash control machine (FCM) further extends interface options. Each chip
select can be configured so that the associated chip interface can be controlled by the GPCM, UPM, or
FCM controller. All may exist in the same system. The local bus controller supports the following features:
•
•
•
•
•
•
•
•
Multiplexed 32-bit address and data bus operating at 100 MHz
Eight chip selects support eight external slaves
Up to eight-beat burst transfers
16- and 8-bit port sizes controlled by on-chip memory controller
Three protocol engines available on a per-chip-select basis
Parity support
Default boot ROM chip select with configurable bus width (8 or 16 bits)
FCM supports NAND flash, GPCM supports NOR flash
2.4.12 Device Boot Locations
The P1020 may be configured to boot using one of the following interfaces:
•
•
•
•
•
DDR2/DDR3 memory controller
Any PCI Express interface
Enhanced local bus interface (using the GPCM or FCM)
SPI flash
SD/MMC flash
2.4.13 System Performance Monitor
The performance monitor facility supports eight 32-bit counters that can count up to 512 counter-specific
events. It supports duration and quantity threshold counting and a burstiness feature that permits counting
of burst events with a programmable time between bursts.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
14
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Development Environment
3
Development Environment
Development tools, hardware platforms, software building blocks and application-specific software
solutions are available from Freescale and the Freescale Alliance Program, including third party protocol
and signaling stack suppliers, real-time operating systems support and a variety of applications software
support. All of this builds upon the existing industry standard PowerQUICC family support program.
4
Document Revision History
Table 3 provides a revision history for this product brief.
Table 3. Document Revision History
Rev. No.
Date
Substantive Change(s)
0
11/2008
Initial release.
QorIQ™ P1020 Integrated Processor Product Brief, Rev. 0
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
15
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Document Number: P1020PB
Rev. 0
11/2008
Preliminary—Subject to Change Without Notice
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