--- /dev/null
+The T2080QDS is a high-performance computing evaluation, development and
+test platform supporting the T2080 QorIQ Power Architecture processor.
+
+T2080 SoC Overview
+------------------
+The T2080 QorIQ multicore processor combines four dual-threaded e6500 Power
+Architecture processor cores with high-performance datapath acceleration
+logic and network and peripheral bus interfaces required for networking,
+telecom/datacom, wireless infrastructure, and mil/aerospace applications.
+
+T2080 includes the following functions and features:
+ - Four dual-threads 64-bit Power architecture e6500 cores, up to 1.8GHz
+ - 2MB L2 cache and 512KB CoreNet platform cache (CPC)
+ - Hierarchical interconnect fabric
+ - One 32-/64-bit DDR3/3L SDRAM memory controllers with ECC and interleaving
+ - Data Path Acceleration Architecture (DPAA) incorporating acceleration
+ - 16 SerDes lanes up to 10.3125 GHz
+ - 8 Ethernet interfaces, supporting combinations of the following:
+ - Up to four 10 Gbps Ethernet MACs
+ - Up to eight 1 Gbps Ethernet MACs
+ - Up to four 2.5 Gbps Ethernet MACs
+ - High-speed peripheral interfaces
+ - Four PCI Express controllers (two PCIe 2.0 and two PCIe 3.0 with SR-IOV)
+ - Two Serial RapidIO 2.0 controllers/ports running at up to 5 GHz
+ - Additional peripheral interfaces
+ - Two serial ATA (SATA 2.0) controllers
+ - Two high-speed USB 2.0 controllers with integrated PHY
+ - Enhanced secure digital host controller (SD/SDHC/SDXC/eMMC)
+ - Enhanced serial peripheral interface (eSPI)
+ - Four I2C controllers
+ - Four 2-pin UARTs or two 4-pin UARTs
+ - Integrated Flash Controller supporting NAND and NOR flash
+ - Three eight-channel DMA engines
+ - Support for hardware virtualization and partitioning enforcement
+ - QorIQ Platform's Trust Architecture 2.0
+
+Differences between T2080 and T2081
+-----------------------------------
+ Feature T2080 T2081
+ 1G Ethernet numbers: 8 6
+ 10G Ethernet numbers: 4 2
+ SerDes lanes: 16 8
+ Serial RapidIO,RMan: 2 no
+ SATA Controller: 2 no
+ Aurora: yes no
+ SoC Package: 896-pins 780-pins
+
+
+T2080QDS feature overview
+-------------------------
+Processor:
+ - T2080 SoC integrating four 64-bit dual-threads e6500 cores up to 1.8GHz
+Memory:
+ - Single memory controller capable of supporting DDR3 and DDR3-LV devices
+ - Two DDR3 DIMMs up to 4GB, Dual rank @ 2133MT/s and ECC support
+Ethernet interfaces:
+ - Two 1Gbps RGMII on-board ports
+ - Four 10Gbps XFI on-board cages
+ - 1Gbps/2.5Gbps SGMII Riser card
+ - 10Gbps XAUI Riser card
+Accelerator:
+ - DPAA components consist of FMan, BMan, QMan, PME, DCE and SEC
+SerDes:
+ - 16 lanes up to 10.3125GHz
+ - Supports Aurora debug, PEX, SATA, SGMII, sRIO, HiGig, XFI and XAUI
+IFC:
+ - 128MB NOR Flash, 512MB NAND Flash, PromJet debug port and FPGA
+eSPI:
+ - Three SPI flash (16MB N25Q128A + 16MB EN25S64 + 512KB SST25WF040)
+USB:
+ - Two USB2.0 ports with internal PHY (one Type-A + one micro Type-AB)
+PCIE:
+ - Four PCI Express controllers (two PCIe 2.0 and two PCIe 3.0 with SR-IOV)
+SATA:
+ - Two SATA 2.0 ports on-board
+SRIO:
+ - Two Serial RapidIO 2.0 ports up to 5 GHz
+eSDHC:
+ - Supports SD/SDHC/SDXC/eMMC Card
+I2C:
+ - Four I2C controllers.
+UART:
+ - Dual 4-pins UART serial ports
+System Logic:
+ - QIXIS-II FPGA system controll
+Debug Features:
+ - Support Legacy, COP/JTAG, Aurora, Event and EVT
+
+
+System Memory map
+-----------------
+Start Address End Address Description Size
+0xF_FFDF_0000 0xF_FFDF_0FFF IFC - CPLD 4KB
+0xF_FF80_0000 0xF_FF80_FFFF IFC - NAND Flash 64KB
+0xF_FE00_0000 0xF_FEFF_FFFF CCSRBAR 16MB
+0xF_F803_0000 0xF_F803_FFFF PCI Express 4 I/O Space 64KB
+0xF_F802_0000 0xF_F802_FFFF PCI Express 3 I/O Space 64KB
+0xF_F801_0000 0xF_F801_FFFF PCI Express 2 I/O Space 64KB
+0xF_F800_0000 0xF_F800_FFFF PCI Express 1 I/O Space 64KB
+0xF_F600_0000 0xF_F7FF_FFFF Queue manager software portal 32MB
+0xF_F400_0000 0xF_F5FF_FFFF Buffer manager software portal 32MB
+0xF_E800_0000 0xF_EFFF_FFFF IFC - NOR Flash 128MB
+0xF_0000_0000 0xF_003F_FFFF DCSR 4MB
+0xC_4000_0000 0xC_4FFF_FFFF PCI Express 4 Mem Space 256MB
+0xC_3000_0000 0xC_3FFF_FFFF PCI Express 3 Mem Space 256MB
+0xC_2000_0000 0xC_2FFF_FFFF PCI Express 2 Mem Space 256MB
+0xC_0000_0000 0xC_1FFF_FFFF PCI Express 1 Mem Space 512MB
+0x0_0000_0000 0x0_ffff_ffff DDR 4GB
+
+
+128M NOR Flash memory Map
+-------------------------
+Start Address End Address Definition Max size
+0xEFF40000 0xEFFFFFFF u-boot (current bank) 768KB
+0xEFF20000 0xEFF3FFFF u-boot env (current bank) 128KB
+0xEFF00000 0xEFF1FFFF FMAN Ucode (current bank) 128KB
+0xED300000 0xEFEFFFFF rootfs (alt bank) 44MB
+0xEC800000 0xEC8FFFFF Hardware device tree (alt bank) 1MB
+0xEC020000 0xEC7FFFFF Linux.uImage (alt bank) 7MB + 875KB
+0xEC000000 0xEC01FFFF RCW (alt bank) 128KB
+0xEBF40000 0xEBFFFFFF u-boot (alt bank) 768KB
+0xEBF20000 0xEBF3FFFF u-boot env (alt bank) 128KB
+0xEBF00000 0xEBF1FFFF FMAN ucode (alt bank) 128KB
+0xE9300000 0xEBEFFFFF rootfs (current bank) 44MB
+0xE8800000 0xE88FFFFF Hardware device tree (cur bank) 1MB
+0xE8020000 0xE86FFFFF Linux.uImage (current bank) 7MB + 875KB
+0xE8000000 0xE801FFFF RCW (current bank) 128KB
+
+
+
+Software configurations and board settings
+------------------------------------------
+1. NOR boot:
+ a. build NOR boot image
+ $ make T2080QDS_config
+ $ make
+ b. program u-boot.bin image to NOR flash
+ => tftp 1000000 u-boot.bin
+ => pro off all;era eff40000 efffffff;cp.b 1000000 eff40000 $filesize
+ set SW1[1:8] = '00010011', SW2[1] = '1', SW6[1:4] = '0000' for NOR boot
+
+ Switching between default bank0 and alternate bank4 on NOR flash
+ To change boot source to vbank4:
+ by software: run command 'qixis_reset altbank' in u-boot.
+ by DIP-switch: set SW6[1:4] = '0100'
+
+ To change boot source to vbank0:
+ by software: run command 'qixis_reset' in u-boot.
+ by DIP-Switch: set SW6[1:4] = '0000'
+
+2. NAND Boot:
+ a. build PBL image for NAND boot
+ $ make T2080QDS_NAND_config
+ $ make
+ b. program u-boot-with-spl-pbl.bin to NAND flash
+ => tftp 1000000 u-boot-with-spl-pbl.bin
+ => nand erase 0 $filesize
+ => nand write 1000000 0 $filesize
+ set SW1[1:8] = '10000010', SW2[1] = '0' and SW6[1:4] = '1001' for NAND boot
+
+3. SPI Boot:
+ a. build PBL image for SPI boot
+ $ make T2080QDS_SPIFLASH_config
+ $ make
+ b. program u-boot-with-spl-pbl.bin to SPI flash
+ => tftp 1000000 u-boot-with-spl-pbl.bin
+ => sf probe 0
+ => sf erase 0 f0000
+ => sf write 1000000 0 $filesize
+ set SW1[1:8] = '00100010', SW2[1] ='1' for SPI boot
+
+4. SD Boot:
+ a. build PBL image for SD boot
+ $ make T2080QDS_SDCARD_config
+ $ make
+ b. program u-boot-with-spl-pbl.bin to SD/MMC card
+ => tftp 1000000 u-boot-with-spl-pbl.bin
+ => mmc write 1000000 8 0x800
+ => tftp 1000000 fsl_fman_ucode_T2080_xx.bin
+ => mmc write 1000000 0x820 80
+ set SW1[1:8] = '00100000', SW2[1] = '0' for SD boot
+
+
+2-stage NAND/SPI/SD boot loader
+-------------------------------
+PBL initializes the internal CPC-SRAM and copy SPL(160K) to SRAM.
+SPL further initializes DDR using SPD and environment variables
+and copy u-boot(768 KB) from NAND/SPI/SD device to DDR.
+Finally SPL transers control to u-boot for futher booting.
+
+SPL has following features:
+ - Executes within 256K
+ - No relocation required
+
+Run time view of SPL framework
+-------------------------------------------------
+|Area | Address |
+-------------------------------------------------
+|SecureBoot header | 0xFFFC0000 (32KB) |
+-------------------------------------------------
+|GD, BD | 0xFFFC8000 (4KB) |
+-------------------------------------------------
+|ENV | 0xFFFC9000 (8KB) |
+-------------------------------------------------
+|HEAP | 0xFFFCB000 (50KB) |
+-------------------------------------------------
+|STACK | 0xFFFD8000 (22KB) |
+-------------------------------------------------
+|U-boot SPL | 0xFFFD8000 (160KB) |
+-------------------------------------------------
+
+NAND Flash memory Map on T2080QDS
+--------------------------------------------------------------
+Start End Definition Size
+0x000000 0x0FFFFF u-boot img 1MB (2 blocks)
+0x100000 0x17FFFF u-boot env 512KB (1 block)
+0x180000 0x1FFFFF FMAN ucode 512KB (1 block)
+
+
+Micro SD Card memory Map on T2080QDS
+----------------------------------------------------
+Block #blocks Definition Size
+0x008 2048 u-boot img 1MB
+0x800 0016 u-boot env 8KB
+0x820 0128 FMAN ucode 64KB
+
+
+SPI Flash memory Map on T2080QDS
+----------------------------------------------------
+Start End Definition Size
+0x000000 0x0FFFFF u-boot img 1MB
+0x100000 0x101FFF u-boot env 8KB
+0x110000 0x11FFFF FMAN ucode 64KB
+
+
+How to update the ucode of Freescale FMAN
+-----------------------------------------
+=> tftp 1000000 fsl_fman_ucode_t2080_xx.bin
+=> pro off all;erase 0xeff00000 0xeff1ffff;cp 1000000 0xeff00000 $filesize
+
+
+For more details, please refer to T2080QDS User Guide and access
+website www.freescale.com and Freescale QorIQ SDK Infocenter document.
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