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Overview
--------
The T1040QDS is a Freescale reference board that hosts the T1040 SoC
(and variants).

T1040 SoC Overview
------------------
The QorIQ T1040/T1042 processor support four integrated 64-bit e5500 PA
processor cores with high-performance data path acceleration architecture
and network peripheral interfaces required for networking & telecommunications.

The T1040/T1042 SoC includes the following function and features:

 - Four e5500 cores, each with a private 256 KB L2 cache
 - 256 KB shared L3 CoreNet platform cache (CPC)
 - Interconnect CoreNet platform
 - 32-/64-bit DDR3L/DDR4 SDRAM memory controller with ECC and interleaving
   support
 - Data Path Acceleration Architecture (DPAA) incorporating acceleration
 for the following functions:
    -  Packet parsing, classification, and distribution
    -  Queue management for scheduling, packet sequencing, and congestion
    	management
    -  Cryptography Acceleration (SEC 5.0)
    - RegEx Pattern Matching Acceleration (PME 2.2)
    - IEEE Std 1588 support
    - Hardware buffer management for buffer allocation and deallocation
 - Ethernet interfaces
    - Integrated 8-port Gigabit Ethernet switch (T1040 only)
    - Four 1 Gbps Ethernet controllers
 - Two RGMII interfaces or one RGMII and one MII interfaces
 - High speed peripheral interfaces
   - Four PCI Express 2.0 controllers running at up to 5 GHz
   - Two SATA controllers supporting 1.5 and 3.0 Gb/s operation
   - Upto two QSGMII interface
   - Upto six SGMII interface supporting 1000 Mbps
   - One SGMII interface supporting upto 2500 Mbps
 - Additional peripheral interfaces
   - Two USB 2.0 controllers with integrated PHY
   - SD/eSDHC/eMMC
   -  eSPI controller
   - Four I2C controllers
   - Four UARTs
   - Four GPIO controllers
   - Integrated flash controller (IFC)
   - LCD and HDMI interface (DIU) with 12 bit dual data rate
   - TDM interface
 - Multicore programmable interrupt controller (PIC)
 - Two 8-channel DMA engines
 - Single source clocking implementation
 - Deep Sleep power implementaion (wakeup from GPIO/Timer/Ethernet/USB)

 T1040QDS board Overview
 -----------------------
 - SERDES Connections, 8 lanes supporting:
      — PCI Express: supporting Gen 1 and Gen 2;
      — SGMII
      — QSGMII
      — SATA 2.0
      — Aurora debug with dedicated connectors (T1040 only)
 - DDR Controller
     - Supports rates of up to 1600 MHz data-rate
     - Supports one DDR3LP UDIMM/RDIMMs, of single-, dual- or quad-rank types.
 -IFC/Local Bus
     - NAND flash: 8-bit, async, up to 2GB.
     - NOR: 8-bit or 16-bit, non-multiplexed, up to 512MB
     - GASIC: Simple (minimal) target within Qixis FPGA
     - PromJET rapid memory download support
 - Ethernet
     - Two on-board RGMII 10/100/1G ethernet ports.
     - PHY #0 remains powered up during deep-sleep (T1040 only)
 - QIXIS System Logic FPGA
 - Clocks
     - System and DDR clock (SYSCLK, “DDRCLK”)
     - SERDES clocks
 - Power Supplies
 - Video
     - DIU supports video at up to 1280x1024x32bpp
 - USB
     - Supports two USB 2.0 ports with integrated PHYs
     — Two type A ports with 5V@1.5A per port.
     — Second port can be converted to OTG mini-AB
 - SDHC
     - SDHC port connects directly to an adapter card slot, featuring:
     - Supporting SD slots for: SD, SDHC (1x, 4x, 8x) and/or MMC
     — Supporting eMMC memory devices
 - SPI
    -  On-board support of 3 different devices and sizes
 - Other IO
    - Two Serial ports
    - ProfiBus port
    - Four I2C ports

Memory map on T1040QDS
----------------------
The addresses in brackets are physical addresses.

Start Address  End Address      Description                     Size
0xF_FFDF_0000  0xF_FFDF_0FFF    IFC - FPGA                      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_E000_0000  0xF_E7FF_FFFF    Promjet                         128MB
0xF_0000_0000  0xF_003F_FFFF    DCSR                            4MB
0xC_3000_0000  0xC_3FFF_FFFF    PCI Express 4 Mem Space         256MB
0xC_2000_0000  0xC_2FFF_FFFF    PCI Express 3 Mem Space         256MB
0xC_1000_0000  0xC_1FFF_FFFF    PCI Express 2 Mem Space         256MB
0xC_0000_0000  0xC_0FFF_FFFF    PCI Express 1 Mem Space         256MB
0x0_0000_0000  0x0_ffff_ffff    DDR                             2GB


NOR Flash memory Map on T1040QDS
--------------------------------
 Start          End             Definition                       Size
0xEFF40000      0xEFFFFFFF      u-boot (current bank)            768KB
0xEFF20000      0xEFF3FFFF      u-boot env (current bank)        128KB
0xEFF00000      0xEFF1FFFF      FMAN Ucode (current bank)        128KB
0xED300000      0xEFF3FFFF      rootfs (alt bank)                44MB + 256KB
0xEC800000      0xEC8FFFF       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      0xEBF3FFFF      rootfs (current bank)            44MB + 256KB
0xE8800000      0xE88FFFFF      Hardware device tree (cur bank)  11MB + 512KB
0xE8020000      0xE86FFFFF      Linux.uImage (current bank)      7MB + 875KB
0xE8000000      0xE801FFFF      RCW (current bank)               128KB


Various Software configurations/environment variables/commands
--------------------------------------------------------------
The below commands apply to T1040QDS

1. U-boot environment variable hwconfig
   The default hwconfig is:
	hwconfig=fsl_ddr:ctlr_intlv=null,bank_intlv=cs0_cs1;usb1:
					dr_mode=host,phy_type=utmi
   Note: For USB gadget set "dr_mode=peripheral"

2. FMAN Ucode versions
   fsl_fman_ucode_t1040.bin

3. Switching to alternate bank
   Commands for switching to alternate bank.

	1. To change from vbank0 to vbank4
		=> qixis_reset altbank (it will boot using vbank4)

	2.To change from vbank4 to vbank0
		=> qixis reset (it will boot using vbank0)

T1040 Personality
--------------------

T1022 Personality
--------------------
T1022 is a reduced personality of T1040 with less core/clusters.

T1042 Personality
--------------------
T1042 is a reduced personality of T1040 without Integrated 8-port Gigabit
Ethernet switch. Rest of the blocks are same as T1040