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      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)  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