Overview
--------
QorIQ LS1012A Reference Design System (LS1012ARDB) is a high-performance
development platform, with a complete debugging environment.
The LS1012ARDB board supports the QorIQ LS1012A processor and is
optimized to support the high-bandwidth DDR3L memory and
a full complement of high-speed SerDes ports.

LS1012A SoC Overview
--------------------
Please refer arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc for LS2080A
SoC overview.

LS1012ARDB board Overview
-----------------------
 - SERDES Connections, 4 lanes supporting:
      - PCI Express - 3.0
      - SGMII, SGMII 2.5
      - SATA 3.0
 - DDR Controller
     - 16-bit, 1 GB DDR3L SDRAM memory, running at data rates up to 1 GT/s
 -QSPI: A dual 1:3 switch, NX3L4357GM,115 (U35) drives the QSPI chip-select
 signals to
    - QSPI NOR flash memory (2 virtual banks)
    - the QSPI emulator.s
 - USB 3.0
    - one high-speed USB 2.0/3.0 port.
 - Two enhanced secure digital host controllers:
    - SDHC1 controller can be connected to onboard SDHC connector
    - SDHC2 controller: Three dual 1:4 mux/demux devices,
    74CBTLV3253DS (U30, U31, U33) drive the SDHC2 signals to eMMC,
    SDIO WiFi, SPI, and Ardiuno shield
 - 2 I2C controllers
 - One SATA onboard connectors
 - UART
   - The LS1012A processor consists of two UART controllers,
   out of which only UART1 is used on RDB.
 - ARM JTAG support

Booting Options
---------------
a) QSPI Flash Emu Boot
b) QSPI Flash 1
c) QSPI Flash 2

QSPI flash map
--------------
Images		| Size	|QSPI Flash Address
------------------------------------------
RCW + PBI	| 1MB	| 0x4000_0000
U-boot 		| 1MB	| 0x4010_0000
U-boot Env 	| 1MB	| 0x4020_0000
PPA FIT image	| 2MB	| 0x4050_0000
Linux ITB	| ~53MB | 0x40A0_0000
