1Overview
2--------
3The LS1021A-IOT is a Freescale reference board that hosts
4the LS1021A SoC.
5
6LS1021AIOT board Overview
7-------------------------
8 - DDR Controller
9	- Supports 1GB un-buffered DDR3L SDRAM discrete
10	devices(32-bit bus) with 4 bit ECC
11	- DDR power supplies 1.35V to all devices with
12	automatic tracking of VTT
13	- Soldered DDR chip
14	- Supprot one fixed speed
15 - Ethernet
16	- Two on-board SGMII 10/100/1G ethernet ports
17	- One Gbit Etherent RGMII interface to 4-ports switch
18	with 4x 10/100/1000 RJ145 ports
19 - CPLD
20	- 8-bit registers in CPLD for system configuration
21	- connected to IFC_AD[0:7]
22 - Power Supplies
23	- 12V@5A DC
24 - SDHC
25	- SDHC port connects directly to a full 8-bit SD/MMC slot
26	- Support for SDIO devices
27 - USB
28	- Two on-board USB 3.0
29	- One on-board USB k22
30 - PCIe
31	- Two MiniPCIe Solts
32 - SATA
33	- Support SATA Connector
34 - AUDIO
35	- AUDIO in and out
36 - I/O Expansion
37	- Arduino Shield Connector
38	- Port0 - CAN/GPIO/Flextimer
39	- Port1 - GPIO/CPLD Expansion
40	- Port2 - SPI/I2C/UART
41
42Memory map
43-----------
44The addresses in brackets are physical addresses.
45
46Start Address	End Address		Description			Size
470x00_0100_0000	0x00_0FFF_FFFF	CCSRBAR				240MB
480x00_4000_0000	0x00_43FF_FFFF	QSPI(Chip select 0)	64MB
490x00_4400_0000	0x00_47FF_FFFF	QSPI(Chip select 1)	64MB
500x00_6000_0000	0x00_6000_FFFF	CPLD				64K
510x00_8000_0000	0x00_BFFF_FFFF	DDR					1GB
52
53Boot description
54-----------------
55LS1021A-IOT support two ways of boot:
56Qspi boot and SD boot
57The board doesn't support boot from another
58source without changing any switch/jumper.
59