1*20c700f8SFeng LiOverview
2*20c700f8SFeng Li--------
3*20c700f8SFeng LiThe LS1021A-IOT is a Freescale reference board that hosts
4*20c700f8SFeng Lithe LS1021A SoC.
5*20c700f8SFeng Li
6*20c700f8SFeng LiLS1021AIOT board Overview
7*20c700f8SFeng Li-------------------------
8*20c700f8SFeng Li - DDR Controller
9*20c700f8SFeng Li	- Supports 1GB un-buffered DDR3L SDRAM discrete
10*20c700f8SFeng Li	devices(32-bit bus) with 4 bit ECC
11*20c700f8SFeng Li	- DDR power supplies 1.35V to all devices with
12*20c700f8SFeng Li	automatic tracking of VTT
13*20c700f8SFeng Li	- Soldered DDR chip
14*20c700f8SFeng Li	- Supprot one fixed speed
15*20c700f8SFeng Li - Ethernet
16*20c700f8SFeng Li	- Two on-board SGMII 10/100/1G ethernet ports
17*20c700f8SFeng Li	- One Gbit Etherent RGMII interface to 4-ports switch
18*20c700f8SFeng Li	with 4x 10/100/1000 RJ145 ports
19*20c700f8SFeng Li - CPLD
20*20c700f8SFeng Li	- 8-bit registers in CPLD for system configuration
21*20c700f8SFeng Li	- connected to IFC_AD[0:7]
22*20c700f8SFeng Li - Power Supplies
23*20c700f8SFeng Li	- 12V@5A DC
24*20c700f8SFeng Li - SDHC
25*20c700f8SFeng Li	- SDHC port connects directly to a full 8-bit SD/MMC slot
26*20c700f8SFeng Li	- Support for SDIO devices
27*20c700f8SFeng Li - USB
28*20c700f8SFeng Li	- Two on-board USB 3.0
29*20c700f8SFeng Li	- One on-board USB k22
30*20c700f8SFeng Li - PCIe
31*20c700f8SFeng Li	- Two MiniPCIe Solts
32*20c700f8SFeng Li - SATA
33*20c700f8SFeng Li	- Support SATA Connector
34*20c700f8SFeng Li - AUDIO
35*20c700f8SFeng Li	- AUDIO in and out
36*20c700f8SFeng Li - I/O Expansion
37*20c700f8SFeng Li	- Arduino Shield Connector
38*20c700f8SFeng Li	- Port0 - CAN/GPIO/Flextimer
39*20c700f8SFeng Li	- Port1 - GPIO/CPLD Expansion
40*20c700f8SFeng Li	- Port2 - SPI/I2C/UART
41*20c700f8SFeng Li
42*20c700f8SFeng LiMemory map
43*20c700f8SFeng Li-----------
44*20c700f8SFeng LiThe addresses in brackets are physical addresses.
45*20c700f8SFeng Li
46*20c700f8SFeng LiStart Address	End Address		Description			Size
47*20c700f8SFeng Li0x00_0100_0000	0x00_0FFF_FFFF	CCSRBAR				240MB
48*20c700f8SFeng Li0x00_4000_0000	0x00_43FF_FFFF	QSPI(Chip select 0)	64MB
49*20c700f8SFeng Li0x00_4400_0000	0x00_47FF_FFFF	QSPI(Chip select 1)	64MB
50*20c700f8SFeng Li0x00_6000_0000	0x00_6000_FFFF	CPLD				64K
51*20c700f8SFeng Li0x00_8000_0000	0x00_BFFF_FFFF	DDR					1GB
52*20c700f8SFeng Li
53*20c700f8SFeng LiBoot description
54*20c700f8SFeng Li-----------------
55*20c700f8SFeng LiLS1021A-IOT support two ways of boot:
56*20c700f8SFeng LiQspi boot and SD boot
57*20c700f8SFeng LiThe board doesn't support boot from another
58*20c700f8SFeng Lisource without changing any switch/jumper.
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