README
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