Overview
--------
The LS1021A-IOT is a Freescale reference board that hosts
the LS1021A SoC.
LS1021AIOT board Overview
-------------------------
- DDR Controller
- Supports 1GB un-buffered DDR3L SDRAM discrete
devices(32-bit bus) with 4 bit ECC
- DDR power supplies 1.35V to all devices with
automatic tracking of VTT
- Soldered DDR chip
- Supprot one fixed speed
- Ethernet
- Two on-board SGMII 10/100/1G ethernet ports
- One Gbit Etherent RGMII interface to 4-ports switch
with 4x 10/100/1000 RJ145 ports
- CPLD
- 8-bit registers in CPLD for system configuration
- connected to IFC_AD[0:7]
- Power Supplies
- 12V@5A DC
- SDHC
- SDHC port connects directly to a full 8-bit SD/MMC slot
- Support for SDIO devices
- USB
- Two on-board USB 3.0
- One on-board USB k22
- PCIe
- Two MiniPCIe Solts
- SATA
- Support SATA Connector
- AUDIO
- AUDIO in and out
- I/O Expansion
- Arduino Shield Connector
- Port0 - CAN/GPIO/Flextimer
- Port1 - GPIO/CPLD Expansion
- Port2 - SPI/I2C/UART
Memory map
-----------
The addresses in brackets are physical addresses.
Start Address End Address Description Size
0x00_0100_0000 0x00_0FFF_FFFF CCSRBAR 240MB
0x00_4000_0000 0x00_43FF_FFFF QSPI(Chip select 0) 64MB
0x00_4400_0000 0x00_47FF_FFFF QSPI(Chip select 1) 64MB
0x00_6000_0000 0x00_6000_FFFF CPLD 64K
0x00_8000_0000 0x00_BFFF_FFFF DDR 1GB
Boot description
-----------------
LS1021A-IOT support two ways of boot:
Qspi boot and SD boot
The board doesn't support boot from another
source without changing any switch/jumper.
chenyf
996bded6bb