| 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. |
