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