144937214SPrabhakar KushwahaOverview 244937214SPrabhakar Kushwaha-------- 344937214SPrabhakar KushwahaThe LS2080A Reference Design (RDB) is a high-performance computing, 4*9ae836cdSPriyanka Jainevaluation, and development platform that supports the QorIQ LS2080A, LS2088A 544937214SPrabhakar KushwahaLayerscape Architecture processor. 644937214SPrabhakar Kushwaha 7*9ae836cdSPriyanka JainLS2080A, LS2088A SoC Overview 8ddd8a080SPrabhakar Kushwaha-------------------- 9*9ae836cdSPriyanka JainPlease refer arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc for LS2080A, 10*9ae836cdSPriyanka JainLS2088A SoC overview. 1144937214SPrabhakar Kushwaha 1244937214SPrabhakar Kushwaha LS2080ARDB board Overview 1344937214SPrabhakar Kushwaha ----------------------- 1444937214SPrabhakar Kushwaha - SERDES Connections, 16 lanes supporting: 1544937214SPrabhakar Kushwaha - PCI Express - 3.0 1644937214SPrabhakar Kushwaha - SATA 3.0 1744937214SPrabhakar Kushwaha - XFI 1844937214SPrabhakar Kushwaha - DDR Controller 1944937214SPrabhakar Kushwaha - Two ports of 72-bits (8-bits ECC) DDR4. Each port supports four 2044937214SPrabhakar Kushwaha chip-selects and two DIMM connectors. Support is up to 2133MT/s. 2144937214SPrabhakar Kushwaha - One port of 40-bits (8-bits ECC) DDR4 which supports four chip-selects 2244937214SPrabhakar Kushwaha and two DIMM connectors. Support is up to 1600MT/s. 2344937214SPrabhakar Kushwaha -IFC/Local Bus 2444937214SPrabhakar Kushwaha - IFC rev. 2.0 implementation supporting Little Endian connection scheme. 2544937214SPrabhakar Kushwaha - 128 MB NOR flash 16-bit data bus 2644937214SPrabhakar Kushwaha - One 2 GB NAND flash with ECC support 2744937214SPrabhakar Kushwaha - CPLD connection 2844937214SPrabhakar Kushwaha - USB 3.0 2944937214SPrabhakar Kushwaha - Two high speed USB 3.0 ports 3044937214SPrabhakar Kushwaha - First USB 3.0 port configured as Host with Type-A connector 3144937214SPrabhakar Kushwaha - Second USB 3.0 port configured as OTG with micro-AB connector 3244937214SPrabhakar Kushwaha - SDHC adapter 3344937214SPrabhakar Kushwaha - SD Card Rev 2.0 and Rev 3.0 3444937214SPrabhakar Kushwaha - DSPI 3544937214SPrabhakar Kushwaha - 128 MB high-speed flash Memory for boot code and storage (up to 108MHz) 3644937214SPrabhakar Kushwaha - 4 I2C controllers 3744937214SPrabhakar Kushwaha - Two SATA onboard connectors 3844937214SPrabhakar Kushwaha - UART 3944937214SPrabhakar Kushwaha - ARM JTAG support 4044937214SPrabhakar Kushwaha 4144937214SPrabhakar KushwahaMemory map from core's view 4244937214SPrabhakar Kushwaha---------------------------- 4344937214SPrabhakar Kushwaha0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom 4444937214SPrabhakar Kushwaha0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR 4544937214SPrabhakar Kushwaha0x00_1800_0000 .. 0x00_181F_FFFF OCRAM 4644937214SPrabhakar Kushwaha0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1 4744937214SPrabhakar Kushwaha0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1 4844937214SPrabhakar Kushwaha0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2 4944937214SPrabhakar Kushwaha0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2 5044937214SPrabhakar Kushwaha 51a187559eSBin MengOther addresses are either reserved, or not used directly by U-Boot. 5244937214SPrabhakar KushwahaThis list should be updated when more addresses are used. 5344937214SPrabhakar Kushwaha 5444937214SPrabhakar KushwahaIFC region map from core's view 5544937214SPrabhakar Kushwaha------------------------------- 5644937214SPrabhakar KushwahaDuring boot i.e. IFC Region #1:- 5744937214SPrabhakar Kushwaha 0x30000000 - 0x37ffffff : 128MB : NOR flash 5844937214SPrabhakar Kushwaha 0x3C000000 - 0x40000000 : 64MB : CPLD 5944937214SPrabhakar Kushwaha 6044937214SPrabhakar KushwahaAfter relocate to DDR i.e. IFC Region #2:- 6144937214SPrabhakar Kushwaha 0x5_1000_0000..0x5_1fff_ffff Memory Hole 6244937214SPrabhakar Kushwaha 0x5_2000_0000..0x5_3fff_ffff IFC CSx (CPLD, NAND and others 512MB) 6344937214SPrabhakar Kushwaha 0x5_4000_0000..0x5_7fff_ffff ASIC or others 1GB 6444937214SPrabhakar Kushwaha 0x5_8000_0000..0x5_bfff_ffff IFC CS0 1GB (NOR/Promjet) 6544937214SPrabhakar Kushwaha 0x5_C000_0000..0x5_ffff_ffff IFC CS1 1GB (NOR/Promjet) 6644937214SPrabhakar Kushwaha 6744937214SPrabhakar KushwahaBooting Options 6844937214SPrabhakar Kushwaha--------------- 6944937214SPrabhakar Kushwahaa) NOR boot 7044937214SPrabhakar Kushwahab) NAND boot 7144937214SPrabhakar Kushwaha 7244937214SPrabhakar KushwahaBooting Linux flavors which do not support 48-bit VA (< Linux 3.18) 7344937214SPrabhakar Kushwaha------------------------------------------------------------------- 7444937214SPrabhakar KushwahaOne needs to use appropriate bootargs to boot Linux flavors which do 7544937214SPrabhakar Kushwahanot support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown 7644937214SPrabhakar Kushwahabelow: 7744937214SPrabhakar Kushwaha 7844937214SPrabhakar Kushwaha=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram 7944937214SPrabhakar Kushwaha earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m 8044937214SPrabhakar Kushwaha hugepages=16 mem=2048M' 8144937214SPrabhakar Kushwaha 82