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diff --git a/board/freescale/ls2080ardb/README b/board/freescale/ls2080ardb/README new file mode 100644 index 0000000000..7fc2569648 --- /dev/null +++ b/board/freescale/ls2080ardb/README @@ -0,0 +1,120 @@ +Overview +-------- +The LS2080A Reference Design (RDB) is a high-performance computing, +evaluation, and development platform that supports the QorIQ LS2080A +Layerscape Architecture processor. + +LS2080A SoC Overview +------------------ +The LS2080A integrated multicore processor combines eight ARM Cortex-A57 +processor cores with high-performance data path acceleration logic and network +and peripheral bus interfaces required for networking, telecom/datacom, +wireless infrastructure, and mil/aerospace applications. + +The LS2080A SoC includes the following function and features: + + - Eight 64-bit ARM Cortex-A57 CPUs + - 1 MB platform cache with ECC + - Two 64-bit DDR4 SDRAM memory controllers with ECC and interleaving support + - One secondary 32-bit DDR4 SDRAM memory controller, intended for use by + the AIOP + - Data path acceleration architecture (DPAA2) incorporating acceleration for + the following functions: + - Packet parsing, classification, and distribution (WRIOP) + - Queue and Hardware buffer management for scheduling, packet sequencing, and + congestion management, buffer allocation and de-allocation (QBMan) + - Cryptography acceleration (SEC) at up to 10 Gbps + - RegEx pattern matching acceleration (PME) at up to 10 Gbps + - Decompression/compression acceleration (DCE) at up to 20 Gbps + - Accelerated I/O processing (AIOP) at up to 20 Gbps + - QDMA engine + - 16 SerDes lanes at up to 10.3125 GHz + - Ethernet interfaces + - Up to eight 10 Gbps Ethernet MACs + - Up to eight 1 / 2.5 Gbps Ethernet MACs + - High-speed peripheral interfaces + - Four PCIe 3.0 controllers, one supporting SR-IOV + - Additional peripheral interfaces + - Two serial ATA (SATA 3.0) controllers + - Two high-speed USB 3.0 controllers with integrated PHY + - Enhanced secure digital host controller (eSDXC/eMMC) + - Serial peripheral interface (SPI) controller + - Quad Serial Peripheral Interface (QSPI) Controller + - Four I2C controllers + - Two DUARTs + - Integrated flash controller (IFC 2.0) supporting NAND and NOR flash + - Support for hardware virtualization and partitioning enforcement + - QorIQ platform's trust architecture 3.0 + - Service processor (SP) provides pre-boot initialization and secure-boot + capabilities + + LS2080ARDB board Overview + ----------------------- + - SERDES Connections, 16 lanes supporting: + - PCI Express - 3.0 + - SATA 3.0 + - XFI + - DDR Controller + - Two ports of 72-bits (8-bits ECC) DDR4. Each port supports four + chip-selects and two DIMM connectors. Support is up to 2133MT/s. + - One port of 40-bits (8-bits ECC) DDR4 which supports four chip-selects + and two DIMM connectors. Support is up to 1600MT/s. + -IFC/Local Bus + - IFC rev. 2.0 implementation supporting Little Endian connection scheme. + - 128 MB NOR flash 16-bit data bus + - One 2 GB NAND flash with ECC support + - CPLD connection + - USB 3.0 + - Two high speed USB 3.0 ports + - First USB 3.0 port configured as Host with Type-A connector + - Second USB 3.0 port configured as OTG with micro-AB connector + - SDHC adapter + - SD Card Rev 2.0 and Rev 3.0 + - DSPI + - 128 MB high-speed flash Memory for boot code and storage (up to 108MHz) + - 4 I2C controllers + - Two SATA onboard connectors + - UART + - ARM JTAG support + +Memory map from core's view +---------------------------- +0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom +0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR +0x00_1800_0000 .. 0x00_181F_FFFF OCRAM +0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1 +0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1 +0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2 +0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2 + +Other addresses are either reserved, or not used directly by u-boot. +This list should be updated when more addresses are used. + +IFC region map from core's view +------------------------------- +During boot i.e. IFC Region #1:- + 0x30000000 - 0x37ffffff : 128MB : NOR flash + 0x3C000000 - 0x40000000 : 64MB : CPLD + +After relocate to DDR i.e. IFC Region #2:- + 0x5_1000_0000..0x5_1fff_ffff Memory Hole + 0x5_2000_0000..0x5_3fff_ffff IFC CSx (CPLD, NAND and others 512MB) + 0x5_4000_0000..0x5_7fff_ffff ASIC or others 1GB + 0x5_8000_0000..0x5_bfff_ffff IFC CS0 1GB (NOR/Promjet) + 0x5_C000_0000..0x5_ffff_ffff IFC CS1 1GB (NOR/Promjet) + +Booting Options +--------------- +a) NOR boot +b) NAND boot + +Booting Linux flavors which do not support 48-bit VA (< Linux 3.18) +------------------------------------------------------------------- +One needs to use appropriate bootargs to boot Linux flavors which do +not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown +below: + +=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram + earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m + hugepages=16 mem=2048M' + |
