| York Sun | e2b65ea | 2015-03-20 19:28:24 -0700 | [diff] [blame] | 1 | Overview |
| 2 | -------- |
| 3 | The LS2085A Reference Design (RDB) is a high-performance computing, |
| 4 | evaluation, and development platform that supports the QorIQ LS2085A |
| 5 | Layerscape Architecture processor. |
| 6 | |
| 7 | LS2085A SoC Overview |
| 8 | ------------------ |
| 9 | The LS2085A integrated multicore processor combines eight ARM Cortex-A57 |
| 10 | processor cores with high-performance data path acceleration logic and network |
| 11 | and peripheral bus interfaces required for networking, telecom/datacom, |
| 12 | wireless infrastructure, and mil/aerospace applications. |
| 13 | |
| 14 | The LS2085A SoC includes the following function and features: |
| 15 | |
| 16 | - Eight 64-bit ARM Cortex-A57 CPUs |
| 17 | - 1 MB platform cache with ECC |
| 18 | - Two 64-bit DDR4 SDRAM memory controllers with ECC and interleaving support |
| 19 | - One secondary 32-bit DDR4 SDRAM memory controller, intended for use by |
| 20 | the AIOP |
| 21 | - Data path acceleration architecture (DPAA2) incorporating acceleration for |
| 22 | the following functions: |
| 23 | - Packet parsing, classification, and distribution (WRIOP) |
| 24 | - Queue and Hardware buffer management for scheduling, packet sequencing, and |
| 25 | congestion management, buffer allocation and de-allocation (QBMan) |
| 26 | - Cryptography acceleration (SEC) at up to 10 Gbps |
| 27 | - RegEx pattern matching acceleration (PME) at up to 10 Gbps |
| 28 | - Decompression/compression acceleration (DCE) at up to 20 Gbps |
| 29 | - Accelerated I/O processing (AIOP) at up to 20 Gbps |
| 30 | - QDMA engine |
| 31 | - 16 SerDes lanes at up to 10.3125 GHz |
| 32 | - Ethernet interfaces |
| 33 | - Up to eight 10 Gbps Ethernet MACs |
| 34 | - Up to eight 1 / 2.5 Gbps Ethernet MACs |
| 35 | - High-speed peripheral interfaces |
| 36 | - Four PCIe 3.0 controllers, one supporting SR-IOV |
| 37 | - Additional peripheral interfaces |
| 38 | - Two serial ATA (SATA 3.0) controllers |
| 39 | - Two high-speed USB 3.0 controllers with integrated PHY |
| 40 | - Enhanced secure digital host controller (eSDXC/eMMC) |
| 41 | - Serial peripheral interface (SPI) controller |
| 42 | - Quad Serial Peripheral Interface (QSPI) Controller |
| 43 | - Four I2C controllers |
| 44 | - Two DUARTs |
| 45 | - Integrated flash controller (IFC 2.0) supporting NAND and NOR flash |
| 46 | - Support for hardware virtualization and partitioning enforcement |
| 47 | - QorIQ platform's trust architecture 3.0 |
| 48 | - Service processor (SP) provides pre-boot initialization and secure-boot |
| 49 | capabilities |
| 50 | |
| 51 | LS2085ARDB board Overview |
| 52 | ----------------------- |
| 53 | - SERDES Connections, 16 lanes supporting: |
| 54 | - PCI Express - 3.0 |
| 55 | - SATA 3.0 |
| 56 | - XFI |
| 57 | - DDR Controller |
| 58 | - Two ports of 72-bits (8-bits ECC) DDR4. Each port supports four |
| 59 | chip-selects and two DIMM connectors. Support is up to 2133MT/s. |
| 60 | - One port of 40-bits (8-bits ECC) DDR4 which supports four chip-selects |
| 61 | and two DIMM connectors. Support is up to 1600MT/s. |
| 62 | -IFC/Local Bus |
| 63 | - IFC rev. 2.0 implementation supporting Little Endian connection scheme. |
| 64 | - 128 MB NOR flash 16-bit data bus |
| 65 | - One 2 GB NAND flash with ECC support |
| 66 | - CPLD connection |
| 67 | - USB 3.0 |
| 68 | - Two high speed USB 3.0 ports |
| 69 | - First USB 3.0 port configured as Host with Type-A connector |
| 70 | - Second USB 3.0 port configured as OTG with micro-AB connector |
| 71 | - SDHC adapter |
| 72 | - SD Card Rev 2.0 and Rev 3.0 |
| 73 | - DSPI |
| 74 | - 128 MB high-speed flash Memory for boot code and storage (up to 108MHz) |
| 75 | - 4 I2C controllers |
| 76 | - Two SATA onboard connectors |
| 77 | - UART |
| 78 | - ARM JTAG support |
| 79 | |
| 80 | Memory map from core's view |
| 81 | ---------------------------- |
| 82 | 0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom |
| 83 | 0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR |
| 84 | 0x00_1800_0000 .. 0x00_181F_FFFF OCRAM |
| 85 | 0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1 |
| 86 | 0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1 |
| 87 | 0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2 |
| 88 | 0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2 |
| 89 | |
| 90 | Other addresses are either reserved, or not used directly by u-boot. |
| 91 | This list should be updated when more addresses are used. |
| 92 | |
| 93 | IFC region map from core's view |
| 94 | ------------------------------- |
| 95 | During boot i.e. IFC Region #1:- |
| 96 | 0x30000000 - 0x37ffffff : 128MB : NOR flash |
| 97 | 0x3C000000 - 0x40000000 : 64MB : CPLD |
| 98 | |
| 99 | After relocate to DDR i.e. IFC Region #2:- |
| 100 | 0x5_1000_0000..0x5_1fff_ffff Memory Hole |
| 101 | 0x5_2000_0000..0x5_3fff_ffff IFC CSx (CPLD, NAND and others 512MB) |
| 102 | 0x5_4000_0000..0x5_7fff_ffff ASIC or others 1GB |
| 103 | 0x5_8000_0000..0x5_bfff_ffff IFC CS0 1GB (NOR/Promjet) |
| 104 | 0x5_C000_0000..0x5_ffff_ffff IFC CS1 1GB (NOR/Promjet) |
| 105 | |
| 106 | Booting Options |
| 107 | --------------- |
| 108 | a) NOR boot |
| 109 | b) NAND boot |
| Bhupesh Sharma | a2dc818 | 2015-05-28 14:54:10 +0530 | [diff] [blame] | 110 | |
| 111 | Booting Linux flavors which do not support 48-bit VA (< Linux 3.18) |
| 112 | ------------------------------------------------------------------- |
| 113 | One needs to use appropriate bootargs to boot Linux flavors which do |
| 114 | not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown |
| 115 | below: |
| 116 | |
| 117 | => setenv bootargs 'console=ttyS1,115200 root=/dev/ram |
| 118 | earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m |
| 119 | hugepages=16 mem=2048M' |
| 120 | |