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Overview
--------
The BSC9132 is a highly integrated device that targets the evolving
Microcell, Picocell, and Enterprise-Femto base station market subsegments.
The BSC9132 device combines Power Architecture e500 and DSP StarCore SC3850
core technologies with MAPLE-B2P baseband acceleration processing elements
to address the need for a high performance, low cost, integrated solution
that handles all required processing layers without the need for an
external device except for an RF transceiver or, in a Micro base station
configuration, a host device that handles the L3/L4 and handover between
sectors.
The BSC9132 SoC includes the following function and features:
- Power Architecture subsystem including two e500 processors with
512-Kbyte shared L2 cache
- Two StarCore SC3850 DSP subsystems, each with a 512-Kbyte private L2
cache
- 32 Kbyte of shared M3 memory
- The Multi Accelerator Platform Engine for Pico BaseStation Baseband
Processing (MAPLE-B2P)
- Two DDR3/3L memory interfaces with 32-bit data width (40 bits including
ECC), up to 1333 MHz data rate
- Dedicated security engine featuring trusted boot
- Two DMA controllers
- OCNDMA with four bidirectional channels
- SysDMA with sixteen bidirectional channels
- Interfaces
- Four-lane SerDes PHY
- PCI Express controller complies with the PEX Specification-Rev 2.0
- Two Common Public Radio Interface (CPRI) controller lanes
- High-speed USB 2.0 host and device controller with ULPI interface
- Enhanced secure digital (SD/MMC) host controller (eSDHC)
- Antenna interface controller (AIC), supporting four industry
standard JESD207/four custom ADI RF interfaces
- ADI lanes support both full duplex FDD support & half duplex TDD
- Universal Subscriber Identity Module (USIM) interface that
facilitates communication to SIM cards or Eurochip pre-paid phone
cards
- Two DUART, two eSPI, and two I2C controllers
- Integrated Flash memory controller (IFC)
- GPIO
- Sixteen 32-bit timers
The SC3850 core subsystem consists of the following:
- 32 KB, 8-way, level 1 instruction cache (L1 ICache)
- 32 KB, 8-way, level 1 data cache (L1 DCache)
- 512 KB, 8-way, level 2 unified instruction/data cache (L2 cache/M2 memory)
- Memory management unit (MMU)
- Global interrupt controller ( GIC)
- Debug and profiling unit (DPU)
- Two 32-bit quad timers
BSC9132QDS board Overview
-------------------------
2Gbyte DDR3 (on board DDR), Dual Ranki
32Mbyte 16bit NOR flash
128Mbyte 2K page size NAND Flash
256 Kbit M24256 I2C EEPROM
128 Mbit SPI Flash memory
SD slot
USB-ULPI
eTSEC1: Connected to SGMII PHY
eTSEC2: Connected to SGMII PHY
PCIe
CPRI
SerDes
I2C RTC
DUART interface: supports one UARTs up to 115200 bps for console display
Frequency Combinations Supported
--------------------------------
Core MHz/CCB MHz/DDR(MT/s)
1. CPU0/CPU1/CCB/DDR: 1000MHz/1000MHz/500MHz/800MHz
(SYSCLK = 100MHz, DDRCLK = 100MHz)
2. CPU0/CPU1/CCB/DDR: 1200MHz/1200MHz/600MHz/1330MHz
(SYSCLK = 100MHz, DDRCLK = 133MHz)
Boot Methods Supported
-----------------------
1. NOR Flash
2. NAND Flash
3. SD Card
4. SPI flash
Default Boot Method
--------------------
NOR boot
Building U-Boot
--------------
To build the U-Boot for BSC9132QDS:
1. NOR Flash
make BSC9132QDS_NOR_DDRCLK100 : For 100MHZ DDR CLK
make BSC9132QDS_NOR_DDRCLK133 : For 133MHZ DDR CLK
2. NAND Flash : It is currently not supported
3. SPI Flash
make BSC9132QDS_SPIFLASH_DDRCLK100 : For 100MHZ DDR CLK
make BSC9132QDS_SPIFLASH_DDRCLK133 : For 133MHZ DDR CLK
4. SD Card
make BSC9132QDS_SDCARD_DDRCLK100 : For 100MHZ DDR CLK
make BSC9132QDS_SDCARD_DDRCLK133 : For 133MHZ DDR CLK
Memory map
-----------
0x0000_0000 0x7FFF_FFFF DDR 2G cacheable
0x8000_0000 0x8FFF_FFFF NOR Flash 256M
0x9000_0000 0x9FFF_FFFF PCIe Memory 256M
0xA000_0000 0xA7FF_FFFF DSP core1 L2 space 128M
0xB000_0000 0xB0FF_FFFF DSP core0 M2 space 16M
0xB100_0000 0xB1FF_FFFF DSP core1 M2 space 16M
0xC000_0000 0xC000_7FFF M3 Memory 32K
0xC001_0000 0xC001_FFFF PCI Express I/O 64K
0xC100_0000 0xC13F_FFFF MAPLE-2F 4M
0xC1F0_0000 0xC1F7_FFFF PA SRAM Region 0 512K
0xC1F8_0000 0xC1FB_FFFF PA SRAM Region 1 512K
0xFED0_0000 0xFED0_3FFF SEC Secured RAM 16K
0xFEE0_0000 0xFEE0_0FFF DSP Boot ROM 4K
0xFF60_0000 0xFF6F_FFFF DSP CCSR 1M
0xFF70_0000 0xFF7F_FFFF PA CCSR 1M
0xFF80_0000 0xFFFF_FFFF Boot Page & NAND Buffer 8M
Flashing Images
---------------
To place a new U-Boot image in the NAND flash and then boot
with that new image temporarily, use this:
tftp 1000000 u-boot-nand.bin
nand erase 0 100000
nand write 1000000 0 100000
reset
Using the Device Tree Source File
---------------------------------
To create the DTB (Device Tree Binary) image file,
use a command similar to this:
dtc -b 0 -f -I dts -O dtb bsc9132qds.dts > bsc9132qds.dtb
Likely, that .dts file will come from here;
linux-2.6/arch/powerpc/boot/dts/bsc9132qds.dts
Booting Linux
-------------
Place a linux uImage in the TFTP disk area.
tftp 1000000 uImage
tftp 2000000 rootfs.ext2.gz.uboot
tftp c00000 bsc9132qds.dtb
bootm 1000000 2000000 c00000
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