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
