Broadcom 95xx BMW CPCI PlatformOverview=========BMW is an MPC8245 system controller featuring:* 3U CPCI Form Factor* BCM5703 Gigabit Ethernet* M48T59Y NVRAM* 16MB DOC* DIP Socket for Socketed DOC up to 1GB* 64MB SDRAM* LCD Display* Configurable Jumper options for 66,85, and 100Mhz memory busBMW System Address Map======================BMW uses the MPC8245 CHRP Address MAP B found in the MPC8245 Users Manual(P.121, Section 3.1 Address Maps, Address Map B). Other I/O devices foundonboard the processor module are listed briefly below:0x00000000 - 0x40000000 - 64MB SDRAM SIMM			  (Unregistered PC-100 SDRAM DIMM Module)0xFF000000 - 0xFF001FFF - M-Systems DiskOnChip (TM) 2000			  TSOP 16MB (MD2211-D16-V3)0x70000000 - 0x70001FFF - M-Systems DiskOnChip (TM) 2000			  DIP32 (Socketed 16MB - 1GB ) *			  NOTE: this is not populated on all systems.0x7c000000 - 0x7c000000 - Reset Register			  (Write 0 to reset)0x7c000001 - 0x7c000001 - System LED			  (Clear Bit 7 to turn on, set to shut off)0x7c000002 - 0x7c000002 - M48T59 Watchdog IRQ3			  (Clear bit 7 to reset, set to assert IRQ3)0x7c000003 - 0x7c000003 - M48T59 Write-Protect Register			  (Clear bit 7 to make R/W, set to make R/O)0x7c002000 - 0x7c002003 - Infineon OSRAM DLR2416 4 Character			  5x7 Dot Matrix Alphanumeric Display			  (Each byte sets the appropriate character)0x7c004000 - 0x7c005FF0 - SGS-THOMSON M48T59Y 8K NVRAM/RTC			  NVRAM Memory Region0x7c005FF0 - 0x7c005FFF - SGS-THOMSON M48T59Y 8K NVRAM/RTC			  Realtime Clock Registers0xFFF00000 - 0xFFF80000 - 512K PLCC32 BootRom			  (AMD AM29F040, ST 29W040B)0xFFF00100 -              System Reset VectorIO/MMU (BAT) Configuration======================The following Block-Address-Translation (BAT) configurationis recommended to access all I/O devices.#define CFG_IBAT0L  (0x00000000 | BATL_PP_10 | BATL_MEMCOHERENCE)#define CFG_IBAT0U  (0x00000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_IBAT1L  (0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT)#define CFG_IBAT1U  (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_IBAT2L  (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)#define CFG_IBAT2U  (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_IBAT3L  (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)#define CFG_IBAT3U  (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)#define CFG_DBAT0L  CFG_IBAT0L#define CFG_DBAT0U  CFG_IBAT0U#define CFG_DBAT1L  CFG_IBAT1L#define CFG_DBAT1U  CFG_IBAT1U#define CFG_DBAT2L  CFG_IBAT2L#define CFG_DBAT2U  CFG_IBAT2U#define CFG_DBAT3L  CFG_IBAT3L#define CFG_DBAT3U  CFG_IBAT3UInterrupt Mappings======================BMW uses MPC8245 discrete mode interrupts. With the followinghardwired mappings:BCM5701 10/100/1000 Ethernet 		IRQ1CompactPCI Interrupt A			IRQ2RTC/Watchdog Interrupt			IRQ3Internal NS16552 UART			IRQ4Jumper Settings======================BMW has a jumper (JP600) for selecting 66, 85, or 100Mhz memory bus.A jumper (X) is a 0 bit.Hence 66= 10110      85= 11000     100= 10000Jumper Settings for various Speeds=======================J1 J2 J3 J4 J5    X        X    66Mhz=======================J1 J2 J3 J4 J5       X  X  X    85Mhz=======================J1 J2 J3 J4 J5    X  X  X  X   100Mhz=======================Obviously, 100Mhz memory bus is recommended for optimum performance.U-Boot===============Broadcom BMW board is supported under config_BWM option.Supported features:- NVRAM setenv/getenv (used by Linux Kernel for configuration variables)- BCM570x TFTP file transfer support- LCD Display Support- DOC Support - (underway)U-Boot 1.2.0 (Aug  6 2002 - 17:44:48)CPU:   MPC8245 Revision 16.20 at 264 MHz: 16 kB I-Cache 16 kB D-CacheBoard: BMW MPC8245/KAHLUA2 - CHRP (MAP B)Built: Aug  6 2002 at 17:44:37Local Bus at 66 MHzDRAM:  64 MBFLASH: 4095 MBIn:    serialOut:   serialErr:   serialDOC:   No DiskOnChip foundHit any key to stop autoboot:  0=>printenvbootdelay=5baudrate=9600clocks_in_mhz=1hostname=switch-2bootcmd=tftp 100000 vmlinux.img;bootmgateway=10.16.64.1ethaddr=00:00:10:18:10:10nfsroot=172.16.40.111:/boot/root-fsfilesize=5ec8cnetmask=255.255.240.0ipaddr=172.16.40.114serverip=172.16.40.111root=/dev/nfsstdin=serialstdout=serialstderr=serialEnvironment size: 315/8172 bytes=>bootDevTools========ELDK	DENX Embedded Linux Development KitROM Emulator	Grammar Engine PROMICE P1160-90-AI21E (2MBx8bit, 90ns access time)	Grammar Engine PL32E 32Pin PLCC Emulation cables	Grammar Engine 3VA8CON (3Volt adapter with Short cables)	Grammar Engine FPNET PromICE Ethernet AdaptersICE	WRS/EST VisionICE-II (PPC8240)=>resetU-Boot 1.2.0 (Aug  6 2002 - 17:44:48)CPU:   MPC8245 Revision 16.20 at 264 MHz: 16 kB I-Cache 16 kB D-CacheBoard: BMW MPC8245/KAHLUA2 - CHRP (MAP B)Built: Aug  6 2002 at 17:44:37Local Bus at 66 MHzDRAM:  64 MBFLASH: 4095 MBIn:    serialOut:   serialErr:   serialDOC:   No DiskOnChip foundHit any key to stop autoboot:  0Broadcom BCM5701 1000Base-T: bus 0, device 13, function 0: MBAR=0x80100000BCM570x PCI Memory base address @0x80100000eth0:Broadcom BCM5701 1000Base-T: 100 Mbps half duplex link up, flow control OFFeth0: Broadcom BCM5701 1000Base-T @0x80100000,node addr 000010181010eth0: BCM5700 with Broadcom BCM5701 Integrated Copper transceiver foundeth0: 32-bit PCI 33MHz, MTU: 1500,Rx Checksum ONARP broadcast 1TFTP from server 172.16.40.111; our IP address is 172.16.40.114Filename 'vmlinux.img'.Load address: 0x100000Loading: #################################################################	 ####################################T #############################	 ######################doneBytes transferred = 777199 (bdbef hex)eth0:Broadcom BCM5701 1000Base-T,HALT,POWER DOWN,done - offline.## Booting image at 00100000 ...   Image Name:   vmlinux.bin.gz   Created:      2002-08-06   6:30:13 UTC   Image Type:   PowerPC Linux Kernel Image (gzip compressed)   Data Size:    777135 Bytes = 758 kB = 0 MB   Load Address: 00000000   Entry Point:  00000000   Verifying Checksum ... OK   Uncompressing Kernel Image ... OKMemory BAT mapping: BAT2=64Mb, BAT3=0Mb, residual: 0MbLinux version 2.4.19-rc3 (jfd@que) (gcc version 2.95.3 20010111 (prerelease/franzo/20010111)) #168 Mon Aug 5 23:29:20 PDT 2002CPU:82xx: 32 I-Cache Block Size, 32 D-Cache Block Size PVR: 0x810000U-Boot Environment: 0xc01b08f0IP PNP: 802.3 Ethernet Address=<0:0:10:18:10:10>cpu0: MPC8245/KAHLUA-II : BMW Platform : 64MB RAM: BPLD Rev. 6eNOTICE: mounting root file system via NFSIP PNP: switch-2: eth0 IP 172.16.40.114/255.255.240.0 gateway 10.16.64.1 server 172.16.40.111On node 0 totalpages: 16384zone(0): 16384 pages.zone(1): 0 pages.zone(2): 0 pages.Kernel command line: console=ttyS0,9600 ip=172.16.40.114:172.16.40.111:10.16.64.1:255.255.240.0:switch-2:eth0 root=/dev/nfs rw nfsroot=172.16.40.111:/boot/root-fs,timeo=200,retrans=500 nfsaddrs=172.16.40.114:172.16.40.111root_dev_setup:/dev/nfs or 00:fftime_init: decrementer frequency = 16.501145 MHzCalibrating delay loop... 175.71 BogoMIPSMemory: 62572k available (1396k kernel code, 436k data, 100k init, 0k highmem)Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)Inode cache hash table entries: 4096 (order: 3, 32768 bytes)Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)Page-cache hash table entries: 16384 (order: 4, 65536 bytes)POSIX conformance testing by UNIFIXPCI: Probing PCI hardwareLinux NET4.0 for Linux 2.4Based upon Swansea University Computer Society NET3.039Initializing RT netlink socketStarting kswapddevfs: v1.12a (20020514) Richard Gooch (rgooch@atnf.csiro.au)devfs: devfs_debug: 0x0devfs: boot_options: 0x1Installing knfsd (copyright (C) 1996 okir@monad.swb.de).pty: 256 Unix98 ptys configuredSerial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabledTesting ttyS0 (0xf7f51500, 0xf7f51500)...Testing ttyS1 (0xfc004600, 0xfc004600)...ttyS00 at 0xf7f51500 (irq = 24) is a ST16650ttyS01 at 0xfc004600 (irq = 25) is a 16550AReal Time Clock Driver v1.10eRAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksizeloop: loaded (max 8 devices)TFFS 5.1.1 Flash disk driver for DiskOnChipCopyright (C) 1998,2001 M-Systems Flash Disk Pioneers Ltd.DOC device(s) found: 1fl_init: registered device at major: 100fl_geninit: registered device at major: 100Partition check: fla: p1partition: /dev/fl/0: start_sect: 0,nr_sects: 32000 Fl_blk_size[]: 16000KBpartition: /dev/fl/1: start_sect: 2,nr_sects: 31998 Fl_blk_size[]: 15999KBpartition: /dev/fl/2: start_sect: 0,nr_sects: 0 Fl_blk_size[]: 0KBpartition: /dev/fl/3: start_sect: 0,nr_sects: 0 Fl_blk_size[]: 0KBBroadcom Gigabit Ethernet Driver bcm5700 ver. 3.0.7 (07/17/02)eth0: Broadcom BCM5701 found at mem bfff0000, IRQ 1, node addr 000010181010eth0: Broadcom BCM5701 Integrated Copper transceiver foundeth0: Scatter-gather ON, 64-bit DMA ON, Tx Checksum ON, Rx Checksum ON, 802.1Q VLAN ONbond0 registered without MII link monitoring, in bonding mode.rtc: unable to get misc minorNET4: Linux TCP/IP 1.0 for NET4.0IP Protocols: ICMP, UDP, TCP, IGMPIP: routing cache hash table of 512 buckets, 4KbytesTCP: Hash tables configured (established 4096 bind 4096)bcm5700: eth0 NIC Link is UP, 100 Mbps half duplexIP-Config: Gateway not on directly connected network.NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.802.1Q VLAN Support v1.7 Ben Greear <greearb@candelatech.com>All bugs added by David S. Miller <davem@redhat.com>Looking up port of RPC 100003/2 on 172.16.40.111Looking up port of RPC 100005/1 on 172.16.40.111VFS: Mounted root (nfs filesystem).Mounted devfs on /devFreeing unused kernel memory: 100k initINIT: version 2.78 bootingMounting local filesystems...not mounted anythingSetting up symlinks in /dev...done.Setting up extra devices in /dev...done.Starting devfsd...Started device management daemon for /devINIT: Entering runlevel: 2Starting internet superserver: inetd.Welcome to Linux/PPCMPC8245/BMWswitch-2 login: rootPassword:PAM_unix[49]: (login) session opened for user root by LOGIN(uid=0)Last login: Thu Nov 25 11:51:14 1920 on consoleWelcome to Linux/PPCMPC8245/BMWlogin[49]: ROOT LOGIN on `console'root@switch-2:~# cat /proc/cpuinfocpu             : 82xxrevision        : 16.20 (pvr 8081 1014)bogomips        : 175.71vendor          : Broadcommachine         : BMW/MPC8245root@switch-2:~#