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diff --git a/u-boot/board/bmw/README b/u-boot/board/bmw/README new file mode 100644 index 0000000..1fbef79 --- /dev/null +++ b/u-boot/board/bmw/README @@ -0,0 +1,331 @@ +Broadcom 95xx BMW CPCI Platform + +Overview +========= +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 bus + + +BMW 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 found +onboard 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 Region + +0x7c005FF0 - 0x7c005FFF - SGS-THOMSON M48T59Y 8K NVRAM/RTC + Realtime Clock Registers + +0xFFF00000 - 0xFFF80000 - 512K PLCC32 BootRom + (AMD AM29F040, ST 29W040B) + +0xFFF00100 - System Reset Vector + + +IO/MMU (BAT) Configuration +====================== +The following Block-Address-Translation (BAT) configuration +is recommended to access all I/O devices. + +#define CONFIG_SYS_IBAT0L (0x00000000 | BATL_PP_10 | BATL_MEMCOHERENCE) +#define CONFIG_SYS_IBAT0U (0x00000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CONFIG_SYS_IBAT1L (0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT) +#define CONFIG_SYS_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) +#define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT) +#define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L +#define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U +#define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L +#define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U +#define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L +#define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U +#define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L +#define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U + + +Interrupt Mappings +====================== +BMW uses MPC8245 discrete mode interrupts. With the following +hardwired mappings: + +BCM5701 10/100/1000 Ethernet IRQ1 +CompactPCI Interrupt A IRQ2 +RTC/Watchdog Interrupt IRQ3 +Internal NS16552 UART IRQ4 + + +Jumper 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= 10000 + +Jumper 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-Cache +Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B) +Built: Aug 6 2002 at 17:44:37 +Local Bus at 66 MHz +DRAM: 64 MB +FLASH: 4095 MB +In: serial +Out: serial +Err: serial +DOC: No DiskOnChip found +Hit any key to stop autoboot: 0 +=>printenv +bootdelay=5 +baudrate=9600 +clocks_in_mhz=1 +hostname=switch-2 +bootcmd=tftp 100000 vmlinux.img;bootm +gateway=10.16.64.1 +ethaddr=00:00:10:18:10:10 +nfsroot=172.16.40.111:/boot/root-fs +filesize=5ec8c +netmask=255.255.240.0 +ipaddr=172.16.40.114 +serverip=172.16.40.111 +root=/dev/nfs +stdin=serial +stdout=serial +stderr=serial + +Environment size: 315/8172 bytes +=>boot + + +DevTools +======== +ELDK + DENX Embedded Linux Development Kit + +ROM 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 Adapters + +ICE + WRS/EST VisionICE-II (PPC8240) + + +=>reset + + +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-Cache +Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B) +Built: Aug 6 2002 at 17:44:37 +Local Bus at 66 MHz +DRAM: 64 MB +FLASH: 4095 MB +In: serial +Out: serial +Err: serial +DOC: No DiskOnChip found +Hit any key to stop autoboot: 0 + +Broadcom BCM5701 1000Base-T: bus 0, device 13, function 0: MBAR=0x80100000 +BCM570x PCI Memory base address @0x80100000 +eth0:Broadcom BCM5701 1000Base-T: 100 Mbps half duplex link up, flow control OFF +eth0: Broadcom BCM5701 1000Base-T @0x80100000,node addr 000010181010 +eth0: BCM5700 with Broadcom BCM5701 Integrated Copper transceiver found +eth0: 32-bit PCI 33MHz, MTU: 1500,Rx Checksum ON +ARP broadcast 1 +TFTP from server 172.16.40.111; our IP address is 172.16.40.114 +Filename 'vmlinux.img'. +Load address: 0x100000 +Loading: ################################################################# + ####################################T ############################# + ###################### +done +Bytes 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 ... OK +Memory BAT mapping: BAT2=64Mb, BAT3=0Mb, residual: 0Mb +Linux version 2.4.19-rc3 (jfd@que) (gcc version 2.95.3 20010111 (prerelease/franzo/20010111)) #168 Mon Aug 5 23:29:20 PDT 2002 +CPU:82xx: 32 I-Cache Block Size, 32 D-Cache Block Size PVR: 0x810000 +U-Boot Environment: 0xc01b08f0 +IP PNP: 802.3 Ethernet Address=<0:0:10:18:10:10> +cpu0: MPC8245/KAHLUA-II : BMW Platform : 64MB RAM: BPLD Rev. 6e +NOTICE: mounting root file system via NFS +IP PNP: switch-2: eth0 IP 172.16.40.114/255.255.240.0 gateway 10.16.64.1 server 172.16.40.111 +On node 0 totalpages: 16384 +zone(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=172.16.40.114:172.16.40.111 +root_dev_setup:/dev/nfs or 00:ff +time_init: decrementer frequency = 16.501145 MHz +Calibrating delay loop... 175.71 BogoMIPS +Memory: 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 UNIFIX +PCI: Probing PCI hardware +Linux NET4.0 for Linux 2.4 +Based upon Swansea University Computer Society NET3.039 +Initializing RT netlink socket +Starting kswapd +devfs: v1.12a (20020514) Richard Gooch (rgooch@atnf.csiro.au) +devfs: devfs_debug: 0x0 +devfs: boot_options: 0x1 +Installing knfsd (copyright (C) 1996 okir@monad.swb.de). +pty: 256 Unix98 ptys configured +Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled +Testing ttyS0 (0xf7f51500, 0xf7f51500)... +Testing ttyS1 (0xfc004600, 0xfc004600)... +ttyS00 at 0xf7f51500 (irq = 24) is a ST16650 +ttyS01 at 0xfc004600 (irq = 25) is a 16550A +Real Time Clock Driver v1.10e +RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize +loop: loaded (max 8 devices) +TFFS 5.1.1 Flash disk driver for DiskOnChip +Copyright (C) 1998,2001 M-Systems Flash Disk Pioneers Ltd. +DOC device(s) found: 1 +fl_init: registered device at major: 100 +fl_geninit: registered device at major: 100 +Partition check: + fla: p1 +partition: /dev/fl/0: start_sect: 0,nr_sects: 32000 Fl_blk_size[]: 16000KB +partition: /dev/fl/1: start_sect: 2,nr_sects: 31998 Fl_blk_size[]: 15999KB +partition: /dev/fl/2: start_sect: 0,nr_sects: 0 Fl_blk_size[]: 0KB +partition: /dev/fl/3: start_sect: 0,nr_sects: 0 Fl_blk_size[]: 0KB +Broadcom Gigabit Ethernet Driver bcm5700 ver. 3.0.7 (07/17/02) +eth0: Broadcom BCM5701 found at mem bfff0000, IRQ 1, node addr 000010181010 +eth0: Broadcom BCM5701 Integrated Copper transceiver found +eth0: Scatter-gather ON, 64-bit DMA ON, Tx Checksum ON, Rx Checksum ON, 802.1Q VLAN ON +bond0 registered without MII link monitoring, in bonding mode. +rtc: unable to get misc minor +NET4: Linux TCP/IP 1.0 for NET4.0 +IP Protocols: ICMP, UDP, TCP, IGMP +IP: routing cache hash table of 512 buckets, 4Kbytes +TCP: Hash tables configured (established 4096 bind 4096) +bcm5700: eth0 NIC Link is UP, 100 Mbps half duplex +IP-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 172.16.40.111 +Looking up port of RPC 100005/1 on 172.16.40.111 +VFS: Mounted root (nfs filesystem). +Mounted devfs on /dev +Freeing unused kernel memory: 100k init +INIT: version 2.78 booting +Mounting local filesystems... +not mounted anything +Setting up symlinks in /dev...done. +Setting up extra devices in /dev...done. +Starting devfsd...Started device management daemon for /dev +INIT: Entering runlevel: 2 +Starting internet superserver: inetd. + + +Welcome to Linux/PPC +MPC8245/BMW + + +switch-2 login: root +Password: +PAM_unix[49]: (login) session opened for user root by LOGIN(uid=0) +Last login: Thu Nov 25 11:51:14 1920 on console + + +Welcome to Linux/PPC +MPC8245/BMW + + +login[49]: ROOT LOGIN on `console' + +root@switch-2:~# cat /proc/cpuinfo +cpu : 82xx +revision : 16.20 (pvr 8081 1014) +bogomips : 175.71 +vendor : Broadcom +machine : BMW/MPC8245 +root@switch-2:~# |