2005-04-07 13:35:12 +08:00
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Installation of U-Boot using PIBS firmware
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This document describes how to install U-Boot on the Ocotea PPC440GX
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Evaluation Board. We do not erase the PIBS firmware but install U-Boot in the
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soldered FLASH. After this you should be able to switch between PIBS and
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U-Boot via the switch U46 SW1. Please check that SW1 is off (= open) before
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continuing.
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Connect to the serial port 0 (J11 lower) of the Ocotea board using the cu
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program. See the hints for configuring cu above. Make sure you can
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communicate with the PIBS firmware: reset the board and hit ENTER a couple of
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times until you see the PIBS prompt (PIBS $). Then proceed as follows:
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Read MAC Addresses from PIBS
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----------------------------
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To read the configured MAC addresses available on your Ocotea board please use
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the following commands:
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PIBS $ echo $hwdaddr0
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000173017FE3
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PIBS $ echo $hwdaddr1
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000173017FE4
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PIBS $ echo $hwdaddr2
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000173017FE1
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PIBS $ echo $hwdaddr3
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000173017FE2
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In U-Boot this is stored in the following environment variables:
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* Ethernet Address 0: ethaddr = 000173017FE3 (==> 00:01:73:01:7F:E3)
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* Ethernet Address 1: eth1addr = 000173017FE4 (==> 00:01:73:01:7F:E4)
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* Ethernet Address 2: eth2addr = 000173017FE1 (==> 00:01:73:01:7F:E1)
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* Ethernet Address 3: eth3addr = 000173017FE2 (==> 00:01:73:01:7F:E2)
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Configure the network interface (ent0 == emac0)
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-----------------------------------------------
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To download the U-Boot image we need to configure the ethernet interface with
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the following commands:
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PIBS $ ifconfig ent0 192.168.160.142 netmask 255.255.0.0 up
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PIBS $ set ipdstaddr0=192.168.1.1
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status: writing PIBS variable value to FLASH
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PIBS $ set bootfilename=/tftpboot/ocotea/u-boot.bin
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status: writing PIBS variable value to FLASH
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Please insert correct parameters for your configuration (ip-addresses and
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file-location).
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Program U-Boot into soldered User-FLASH
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---------------------------------------
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Please make sure to use a newer version of U-Boot (at least 1.1.3), since
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older versions don't support running from user-FLASH.
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To program U-Boot into the soldered user-FLASH use the following command:
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PIBS $ storefile bin eth 0xffbc0000
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This commands loads the file vis ethernet into ram and copies it into the
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user-FLASH.
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Switch to U-Boot
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----------------
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Now you can turn your board off and switch SW1 (U46) to on (= closed). After
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powering the board you should see the following message:
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U-Boot 1.1.3 (Apr 5 2005 - 22:59:57)
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2005-09-23 17:05:55 +08:00
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AMCC PowerPC 440 GX Rev. C
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Board: AMCC 440GX Evaluation Board
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2005-04-20 17:28:54 +08:00
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VCO: 1066 MHz
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CPU: 533 MHz
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PLB: 152 MHz
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OPB: 76 MHz
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EPB: 76 MHz
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2005-04-07 13:35:12 +08:00
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I2C: ready
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DRAM: 256 MB
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2005-04-20 17:28:54 +08:00
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FLASH: 5 MB
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2005-04-07 13:35:12 +08:00
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PCI: Bus Dev VenId DevId Class Int
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In: serial
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Out: serial
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Err: serial
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KGDB: kgdb ready
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ready
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Net: ppc_440x_eth0, ppc_440x_eth1, ppc_440x_eth2, ppc_440x_eth3
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BEDBUG:ready
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=>
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April 06 2005, Stefan Roese <sr@denx.de>
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