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Freescale MPC83xx ADS Boards
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-----------------------------------------
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0. Toolchain / Building
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$ PATH=$PATH:/usr/powerpc/bin
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$ CROSS_COMPILE=powerpc-linux-
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$ export PATH CROSS_COMPILE
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$ powerpc-linux-gcc -v
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Reading specs from /usr/powerpc/lib/gcc/powerpc-linux/3.4.3/specs
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Configured with: ../configure --prefix=/usr/powerpc
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--exec-prefix=/usr/powerpc --target=powerpc-linux --enable-shared
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--disable-nls --disable-multilib --enable-languages=c,c++,ada,f77,objc
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Thread model: posix
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gcc version 3.4.3 (Debian)
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$ powerpc-linux-as -v
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GNU assembler version 2.15 (powerpc-linux) using BFD version 2.15
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$ make MPC8349ADS_config
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Configuring for MPC8349ADS board...
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$ make
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1. Board Switches and Jumpers
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2. Memory Map
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2.1. The memory map should look pretty much like this:
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0x0000_0000 0x7fff_ffff DDR 2G
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0x8000_0000 0x9fff_ffff PCI MEM 512M
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0xc000_0000 0xdfff_ffff Rapid IO 512M
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0xe000_0000 0xe00f_ffff CCSR 1M
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0xe200_0000 0xe2ff_ffff PCI IO 16M
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0xf000_0000 0xf7ff_ffff SDRAM 128M
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0xf800_0000 0xf80f_ffff BCSR 1M
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0xfe00_0000 0xffff_ffff FLASH (boot bank) 16M
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3. Definitions
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3.1 Explanation of NEW definitions in:
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include/configs/MPC8349ADS.h
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CONFIG_MPC83xx MPC83xx family
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CONFIG_MPC8349 MPC8349 specific
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CONFIG_MPC8349ADS MPC8349ADS board specific
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CONFIG_TSEC_ENET Use on-chip 10/100/1000 ethernet
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4. Compilation
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Assuming you're using BASH shell:
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export CROSS_COMPILE=your-cross-compile-prefix
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cd u-boot
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make distclean
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make MPC8349ADS_config
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make
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5. Downloading and Flashing Images
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5.0 Download over serial line using Kermit:
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loadb
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[Drop to kermit:
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^\c
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send <u-boot-bin-image>
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c
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]
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Or via tftp:
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tftp 10000 u-boot.bin
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5.1 Reflash U-boot Image using U-boot
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tftp 10000 u-boot.bin
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protect off fe000000 fe09ffff
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erase fe000000 fe09ffff
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cp.b 10000 fe000000 xxxx
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or
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cp.b 10000 fe000000 a0000
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You might have to supply the correct byte count for 'xxxx' from
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the TFTP. Maybe a0000 will work too, that corresponds to the
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erased sectors.
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6. Notes
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