Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / mpc8323erdb / README

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+Freescale MPC8323ERDB Board
+-----------------------------------------
+
+1.     Memory Map
+       The memory map looks like this:
+
+       0x0000_0000     0x03ff_ffff     DDR              64M
+       0x8000_0000     0x8fff_ffff     PCI MEM          256M
+       0x9000_0000     0x9fff_ffff     PCI_MMIO         256M
+       0xe000_0000     0xe00f_ffff     IMMR             1M
+       0xd000_0000     0xd3ff_ffff     PCI IO           64M
+       0xfe00_0000     0xfeff_ffff     NOR FLASH (CS0)  16M
+
+2.     Compilation
+
+       Assuming you're using BASH (or similar) as your shell:
+
+       export CROSS_COMPILE=your-cross-compiler-prefix-
+       make distclean
+       make MPC8323ERDB_config
+       make
+
+3.     Downloading and Flashing Images
+
+3.1    Reflash U-boot Image using U-boot
+
+       N.b, have an alternate means of programming
+       the flash available if the new u-boot doesn't boot.
+
+       First try a:
+
+       tftpboot $loadaddr $uboot
+
+       to make sure that the TFTP load will succeed before
+       an erase goes ahead and wipes out your current firmware.
+       Then do a:
+
+       run tftpflash
+
+       which is a shorter version of the manual sequence:
+
+       tftp $loadaddr u-boot.bin
+       protect off fe000000 +$filesize
+       erase fe000000 +$filesize
+       cp.b $loadaddr fe000000 $filesize
+
+       To keep your old u-boot's environment variables, do a:
+
+       saveenv
+
+       prior to resetting the board.
+
+3.2    Downloading and Booting Linux Kernel
+
+       Ensure that all networking-related environment variables are set
+       properly (including ipaddr, serverip, gatewayip (if needed),
+       netmask, ethaddr, eth1addr, rootpath (if using NFS root),
+       fdtfile, and bootfile).
+
+       Then, do one of the following, depending on whether you
+       want an NFS root or a ramdisk root:
+
+       run nfsboot
+
+       or
+
+       run ramboot
+
+4      Notes
+
+       The console baudrate for MPC8323ERDB is 115200bps.