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README.hardware: remove u-boot flashing instructions for mpc8315e-rdb 

Upgrading u-boot is apparently not necessary with current board revisions,
and these instructions may not work properly anyway (our toolchain seems not
to be able to compile u-boot in the way described), and given that they are
potentially risky they should be removed.

(From OE-Core rev: 52a85e805797bff2ec53b2356da8daf224460e9e)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2011-03-31 14:33:16 +01:00 committed by Richard Purdie
parent 37f3ef2cfd
commit 7e6fb9209e
1 changed files with 3 additions and 26 deletions
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README.hardware
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@ -234,32 +234,7 @@ You will need the following:
* nfs root setup on your workstation
* tftp server installed on your workstation
The original U-Boot image on board can't boot kernel versions 2.6.34 or later
successfully, so the U-Boot image should be upgraded to the latest U-Boot.
1. First build a new U-Boot image for mpc8315e-rdb, u-boot.bin.mpc8315erdb,
then make it available on your tftp server. To compile the new u-boot:
$ git clone git://git.denx.de/u-boot.git
$ cd u-boot
$ git checkout -b v2010.09-mpc8315erdb v2010.09
$ make ARCH=powerpc CROSS_COMPILE=<powerpc cross compiler path> MPC8315ERDB_config
$ make ARCH=powerpc CROSS_COMPILE=<powerpc cross compiler path> all
$ cp u-boot.bin u-boot.bin.mpc8315erdb
2. Set up the environment in U-Boot:
=>setenv ipaddr <board ip>
=>setenv serverip <tftp server ip>
3. Flash the new U-Boot image:
=>tftp 200000 u-boot.bin.mpc8315erdb
=>protect off all
=>erase fe000000 +60000
=>cp.b 200000 fe000000 60000
Then the kernel can be booted successfully:
Load the kernel and boot it as follows:
1. Get the kernel (uImage.mpc8315erdb) and dtb (mpc8315erdb.dtb) files from
the Poky build tmp/deploy directory, and make them available on your tftp
@ -267,6 +242,8 @@ Then the kernel can be booted successfully:
2. Set up the environment in U-Boot:
=>setenv ipaddr <board ip>
=>setenv serverip <tftp server ip>
=>setenv bootargs root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:255.255.255.0:mpc8315e:eth0:off console=ttyS0,115200
3. Download kernel and dtb to boot kernel.