From 193dd958344f9c27ed026d2e3db2a1a0a9eb5631 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 27 Jul 2006 16:14:05 +0200 Subject: AMCC bamboo (440EP) U-Boot image reduced to 384kbyte Please see doc/README.bamboo for details. Patch by Stefan Roese, 27 Jul 2006 --- doc/README.bamboo | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 doc/README.bamboo (limited to 'doc/README.bamboo') diff --git a/doc/README.bamboo b/doc/README.bamboo new file mode 100644 index 0000000000..b50be01ab7 --- /dev/null +++ b/doc/README.bamboo @@ -0,0 +1,15 @@ +The configuration for the AMCC 440EP eval board "Bamboo" was changed +to only use 384 kbytes of FLASH for the U-Boot image. This way the +redundant environment can be saved in the remaining 2 sectors of the +same flash chip. + +Caution: With an upgrade from an earlier U-Boot version the current +environment will be erased since the environment is now saved in +different sectors. By using the following command the environment can +be saved after upgrading the U-Boot image and *before* resetting the +board: + +setenv recover_env 'prot off FFF80000 FFF9FFFF;era FFF80000 FFF9FFFF;' \ + 'cp.b FFF60000 FFF80000 20000' + +2006-07-27, Stefan Roese -- cgit v1.2.3