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-rw-r--r--README9
1 files changed, 9 insertions, 0 deletions
diff --git a/README b/README
index ce86e74..dee0e67 100644
--- a/README
+++ b/README
@@ -388,6 +388,15 @@ The following options need to be configured:
This define fills in the correct boot CPU in the boot
param header, the default value is zero if undefined.
+ CONFIG_OF_IDE_FIXUP
+
+ U-Boot can detect if an IDE device is present or not.
+ If not, and this new config option is activated, U-Boot
+ removes the ATA node from the DTS before booting Linux,
+ so the Linux IDE driver does not probe the device and
+ crash. This is needed for buggy hardware (uc101) where
+ no pull down resistor is connected to the signal IDE5V_DD7.
+
- vxWorks boot parameters:
bootvx constructs a valid bootline using the following