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-rw-r--r--README9
1 files changed, 9 insertions, 0 deletions
diff --git a/README b/README
index 67dc444bd4d..bb1b725672a 100644
--- a/README
+++ b/README
@@ -374,6 +374,15 @@ The following options need to be configured:
Defines the string to utilize when trying to match PCIe device
tree nodes for the given platform.
+ CONFIG_SYS_PPC_E500_DEBUG_TLB
+
+ Enables a temporary TLB entry to be used during boot to work
+ around limitations in e500v1 and e500v2 external debugger
+ support. This reduces the portions of the boot code where
+ breakpoints and single stepping do not work. The value of this
+ symbol should be set to the TLB1 entry to be used for this
+ purpose.
+
- Generic CPU options:
CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN