diff --git a/tcl/board/dm355evm.cfg b/tcl/board/dm355evm.cfg
index 2e298b7e7..2c8bea829 100644
--- a/tcl/board/dm355evm.cfg
+++ b/tcl/board/dm355evm.cfg
@@ -182,7 +182,7 @@ proc dm355evm_init {} {
 	########################
 
 	# turn on icache - set I bit in cp15 register c1
-	mcr 0 0 1 0 0x00051078
+	mcr 15 0 0 1 0 0x00051078
 }
 
 # NAND -- socket has two chipselects, MT29F16G08FAA puts 1GByte on each one.
diff --git a/tcl/board/openrd.cfg b/tcl/board/openrd.cfg
index 4bc708dad..12cc79e49 100644
--- a/tcl/board/openrd.cfg
+++ b/tcl/board/openrd.cfg
@@ -29,7 +29,7 @@ proc openrd_init { } {
 	jtag_reset 0 0
 	wait_halt
 
-	mcr 0 0 1 0 0x00052078
+	mcr 15 0 0 1 0 0x00052078
 
 	mww 0xD0001400 0x43000C30 #  DDR SDRAM Configuration Register
 	mww 0xD0001404 0x37543000 #  Dunit Control Low Register
diff --git a/tcl/board/sheevaplug.cfg b/tcl/board/sheevaplug.cfg
index 8e8396d7e..9267eb957 100644
--- a/tcl/board/sheevaplug.cfg
+++ b/tcl/board/sheevaplug.cfg
@@ -29,7 +29,7 @@ proc sheevaplug_init { } {
 	jtag_reset 0 0
 	wait_halt
 
-	mcr 0 0 1 0 0x00052078
+	mcr 15 0 0 1 0 0x00052078
 
 	mww 0xD0001400 0x43000C30 #  DDR SDRAM Configuration Register
 	mww 0xD0001404 0x39543000 #  Dunit Control Low Register