[U-Boot] [PATCH] x86: turn off cache: set control register properly

Ondrej Kupka ondra.cap at gmail.com
Fri Sep 30 20:27:07 CEST 2011


Bits should be ORed when they are supposed to be added together

Cc: Graeme Russ <graeme.russ at gmail.com>
Signed-off-by: Ondrej Kupka <ondra.cap at gmail.com>
---
 arch/x86/cpu/start16.S |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S
index 3d3017a..9dabff2 100644
--- a/arch/x86/cpu/start16.S
+++ b/arch/x86/cpu/start16.S
@@ -50,7 +50,7 @@ board_init16_ret:
 
 	/* Turn of cache (this might require a 486-class CPU) */
 	movl	%cr0, %eax
-	orl	$(X86_CR0_NW & X86_CR0_CD), %eax
+	orl	$(X86_CR0_NW | X86_CR0_CD), %eax
 	movl	%eax, %cr0
 	wbinvd
 
-- 
1.7.4.1



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