tree 0c0170ed290533e2d1cf3576090afd5277fed579
parent a18bcb7450840f07a772a45229de4811d930f461
author Catalin Marinas <[EMAIL PROTECTED]> Wed, 06 Jul 2005 23:06:03 +0100
committer Russell King <[EMAIL PROTECTED]> Wed, 06 Jul 2005 23:06:03 +0100
[PATCH] ARM: 2789/1: Enable access to both CP10 and CP11 on ARMv6
Patch from Catalin Marinas
The VFP instructions trigger undefined exceptions because the access to
CP11 is disabled (only CP10 is currently enabled by the kernel). The patch
fixes this problem.
Signed-off-by: Catalin Marinas <[EMAIL PROTECTED]>
Signed-off-by: Russell King <[EMAIL PROTECTED]>
arch/arm/mm/proc-v6.S | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -200,7 +200,7 @@ __v6_setup:
mcr p15, 0, r4, c2, c0, 1 @ load TTB1
#ifdef CONFIG_VFP
mrc p15, 0, r0, c1, c0, 2
- orr r0, r0, #(3 << 20)
+ orr r0, r0, #(0xf << 20)
mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP
#endif
mrc p15, 0, r0, c1, c0, 0 @ read control register
-
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