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authorCatalin Marinas <catalin.marinas@arm.com>2005-07-06 18:06:03 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-07-06 18:06:03 -0400
commitd1d890edace65721e9a7582545c943f67f500709 (patch)
tree0c0170ed290533e2d1cf3576090afd5277fed579 /arch/arm
parenta18bcb7450840f07a772a45229de4811d930f461 (diff)
[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 <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mm/proc-v6.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index e3d8510f4340..352db98ee269 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -200,7 +200,7 @@ __v6_setup:
200 mcr p15, 0, r4, c2, c0, 1 @ load TTB1 200 mcr p15, 0, r4, c2, c0, 1 @ load TTB1
201#ifdef CONFIG_VFP 201#ifdef CONFIG_VFP
202 mrc p15, 0, r0, c1, c0, 2 202 mrc p15, 0, r0, c1, c0, 2
203 orr r0, r0, #(3 << 20) 203 orr r0, r0, #(0xf << 20)
204 mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP 204 mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP
205#endif 205#endif
206 mrc p15, 0, r0, c1, c0, 0 @ read control register 206 mrc p15, 0, r0, c1, c0, 0 @ read control register