path: root/arch/powerpc/include/asm/reg.h
diff options
authorMichael Neuling <mikey@neuling.org>2012-11-02 16:41:58 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-15 15:08:06 +1100
commitb0302722eec7c086a31de6e3d9789304ef21df7b (patch)
tree85614ae0a912bff7e9d7a2164a2952a50df13526 /arch/powerpc/include/asm/reg.h
parentf7c32c24f5788798f17d4e520a5d238335a859cb (diff)
powerpc: Setup relocation on exceptions for bare metal systems
This turns on MMU on execptions via AIL field in the LPCR. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 7b44a6e3e0f..1b853f744f8 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -249,6 +249,8 @@
#define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */
#define LPCR_RMLS_SH (63-37)
#define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */
+#define LPCR_AIL_0 0x00000000 /* MMU off exception offset 0x0 */
+#define LPCR_AIL_3 0x01800000 /* MMU on exception offset 0xc00...4xxx */
#define LPCR_PECE 0x00007000 /* powersave exit cause enable */
#define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */
#define LPCR_PECE1 0x00002000 /* decrementer can cause exit */