Enable the SMC instruction so that the kernel can use the psci code
Signed-off-by: Arnab Basu arnab.basu@freescale.com Reviewed-by: Bhupesh Sharma bhupesh.sharma@freescale.com Cc: Marc Zyngier marc.zyngier@arm.com --- arch/arm/include/asm/macro.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h index 0009c28..94a1e68 100644 --- a/arch/arm/include/asm/macro.h +++ b/arch/arm/include/asm/macro.h @@ -106,7 +106,11 @@ lr .req x30 .endm
.macro armv8_switch_to_el2_m, xreg1 +#ifdef CONFIG_ARMV8_PSCI + mov \xreg1, #0x531 /* Non-secure EL0/EL1 | HVC | 64bit EL2 */ +#else mov \xreg1, #0x5b1 /* Non-secure EL0/EL1 | HVC | 64bit EL2 */ +#endif msr scr_el3, \xreg1 msr cptr_el3, xzr /* Disable coprocessor traps to EL3 */ mov \xreg1, #0x33ff