diff options
| -rw-r--r-- | arch/arm/cpu/armv7/psci.S | 23 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/psci.S | 20 |
2 files changed, 25 insertions, 18 deletions
diff --git a/arch/arm/cpu/armv7/psci.S b/arch/arm/cpu/armv7/psci.S index cdcdccd..7d89b43 100644 --- a/arch/arm/cpu/armv7/psci.S +++ b/arch/arm/cpu/armv7/psci.S @@ -165,6 +165,15 @@ ENTRY(psci_disable_smp) ENDPROC(psci_disable_smp) .weak psci_disable_smp +ENTRY(psci_enable_smp) + mrc p15, 0, r0, c1, c0, 1 @ ACTLR + orr r0, r0, #(1 << 6) @ Set SMP bit + mcr p15, 0, r0, c1, c0, 1 @ ACTLR + isb + bx lr +ENDPROC(psci_enable_smp) +.weak psci_enable_smp + ENTRY(psci_cpu_off_common) push {lr} @@ -184,4 +193,18 @@ ENTRY(psci_cpu_off_common) bx lr ENDPROC(psci_cpu_off_common) +ENTRY(psci_cpu_entry) + bl psci_enable_smp + + bl _nonsec_init + + adr r0, _psci_target_pc + ldr r0, [r0] + b _do_nonsec_entry +ENDPROC(psci_cpu_entry) + +.globl _psci_target_pc +_psci_target_pc: + .word 0 + .popsection diff --git a/arch/arm/cpu/armv7/sunxi/psci.S b/arch/arm/cpu/armv7/sunxi/psci.S index 05d047b..90dcff1 100644 --- a/arch/arm/cpu/armv7/sunxi/psci.S +++ b/arch/arm/cpu/armv7/sunxi/psci.S @@ -139,7 +139,7 @@ out: mcr p15, 0, r7, c1, c1, 0 @ r2 = target PC .globl psci_cpu_on psci_cpu_on: - adr r0, _target_pc + ldr r0, =_psci_target_pc str r2, [r0] dsb @@ -151,7 +151,7 @@ psci_cpu_on: mov r4, #1 lsl r4, r4, r1 - adr r6, _sunxi_cpu_entry + ldr r6, =psci_cpu_entry str r6, [r0, #0x1a4] @ PRIVATE_REG (boot vector) @ Assert reset on target CPU @@ -197,22 +197,6 @@ psci_cpu_on: mov r0, #ARM_PSCI_RET_SUCCESS @ Return PSCI_RET_SUCCESS mov pc, lr -_target_pc: - .word 0 - -_sunxi_cpu_entry: - @ Set SMP bit - mrc p15, 0, r0, c1, c0, 1 - orr r0, r0, #0x40 - mcr p15, 0, r0, c1, c0, 1 - isb - - bl _nonsec_init - - adr r0, _target_pc - ldr r0, [r0] - b _do_nonsec_entry - .globl psci_cpu_off psci_cpu_off: bl psci_cpu_off_common |