diff options
Diffstat (limited to 'arch/arm/mach-shmobile/headsmp-scu.S')
| -rw-r--r-- | arch/arm/mach-shmobile/headsmp-scu.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S index 7d113f898e7..c5c9106bf6c 100644 --- a/arch/arm/mach-shmobile/headsmp-scu.S +++ b/arch/arm/mach-shmobile/headsmp-scu.S @@ -51,6 +51,19 @@ ENTRY(shmobile_secondary_vector_scu) 2: .long shmobile_scu_base - PAGE_OFFSET + PLAT_PHYS_OFFSET ENDPROC(shmobile_secondary_vector_scu) +ENTRY(shmobile_boot_scu) + @ r0 = SCU base address + mrc p15, 0, r1, c0, c0, 5 @ read MIPDR + and r1, r1, #3 @ mask out cpu ID + lsl r1, r1, #3 @ we will shift by cpu_id * 8 bits + ldr r2, [r0, #8] @ SCU Power Status Register + mov r3, #3 + bic r2, r2, r3, lsl r1 @ Clear bits of our CPU (Run Mode) + str r2, [r0, #8] @ write back + + b shmobile_invalidate_start +ENDPROC(shmobile_boot_scu) + .text .globl shmobile_scu_base shmobile_scu_base: |