Boards using secure firmware must use different CPU boot registers and
call secure firmware to boot the CPU.
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
---
arch/arm/mach-exynos/platsmp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 4ca8ff1..9f8bdaf 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -25,6 +25,7 @@
#include <asm/hardware/gic.h>
#include <asm/smp_plat.h>
#include <asm/smp_scu.h>
+#include <asm/firmware.h>
#include <mach/hardware.h>
#include <mach/regs-clock.h>
@@ -47,6 +48,8 @@ static inline void __iomem *cpu_boot_reg(int cpu)
{
void __iomem *boot_reg;
+ if (!call_firmware_op(cpu_boot_reg, cpu, &boot_reg))
+ return boot_reg;
boot_reg = cpu_boot_reg_base();
if (soc_is_exynos4412())
boot_reg += 4*cpu;
@@ -149,6 +152,10 @@ static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct
__raw_writel(virt_to_phys(exynos4_secondary_startup),
cpu_boot_reg(phys_cpu));
+
+ /* Call Exynos specific smc call */
+ call_firmware_op(cpu_boot, phys_cpu);
+
gic_raise_softirq(cpumask_of(cpu), 0);
if (pen_release == -1)
--
1.7.12
--
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