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bsps/arm: Cortex-A9 MPCore start

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Enable SCU only on the boot processor.
This commit is contained in:
Sebastian Huber
2014-06-04 10:05:14 +02:00
parent b938108b3d
commit e87ccf547b
1 changed files with 4 additions and 4 deletions
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8
c/src/lib/libbsp/arm/shared/include/arm-a9mpcore-start.h
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@@ -143,16 +143,16 @@ BSP_START_TEXT_SECTION static inline void arm_a9mpcore_start_hook_0(void)
{ {
volatile a9mpcore_scu *scu = volatile a9mpcore_scu *scu =
(volatile a9mpcore_scu *) BSP_ARM_A9MPCORE_SCU_BASE; (volatile a9mpcore_scu *) BSP_ARM_A9MPCORE_SCU_BASE;
uint32_t cpu_id; uint32_t cpu_id = arm_cortex_a9_get_multiprocessor_cpu_id();
arm_a9mpcore_start_scu_enable(scu); if (cpu_id == 0) {
arm_a9mpcore_start_scu_enable(scu);
}
#ifdef RTEMS_SMP #ifdef RTEMS_SMP
arm_a9mpcore_start_enable_smp_in_auxiliary_control(); arm_a9mpcore_start_enable_smp_in_auxiliary_control();
#endif #endif
cpu_id = arm_cortex_a9_get_multiprocessor_cpu_id();
arm_a9mpcore_start_scu_invalidate(scu, cpu_id, 0xf); arm_a9mpcore_start_scu_invalidate(scu, cpu_id, 0xf);
#ifdef RTEMS_SMP #ifdef RTEMS_SMP