Multicore Expert Series: QorIQ Power Management Technologies

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• CPU topology − SMT − Multicore − CPU packages − NUMA TM 36 Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, MagniV, MXC, Platform in a Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc.
TM Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, ColdFire+, C-Ware, the Energy Efficient Solutions logo, Kinetis, mobileGT, PowerQUICC, Processor Expert, QorIQ, Qorivva, StarCore, Symphony and VortiQa are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, CoreNet, Flexis, MagniV, MXC, Platform in a Package, QorIQ Qonverge, QUICC Engine, Ready Play, SafeAssure, the SafeAssure logo, SMARTMOS, TurboLink, Vybrid and Xtrinsic are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2012 Freescale Semiconductor, Inc. .
Page 1 and 2: June 2012 TM Freescale, the Freesca
Page 3 and 4: • Power Management Basics • Qor
Page 5 and 6: • CMOS Energy Consumption − Dyn
Page 7 and 8: • Manual − User command (PC-sty
Page 9 and 10: TM Freescale, the Freescale logo, A
Page 11 and 12: Off during Deep Sleep On during Dee
Page 13 and 14: Cluster State PCL00 PCL00 PCL00 PCL
Page 15 and 16: Security Accel XOR LCD (DIU) TDM /I
Page 17 and 18: • Packets received during sleep b
Page 19 and 20: Today: All CPUs in Pool Channel deq
Page 21 and 22: TM Freescale, the Freescale logo, A
Page 23 and 24: • cpu_idle() -- arch/powerpc/kern
Page 25 and 26: • Send CPU_DOWN_PREPARE notificat
Page 27 and 28: • Put system into low-power state
Page 29 and 30: pmc_suspend_enter() -- arch/powerpc
Page 31 and 32: • Hardware wait for POWER_OK sign
Page 33 and 34: • PM notifier • SCHED_MC TM 33
Page 35: • Linux scheduling policy • /sy
Page 39 and 40: • Examine the load profile of use
Page 41 and 42: • Consider clock consolidations -
Page 43 and 44: • Designing a power supply that c
Page 45 and 46: • Freescale devices require OVdd
Page 47: • Power Management Basics • Qor

Multicore Expert Series: QorIQ Power Management Technologies

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