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TM June 2012 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. • Small-Cell Internals • Small Cell based on BSC9131 • BSC913x Software Architecture • IPC Architecture • FAPI Messages to IPC Channel binding • Use Cases • Q&A 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, TM 2 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. • Small Cell = Home or small office cellular base stations supporting the following standards: • LTE-FDD/TDD • WCDMA (HSPA+) • CDMA2K • TD-SCDMA 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, TM 3 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. BSP L2 Stack FAPI L1 Stack FAPI : • Small Cell Forum Femto Application Programming Interface 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, TM 4 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. LTE L1 FAPI (p5/p7) LTE L2 Small Cell Broadband Router 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, TM 5 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. SC3850 e500v2 Coherency RRC L1 Framework X1-AP/ RoHC PDCP WCDMA Components (26.21x) S1-AP GTP-C RLC LTE Components (SP Lib) GTP-U MAC PDSCH PUSCH PRACH SRS IKE/ CP WCDMA (25.32x) WCDMA DL SCH UL SCH PDCCH PUCCH UIO PMAL L2 I/F L2 Linux N/W Stack S D O S S PSC SSC L1 IF PHICH PFICH FAPI TCP/UDP SCTP IPSec MCH PMCH BCH PBCH RT Sched ASF - IPSec IF4 IPC Driver IPC Driver MAPLE Abstraction Layer SEC Driver Eth Driver L1 Dcache L1 I Cache L1 I Cache L1 DCache L2/M2 Cache L2 Cache Class ECM RF I/F MAPLE B2F DDR SEC 4.0 VeTSEC FSL BSP Linux Aricent FSL L1 Data Packet flow Control Packet flow 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, TM 6 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. • Shared Library • Provides Zero Copy • Lock Free, No synchronization required • Independent Unidirectional Channels − Single Producer – Single Consumer • Multicore Ready 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, TM 7 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. Eth/ Eth/ IPSec Payload Payload IPSec • Mutliple buffer domains Ciphering (SEC HW) Transport − Transport, GTP/PDCP L2 IP/UDP Payload GTP Payload − L2 /GTP − L1 IP Payload IP Payload • zero-copy operation through use of SEC RoHC RoHC RoHC Payload engine between Payload domains Ciphering (SEC HW) Ciphering (SEC HW) • Custom buffer pools for all domains for optimum Ciphered data Ciphered data performance • Optimized PDCP Ciphered data PDCP Ciphered data implementation of virtual ↔ physical address translation RLC APIs as required for HW accelerator interfacing MAC • Asynchronous buffer L2/L1 IF (DMA HW) return L1 CRC 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, TM 8 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. • Pointer Channel − Producer allocates memory and provides consumer the pointer via this channel. Producer Consumer Shared Memory Buffer Phys Addr 0x0100 fsl_ipc_send_ptr(1, 0x100,0x1000) fsl_ipc_recv_ptr(1, &ptr, &size) Size 0x1000 Producer Num Consumer Num Zero Copy Lock Free IPC Channel Data Structure 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, TM 9 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. • MSG Channel − For small messages. IPC copies producer buffer in a message ring. IPC later copies the message from message ring to consumer buffer. Consumer Producer Consumer Producer Memory Memory Buffer VirtAddr 0xaa100 Size 0x100 fsl_ipc_send_msg(1, 0xaa100, 0x100) fsl_ipc_recv_msg(1, ptr, &size) 0x8000 Producer Num 0x8800 Consumer Num Message Ring IPC Channel Data Structure 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, TM 10 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. • Tx Request Channel − For small messages and large PDU’s. IPC copies producer buffer in a message ring and uses DMA to linearize fragmented PDUs. Shared Consumer Memory Producer Consumer Producer Memory Memory Buffer VirtAddr 0xaa100 Size 0x100 fsl_ipc_send_txreq(1, 0xaa100, 0x100, fsl_ipc_recv_msg(1, ptr, &size) sg_list) DMA 0xa000 0x8000 Producer Num