18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ciif CPU_CAVIUM_OCTEON 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ciconfig CAVIUM_CN63XXP1 58c2ecf20Sopenharmony_ci bool "Enable CN63XXP1 errata workarounds" 68c2ecf20Sopenharmony_ci default "n" 78c2ecf20Sopenharmony_ci help 88c2ecf20Sopenharmony_ci The CN63XXP1 chip requires build time workarounds to 98c2ecf20Sopenharmony_ci function reliably, select this option to enable them. These 108c2ecf20Sopenharmony_ci workarounds will cause a slight decrease in performance on 118c2ecf20Sopenharmony_ci non-CN63XXP1 hardware, so it is recommended to select "n" 128c2ecf20Sopenharmony_ci unless it is known the workarounds are needed. 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_CVMSEG_SIZE 158c2ecf20Sopenharmony_ci int "Number of L1 cache lines reserved for CVMSEG memory" 168c2ecf20Sopenharmony_ci range 0 54 178c2ecf20Sopenharmony_ci default 1 188c2ecf20Sopenharmony_ci help 198c2ecf20Sopenharmony_ci CVMSEG LM is a segment that accesses portions of the dcache as a 208c2ecf20Sopenharmony_ci local memory; the larger CVMSEG is, the smaller the cache is. 218c2ecf20Sopenharmony_ci This selects the size of CVMSEG LM, which is in cache blocks. The 228c2ecf20Sopenharmony_ci legally range is from zero to 54 cache blocks (i.e. CVMSEG LM is 238c2ecf20Sopenharmony_ci between zero and 6192 bytes). 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ciendif # CPU_CAVIUM_OCTEON 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ciif CAVIUM_OCTEON_SOC 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2 308c2ecf20Sopenharmony_ci bool "Lock often used kernel code in the L2" 318c2ecf20Sopenharmony_ci default "y" 328c2ecf20Sopenharmony_ci help 338c2ecf20Sopenharmony_ci Enable locking parts of the kernel into the L2 cache. 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2_TLB 368c2ecf20Sopenharmony_ci bool "Lock the TLB handler in L2" 378c2ecf20Sopenharmony_ci depends on CAVIUM_OCTEON_LOCK_L2 388c2ecf20Sopenharmony_ci default "y" 398c2ecf20Sopenharmony_ci help 408c2ecf20Sopenharmony_ci Lock the low level TLB fast path into L2. 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2_EXCEPTION 438c2ecf20Sopenharmony_ci bool "Lock the exception handler in L2" 448c2ecf20Sopenharmony_ci depends on CAVIUM_OCTEON_LOCK_L2 458c2ecf20Sopenharmony_ci default "y" 468c2ecf20Sopenharmony_ci help 478c2ecf20Sopenharmony_ci Lock the low level exception handler into L2. 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2_LOW_LEVEL_INTERRUPT 508c2ecf20Sopenharmony_ci bool "Lock the interrupt handler in L2" 518c2ecf20Sopenharmony_ci depends on CAVIUM_OCTEON_LOCK_L2 528c2ecf20Sopenharmony_ci default "y" 538c2ecf20Sopenharmony_ci help 548c2ecf20Sopenharmony_ci Lock the low level interrupt handler into L2. 558c2ecf20Sopenharmony_ci 568c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2_INTERRUPT 578c2ecf20Sopenharmony_ci bool "Lock the 2nd level interrupt handler in L2" 588c2ecf20Sopenharmony_ci depends on CAVIUM_OCTEON_LOCK_L2 598c2ecf20Sopenharmony_ci default "y" 608c2ecf20Sopenharmony_ci help 618c2ecf20Sopenharmony_ci Lock the 2nd level interrupt handler in L2. 628c2ecf20Sopenharmony_ci 638c2ecf20Sopenharmony_ciconfig CAVIUM_OCTEON_LOCK_L2_MEMCPY 648c2ecf20Sopenharmony_ci bool "Lock memcpy() in L2" 658c2ecf20Sopenharmony_ci depends on CAVIUM_OCTEON_LOCK_L2 668c2ecf20Sopenharmony_ci default "y" 678c2ecf20Sopenharmony_ci help 688c2ecf20Sopenharmony_ci Lock the kernel's implementation of memcpy() into L2. 698c2ecf20Sopenharmony_ci 708c2ecf20Sopenharmony_ciconfig OCTEON_ILM 718c2ecf20Sopenharmony_ci tristate "Module to measure interrupt latency using Octeon CIU Timer" 728c2ecf20Sopenharmony_ci help 738c2ecf20Sopenharmony_ci This driver is a module to measure interrupt latency using the 748c2ecf20Sopenharmony_ci the CIU Timers on Octeon. 758c2ecf20Sopenharmony_ci 768c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here. The module 778c2ecf20Sopenharmony_ci will be called octeon-ilm 788c2ecf20Sopenharmony_ci 798c2ecf20Sopenharmony_ciendif # CAVIUM_OCTEON_SOC 80