| 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | menuconfig CACHEMAINT_FOR_DMA |
| 4 | bool "Cache management for noncoherent DMA" |
| 5 | depends on RISCV |
| 6 | default y |
| 7 | help |
| 8 | These drivers implement support for noncoherent DMA master devices |
| 9 | on platforms that lack the standard CPU interfaces for this. |
| 10 | |
| 11 | if CACHEMAINT_FOR_DMA |
| 12 | |
| 13 | config AX45MP_L2_CACHE |
| 14 | bool "Andes Technology AX45MP L2 Cache controller" |
| 15 | select RISCV_NONSTANDARD_CACHE_OPS |
| 16 | help |
| 17 | Support for the L2 cache controller on Andes Technology AX45MP platforms. |
| 18 | |
| 19 | config SIFIVE_CCACHE |
| 20 | bool "Sifive Composable Cache controller" |
| 21 | depends on ARCH_SIFIVE || ARCH_STARFIVE |
| 22 | help |
| 23 | Support for the composable cache controller on SiFive platforms. |
| 24 | |
| 25 | config STARFIVE_STARLINK_CACHE |
| 26 | bool "StarFive StarLink Cache controller" |
| 27 | depends on ARCH_STARFIVE |
| 28 | depends on 64BIT |
| 29 | select RISCV_DMA_NONCOHERENT |
| 30 | select RISCV_NONSTANDARD_CACHE_OPS |
| 31 | help |
| 32 | Support for the StarLink cache controller IP from StarFive. |
| 33 | |
| 34 | endif #CACHEMAINT_FOR_DMA |
| 35 | |
| 36 | menuconfig CACHEMAINT_FOR_HOTPLUG |
| 37 | bool "Cache management for memory hot plug like operations" |
| 38 | depends on GENERIC_CPU_CACHE_MAINTENANCE |
| 39 | help |
| 40 | These drivers implement cache management for flows where it is necessary |
| 41 | to flush data from all host caches. |
| 42 | |
| 43 | if CACHEMAINT_FOR_HOTPLUG |
| 44 | |
| 45 | config HISI_SOC_HHA |
| 46 | tristate "HiSilicon Hydra Home Agent (HHA) device driver" |
| 47 | depends on (ARM64 && ACPI) || COMPILE_TEST |
| 48 | help |
| 49 | The Hydra Home Agent (HHA) is responsible for cache coherency |
| 50 | on the SoC. This drivers enables the cache maintenance functions of |
| 51 | the HHA. |
| 52 | |
| 53 | This driver can be built as a module. If so, the module will be |
| 54 | called hisi_soc_hha. |
| 55 | |
| 56 | endif #CACHEMAINT_FOR_HOTPLUG |