1# SPDX-License-Identifier: GPL-2.0-only 2config SPI_ASPEED_SMC 3 tristate "Aspeed flash controllers in SPI mode" 4 depends on ARCH_ASPEED || COMPILE_TEST 5 depends on HAS_IOMEM && OF 6 help 7 This enables support for the Firmware Memory controller (FMC) 8 in the Aspeed AST2500/AST2400 SoCs when attached to SPI NOR chips, 9 and support for the SPI flash memory controller (SPI) for 10 the host firmware. The implementation only supports SPI NOR. 11 12config SPI_CADENCE_QUADSPI 13 tristate "Cadence Quad SPI controller" 14 depends on OF && (ARM || ARM64 || COMPILE_TEST) 15 help 16 Enable support for the Cadence Quad SPI Flash controller. 17 18 Cadence QSPI is a specialized controller for connecting an SPI 19 Flash over 1/2/4-bit wide bus. Enable this option if you have a 20 device with a Cadence QSPI controller and want to access the 21 Flash as an MTD device. 22 23config SPI_HISI_SFC 24 tristate "Hisilicon FMC SPI-NOR Flash Controller(SFC)" 25 depends on ARCH_HISI || COMPILE_TEST 26 depends on HAS_IOMEM 27 help 28 This enables support for HiSilicon FMC SPI-NOR flash controller. 29 30config SPI_NXP_SPIFI 31 tristate "NXP SPI Flash Interface (SPIFI)" 32 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 33 depends on HAS_IOMEM 34 help 35 Enable support for the NXP LPC SPI Flash Interface controller. 36 37 SPIFI is a specialized controller for connecting serial SPI 38 Flash. Enable this option if you have a device with a SPIFI 39 controller and want to access the Flash as a mtd device. 40 41config SPI_INTEL_SPI 42 tristate 43 44config SPI_INTEL_SPI_PCI 45 tristate "Intel PCH/PCU SPI flash PCI driver (DANGEROUS)" 46 depends on X86 && PCI 47 select SPI_INTEL_SPI 48 help 49 This enables PCI support for the Intel PCH/PCU SPI controller in 50 master mode. This controller is present in modern Intel hardware 51 and is used to hold BIOS and other persistent settings. Using 52 this driver it is possible to upgrade BIOS directly from Linux. 53 54 Say N here unless you know what you are doing. Overwriting the 55 SPI flash may render the system unbootable. 56 57 To compile this driver as a module, choose M here: the module 58 will be called intel-spi-pci. 59 60config SPI_INTEL_SPI_PLATFORM 61 tristate "Intel PCH/PCU SPI flash platform driver (DANGEROUS)" 62 depends on X86 63 select SPI_INTEL_SPI 64 help 65 This enables platform support for the Intel PCH/PCU SPI 66 controller in master mode. This controller is present in modern 67 Intel hardware and is used to hold BIOS and other persistent 68 settings. Using this driver it is possible to upgrade BIOS 69 directly from Linux. 70 71 Say N here unless you know what you are doing. Overwriting the 72 SPI flash may render the system unbootable. 73 74 To compile this driver as a module, choose M here: the module 75 will be called intel-spi-platform. 76