WSL2-Linux-Kernel/drivers/memory/Kconfig

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#
# Memory devices
#
menuconfig MEMORY
bool "Memory Controller drivers"
if MEMORY
config TI_AEMIF
tristate "Texas Instruments AEMIF driver"
depends on (ARCH_DAVINCI || ARCH_KEYSTONE) && OF
help
This driver is for the AEMIF module available in Texas Instruments
SoCs. AEMIF stands for Asynchronous External Memory Interface and
is intended to provide a glue-less interface to a variety of
asynchronuous memory devices like ASRAM, NOR and NAND memory. A total
of 256M bytes of any of these memories can be accessed at a given
time via four chip selects with 64M byte access per chip select.
config TI_EMIF
tristate "Texas Instruments EMIF driver"
depends on ARCH_OMAP2PLUS
select DDR
help
This driver is for the EMIF module available in Texas Instruments
SoCs. EMIF is an SDRAM controller that, based on its revision,
supports one or more of DDR2, DDR3, and LPDDR2 SDRAM protocols.
This driver takes care of only LPDDR2 memories presently. The
functions of the driver includes re-configuring AC timing
parameters and other settings during frequency, voltage and
temperature changes
config MVEBU_DEVBUS
bool "Marvell EBU Device Bus Controller"
default y
depends on PLAT_ORION && OF
help
This driver is for the Device Bus controller available in some
Marvell EBU SoCs such as Discovery (mv78xx0), Orion (88f5xxx) and
Armada 370 and Armada XP. This controller allows to handle flash
devices such as NOR, NAND, SRAM, and FPGA.
config TEGRA20_MC
bool "Tegra20 Memory Controller(MC) driver"
default y
depends on ARCH_TEGRA_2x_SOC
help
This driver is for the Memory Controller(MC) module available
in Tegra20 SoCs, mainly for a address translation fault
analysis, especially for IOMMU/GART(Graphics Address
Relocation Table) module.
config TEGRA30_MC
bool "Tegra30 Memory Controller(MC) driver"
default y
depends on ARCH_TEGRA_3x_SOC
help
This driver is for the Memory Controller(MC) module available
in Tegra30 SoCs, mainly for a address translation fault
analysis, especially for IOMMU/SMMU(System Memory Management
Unit) module.
config FSL_CORENET_CF
tristate "Freescale CoreNet Error Reporting"
depends on FSL_SOC_BOOKE
help
Say Y for reporting of errors from the Freescale CoreNet
Coherency Fabric. Errors reported include accesses to
physical addresses that mapped by no local access window
(LAW) or an invalid LAW, as well as bad cache state that
represents a coherency violation.
powerpc: select MEMORY for FSL_IFC to not break existing .config files commit d2ae2e20fbdde5a65f3a5a153044ab1e5c53f7cc ("driver/memory:Move Freescale IFC driver to a common driver") introduces this build regression into the mpc85xx_defconfig: drivers/built-in.o: In function `fsl_ifc_nand_remove': drivers/mtd/nand/fsl_ifc_nand.c:1147: undefined reference to `fsl_ifc_ctrl_dev' drivers/mtd/nand/fsl_ifc_nand.c:1147: undefined reference to `fsl_ifc_ctrl_dev' drivers/built-in.o: In function `fsl_ifc_nand_probe': drivers/mtd/nand/fsl_ifc_nand.c:1031: undefined reference to `fsl_ifc_ctrl_dev' drivers/mtd/nand/fsl_ifc_nand.c:1031: undefined reference to `fsl_ifc_ctrl_dev' drivers/built-in.o: In function `match_bank': drivers/mtd/nand/fsl_ifc_nand.c:1013: undefined reference to `convert_ifc_address' drivers/built-in.o: In function `fsl_ifc_nand_probe': drivers/mtd/nand/fsl_ifc_nand.c:1059: undefined reference to `fsl_ifc_ctrl_dev' drivers/mtd/nand/fsl_ifc_nand.c:1080: undefined reference to `fsl_ifc_ctrl_dev' drivers/mtd/nand/fsl_ifc_nand.c:1069: undefined reference to `fsl_ifc_ctrl_dev' drivers/mtd/nand/fsl_ifc_nand.c:1069: undefined reference to `fsl_ifc_ctrl_dev' make: *** [vmlinux] Error 1 This happens because there is nothing to descend us into the drivers/memory directory in the mpc85xx_defconfig. It wasn't selecting CONFIG_MEMORY. So we never built drivers/memory/fsl_ifc.o and so we have nothing to link the above symbols against. Since the goal of the original commit was to relocate the driver to an arch independent location, it only makes sense to relocate the Kconfig setting there as well. But that alone won't fix the build failure; for that we ensure whoever selects FSL_IFC also selects MEMORY. Cc: Prabhakar Kushwaha <prabhakar@freescale.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-20 02:46:40 +04:00
config FSL_IFC
bool
depends on FSL_SOC
endif