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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/drivers/memory/Kconfig
....@@ -1,11 +1,26 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
12 #
23 # Memory devices
34 #
45 
56 menuconfig MEMORY
67 	bool "Memory Controller drivers"
8
+	help
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+	  This option allows to enable specific memory controller drivers,
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+	  useful mostly on embedded systems.  These could be controllers
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+	  for DRAM (SDR, DDR), ROM, SRAM and others.  The drivers features
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+	  vary from memory tuning and frequency scaling to enabling
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+	  access to attached peripherals through memory bus.
714 
815 if MEMORY
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+
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+config DDR
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+	bool
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+	help
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+	  Data from JEDEC specs for DDR SDRAM memories,
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+	  particularly the AC timing parameters and addressing
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+	  information. This data is useful for drivers handling
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+	  DDR SDRAM controllers.
924 
1025 config ARM_PL172_MPMC
1126 	tristate "ARM PL172 MPMC driver"
....@@ -17,8 +32,9 @@
1732 
1833 config ATMEL_SDRAMC
1934 	bool "Atmel (Multi-port DDR-)SDRAM Controller"
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-	default y
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-	depends on ARCH_AT91 && OF
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+	default y if ARCH_AT91
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+	depends on ARCH_AT91 || COMPILE_TEST
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+	depends on OF
2238 	help
2339 	  This driver is for Atmel SDRAM Controller or Atmel Multi-port
2440 	  DDR-SDRAM Controller available on Atmel AT91SAM9 and SAMA5 SoCs.
....@@ -27,8 +43,9 @@
2743 
2844 config ATMEL_EBI
2945 	bool "Atmel EBI driver"
30
-	default y
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-	depends on ARCH_AT91 && OF
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+	default y if ARCH_AT91
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+	depends on ARCH_AT91 || COMPILE_TEST
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+	depends on OF
3249 	select MFD_SYSCON
3350 	select MFD_ATMEL_SMC
3451 	help
....@@ -37,9 +54,33 @@
3754 	  tree is used. This bus supports NANDs, external ethernet controller,
3855 	  SRAMs, ATA devices, etc.
3956 
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+config BRCMSTB_DPFE
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+	bool "Broadcom STB DPFE driver" if COMPILE_TEST
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+	default y if ARCH_BRCMSTB
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+	depends on ARCH_BRCMSTB || COMPILE_TEST
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+	help
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+	  This driver provides access to the DPFE interface of Broadcom
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+	  STB SoCs. The firmware running on the DCPU inside the DDR PHY can
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+	  provide current information about the system's RAM, for instance
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+	  the DRAM refresh rate. This can be used as an indirect indicator
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+	  for the DRAM's temperature. Slower refresh rate means cooler RAM,
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+	  higher refresh rate means hotter RAM.
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+
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+config BT1_L2_CTL
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+	bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
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+	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
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+	select MFD_SYSCON
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+	help
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+	  Baikal-T1 CPU is based on the MIPS P5600 Warrior IP-core. The CPU
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+	  resides Coherency Manager v2 with embedded 1MB L2-cache. It's
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+	  possible to tune the L2 cache performance up by setting the data,
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+	  tags and way-select latencies of RAM access. This driver provides a
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+	  dt properties-based and sysfs interface for it.
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+
4080 config TI_AEMIF
4181 	tristate "Texas Instruments AEMIF driver"
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-	depends on (ARCH_DAVINCI || ARCH_KEYSTONE) && OF
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+	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
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+	depends on OF
4384 	help
4485 	  This driver is for the AEMIF module available in Texas Instruments
4586 	  SoCs. AEMIF stands for Asynchronous External Memory Interface and
....@@ -50,7 +91,7 @@
5091 
5192 config TI_EMIF
5293 	tristate "Texas Instruments EMIF driver"
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-	depends on ARCH_OMAP2PLUS
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+	depends on ARCH_OMAP2PLUS || COMPILE_TEST
5495 	select DDR
5596 	help
5697 	  This driver is for the EMIF module available in Texas Instruments
....@@ -62,7 +103,8 @@
62103 	  temperature changes
63104 
64105 config OMAP_GPMC
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-	bool
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+	bool "Texas Instruments OMAP SoC GPMC driver" if COMPILE_TEST
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+	depends on OF_ADDRESS
66108 	select GPIOLIB
67109 	help
68110 	  This driver is for the General Purpose Memory Controller (GPMC)
....@@ -86,7 +128,8 @@
86128 
87129 config TI_EMIF_SRAM
88130 	tristate "Texas Instruments EMIF SRAM driver"
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-	depends on (SOC_AM33XX || SOC_AM43XX) && SRAM
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+	depends on SOC_AM33XX || SOC_AM43XX || (ARM && CPU_V7 && COMPILE_TEST)
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+	depends on SRAM
90133 	help
91134 	  This driver is for the EMIF module available on Texas Instruments
92135 	  AM33XX and AM43XX SoCs and is required for PM. Certain parts of
....@@ -96,8 +139,9 @@
96139 
97140 config MVEBU_DEVBUS
98141 	bool "Marvell EBU Device Bus Controller"
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-	default y
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-	depends on PLAT_ORION && OF
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+	default y if PLAT_ORION
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+	depends on PLAT_ORION || COMPILE_TEST
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+	depends on OF
101145 	help
102146 	  This driver is for the Device Bus controller available in some
103147 	  Marvell EBU SoCs such as Discovery (mv78xx0), Orion (88f5xxx) and
....@@ -106,7 +150,7 @@
106150 
107151 config FSL_CORENET_CF
108152 	tristate "Freescale CoreNet Error Reporting"
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-	depends on FSL_SOC_BOOKE
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+	depends on FSL_SOC_BOOKE || COMPILE_TEST
110154 	help
111155 	  Say Y for reporting of errors from the Freescale CoreNet
112156 	  Coherency Fabric.  Errors reported include accesses to
....@@ -115,14 +159,13 @@
115159 	  represents a coherency violation.
116160 
117161 config FSL_IFC
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-	bool
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+	bool "Freescale IFC driver" if COMPILE_TEST
119163 	depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST
120164 	depends on HAS_IOMEM
121165 
122166 config JZ4780_NEMC
123167 	bool "Ingenic JZ4780 SoC NEMC driver"
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-	default y
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-	depends on MACH_JZ4780 || COMPILE_TEST
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+	depends on MIPS || COMPILE_TEST
126169 	depends on HAS_IOMEM && OF
127170 	help
128171 	  This driver is for the NAND/External Memory Controller (NEMC) in
....@@ -130,7 +173,7 @@
130173 	  memory devices such as NAND and SRAM.
131174 
132175 config MTK_SMI
133
-	bool
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+	tristate "MediaTek SoC Memory Controller driver" if COMPILE_TEST
134177 	depends on ARCH_MEDIATEK || COMPILE_TEST
135178 	help
136179 	  This driver is for the Memory Controller module in MediaTek SoCs,
....@@ -139,12 +182,40 @@
139182 
140183 config DA8XX_DDRCTL
141184 	bool "Texas Instruments da8xx DDR2/mDDR driver"
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-	depends on ARCH_DAVINCI_DA8XX
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+	depends on ARCH_DAVINCI_DA8XX || COMPILE_TEST
143186 	help
144187 	  This driver is for the DDR2/mDDR Memory Controller present on
145188 	  Texas Instruments da8xx SoCs. It's used to tweak various memory
146189 	  controller configuration options.
147190 
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+config PL353_SMC
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+	tristate "ARM PL35X Static Memory Controller(SMC) driver"
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+	default y if ARM
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+	depends on ARM
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+	depends on ARM_AMBA || COMPILE_TEST
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+	help
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+	  This driver is for the ARM PL351/PL353 Static Memory
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+	  Controller(SMC) module.
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+
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+config RENESAS_RPCIF
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+	tristate "Renesas RPC-IF driver"
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+	depends on ARCH_RENESAS || COMPILE_TEST
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+	select REGMAP_MMIO
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+	help
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+	  This supports Renesas R-Car Gen3 RPC-IF which provides either SPI
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+	  host or HyperFlash. You'll have to select individual components
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+	  under the corresponding menu.
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+
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+config STM32_FMC2_EBI
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+	tristate "Support for FMC2 External Bus Interface on STM32MP SoCs"
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+	depends on MACH_STM32MP157 || COMPILE_TEST
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+	select MFD_SYSCON
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+	help
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+	  Select this option to enable the STM32 FMC2 External Bus Interface
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+	  controller. This driver configures the transactions with external
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+	  devices (like SRAM, ethernet adapters, FPGAs, LCD displays, ...) on
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+	  SOCs containing the FMC2 External Bus Interface.
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+
148219 source "drivers/memory/samsung/Kconfig"
149220 source "drivers/memory/tegra/Kconfig"
150221