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The Linux kernel configuration item CONFIG_MTD_PHYSMAP
has multiple definitions:
drivers/mtd/maps/Kconfig
The configuration item CONFIG_MTD_PHYSMAP:
CONFIG_MTD_CFI || CONFIG_MTD_JEDECPROBE || CONFIG_MTD_ROM || CONFIG_MTD_RAM || CONFIG_MTD_LPDDR
physmap
This provides a 'mapping' driver which allows the NOR Flash and ROM driver code to communicate with chips which are mapped physically into the CPU's memory. You will need to configure the physical address and size of the flash chips on your particular board as well as the bus width, either statically with config options or at run-time.
To compile this driver as a module, choose M here: the module will be called physmap.
drivers/mtd/maps/Kconfig
The configuration item CONFIG_MTD_PHYSMAP:
CONFIG_MTD_CFI || CONFIG_MTD_JEDECPROBE || CONFIG_MTD_ROM
physmap
This provides a 'mapping' driver which allows the NOR Flash and ROM driver code to communicate with chips which are mapped physically into the CPU's memory. You will need to configure the physical address and size of the flash chips on your particular board as well as the bus width, either statically with config options or at run-time.
To compile this driver as a module, choose M here: the module will be called physmap.
Raw data from LKDDb:
lkddb module physmap CONFIG_MTD_PHYSMAP : drivers/mtd/maps/Kconfig : "Flash device in physical memory map" # in 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,core-module-versatile" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,external-bus-interface" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,integrator-ap-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,integrator-cp-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,realview-eb-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,realview-pb1176-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,realview-pb11mp-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,realview-pba8-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "arm,realview-pbx-syscon" : CONFIG_MTD CONFIG_MTD_PHYSMAP CONFIG_MTD_PHYSMAP_VERSATILE : drivers/mtd/maps/physmap-versatile.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "cfi-flash" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "jedec-flash" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "mtd-ram" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "mtd-rom" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "rom" "direct-mapped" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb platform "physmap-flash" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap-core.c # in 6.11, 6.12-rc+HEAD
lkddb platform "physmap-flash" : CONFIG_MTD CONFIG_MTD_PHYSMAP : drivers/mtd/maps/physmap.c # in 2.6.18, 2.6.25–2.6.39, 3.0–3.19, 4.0–4.20
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