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@@ -1,4 +1,5 @@
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menu "RAM/ROM/Flash chip drivers"
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+ depends on MTD!=n
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config MTD_CFI
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tristate "Detect flash chips by Common Flash Interface (CFI) probe"
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@@ -26,10 +27,9 @@ config MTD_JEDECPROBE
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config MTD_GEN_PROBE
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tristate
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-if MTD_GEN_PROBE
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-
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config MTD_CFI_ADV_OPTIONS
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bool "Flash chip driver advanced configuration options"
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+ depends on MTD_GEN_PROBE
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help
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If you need to specify a specific endianness for access to flash
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chips, or if you wish to reduce the size of the kernel by including
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@@ -39,10 +39,9 @@ config MTD_CFI_ADV_OPTIONS
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If unsure, say 'N'.
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-if MTD_CFI_ADV_OPTIONS
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-
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choice
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prompt "Flash cmd/query data swapping"
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+ depends on MTD_CFI_ADV_OPTIONS
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default MTD_CFI_NOSWAP
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config MTD_CFI_NOSWAP
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@@ -73,6 +72,7 @@ endchoice
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config MTD_CFI_GEOMETRY
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bool "Specific CFI Flash geometry selection"
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+ depends on MTD_CFI_ADV_OPTIONS
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help
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This option does not affect the code directly, but will enable
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some other configuration options which would allow you to reduce
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@@ -80,78 +80,81 @@ config MTD_CFI_GEOMETRY
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arrangements of CFI chips. If unsure, say 'N' and all options
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which are supported by the current code will be enabled.
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-if MTD_CFI_GEOMETRY
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-
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config MTD_MAP_BANK_WIDTH_1
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- bool "Support 8-bit buswidth"
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+ bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY
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default y
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help
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If you wish to support CFI devices on a physical bus which is
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8 bits wide, say 'Y'.
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config MTD_MAP_BANK_WIDTH_2
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- bool "Support 16-bit buswidth"
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+ bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY
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default y
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help
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If you wish to support CFI devices on a physical bus which is
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16 bits wide, say 'Y'.
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config MTD_MAP_BANK_WIDTH_4
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- bool "Support 32-bit buswidth"
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+ bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY
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default y
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help
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If you wish to support CFI devices on a physical bus which is
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32 bits wide, say 'Y'.
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config MTD_MAP_BANK_WIDTH_8
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- bool "Support 64-bit buswidth"
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+ bool "Support 64-bit buswidth" if MTD_CFI_GEOMETRY
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+ default n
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help
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If you wish to support CFI devices on a physical bus which is
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64 bits wide, say 'Y'.
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config MTD_MAP_BANK_WIDTH_16
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- bool "Support 128-bit buswidth"
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+ bool "Support 128-bit buswidth" if MTD_CFI_GEOMETRY
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+ default n
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help
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If you wish to support CFI devices on a physical bus which is
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128 bits wide, say 'Y'.
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config MTD_MAP_BANK_WIDTH_32
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- bool "Support 256-bit buswidth"
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+ bool "Support 256-bit buswidth" if MTD_CFI_GEOMETRY
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+ default n
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help
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If you wish to support CFI devices on a physical bus which is
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256 bits wide, say 'Y'.
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config MTD_CFI_I1
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- bool "Support 1-chip flash interleave"
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+ bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY
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default y
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help
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If your flash chips are not interleaved - i.e. you only have one
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flash chip addressed by each bus cycle, then say 'Y'.
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config MTD_CFI_I2
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- bool "Support 2-chip flash interleave"
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+ bool "Support 2-chip flash interleave" if MTD_CFI_GEOMETRY
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default y
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help
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If your flash chips are interleaved in pairs - i.e. you have two
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flash chips addressed by each bus cycle, then say 'Y'.
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config MTD_CFI_I4
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- bool "Support 4-chip flash interleave"
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+ bool "Support 4-chip flash interleave" if MTD_CFI_GEOMETRY
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+ default n
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help
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If your flash chips are interleaved in fours - i.e. you have four
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flash chips addressed by each bus cycle, then say 'Y'.
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config MTD_CFI_I8
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- bool "Support 8-chip flash interleave"
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+ bool "Support 8-chip flash interleave" if MTD_CFI_GEOMETRY
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+ default n
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help
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If your flash chips are interleaved in eights - i.e. you have eight
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flash chips addressed by each bus cycle, then say 'Y'.
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-endif # MTD_CFI_GEOMETRY
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-
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config MTD_OTP
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bool "Protection Registers aka one-time programmable (OTP) bits"
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+ depends on MTD_CFI_ADV_OPTIONS
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select HAVE_MTD_OTP
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+ default n
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help
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This enables support for reading, writing and locking so called
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"Protection Registers" present on some flash chips.
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@@ -173,10 +176,9 @@ config MTD_OTP
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This feature should therefore be used with extreme care. Any mistake
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in the programming of OTP bits will waste them.
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-endif # MTD_CFI_ADV_OPTIONS
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-
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config MTD_CFI_INTELEXT
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tristate "Support for Intel/Sharp flash chips"
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+ depends on MTD_GEN_PROBE
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select MTD_CFI_UTIL
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help
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The Common Flash Interface defines a number of different command
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@@ -186,6 +188,7 @@ config MTD_CFI_INTELEXT
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config MTD_CFI_AMDSTD
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tristate "Support for AMD/Fujitsu/Spansion flash chips"
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+ depends on MTD_GEN_PROBE
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select MTD_CFI_UTIL
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help
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The Common Flash Interface defines a number of different command
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@@ -195,14 +198,13 @@ config MTD_CFI_AMDSTD
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config MTD_CFI_STAA
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tristate "Support for ST (Advanced Architecture) flash chips"
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+ depends on MTD_GEN_PROBE
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select MTD_CFI_UTIL
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help
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The Common Flash Interface defines a number of different command
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sets which a CFI-compliant chip may claim to implement. This code
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provides support for one of those command sets.
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-endif # MTD_GEN_PROBE
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-
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config MTD_CFI_UTIL
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tristate
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