diff options
Diffstat (limited to 'drivers/mtd/chips')
| -rw-r--r-- | drivers/mtd/chips/Kconfig | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index 35c6a23b183..baac3533917 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -1,5 +1,4 @@ menu "RAM/ROM/Flash chip drivers" - depends on MTD!=n config MTD_CFI tristate "Detect flash chips by Common Flash Interface (CFI) probe" @@ -27,9 +26,10 @@ config MTD_JEDECPROBE config MTD_GEN_PROBE tristate +if MTD_GEN_PROBE + config MTD_CFI_ADV_OPTIONS bool "Flash chip driver advanced configuration options" - depends on MTD_GEN_PROBE help If you need to specify a specific endianness for access to flash chips, or if you wish to reduce the size of the kernel by including @@ -39,9 +39,10 @@ config MTD_CFI_ADV_OPTIONS If unsure, say 'N'. +if MTD_CFI_ADV_OPTIONS + choice prompt "Flash cmd/query data swapping" - depends on MTD_CFI_ADV_OPTIONS default MTD_CFI_NOSWAP config MTD_CFI_NOSWAP @@ -72,7 +73,6 @@ endchoice config MTD_CFI_GEOMETRY bool "Specific CFI Flash geometry selection" - depends on MTD_CFI_ADV_OPTIONS help This option does not affect the code directly, but will enable some other configuration options which would allow you to reduce @@ -80,81 +80,78 @@ config MTD_CFI_GEOMETRY arrangements of CFI chips. If unsure, say 'N' and all options which are supported by the current code will be enabled. +if MTD_CFI_GEOMETRY + config MTD_MAP_BANK_WIDTH_1 - bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY + bool "Support 8-bit buswidth" default y help If you wish to support CFI devices on a physical bus which is 8 bits wide, say 'Y'. config MTD_MAP_BANK_WIDTH_2 - bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY + bool "Support 16-bit buswidth" default y help If you wish to support CFI devices on a physical bus which is 16 bits wide, say 'Y'. config MTD_MAP_BANK_WIDTH_4 - bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY + bool "Support 32-bit buswidth" default y help If you wish to support CFI devices on a physical bus which is 32 bits wide, say 'Y'. config MTD_MAP_BANK_WIDTH_8 - bool "Support 64-bit buswidth" if MTD_CFI_GEOMETRY - default n + bool "Support 64-bit buswidth" help If you wish to support CFI devices on a physical bus which is 64 bits wide, say 'Y'. config MTD_MAP_BANK_WIDTH_16 - bool "Support 128-bit buswidth" if MTD_CFI_GEOMETRY - default n + bool "Support 128-bit buswidth" help If you wish to support CFI devices on a physical bus which is 128 bits wide, say 'Y'. config MTD_MAP_BANK_WIDTH_32 - bool "Support 256-bit buswidth" if MTD_CFI_GEOMETRY - default n + bool "Support 256-bit buswidth" help If you wish to support CFI devices on a physical bus which is 256 bits wide, say 'Y'. config MTD_CFI_I1 - bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY + bool "Support 1-chip flash interleave" default y help If your flash chips are not interleaved - i.e. you only have one flash chip addressed by each bus cycle, then say 'Y'. config MTD_CFI_I2 - bool "Support 2-chip flash interleave" if MTD_CFI_GEOMETRY + bool "Support 2-chip flash interleave" default y help If your flash chips are interleaved in pairs - i.e. you have two flash chips addressed by each bus cycle, then say 'Y'. config MTD_CFI_I4 - bool "Support 4-chip flash interleave" if MTD_CFI_GEOMETRY - default n + bool "Support 4-chip flash interleave" help If your flash chips are interleaved in fours - i.e. you have four flash chips addressed by each bus cycle, then say 'Y'. config MTD_CFI_I8 - bool "Support 8-chip flash interleave" if MTD_CFI_GEOMETRY - default n + bool "Support 8-chip flash interleave" help If your flash chips are interleaved in eights - i.e. you have eight flash chips addressed by each bus cycle, then say 'Y'. +endif # MTD_CFI_GEOMETRY + config MTD_OTP bool "Protection Registers aka one-time programmable (OTP) bits" - depends on MTD_CFI_ADV_OPTIONS select HAVE_MTD_OTP - default n help This enables support for reading, writing and locking so called "Protection Registers" present on some flash chips. @@ -176,9 +173,10 @@ config MTD_OTP This feature should therefore be used with extreme care. Any mistake in the programming of OTP bits will waste them. +endif # MTD_CFI_ADV_OPTIONS + config MTD_CFI_INTELEXT tristate "Support for Intel/Sharp flash chips" - depends on MTD_GEN_PROBE select MTD_CFI_UTIL help The Common Flash Interface defines a number of different command @@ -188,7 +186,6 @@ config MTD_CFI_INTELEXT config MTD_CFI_AMDSTD tristate "Support for AMD/Fujitsu/Spansion flash chips" - depends on MTD_GEN_PROBE select MTD_CFI_UTIL help The Common Flash Interface defines a number of different command @@ -198,13 +195,14 @@ config MTD_CFI_AMDSTD config MTD_CFI_STAA tristate "Support for ST (Advanced Architecture) flash chips" - depends on MTD_GEN_PROBE select MTD_CFI_UTIL help The Common Flash Interface defines a number of different command sets which a CFI-compliant chip may claim to implement. This code provides support for one of those command sets. +endif # MTD_GEN_PROBE + config MTD_CFI_UTIL tristate |