diff options
Diffstat (limited to 'drivers/mtd/chips')
| -rw-r--r-- | drivers/mtd/chips/Kconfig | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index baac353..35c6a23 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -1,4 +1,5 @@ menu "RAM/ROM/Flash chip drivers" + depends on MTD!=n config MTD_CFI tristate "Detect flash chips by Common Flash Interface (CFI) probe" @@ -26,10 +27,9 @@ 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 @@ -39,10 +39,9 @@ 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 @@ -73,6 +72,7 @@ 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 @@ -80,78 +80,81 @@ 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" + bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY 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" + bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY 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" + bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY 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" + bool "Support 64-bit buswidth" if MTD_CFI_GEOMETRY + default n 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" + bool "Support 128-bit buswidth" if MTD_CFI_GEOMETRY + default n 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" + bool "Support 256-bit buswidth" if MTD_CFI_GEOMETRY + default n 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" + bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY 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" + bool "Support 2-chip flash interleave" if MTD_CFI_GEOMETRY 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" + bool "Support 4-chip flash interleave" if MTD_CFI_GEOMETRY + default n 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" + bool "Support 8-chip flash interleave" if MTD_CFI_GEOMETRY + default n 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. @@ -173,10 +176,9 @@ 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 @@ -186,6 +188,7 @@ 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 @@ -195,14 +198,13 @@ 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 |