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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2008-02-26 11:28:55 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-02-26 11:28:55 +0100 |
| commit | 3d3c13d8f8238d0ed6e3e23841737de53b2c424f (patch) | |
| tree | 7a4a9c8a53a2996778c284a85493beb1da3575eb /drivers/Kconfig | |
| parent | 51c840cd18acd8a9f656b1491bc8ff100acccbd0 (diff) | |
| download | barebox-3d3c13d8f8238d0ed6e3e23841737de53b2c424f.tar.gz barebox-3d3c13d8f8238d0ed6e3e23841737de53b2c424f.tar.xz | |
[CFI Driver] - Update Kconfig help texts
- Turn switch/case into if/else to be able to optimize out
unused code when not all bankwidths are needed
Diffstat (limited to 'drivers/Kconfig')
| -rw-r--r-- | drivers/Kconfig | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index e4a488da5c..eeb582b8f9 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -10,14 +10,68 @@ config HAS_CFI config DRIVER_CFI bool "cfi flash driver" + help + If you have NOR Flash devices connected to your system and wish + to use them say yes here. + config DRIVER_CFI_NEW + depends on DRIVER_CFI + default y bool "new cfi flash driver" + help + The old cfi flash driver is mainly an adopted version from U-Boot v1 + whereas the new driver contains some more experimental features such + as selecting the supported chiptypes and bus widths making the driver + smaller. + Normally you should stick with the new driver, but if you experience + troubles you could try the old driver. Please report if the new driver + breaks something. + +config DRIVER_CFI_OLD + bool + default y + depends on !DRIVER_CFI_NEW + config DRIVER_CFI_INTEL depends on DRIVER_CFI_NEW bool "Support Intel flash chips" + config DRIVER_CFI_AMD depends on DRIVER_CFI_NEW bool "support AMD flash chips" + +config DRIVER_CFI_BANK_WIDTH_1 + bool "Support 8-bit buswidth" + depends on DRIVER_CFI_NEW + default y + help + If you wish to support CFI devices on a physical bus which is + 8 bits wide, say 'Y'. + +config DRIVER_CFI_BANK_WIDTH_2 + bool "Support 16-bit buswidth" + depends on DRIVER_CFI_NEW + default y + help + If you wish to support CFI devices on a physical bus which is + 16 bits wide, say 'Y'. + +config DRIVER_CFI_BANK_WIDTH_4 + bool "Support 32-bit buswidth" + depends on DRIVER_CFI_NEW + default y + help + If you wish to support CFI devices on a physical bus which is + 32 bits wide, say 'Y'. + +config DRIVER_CFI_BANK_WIDTH_8 + bool "Support 64-bit buswidth" + depends on DRIVER_CFI_NEW + default n + help + If you wish to support CFI devices on a physical bus which is + 64 bits wide, say 'Y'. + config CFI_BUFFER_WRITE bool "use cfi driver with buffer write" depends on DRIVER_CFI || DRIVER_CFI_NEW |