[MTD] [NAND] atmel_nand speedup via {read,write}s{b,w}()

[cascardo/linux.git] / drivers / mtd / nand / Kconfig

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 4a3c675..d8c0d86 100644 (file)
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -1,5 +1,4 @@
 # drivers/mtd/nand/Kconfig
-# $Id: Kconfig,v 1.35 2005/11/07 11:14:30 gleixner Exp $
 
 menuconfig MTD_NAND
        tristate "NAND Device Support"
@@ -272,12 +271,61 @@ config MTD_NAND_CS553X
 
          If you say "m", the module will be called "cs553x_nand.ko".
 
-config MTD_NAND_AT91
-       bool "Support for NAND Flash / SmartMedia on AT91"
-       depends on ARCH_AT91
+config MTD_NAND_ATMEL
+       bool "Support for NAND Flash / SmartMedia on AT91 and AVR32"
+       depends on ARCH_AT91 || AVR32
        help
          Enables support for NAND Flash / Smart Media Card interface
-         on Atmel AT91 processors.
+         on Atmel AT91 and AVR32 processors.
+choice
+       prompt "ECC management for NAND Flash / SmartMedia on AT91 / AVR32"
+       depends on MTD_NAND_ATMEL
+
+config MTD_NAND_ATMEL_ECC_HW
+       bool "Hardware ECC"
+       depends on ARCH_AT91SAM9263 || ARCH_AT91SAM9260 || AVR32
+       help
+         Use hardware ECC instead of software ECC when the chip
+         supports it.
+
+         The hardware ECC controller is capable of single bit error
+         correction and 2-bit random detection per page.
+
+         NB : hardware and software ECC schemes are incompatible.
+         If you switch from one to another, you'll have to erase your
+         mtd partition.
+
+         If unsure, say Y
+
+config MTD_NAND_ATMEL_ECC_SOFT
+       bool "Software ECC"
+       help
+         Use software ECC.
+
+         NB : hardware and software ECC schemes are incompatible.
+         If you switch from one to another, you'll have to erase your
+         mtd partition.
+
+config MTD_NAND_ATMEL_ECC_NONE
+       bool "No ECC (testing only, DANGEROUS)"
+       depends on DEBUG_KERNEL
+       help
+         No ECC will be used.
+         It's not a good idea and it should be reserved for testing
+         purpose only.
+
+         If unsure, say N
+
+         endchoice
+
+endchoice
+
+config MTD_NAND_PXA3xx
+       bool "Support for NAND flash devices on PXA3xx"
+       depends on MTD_NAND && PXA3xx
+       help
+         This enables the driver for the NAND flash device found on
+         PXA3xx processors
 
 config MTD_NAND_CM_X270
        tristate "Support for NAND Flash on CM-X270 modules"
@@ -314,7 +362,7 @@ config MTD_ALAUDA
 
 config MTD_NAND_ORION
        tristate "NAND Flash support for Marvell Orion SoC"
-       depends on ARCH_ORION && MTD_NAND
+       depends on PLAT_ORION && MTD_NAND
        help
          This enables the NAND flash controller on Orion machines.
 
@@ -330,4 +378,12 @@ config MTD_NAND_FSL_ELBC
          Enabling this option will enable you to use this to control
          external NAND devices.
 
+config MTD_NAND_FSL_UPM
+       tristate "Support for NAND on Freescale UPM"
+       depends on MTD_NAND && OF_GPIO && (PPC_83xx || PPC_85xx)
+       select FSL_LBC
+       help
+         Enables support for NAND Flash chips wired onto Freescale PowerPC
+         processor localbus with User-Programmable Machine support.
+
 endif # MTD_NAND