sunxi: nand: Add board configuration options

[karo-tx-uboot.git] / drivers / mtd / nand / Kconfig

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 0d797e21da6fbaba6521eea57b680eea19c9783c..507e6a9c0a5d6bb2fd539eab392918a90ed3855f 100644 (file)
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -91,6 +91,46 @@ config SPL_NAND_DENALI
          This is a small implementation of the Denali NAND controller
          for use on SPL.
 
+config SPL_NAND_SUNXI
+       bool "Support for NAND on Allwinner A20 in SPL"
+       depends on MACH_SUN7I
+       ---help---
+       Enable support for NAND. This option allows SPL to read from
+       sunxi NAND using DMA transfers.
+       Depending on the NAND chip, values like ECC strength and page sizes
+       have to be configured.
+
+config NAND_SUNXI_SPL_SYNDROME_PARTITIONS_END
+       hex "Size of syndrome partitions in sunxi NAND"
+       default 0x400000
+       depends on SPL_NAND_SUNXI
+       ---help---
+       End address for boot partitions on NAND. Those partitions have a
+       different random seed that has to match the sunxi BROM setting.
+
+config NAND_SUNXI_SPL_ECC_STRENGTH
+       int "ECC Strength for sunxi NAND"
+       default 40
+       depends on SPL_NAND_SUNXI
+       ---help---
+       ECC strength used by the sunxi NAND SPL driver. This is specific to the
+       chosen NAND chip and has to match the value used by the sunxi BROM.
+
+config NAND_SUNXI_SPL_ECC_PAGE_SIZE
+       hex "ECC page size for sunxi NAND"
+       default 0x400
+       depends on SPL_NAND_SUNXI
+       ---help---
+       ECC page size used by the sunxi NAND SPL driver for syndrome partitions.
+       This setting has to match the value used by the sunxi BROM.
+
+config NAND_SUNXI_SPL_PAGE_SIZE
+       hex "Page size for sunxi NAND"
+       default 0x2000
+       depends on SPL_NAND_SUNXI
+       ---help---
+       Page size of the NAND flash used by the sunxi NAND SPL driver. This is
+       specific to the chosen NAND chip.
 endif
 
 config NAND_ATMEL