Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

[karo-tx-uboot.git] / doc / README.nand

diff --git a/doc/README.nand b/doc/README.nand
index 70cf768d237056460e0bd1261a3bb0c980c4dc30..320d752952971a936e36b2cc654f630fa628aa07 100644 (file)
--- a/doc/README.nand
+++ b/doc/README.nand
@@ -89,6 +89,10 @@ Commands:
 
 Configuration Options:
 
+   CONFIG_SYS_NAND_U_BOOT_OFFS
+       NAND Offset from where SPL will read u-boot image. This is the starting
+       address of u-boot MTD partition in NAND.
+
    CONFIG_CMD_NAND
       Enables NAND support and commmands.
 
@@ -211,6 +215,12 @@ Configuration Options:
 
 Platform specific options
 =========================
+   CONFIG_NAND_DENALI
+       Enables the denali.c driver.
+
+   CONFIG_SYS_NAND_DENALI_64BIT
+       Indicates that the Denali NAND controller is the 64-bit variant.
+
    CONFIG_NAND_OMAP_GPMC
        Enables omap_gpmc.c driver for OMAPx and AMxxxx platforms.
        GPMC controller is used for parallel NAND flash devices, and can
@@ -226,6 +236,14 @@ Platform specific options
        detection. However ECC calculation on such plaforms would still be
        done by GPMC controller.
 
+   CONFIG_SPL_NAND_AM33XX_BCH
+       Enables SPL-NAND driver (am335x_spl_bch.c) which supports ELM based
+        hardware ECC correction. This is useful for platforms which have ELM
+       hardware engine and use NAND boot mode.
+       Some legacy platforms like OMAP3xx do not have in-built ELM h/w engine,
+       so those platforms should use CONFIG_SPL_NAND_SIMPLE for enabling
+        SPL-NAND driver with software ECC correction support.
+
    CONFIG_NAND_OMAP_ECCSCHEME
        On OMAP platforms, this CONFIG specifies NAND ECC scheme.
        It can take following values: