arm: spl: For Falcon Mode, set a default machid of ~0

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

diff --git a/doc/README.imximage b/doc/README.imximage
index c74239d2ade911b76269b386caeac849a2c878d5..802eb90f1de6b352dc383f69cdc234b0b64cccd9 100644 (file)
--- a/doc/README.imximage
+++ b/doc/README.imximage
@@ -2,12 +2,13 @@
 Imximage Boot Image generation using mkimage
 ---------------------------------------------
 
-This document describes how to set up a U-Boot image
-that can be booted by Freescale MX25, MX35 and MX51
-processors via internal boot mode.
+This document describes how to set up a U-Boot image that can be booted
+by Freescale MX25, MX35, MX51, MX53 and MX6 processors via internal boot
+mode.
 
 These processors can boot directly from NAND, SPI flash and SD card flash
-using its internal boot ROM support. They can boot from an internal
+using its internal boot ROM support. MX6 processors additionally support
+boot from NOR flash and SATA disks. All processors can boot from an internal
 UART, if booting from device media fails.
 Booting from NOR flash does not require to use this image type.
 
@@ -59,14 +60,32 @@ Configuration command line syntax:
        --------------          -----------
        IMXIMAGE_VERSION        1/2
                                1 is for mx25/mx35/mx51 compatible,
-                               2 is for mx53 compatible,
+                               2 is for mx53/mx6 compatible,
                                others is invalid and error is generated.
                                This command need appear the fist before
                                other valid commands in configuration file.
 
-       BOOT_FROM               nand/spi/sd/onenand
+       BOOT_OFFSET             value
+
+                               This command is parallel to BOOT_FROM and
+                               is preferred over BOOT_FROM.
+
+                               value:  Offset of the image header, this
+                                       value shall be set to one of the
+                                       values found in the file:
+                                               arch/arm/include/asm/\
+                                               imx-common/imximage.cfg
+                               Example:
+                               BOOT_OFFSET FLASH_OFFSET_STANDARD
+
+       BOOT_FROM               nand/spi/sd/onenand/nor/sata
+
+                               This command is parallel to BOOT_OFFSET and
+                               is to be deprecated in favor of BOOT_OFFSET.
+
                                Example:
                                BOOT_FROM spi
+
        DATA                    type address value
 
                                type: word=4, halfword=2, byte=1