zynqmp: Kconfig: Enable ZYNQ_GPIO for ZynqMP

[u-boot] / README

diff --git a/README b/README
index 362ff19ebf138e4f65366a0b064f704390bb0d00..88ff837d7c984c32fa715c95d0145289eab41b37 100644 (file)
--- a/README
+++ b/README
@@ -1108,6 +1108,14 @@ The following options need to be configured:
 
                XXX - this list needs to get updated!
 
+- Removal of commands
+               If no commands are needed to boot, you can disable
+               CONFIG_CMDLINE to remove them. In this case, the command line
+               will not be available, and when U-Boot wants to execute the
+               boot command (on start-up) it will call board_run_command()
+               instead. This can reduce image size significantly for very
+               simple boot procedures.
+
 - Regular expression support:
                CONFIG_REGEX
                If this variable is defined, U-Boot is linked against
@@ -1794,7 +1802,7 @@ CBFS (Coreboot Filesystem) support
 
                The DIU driver will look for the 'video-mode' environment
                variable, and if defined, enable the DIU as a console during
-               boot.  See the documentation file README.video for a
+               boot.  See the documentation file doc/README.video for a
                description of this variable.
 
 - LCD Support: CONFIG_LCD
@@ -1908,7 +1916,7 @@ CBFS (Coreboot Filesystem) support
 
                If this option is set, then U-Boot will prevent the environment
                variable "splashimage" from being set to a problematic address
-               (see README.displaying-bmps).
+               (see doc/README.displaying-bmps).
                This option is useful for targets where, due to alignment
                restrictions, an improperly aligned BMP image will cause a data
                abort. If you think you will not have problems with unaligned
@@ -3093,20 +3101,6 @@ CBFS (Coreboot Filesystem) support
                will set it back to normal.  This command currently
                supports i.MX53 and i.MX6.
 
-- Signing support:
-               CONFIG_RSA
-
-               This enables the RSA algorithm used for FIT image verification
-               in U-Boot. See doc/uImage.FIT/signature.txt for more information.
-
-               The Modular Exponentiation algorithm in RSA is implemented using
-               driver model. So CONFIG_DM needs to be enabled by default for this
-               library to function.
-
-               The signing part is build into mkimage regardless of this
-               option. The software based modular exponentiation is built into
-               mkimage irrespective of this option.
-
 - bootcount support:
                CONFIG_BOOTCOUNT_LIMIT
 
@@ -3306,33 +3300,14 @@ FIT uImage format:
                enabled per default for backward compatibility.
 
 - FIT image support:
-               CONFIG_FIT
-               Enable support for the FIT uImage format.
-
-               CONFIG_FIT_BEST_MATCH
-               When no configuration is explicitly selected, default to the
-               one whose fdt's compatibility field best matches that of
-               U-Boot itself. A match is considered "best" if it matches the
-               most specific compatibility entry of U-Boot's fdt's root node.
-               The order of entries in the configuration's fdt is ignored.
-
-               CONFIG_FIT_SIGNATURE
-               This option enables signature verification of FIT uImages,
-               using a hash signed and verified using RSA. If
-               CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
-               hashing is available using hardware, RSA library will use it.
-               See doc/uImage.FIT/signature.txt for more details.
-
-               WARNING: When relying on signed FIT images with required
-               signature check the legacy image format is default
-               disabled. If a board need legacy image format support
-               enable this through CONFIG_IMAGE_FORMAT_LEGACY
-
                CONFIG_FIT_DISABLE_SHA256
                Supporting SHA256 hashes has quite an impact on binary size.
                For constrained systems sha256 hash support can be disabled
                with this option.
 
+               TODO(sjg@chromium.org): Adjust this option to be positive,
+               and move it to Kconfig
+
 - Standalone program support:
                CONFIG_STANDALONE_LOAD_ADDR
 
@@ -5409,6 +5384,12 @@ List of environment variables (most likely not complete):
                  Ethernet is encapsulated/received over 802.1q
                  VLAN tagged frames.
 
+  bootpretryperiod     - Period during which BOOTP/DHCP sends retries.
+                 Unsigned value, in milliseconds. If not set, the period will
+                 be either the default (28000), or a value based on
+                 CONFIG_NET_RETRY_COUNT, if defined. This value has
+                 precedence over the valu based on CONFIG_NET_RETRY_COUNT.
+
 The following image location variables contain the location of images
 used in booting. The "Image" column gives the role of the image and is
 not an environment variable name. The other columns are environment