Merge branch 'agust@denx.de-next' of git://git.denx.de/u-boot-staging

[platform/kernel/u-boot.git] / README

diff --git a/README b/README
index dd250a0..df4aed1 100644 (file)
--- a/README
+++ b/README
@@ -1268,6 +1268,9 @@ The following options need to be configured:
                viewport is supported.
                To enable the ULPI layer support, define CONFIG_USB_ULPI and
                CONFIG_USB_ULPI_VIEWPORT in your board configuration file.
+               If your ULPI phy needs a different reference clock than the
+               standard 24 MHz then you have to define CONFIG_ULPI_REF_CLK to
+               the appropriate value in Hz.
 
 - MMC Support:
                The MMC controller on the Intel PXA is supported. To
@@ -2388,6 +2391,31 @@ The following options need to be configured:
                 29,916,167 26,005,792  bootm_start
                 30,361,327    445,160  start_kernel
 
+               CONFIG_CMD_BOOTSTAGE
+               Add a 'bootstage' command which supports printing a report
+               and un/stashing of bootstage data.
+
+               CONFIG_BOOTSTAGE_FDT
+               Stash the bootstage information in the FDT. A root 'bootstage'
+               node is created with each bootstage id as a child. Each child
+               has a 'name' property and either 'mark' containing the
+               mark time in microsecond, or 'accum' containing the
+               accumulated time for that bootstage id in microseconds.
+               For example:
+
+               bootstage {
+                       154 {
+                               name = "board_init_f";
+                               mark = <3575678>;
+                       };
+                       170 {
+                               name = "lcd";
+                               accum = <33482>;
+                       };
+               };
+
+               Code in the Linux kernel can find this in /proc/devicetree.
+
 Legacy uImage format:
 
   Arg  Where                   When