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authorSimon Glass <sjg@chromium.org>2013-05-07 06:11:46 +0000
committerTom Rini <trini@ti.com>2013-05-14 15:37:24 -0400
commit134a65124d1316a043b1da515abddafcb9309714 (patch)
treef972e886f00579b0d2813e44da107884b458d6c7 /doc/README.fdt-control
parent9602286d3d554d744f6ed2fa3c001d208a7aca23 (diff)
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Add minor updates to README.fdt-control
A few things have changed since this doc was written, so update it to match the current state of things. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc/README.fdt-control')
-rw-r--r--doc/README.fdt-control9
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/README.fdt-control b/doc/README.fdt-control
index 5963f78..95a88a7 100644
--- a/doc/README.fdt-control
+++ b/doc/README.fdt-control
@@ -49,6 +49,12 @@ the features of each board in the device tree file, and have a single
generic source base.
To enable this feature, add CONFIG_OF_CONTROL to your board config file.
+It is currently supported on ARM, x86 and Microblaze - other architectures
+will need to add code to their arch/xxx/lib/board.c file to locate the
+FDT. Alternatively you can enable generic board support on your board
+(with CONFIG_SYS_GENERIC_BOARD) if this is available (as it is for
+PowerPC). For ARM, Tegra and Exynos5 have device trees available for
+common devices.
What is a Flat Device Tree?
@@ -99,7 +105,8 @@ Then run the compiler (your version will vary):
* Bad configuration: 0
* Strange test result: 0
-You will also find a useful ftdump utility for decoding a binary file.
+You will also find a useful fdtdump utility for decoding a binary file, as
+well as fdtget/fdtput for reading and writing properties in a binary file.
Where do I get an fdt file for my board?