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diff --git a/Documentation/arm/00-INDEX b/Documentation/arm/00-INDEX
index 82e418d648d0..7f5fc3ba9c91 100644
--- a/Documentation/arm/00-INDEX
+++ b/Documentation/arm/00-INDEX
@@ -20,6 +20,8 @@ Samsung-S3C24XX
         - S3C24XX ARM Linux Overview
 Sharp-LH
         - Linux on Sharp LH79524 and LH7A40X System On a Chip (SOC)
+SPEAr
+        - ST SPEAr platform Linux Overview
 VFP/
         - Release notes for Linux Kernel Vector Floating Point support code
 empeg/
diff --git a/Documentation/arm/SPEAr/overview.txt b/Documentation/arm/SPEAr/overview.txt
new file mode 100644
index 000000000000..253a35c6f782
--- /dev/null
+++ b/Documentation/arm/SPEAr/overview.txt
@@ -0,0 +1,60 @@
+                        SPEAr ARM Linux Overview
+                        ==========================
+
+Introduction
+------------
+
+  SPEAr (Structured Processor Enhanced Architecture).
+  weblink : http://www.st.com/spear
+
+  The ST Microelectronics SPEAr range of ARM9/CortexA9 System-on-Chip CPUs are
+  supported by the 'spear' platform of ARM Linux. Currently SPEAr300,
+  SPEAr310, SPEAr320 and SPEAr600 SOCs are supported. Support for the SPEAr13XX
+  series is in progress.
+
+  Hierarchy in SPEAr is as follows:
+
+  SPEAr (Platform)
+        - SPEAr3XX (3XX SOC series, based on ARM9)
+                - SPEAr300 (SOC)
+                        - SPEAr300_EVB (Evaluation Board)
+                - SPEAr310 (SOC)
+                        - SPEAr310_EVB (Evaluation Board)
+                - SPEAr320 (SOC)
+                        - SPEAr320_EVB (Evaluation Board)
+        - SPEAr6XX (6XX SOC series, based on ARM9)
+                - SPEAr600 (SOC)
+                        - SPEAr600_EVB (Evaluation Board)
+        - SPEAr13XX (13XX SOC series, based on ARM CORTEXA9)
+                - SPEAr1300 (SOC)
+
+  Configuration
+  -------------
+
+  A generic configuration is provided for each machine, and can be used as the
+  default by
+        make spear600_defconfig
+        make spear300_defconfig
+        make spear310_defconfig
+        make spear320_defconfig
+
+  Layout
+  ------
+
+  The common files for multiple machine families (SPEAr3XX, SPEAr6XX and
+  SPEAr13XX) are located in the platform code contained in arch/arm/plat-spear
+  with headers in plat/.
+
+  Each machine series have a directory with name arch/arm/mach-spear followed by
+  series name. Like mach-spear3xx, mach-spear6xx and mach-spear13xx.
+
+  Common file for machines of spear3xx family is mach-spear3xx/spear3xx.c and for
+  spear6xx is mach-spear6xx/spear6xx.c. mach-spear* also contain soc/machine
+  specific files, like spear300.c, spear310.c, spear320.c and spear600.c.
+  mach-spear* also contains board specific files for each machine type.
+
+
+  Document Author
+  ---------------
+
+  Viresh Kumar, (c) 2010 ST Microelectronics