arm: Use optimized memcpy and memset from linux

[u-boot] / README

diff --git a/README b/README
index b25814c638df292553da2dcb10a7510cb3dffedb..85cbb8e02147a3ccfd848440a6dcbd709a5dffff 100644 (file)
--- a/README
+++ b/README
@@ -164,7 +164,7 @@ Directory Hierarchy:
   /blackfin            Files generic to Analog Devices Blackfin architecture
     /cpu               CPU specific files
     /lib               Architecture specific library files
-  /i386                        Files generic to i386 architecture
+  /x86                 Files generic to x86 architecture
     /cpu               CPU specific files
     /lib               Architecture specific library files
   /m68k                        Files generic to m68k architecture
@@ -748,6 +748,8 @@ The following options need to be configured:
                CONFIG_RTC_ISL1208      - use Intersil ISL1208 RTC
                CONFIG_RTC_MAX6900      - use Maxim, Inc. MAX6900 RTC
                CONFIG_SYS_RTC_DS1337_NOOSC     - Turn off the OSC output for DS1337
+               CONFIG_SYS_RV3029_TCR   - enable trickle charger on
+                                         RV3029 RTC.
 
                Note that if the RTC uses I2C, then the I2C interface
                must also be configured. See I2C Support, below.
@@ -2942,6 +2944,12 @@ Low Level (hardware related) configuration options:
                that is executed before the actual U-Boot. E.g. when
                compiling a NAND SPL.
 
+- CONFIG_USE_ARCH_MEMCPY
+  CONFIG_USE_ARCH_MEMSET
+               If these options are used a optimized version of memcpy/memset will
+               be used if available. These functions may be faster under some
+               conditions but may increase the binary size.
+
 Building the Software:
 ======================