X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=inline;f=README;h=eba6378536858da57d307e6f7d9721930b00f782;hb=e9d44b35beb45869863f3ca6929089d9df4df3e5;hp=b6c9d0b0e957da172f365e82c38b9fecc39058eb;hpb=06576b2efcf3d67797437488e90e989b8b48c9f2;p=oweals%2Fu-boot.git

diff --git a/README b/README
index b6c9d0b0e9..eba6378536 100644
--- a/README
+++ b/README
@@ -815,6 +815,7 @@ The following options need to be configured:
 					  (requires CONFIG_CMD_I2C)
 		CONFIG_CMD_SETGETDCR	  Support for DCR Register access
 					  (4xx only)
+		CONFIG_CMD_SF		* Read/write/erase SPI NOR flash
 		CONFIG_CMD_SHA1SUM	  print sha1 memory digest
 					  (requires CONFIG_CMD_MEMORY)
 		CONFIG_CMD_SOURCE	  "source" command Support
@@ -2197,6 +2198,25 @@ The following options need to be configured:
 		allows to read/write in Dataflash via the standard
 		commands cp, md...
 
+- Serial Flash support
+		CONFIG_CMD_SF
+
+		Defining this option enables SPI flash commands
+		'sf probe/read/write/erase/update'.
+
+		Usage requires an initial 'probe' to define the serial
+		flash parameters, followed by read/write/erase/update
+		commands.
+
+		The following defaults may be provided by the platform
+		to handle the common case when only a single serial
+		flash is present on the system.
+
+		CONFIG_SF_DEFAULT_BUS		Bus identifier
+		CONFIG_SF_DEFAULT_CS		Chip-select
+		CONFIG_SF_DEFAULT_MODE 		(see include/spi.h)
+		CONFIG_SF_DEFAULT_SPEED		in Hz
+
 - SystemACE Support:
 		CONFIG_SYSTEMACE