Re: [U-Boot] [PATCH V4 5/7] README: Add description of SPI Flash (SF) command configuration

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README | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/README b/README index f6ab85c..1a98915 100644 --- a/README +++ b/README @@ -800,6 +800,7 @@ 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
  

Why did you add the asterisk here ?

CONFIG_CMD_SHA1SUM	  print sha1 memory digest
			  (requires CONFIG_CMD_MEMORY)
CONFIG_CMD_SOURCE	  "source" command Support

@@ -2179,6 +2180,25 @@ 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